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Author SHA1 Message Date
Ivaylo Georgiev
cb4e55266e Merge android-4.19.110:wq(1984fff) into msm-4.19 
* refs/heads/tmp-1984fff:
  Revert "ANDROID: staging: android: ion: enable modularizing the ion driver"
  Revert "BACKPORT: sched/rt: Make RT capacity-aware"
  Revert "ANDROID: GKI: Add devm_thermal_of_virtual_sensor_register API."
  Linux 4.19.110
  KVM: SVM: fix up incorrect backport
  ANDROID: gki_defconfig: Enable USB_CONFIGFS_MASS_STORAGE
  UPSTREAM: arm64: memory: Add missing brackets to untagged_addr() macro
  UPSTREAM: mm: Avoid creating virtual address aliases in brk()/mmap()/mremap()
  ANDROID: Add TPM support and the vTPM proxy to Cuttlefish.
  Revert "ANDROID: tty: serdev: Fix broken serial console input"
  ANDROID: serdev: restrict claim of platform devices
  ANDROID: update the ABI xml representation
  ANDROID: GKI: add a USB TypeC vendor field for ABI compat
  UPSTREAM: usb: typec: mux: Switch to use fwnode_property_count_uXX()
  UPSTREAM: usb: typec: Make sure an alt mode exist before getting its partner
  UPSTREAM: usb: typec: Registering real device entries for the muxes
  UPSTREAM: usb: typec: mux: remove redundant check on variable match
  UPSTREAM: usb: typec: mux: Fix unsigned comparison with less than zero
  UPSTREAM: usb: typec: mux: Find the muxes by also matching against the device node
  UPSTREAM: usb: typec: Find the ports by also matching against the device node
  UPSTREAM: usb: typec: Rationalize the API for the muxes
  UPSTREAM: device property: Add helpers to count items in an array
  UPSTREAM: platform/x86: intel_cht_int33fe: Remove old style mux connections
  UPSTREAM: platform/x86: intel_cht_int33fe: Prepare for better mux naming scheme
  UPSTREAM: usb: typec: Prepare alt mode enter/exit reporting for UCSI alt mode support
  ANDROID: GKI: Update ABI
  ANDROID: GKI: drivers: of: Add API to find ddr device type
  UPSTREAM: Input: reset device timestamp on sync
  UPSTREAM: Input: allow drivers specify timestamp for input events
  ANDROID: GKI: usb: dwc3: Add USB_DR_MODE_DRD as dual role mode
  ANDROID: GKI: Add devm_thermal_of_virtual_sensor_register API.
  UPSTREAM: crypto: skcipher - Introduce crypto_sync_skcipher
  ANDROID: GKI: cfg80211: Add AP stopped interface
  UPSTREAM: device connection: Add fwnode member to struct device_connection
  FROMGIT: kallsyms: unexport kallsyms_lookup_name() and kallsyms_on_each_symbol()
  FROMGIT: samples/hw_breakpoint: drop use of kallsyms_lookup_name()
  FROMGIT: samples/hw_breakpoint: drop HW_BREAKPOINT_R when reporting writes
  UPSTREAM: fscrypt: don't evict dirty inodes after removing key
  ANDROID: gki_defconfig: Enable CONFIG_VM_EVENT_COUNTERS
  ANDROID: gki_defconfig: Enable CONFIG_CLEANCACHE
  ANDROID: Update ABI representation
  ANDROID: gki_defconfig: disable CONFIG_DEBUG_DEVRES
  Linux 4.19.109
  scsi: pm80xx: Fixed kernel panic during error recovery for SATA drive
  dm integrity: fix a deadlock due to offloading to an incorrect workqueue
  efi/x86: Handle by-ref arguments covering multiple pages in mixed mode
  efi/x86: Align GUIDs to their size in the mixed mode runtime wrapper
  powerpc: fix hardware PMU exception bug on PowerVM compatibility mode systems
  dmaengine: coh901318: Fix a double lock bug in dma_tc_handle()
  hwmon: (adt7462) Fix an error return in ADT7462_REG_VOLT()
  ARM: dts: imx7-colibri: Fix frequency for sd/mmc
  ARM: dts: am437x-idk-evm: Fix incorrect OPP node names
  ARM: imx: build v7_cpu_resume() unconditionally
  IB/hfi1, qib: Ensure RCU is locked when accessing list
  RMDA/cm: Fix missing ib_cm_destroy_id() in ib_cm_insert_listen()
  RDMA/iwcm: Fix iwcm work deallocation
  ARM: dts: imx6: phycore-som: fix emmc supply
  phy: mapphone-mdm6600: Fix write timeouts with shorter GPIO toggle interval
  phy: mapphone-mdm6600: Fix timeouts by adding wake-up handling
  drm/sun4i: de2/de3: Remove unsupported VI layer formats
  drm/sun4i: Fix DE2 VI layer format support
  ASoC: dapm: Correct DAPM handling of active widgets during shutdown
  ASoC: pcm512x: Fix unbalanced regulator enable call in probe error path
  ASoC: pcm: Fix possible buffer overflow in dpcm state sysfs output
  dmaengine: imx-sdma: remove dma_slave_config direction usage and leave sdma_event_enable()
  ASoC: intel: skl: Fix possible buffer overflow in debug outputs
  ASoC: intel: skl: Fix pin debug prints
  ASoC: topology: Fix memleak in soc_tplg_manifest_load()
  ASoC: topology: Fix memleak in soc_tplg_link_elems_load()
  spi: bcm63xx-hsspi: Really keep pll clk enabled
  ARM: dts: ls1021a: Restore MDIO compatible to gianfar
  dm writecache: verify watermark during resume
  dm: report suspended device during destroy
  dm cache: fix a crash due to incorrect work item cancelling
  dmaengine: tegra-apb: Prevent race conditions of tasklet vs free list
  dmaengine: tegra-apb: Fix use-after-free
  x86/pkeys: Manually set X86_FEATURE_OSPKE to preserve existing changes
  media: v4l2-mem2mem.c: fix broken links
  vt: selection, push sel_lock up
  vt: selection, push console lock down
  vt: selection, close sel_buffer race
  serial: 8250_exar: add support for ACCES cards
  tty:serial:mvebu-uart:fix a wrong return
  arm: dts: dra76x: Fix mmc3 max-frequency
  fat: fix uninit-memory access for partial initialized inode
  mm: fix possible PMD dirty bit lost in set_pmd_migration_entry()
  mm, numa: fix bad pmd by atomically check for pmd_trans_huge when marking page tables prot_numa
  vgacon: Fix a UAF in vgacon_invert_region
  usb: core: port: do error out if usb_autopm_get_interface() fails
  usb: core: hub: do error out if usb_autopm_get_interface() fails
  usb: core: hub: fix unhandled return by employing a void function
  usb: dwc3: gadget: Update chain bit correctly when using sg list
  usb: quirks: add NO_LPM quirk for Logitech Screen Share
  usb: storage: Add quirk for Samsung Fit flash
  cifs: don't leak -EAGAIN for stat() during reconnect
  ALSA: hda/realtek - Fix silent output on Gigabyte X570 Aorus Master
  ALSA: hda/realtek - Add Headset Mic supported
  net: thunderx: workaround BGX TX Underflow issue
  x86/xen: Distribute switch variables for initialization
  ice: Don't tell the OS that link is going down
  nvme: Fix uninitialized-variable warning
  s390/qdio: fill SL with absolute addresses
  x86/boot/compressed: Don't declare __force_order in kaslr_64.c
  s390: make 'install' not depend on vmlinux
  s390/cio: cio_ignore_proc_seq_next should increase position index
  watchdog: da9062: do not ping the hw during stop()
  net: ks8851-ml: Fix 16-bit IO operation
  net: ks8851-ml: Fix 16-bit data access
  net: ks8851-ml: Remove 8-bit bus accessors
  net: dsa: b53: Ensure the default VID is untagged
  selftests: forwarding: use proto icmp for {gretap, ip6gretap}_mac testing
  drm/msm/dsi/pll: call vco set rate explicitly
  drm/msm/dsi: save pll state before dsi host is powered off
  scsi: megaraid_sas: silence a warning
  drm: msm: Fix return type of dsi_mgr_connector_mode_valid for kCFI
  drm/msm/mdp5: rate limit pp done timeout warnings
  usb: gadget: serial: fix Tx stall after buffer overflow
  usb: gadget: ffs: ffs_aio_cancel(): Save/restore IRQ flags
  usb: gadget: composite: Support more than 500mA MaxPower
  selftests: fix too long argument
  serial: ar933x_uart: set UART_CS_{RX,TX}_READY_ORIDE
  ALSA: hda: do not override bus codec_mask in link_get()
  kprobes: Fix optimize_kprobe()/unoptimize_kprobe() cancellation logic
  RDMA/core: Fix use of logical OR in get_new_pps
  RDMA/core: Fix pkey and port assignment in get_new_pps
  net: dsa: bcm_sf2: Forcibly configure IMP port for 1Gb/sec
  ALSA: hda/realtek - Fix a regression for mute led on Lenovo Carbon X1
  EDAC/amd64: Set grain per DIMM
  ANDROID: Fix kernelci build-break for arm32
  ANDROID: enable CONFIG_WATCHDOG_CORE=y
  ANDROID: kbuild: align UNUSED_KSYMS_WHITELIST with upstream
  FROMLIST: f2fs: fix wrong check on F2FS_IOC_FSSETXATTR
  FROMGIT: driver core: Reevaluate dev->links.need_for_probe as suppliers are added
  FROMGIT: driver core: Call sync_state() even if supplier has no consumers
  FROMGIT: of: property: Add device link support for power-domains and hwlocks
  UPSTREAM: binder: prevent UAF for binderfs devices II
  UPSTREAM: binder: prevent UAF for binderfs devices
  ANDROID: GKI: enable PM_GENERIC_DOMAINS by default
  ANDROID: GKI: pci: framework: disable auto suspend link
  ANDROID: GKI: gpio: Add support for hierarchical IRQ domains
  ANDROID: GKI: of: property: Add device links support for pinctrl-[0-3]
  ANDROID: GKI: of: property: Ignore properties that start with "qcom,"
  ANDROID: GKI: of: property: Add support for parsing qcom,msm-bus,name property
  ANDROID: GKI: genirq: Export symbols to compile irqchip drivers as modules
  ANDROID: GKI: of: irq: add helper to remap interrupts to another irqdomain
  ANDROID: GKI: genirq/irqdomain: add export symbols for modularizing
  ANDROID: GKI: genirq: Introduce irq_chip_get/set_parent_state calls
  ANDROID: Update ABI representation
  ANDROID: arm64: gki_defconfig: disable CONFIG_ZONE_DMA32
  ANDROID: GKI: drivers: thermal: Fix ABI diff for struct thermal_cooling_device
  ANDROID: GKI: drivers: thermal: Indicate in DT the trips are for temperature falling
  ANDROID: Update ABI representation
  ANDROID: Update ABI whitelist for qcom SoCs
  ANDROID: gki_defconfig: enable CONFIG_TYPEC
  ANDROID: Fix kernelci build-break on !CONFIG_CMA builds
  ANDROID: GKI: mm: fix cma accounting in zone_watermark_ok
  ANDROID: CC_FLAGS_CFI add -fno-sanitize-blacklist
  FROMLIST: lib: test_stackinit.c: XFAIL switch variable init tests
  Linux 4.19.108
  audit: always check the netlink payload length in audit_receive_msg()
  mm, thp: fix defrag setting if newline is not used
  mm/huge_memory.c: use head to check huge zero page
  netfilter: nf_flowtable: fix documentation
  netfilter: nft_tunnel: no need to call htons() when dumping ports
  thermal: brcmstb_thermal: Do not use DT coefficients
  KVM: x86: Remove spurious clearing of async #PF MSR
  KVM: x86: Remove spurious kvm_mmu_unload() from vcpu destruction path
  perf hists browser: Restore ESC as "Zoom out" of DSO/thread/etc
  pwm: omap-dmtimer: put_device() after of_find_device_by_node()
  kprobes: Set unoptimized flag after unoptimizing code
  drivers: net: xgene: Fix the order of the arguments of 'alloc_etherdev_mqs()'
  perf stat: Fix shadow stats for clock events
  perf stat: Use perf_evsel__is_clocki() for clock events
  sched/fair: Fix O(nr_cgroups) in the load balancing path
  sched/fair: Optimize update_blocked_averages()
  KVM: Check for a bad hva before dropping into the ghc slow path
  KVM: SVM: Override default MMIO mask if memory encryption is enabled
  mwifiex: delete unused mwifiex_get_intf_num()
  mwifiex: drop most magic numbers from mwifiex_process_tdls_action_frame()
  namei: only return -ECHILD from follow_dotdot_rcu()
  net: ena: make ena rxfh support ETH_RSS_HASH_NO_CHANGE
  net/smc: no peer ID in CLC decline for SMCD
  net: atlantic: fix potential error handling
  net: atlantic: fix use after free kasan warn
  net: netlink: cap max groups which will be considered in netlink_bind()
  s390/qeth: vnicc Fix EOPNOTSUPP precedence
  usb: charger: assign specific number for enum value
  hv_netvsc: Fix unwanted wakeup in netvsc_attach()
  drm/i915/gvt: Separate display reset from ALL_ENGINES reset
  drm/i915/gvt: Fix orphan vgpu dmabuf_objs' lifetime
  i2c: jz4780: silence log flood on txabrt
  i2c: altera: Fix potential integer overflow
  MIPS: VPE: Fix a double free and a memory leak in 'release_vpe()'
  HID: hiddev: Fix race in in hiddev_disconnect()
  HID: alps: Fix an error handling path in 'alps_input_configured()'
  vhost: Check docket sk_family instead of call getname
  amdgpu/gmc_v9: save/restore sdpif regs during S3
  Revert "PM / devfreq: Modify the device name as devfreq(X) for sysfs"
  tracing: Disable trace_printk() on post poned tests
  macintosh: therm_windtunnel: fix regression when instantiating devices
  HID: core: increase HID report buffer size to 8KiB
  HID: core: fix off-by-one memset in hid_report_raw_event()
  HID: ite: Only bind to keyboard USB interface on Acer SW5-012 keyboard dock
  KVM: VMX: check descriptor table exits on instruction emulation
  ACPI: watchdog: Fix gas->access_width usage
  ACPICA: Introduce ACPI_ACCESS_BYTE_WIDTH() macro
  audit: fix error handling in audit_data_to_entry()
  ext4: potential crash on allocation error in ext4_alloc_flex_bg_array()
  net/tls: Fix to avoid gettig invalid tls record
  qede: Fix race between rdma destroy workqueue and link change event
  ipv6: Fix nlmsg_flags when splitting a multipath route
  ipv6: Fix route replacement with dev-only route
  sctp: move the format error check out of __sctp_sf_do_9_1_abort
  nfc: pn544: Fix occasional HW initialization failure
  net: sched: correct flower port blocking
  net: phy: restore mdio regs in the iproc mdio driver
  net: mscc: fix in frame extraction
  net: fib_rules: Correctly set table field when table number exceeds 8 bits
  sysrq: Remove duplicated sysrq message
  sysrq: Restore original console_loglevel when sysrq disabled
  cfg80211: add missing policy for NL80211_ATTR_STATUS_CODE
  cifs: Fix mode output in debugging statements
  net: ena: ena-com.c: prevent NULL pointer dereference
  net: ena: ethtool: use correct value for crc32 hash
  net: ena: fix incorrectly saving queue numbers when setting RSS indirection table
  net: ena: rss: store hash function as values and not bits
  net: ena: rss: fix failure to get indirection table
  net: ena: fix incorrect default RSS key
  net: ena: add missing ethtool TX timestamping indication
  net: ena: fix uses of round_jiffies()
  net: ena: fix potential crash when rxfh key is NULL
  soc/tegra: fuse: Fix build with Tegra194 configuration
  ARM: dts: sti: fixup sound frame-inversion for stihxxx-b2120.dtsi
  qmi_wwan: unconditionally reject 2 ep interfaces
  qmi_wwan: re-add DW5821e pre-production variant
  s390/zcrypt: fix card and queue total counter wrap
  cfg80211: check wiphy driver existence for drvinfo report
  mac80211: consider more elements in parsing CRC
  dax: pass NOWAIT flag to iomap_apply
  drm/msm: Set dma maximum segment size for mdss
  ipmi:ssif: Handle a possible NULL pointer reference
  iwlwifi: pcie: fix rb_allocator workqueue allocation
  irqchip/gic-v3-its: Fix misuse of GENMASK macro
  ANDROID: Update ABI representation
  ANDROID: abi_gki_aarch64_whitelist: add module_layout and task_struct
  ANDROID: gki_defconfig: disable KPROBES, update ABI
  ANDROID: GKI: mm: add cma pcp list
  ANDROID: GKI: cma: redirect page allocation to CMA
  BACKPORT: mm, compaction: be selective about what pageblocks to clear skip hints
  BACKPORT: mm: reclaim small amounts of memory when an external fragmentation event occurs
  BACKPORT: mm: move zone watermark accesses behind an accessor
  UPSTREAM: mm: use alloc_flags to record if kswapd can wake
  UPSTREAM: mm, page_alloc: spread allocations across zones before introducing fragmentation
  ANDROID: GKI: update abi for ufshcd changes
  ANDROID: Unconditionally create bridge tracepoints
  ANDROID: gki_defconfig: Enable MFD_SYSCON on x86
  ANDROID: scsi: ufs: allow ufs variants to override sg entry size
  ANDROID: Re-add default y for VIRTIO_PCI_LEGACY
  ANDROID: GKI: build in HVC_DRIVER
  ANDROID: Removed default m for virtual sw crypto device
  ANDROID: Remove default y on BRIDGE_IGMP_SNOOPING
  ANDROID: GKI: Added missing SND configs
  FROMLIST: ufs: fix a bug on printing PRDT
  UPSTREAM: sched/uclamp: Reject negative values in cpu_uclamp_write()
  ANDROID: gki_defconfig: Disable CONFIG_RT_GROUP_SCHED
  ANDROID: GKI: Remove CONFIG_BRIDGE from arm64 config
  ANDROID: Add ABI Whitelist for qcom
  ANDROID: Enable HID_NINTENDO as y
  FROMLIST: HID: nintendo: add nintendo switch controller driver
  UPSTREAM: regulator/of_get_regulator: add child path to find the regulator supplier
  ANDROID: gki_defconfig: Remove 'BRIDGE_NETFILTER is not set'
  BACKPORT: net: disable BRIDGE_NETFILTER by default
  ANDROID: kbuild: fix UNUSED_KSYMS_WHITELIST backport
  Linux 4.19.107
  Revert "char/random: silence a lockdep splat with printk()"
  s390/mm: Explicitly compare PAGE_DEFAULT_KEY against zero in storage_key_init_range
  xen: Enable interrupts when calling _cond_resched()
  ata: ahci: Add shutdown to freeze hardware resources of ahci
  rxrpc: Fix call RCU cleanup using non-bh-safe locks
  netfilter: xt_hashlimit: limit the max size of hashtable
  ALSA: seq: Fix concurrent access to queue current tick/time
  ALSA: seq: Avoid concurrent access to queue flags
  ALSA: rawmidi: Avoid bit fields for state flags
  bpf, offload: Replace bitwise AND by logical AND in bpf_prog_offload_info_fill
  genirq/proc: Reject invalid affinity masks (again)
  iommu/vt-d: Fix compile warning from intel-svm.h
  ecryptfs: replace BUG_ON with error handling code
  staging: greybus: use after free in gb_audio_manager_remove_all()
  staging: rtl8723bs: fix copy of overlapping memory
  usb: dwc2: Fix in ISOC request length checking
  usb: gadget: composite: Fix bMaxPower for SuperSpeedPlus
  scsi: Revert "target: iscsi: Wait for all commands to finish before freeing a session"
  scsi: Revert "RDMA/isert: Fix a recently introduced regression related to logout"
  Revert "dmaengine: imx-sdma: Fix memory leak"
  Btrfs: fix btrfs_wait_ordered_range() so that it waits for all ordered extents
  btrfs: do not check delayed items are empty for single transaction cleanup
  btrfs: reset fs_root to NULL on error in open_ctree
  btrfs: fix bytes_may_use underflow in prealloc error condtition
  KVM: apic: avoid calculating pending eoi from an uninitialized val
  KVM: nVMX: handle nested posted interrupts when apicv is disabled for L1
  KVM: nVMX: Check IO instruction VM-exit conditions
  KVM: nVMX: Refactor IO bitmap checks into helper function
  ext4: fix race between writepages and enabling EXT4_EXTENTS_FL
  ext4: rename s_journal_flag_rwsem to s_writepages_rwsem
  ext4: fix mount failure with quota configured as module
  ext4: fix potential race between s_flex_groups online resizing and access
  ext4: fix potential race between s_group_info online resizing and access
  ext4: fix potential race between online resizing and write operations
  ext4: add cond_resched() to __ext4_find_entry()
  ext4: fix a data race in EXT4_I(inode)->i_disksize
  drm/nouveau/kms/gv100-: Re-set LUT after clearing for modesets
  lib/stackdepot.c: fix global out-of-bounds in stack_slabs
  tty: serial: qcom_geni_serial: Fix RX cancel command failure
  tty: serial: qcom_geni_serial: Remove xfer_mode variable
  tty: serial: qcom_geni_serial: Remove set_rfr_wm() and related variables
  tty: serial: qcom_geni_serial: Remove use of *_relaxed() and mb()
  tty: serial: qcom_geni_serial: Remove interrupt storm
  tty: serial: qcom_geni_serial: Fix UART hang
  KVM: x86: don't notify userspace IOAPIC on edge-triggered interrupt EOI
  KVM: nVMX: Don't emulate instructions in guest mode
  xhci: apply XHCI_PME_STUCK_QUIRK to Intel Comet Lake platforms
  drm/amdgpu/soc15: fix xclk for raven
  mm/vmscan.c: don't round up scan size for online memory cgroup
  genirq/irqdomain: Make sure all irq domain flags are distinct
  nvme-multipath: Fix memory leak with ana_log_buf
  mm/memcontrol.c: lost css_put in memcg_expand_shrinker_maps()
  Revert "ipc,sem: remove uneeded sem_undo_list lock usage in exit_sem()"
  MAINTAINERS: Update drm/i915 bug filing URL
  serdev: ttyport: restore client ops on deregistration
  tty: serial: imx: setup the correct sg entry for tx dma
  tty/serial: atmel: manage shutdown in case of RS485 or ISO7816 mode
  serial: 8250: Check UPF_IRQ_SHARED in advance
  x86/cpu/amd: Enable the fixed Instructions Retired counter IRPERF
  x86/mce/amd: Fix kobject lifetime
  x86/mce/amd: Publish the bank pointer only after setup has succeeded
  jbd2: fix ocfs2 corrupt when clearing block group bits
  powerpc/tm: Fix clearing MSR[TS] in current when reclaiming on signal delivery
  staging: rtl8723bs: Fix potential overuse of kernel memory
  staging: rtl8723bs: Fix potential security hole
  staging: rtl8188eu: Fix potential overuse of kernel memory
  staging: rtl8188eu: Fix potential security hole
  usb: dwc3: gadget: Check for IOC/LST bit in TRB->ctrl fields
  usb: dwc2: Fix SET/CLEAR_FEATURE and GET_STATUS flows
  USB: hub: Fix the broken detection of USB3 device in SMSC hub
  USB: hub: Don't record a connect-change event during reset-resume
  USB: Fix novation SourceControl XL after suspend
  usb: uas: fix a plug & unplug racing
  USB: quirks: blacklist duplicate ep on Sound Devices USBPre2
  USB: core: add endpoint-blacklist quirk
  usb: host: xhci: update event ring dequeue pointer on purpose
  xhci: Fix memory leak when caching protocol extended capability PSI tables - take 2
  xhci: fix runtime pm enabling for quirky Intel hosts
  xhci: Force Maximum Packet size for Full-speed bulk devices to valid range.
  staging: vt6656: fix sign of rx_dbm to bb_pre_ed_rssi.
  staging: android: ashmem: Disallow ashmem memory from being remapped
  vt: vt_ioctl: fix race in VT_RESIZEX
  vt: selection, handle pending signals in paste_selection
  vt: fix scrollback flushing on background consoles
  floppy: check FDC index for errors before assigning it
  USB: misc: iowarrior: add support for the 100 device
  USB: misc: iowarrior: add support for the 28 and 28L devices
  USB: misc: iowarrior: add support for 2 OEMed devices
  thunderbolt: Prevent crash if non-active NVMem file is read
  ecryptfs: fix a memory leak bug in ecryptfs_init_messaging()
  ecryptfs: fix a memory leak bug in parse_tag_1_packet()
  ASoC: sun8i-codec: Fix setting DAI data format
  ALSA: hda/realtek - Apply quirk for yet another MSI laptop
  ALSA: hda/realtek - Apply quirk for MSI GP63, too
  ALSA: hda: Use scnprintf() for printing texts for sysfs/procfs
  iommu/qcom: Fix bogus detach logic
  UPSTREAM: sched/psi: Fix OOB write when writing 0 bytes to PSI files
  UPSTREAM: psi: Fix a division error in psi poll()
  UPSTREAM: sched/psi: Fix sampling error and rare div0 crashes with cgroups and high uptime
  UPSTREAM: sched/psi: Correct overly pessimistic size calculation
  ANDROID: build.config.gki.aarch64: enable symbol trimming
  FROMLIST: f2fs: Handle casefolding with Encryption
  FROMLIST: fscrypt: Have filesystems handle their d_ops
  FROMLIST: ext4: Use generic casefolding support
  FROMLIST: f2fs: Use generic casefolding support
  FROMLIST: Add standard casefolding support
  FROMLIST: unicode: Add utf8_casefold_hash
  ANDROID: sdcardfs: fix -ENOENT lookup race issue
  ANDROID: gki_defconfig: Enable CONFIG_RD_LZ4
  ANDROID: gki: Enable BINFMT_MISC as part of GKI
  ANDROID: gki_defconfig: disable CONFIG_CRYPTO_MD4
  ANDROID: dm: Add wrapped key support in dm-default-key
  ANDROID: dm: add support for passing through derive_raw_secret
  ANDROID: block: Prevent crypto fallback for wrapped keys
  BACKPORT: FROMLIST: kbuild: generate autoksyms.h early
  BACKPORT: FROMLIST: kbuild: split adjust_autoksyms.sh in two parts
  BACKPORT: FROMLIST: kbuild: allow symbol whitelisting with TRIM_UNUSED_KSYMS
  ANDROID: kbuild: use modules.order in adjust_autoksyms.sh
  UPSTREAM: kbuild: source include/config/auto.conf instead of ${KCONFIG_CONFIG}
  ANDROID: Disable wq fp check in CFI builds
  ANDROID: increase limit on sched-tune boost groups
  BACKPORT: nvmem: core: fix regression in of_nvmem_cell_get()
  BACKPORT: nvmem: hide unused nvmem_find_cell_by_index function
  BACKPORT: nvmem: resolve cells from DT at registration time
  Linux 4.19.106
  drm/amdgpu/display: handle multiple numbers of fclks in dcn_calcs.c (v2)
  mlxsw: spectrum_dpipe: Add missing error path
  virtio_balloon: prevent pfn array overflow
  cifs: log warning message (once) if out of disk space
  help_next should increase position index
  NFS: Fix memory leaks
  drm/amdgpu/smu10: fix smu10_get_clock_by_type_with_voltage
  drm/amdgpu/smu10: fix smu10_get_clock_by_type_with_latency
  brd: check and limit max_part par
  microblaze: Prevent the overflow of the start
  iwlwifi: mvm: Fix thermal zone registration
  irqchip/gic-v3-its: Reference to its_invall_cmd descriptor when building INVALL
  bcache: explicity type cast in bset_bkey_last()
  reiserfs: prevent NULL pointer dereference in reiserfs_insert_item()
  lib/scatterlist.c: adjust indentation in __sg_alloc_table
  ocfs2: fix a NULL pointer dereference when call ocfs2_update_inode_fsync_trans()
  radeon: insert 10ms sleep in dce5_crtc_load_lut
  trigger_next should increase position index
  ftrace: fpid_next() should increase position index
  drm/nouveau/disp/nv50-: prevent oops when no channel method map provided
  irqchip/gic-v3: Only provision redistributors that are enabled in ACPI
  rbd: work around -Wuninitialized warning
  ceph: check availability of mds cluster on mount after wait timeout
  bpf: map_seq_next should always increase position index
  cifs: fix NULL dereference in match_prepath
  iwlegacy: ensure loop counter addr does not wrap and cause an infinite loop
  hostap: Adjust indentation in prism2_hostapd_add_sta
  ARM: 8951/1: Fix Kexec compilation issue.
  jbd2: make sure ESHUTDOWN to be recorded in the journal superblock
  jbd2: switch to use jbd2_journal_abort() when failed to submit the commit record
  selftests: bpf: Reset global state between reuseport test runs
  iommu/vt-d: Remove unnecessary WARN_ON_ONCE()
  bcache: cached_dev_free needs to put the sb page
  powerpc/sriov: Remove VF eeh_dev state when disabling SR-IOV
  drm/nouveau/mmu: fix comptag memory leak
  ALSA: hda - Add docking station support for Lenovo Thinkpad T420s
  driver core: platform: fix u32 greater or equal to zero comparison
  s390/ftrace: generate traced function stack frame
  s390: adjust -mpacked-stack support check for clang 10
  x86/decoder: Add TEST opcode to Group3-2
  kbuild: use -S instead of -E for precise cc-option test in Kconfig
  ALSA: hda/hdmi - add retry logic to parse_intel_hdmi()
  irqchip/mbigen: Set driver .suppress_bind_attrs to avoid remove problems
  remoteproc: Initialize rproc_class before use
  module: avoid setting info->name early in case we can fall back to info->mod->name
  btrfs: device stats, log when stats are zeroed
  btrfs: safely advance counter when looking up bio csums
  btrfs: fix possible NULL-pointer dereference in integrity checks
  pwm: Remove set but not set variable 'pwm'
  ide: serverworks: potential overflow in svwks_set_pio_mode()
  cmd64x: potential buffer overflow in cmd64x_program_timings()
  pwm: omap-dmtimer: Remove PWM chip in .remove before making it unfunctional
  x86/mm: Fix NX bit clearing issue in kernel_map_pages_in_pgd
  f2fs: fix memleak of kobject
  watchdog/softlockup: Enforce that timestamp is valid on boot
  drm/amd/display: fixup DML dependencies
  arm64: fix alternatives with LLVM's integrated assembler
  scsi: iscsi: Don't destroy session if there are outstanding connections
  f2fs: free sysfs kobject
  f2fs: set I_LINKABLE early to avoid wrong access by vfs
  iommu/arm-smmu-v3: Use WRITE_ONCE() when changing validity of an STE
  usb: musb: omap2430: Get rid of musb .set_vbus for omap2430 glue
  drm/vmwgfx: prevent memory leak in vmw_cmdbuf_res_add
  drm/nouveau/fault/gv100-: fix memory leak on module unload
  drm/nouveau/drm/ttm: Remove set but not used variable 'mem'
  drm/nouveau: Fix copy-paste error in nouveau_fence_wait_uevent_handler
  drm/nouveau/gr/gk20a,gm200-: add terminators to method lists read from fw
  drm/nouveau/secboot/gm20b: initialize pointer in gm20b_secboot_new()
  vme: bridges: reduce stack usage
  bpf: Return -EBADRQC for invalid map type in __bpf_tx_xdp_map
  driver core: Print device when resources present in really_probe()
  driver core: platform: Prevent resouce overflow from causing infinite loops
  visorbus: fix uninitialized variable access
  tty: synclink_gt: Adjust indentation in several functions
  tty: synclinkmp: Adjust indentation in several functions
  ASoC: atmel: fix build error with CONFIG_SND_ATMEL_SOC_DMA=m
  wan: ixp4xx_hss: fix compile-testing on 64-bit
  x86/nmi: Remove irq_work from the long duration NMI handler
  Input: edt-ft5x06 - work around first register access error
  rcu: Use WRITE_ONCE() for assignments to ->pprev for hlist_nulls
  efi/x86: Don't panic or BUG() on non-critical error conditions
  soc/tegra: fuse: Correct straps' address for older Tegra124 device trees
  IB/hfi1: Add software counter for ctxt0 seq drop
  staging: rtl8188: avoid excessive stack usage
  udf: Fix free space reporting for metadata and virtual partitions
  usbip: Fix unsafe unaligned pointer usage
  ARM: dts: stm32: Add power-supply for DSI panel on stm32f469-disco
  drm: remove the newline for CRC source name.
  mlx5: work around high stack usage with gcc
  ACPI: button: Add DMI quirk for Razer Blade Stealth 13 late 2019 lid switch
  tools lib api fs: Fix gcc9 stringop-truncation compilation error
  ALSA: sh: Fix compile warning wrt const
  clk: uniphier: Add SCSSI clock gate for each channel
  ALSA: sh: Fix unused variable warnings
  clk: sunxi-ng: add mux and pll notifiers for A64 CPU clock
  RDMA/rxe: Fix error type of mmap_offset
  reset: uniphier: Add SCSSI reset control for each channel
  pinctrl: sh-pfc: sh7269: Fix CAN function GPIOs
  PM / devfreq: rk3399_dmc: Add COMPILE_TEST and HAVE_ARM_SMCCC dependency
  x86/vdso: Provide missing include file
  crypto: chtls - Fixed memory leak
  dmaengine: imx-sdma: Fix memory leak
  dmaengine: Store module owner in dma_device struct
  selinux: ensure we cleanup the internal AVC counters on error in avc_update()
  ARM: dts: r8a7779: Add device node for ARM global timer
  drm/mediatek: handle events when enabling/disabling crtc
  scsi: aic7xxx: Adjust indentation in ahc_find_syncrate
  scsi: ufs: Complete pending requests in host reset and restore path
  ACPICA: Disassembler: create buffer fields in ACPI_PARSE_LOAD_PASS1
  orinoco: avoid assertion in case of NULL pointer
  rtlwifi: rtl_pci: Fix -Wcast-function-type
  iwlegacy: Fix -Wcast-function-type
  ipw2x00: Fix -Wcast-function-type
  b43legacy: Fix -Wcast-function-type
  ALSA: usx2y: Adjust indentation in snd_usX2Y_hwdep_dsp_status
  netfilter: nft_tunnel: add the missing ERSPAN_VERSION nla_policy
  fore200e: Fix incorrect checks of NULL pointer dereference
  r8169: check that Realtek PHY driver module is loaded
  reiserfs: Fix spurious unlock in reiserfs_fill_super() error handling
  media: v4l2-device.h: Explicitly compare grp{id,mask} to zero in v4l2_device macros
  PCI: Increase D3 delay for AMD Ryzen5/7 XHCI controllers
  PCI: Add generic quirk for increasing D3hot delay
  media: cx23885: Add support for AVerMedia CE310B
  PCI: iproc: Apply quirk_paxc_bridge() for module as well as built-in
  ARM: dts: imx6: rdu2: Limit USBH1 to Full Speed
  ARM: dts: imx6: rdu2: Disable WP for USDHC2 and USDHC3
  arm64: dts: qcom: msm8996: Disable USB2 PHY suspend by core
  selinux: ensure we cleanup the internal AVC counters on error in avc_insert()
  arm: dts: allwinner: H3: Add PMU node
  arm64: dts: allwinner: H6: Add PMU mode
  selinux: fall back to ref-walk if audit is required
  NFC: port100: Convert cpu_to_le16(le16_to_cpu(E1) + E2) to use le16_add_cpu().
  net/wan/fsl_ucc_hdlc: reject muram offsets above 64K
  regulator: rk808: Lower log level on optional GPIOs being not available
  drm/amdgpu: Ensure ret is always initialized when using SOC15_WAIT_ON_RREG
  drm/amdgpu: remove 4 set but not used variable in amdgpu_atombios_get_connector_info_from_object_table
  clk: qcom: rcg2: Don't crash if our parent can't be found; return an error
  kconfig: fix broken dependency in randconfig-generated .config
  KVM: s390: ENOTSUPP -> EOPNOTSUPP fixups
  nbd: add a flush_workqueue in nbd_start_device
  drm/amd/display: Retrain dongles when SINK_COUNT becomes non-zero
  ath10k: Correct the DMA direction for management tx buffers
  ext4, jbd2: ensure panic when aborting with zero errno
  ARM: 8952/1: Disable kmemleak on XIP kernels
  tracing: Fix very unlikely race of registering two stat tracers
  tracing: Fix tracing_stat return values in error handling paths
  powerpc/iov: Move VF pdev fixup into pcibios_fixup_iov()
  s390/pci: Fix possible deadlock in recover_store()
  pwm: omap-dmtimer: Simplify error handling
  x86/sysfb: Fix check for bad VRAM size
  jbd2: clear JBD2_ABORT flag before journal_reset to update log tail info when load journal
  kselftest: Minimise dependency of get_size on C library interfaces
  clocksource/drivers/bcm2835_timer: Fix memory leak of timer
  usb: dwc2: Fix IN FIFO allocation
  usb: gadget: udc: fix possible sleep-in-atomic-context bugs in gr_probe()
  uio: fix a sleep-in-atomic-context bug in uio_dmem_genirq_irqcontrol()
  sparc: Add .exit.data section.
  MIPS: Loongson: Fix potential NULL dereference in loongson3_platform_init()
  efi/x86: Map the entire EFI vendor string before copying it
  pinctrl: baytrail: Do not clear IRQ flags on direct-irq enabled pins
  media: sti: bdisp: fix a possible sleep-in-atomic-context bug in bdisp_device_run()
  char/random: silence a lockdep splat with printk()
  iommu/vt-d: Fix off-by-one in PASID allocation
  gpio: gpio-grgpio: fix possible sleep-in-atomic-context bugs in grgpio_irq_map/unmap()
  powerpc/powernv/iov: Ensure the pdn for VFs always contains a valid PE number
  media: i2c: mt9v032: fix enum mbus codes and frame sizes
  pxa168fb: Fix the function used to release some memory in an error handling path
  pinctrl: sh-pfc: sh7264: Fix CAN function GPIOs
  gianfar: Fix TX timestamping with a stacked DSA driver
  ALSA: ctl: allow TLV read operation for callback type of element in locked case
  ext4: fix ext4_dax_read/write inode locking sequence for IOCB_NOWAIT
  leds: pca963x: Fix open-drain initialization
  brcmfmac: Fix use after free in brcmf_sdio_readframes()
  cpu/hotplug, stop_machine: Fix stop_machine vs hotplug order
  drm/gma500: Fixup fbdev stolen size usage evaluation
  KVM: nVMX: Use correct root level for nested EPT shadow page tables
  Revert "KVM: VMX: Add non-canonical check on writes to RTIT address MSRs"
  Revert "KVM: nVMX: Use correct root level for nested EPT shadow page tables"
  net/sched: flower: add missing validation of TCA_FLOWER_FLAGS
  net/sched: matchall: add missing validation of TCA_MATCHALL_FLAGS
  net: dsa: tag_qca: Make sure there is headroom for tag
  net/smc: fix leak of kernel memory to user space
  enic: prevent waking up stopped tx queues over watchdog reset
  core: Don't skip generic XDP program execution for cloned SKBs
  ANDROID: arm64: update the abi with the new gki_defconfig
  ANDROID: arm64: gki_defconfig: disable CONFIG_DEBUG_PREEMPT
  ANDROID: GKI: arm64: gki_defconfig: follow-up to removing DRM_MSM driver
  ANDROID: drm/msm: Remove Kconfig default
  ANDROID: GKI: arm64: gki_defconfig: remove qcom,cmd-db driver
  ANDROID: GKI: drivers: qcom: cmd-db: Allow compiling qcom,cmd-db driver as module
  ANDROID: GKI: arm64: gki_defconfig: remove qcom,rpmh-rsc driver
  ANDROID: GKI: drivers: qcom: rpmh-rsc: Add tristate support for qcom,rpmh-rsc driver
  ANDROID: ufs, block: fix crypto power management and move into block layer
  ANDROID: rtc: class: support hctosys from modular RTC drivers
  ANDROID: Incremental fs: Support xattrs
  ANDROID: abi update for 4.19.105
  UPSTREAM: random: ignore GRND_RANDOM in getentropy(2)
  UPSTREAM: random: add GRND_INSECURE to return best-effort non-cryptographic bytes
  UPSTREAM: linux/random.h: Mark CONFIG_ARCH_RANDOM functions __must_check
  UPSTREAM: linux/random.h: Use false with bool
  UPSTREAM: linux/random.h: Remove arch_has_random, arch_has_random_seed
  UPSTREAM: random: remove some dead code of poolinfo
  UPSTREAM: random: fix typo in add_timer_randomness()
  UPSTREAM: random: Add and use pr_fmt()
  UPSTREAM: random: convert to ENTROPY_BITS for better code readability
  UPSTREAM: random: remove unnecessary unlikely()
  UPSTREAM: random: remove kernel.random.read_wakeup_threshold
  UPSTREAM: random: delete code to pull data into pools
  UPSTREAM: random: remove the blocking pool
  UPSTREAM: random: make /dev/random be almost like /dev/urandom
  UPSTREAM: random: Add a urandom_read_nowait() for random APIs that don't warn
  UPSTREAM: random: Don't wake crng_init_wait when crng_init == 1
  UPSTREAM: char/random: silence a lockdep splat with printk()
  BACKPORT: fdt: add support for rng-seed
  BACKPORT: arm64: map FDT as RW for early_init_dt_scan()
  UPSTREAM: random: fix soft lockup when trying to read from an uninitialized blocking pool
  UPSTREAM: random: document get_random_int() family
  UPSTREAM: random: move rand_initialize() earlier
  UPSTREAM: random: only read from /dev/random after its pool has received 128 bits
  UPSTREAM: drivers/char/random.c: make primary_crng static
  UPSTREAM: drivers/char/random.c: remove unused stuct poolinfo::poolbits
  UPSTREAM: drivers/char/random.c: constify poolinfo_table
  ANDROID: clang: update to 10.0.4
  Linux 4.19.105
  KVM: x86/mmu: Fix struct guest_walker arrays for 5-level paging
  jbd2: do not clear the BH_Mapped flag when forgetting a metadata buffer
  jbd2: move the clearing of b_modified flag to the journal_unmap_buffer()
  NFSv4.1 make cachethis=no for writes
  hwmon: (pmbus/ltc2978) Fix PMBus polling of MFR_COMMON definitions.
  perf/x86/intel: Fix inaccurate period in context switch for auto-reload
  s390/time: Fix clk type in get_tod_clock
  RDMA/core: Fix protection fault in get_pkey_idx_qp_list
  RDMA/rxe: Fix soft lockup problem due to using tasklets in softirq
  RDMA/hfi1: Fix memory leak in _dev_comp_vect_mappings_create
  RDMA/core: Fix invalid memory access in spec_filter_size
  IB/rdmavt: Reset all QPs when the device is shut down
  IB/hfi1: Close window for pq and request coliding
  IB/hfi1: Acquire lock to release TID entries when user file is closed
  nvme: fix the parameter order for nvme_get_log in nvme_get_fw_slot_info
  perf/x86/amd: Add missing L2 misses event spec to AMD Family 17h's event map
  KVM: nVMX: Use correct root level for nested EPT shadow page tables
  arm64: ssbs: Fix context-switch when SSBS is present on all CPUs
  ARM: npcm: Bring back GPIOLIB support
  btrfs: log message when rw remount is attempted with unclean tree-log
  btrfs: print message when tree-log replay starts
  btrfs: ref-verify: fix memory leaks
  Btrfs: fix race between using extent maps and merging them
  ext4: improve explanation of a mount failure caused by a misconfigured kernel
  ext4: add cond_resched() to ext4_protect_reserved_inode
  ext4: fix checksum errors with indexed dirs
  ext4: fix support for inode sizes > 1024 bytes
  ext4: don't assume that mmp_nodename/bdevname have NUL
  ALSA: usb-audio: Add clock validity quirk for Denon MC7000/MCX8000
  ALSA: usb-audio: sound: usb: usb true/false for bool return type
  arm64: nofpsmid: Handle TIF_FOREIGN_FPSTATE flag cleanly
  arm64: cpufeature: Set the FP/SIMD compat HWCAP bits properly
  ALSA: usb-audio: Apply sample rate quirk for Audioengine D1
  ALSA: hda/realtek - Fix silent output on MSI-GL73
  ALSA: usb-audio: Fix UAC2/3 effect unit parsing
  Input: synaptics - remove the LEN0049 dmi id from topbuttonpad list
  Input: synaptics - enable SMBus on ThinkPad L470
  Input: synaptics - switch T470s to RMI4 by default
  ANDROID: Fix ABI representation after enabling CONFIG_NET_NS
  ANDROID: gki_defconfig: Enable CONFIG_NET_NS
  ANDROID: gki_defconfig: Enable XDP_SOCKETS
  UPSTREAM: sched/topology: Introduce a sysctl for Energy Aware Scheduling
  ANDROID: gki_defconfig: Enable MAC80211_RC_MINSTREL
  ANDROID: f2fs: remove unused function
  ANDROID: virtio: virtio_input: pass _DIRECT only if the device advertises _DIRECT
  ANDROID: cf build: Use merge_configs
  ANDROID: net: bpf: Allow TC programs to call BPF_FUNC_skb_change_head
  ANDROID: gki_defconfig: Disable SDCARD_FS
  Linux 4.19.104
  padata: fix null pointer deref of pd->pinst
  serial: uartps: Move the spinlock after the read of the tx empty
  x86/stackframe, x86/ftrace: Add pt_regs frame annotations
  x86/stackframe: Move ENCODE_FRAME_POINTER to asm/frame.h
  scsi: megaraid_sas: Do not initiate OCR if controller is not in ready state
  libertas: make lbs_ibss_join_existing() return error code on rates overflow
  libertas: don't exit from lbs_ibss_join_existing() with RCU read lock held
  mwifiex: Fix possible buffer overflows in mwifiex_cmd_append_vsie_tlv()
  mwifiex: Fix possible buffer overflows in mwifiex_ret_wmm_get_status()
  pinctrl: sh-pfc: r8a7778: Fix duplicate SDSELF_B and SD1_CLK_B
  media: i2c: adv748x: Fix unsafe macros
  crypto: atmel-sha - fix error handling when setting hmac key
  crypto: artpec6 - return correct error code for failed setkey()
  mtd: sharpslpart: Fix unsigned comparison to zero
  mtd: onenand_base: Adjust indentation in onenand_read_ops_nolock
  KVM: arm64: pmu: Don't increment SW_INCR if PMCR.E is unset
  KVM: arm: Make inject_abt32() inject an external abort instead
  KVM: arm: Fix DFSR setting for non-LPAE aarch32 guests
  KVM: arm/arm64: Fix young bit from mmu notifier
  arm64: ptrace: nofpsimd: Fail FP/SIMD regset operations
  arm64: cpufeature: Fix the type of no FP/SIMD capability
  ARM: 8949/1: mm: mark free_memmap as __init
  KVM: arm/arm64: vgic-its: Fix restoration of unmapped collections
  iommu/arm-smmu-v3: Populate VMID field for CMDQ_OP_TLBI_NH_VA
  powerpc/pseries: Allow not having ibm, hypertas-functions::hcall-multi-tce for DDW
  powerpc/pseries/vio: Fix iommu_table use-after-free refcount warning
  tools/power/acpi: fix compilation error
  ARM: dts: at91: sama5d3: define clock rate range for tcb1
  ARM: dts: at91: sama5d3: fix maximum peripheral clock rates
  ARM: dts: am43xx: add support for clkout1 clock
  ARM: dts: at91: Reenable UART TX pull-ups
  platform/x86: intel_mid_powerbtn: Take a copy of ddata
  ARC: [plat-axs10x]: Add missing multicast filter number to GMAC node
  rtc: cmos: Stop using shared IRQ
  rtc: hym8563: Return -EINVAL if the time is known to be invalid
  spi: spi-mem: Fix inverted logic in op sanity check
  spi: spi-mem: Add extra sanity checks on the op param
  gpio: zynq: Report gpio direction at boot
  serial: uartps: Add a timeout to the tx empty wait
  NFSv4: try lease recovery on NFS4ERR_EXPIRED
  NFS/pnfs: Fix pnfs_generic_prepare_to_resend_writes()
  NFS: Revalidate the file size on a fatal write error
  nfs: NFS_SWAP should depend on SWAP
  PCI: Don't disable bridge BARs when assigning bus resources
  PCI/switchtec: Fix vep_vector_number ioread width
  ath10k: pci: Only dump ATH10K_MEM_REGION_TYPE_IOREG when safe
  PCI/IOV: Fix memory leak in pci_iov_add_virtfn()
  scsi: ufs: Fix ufshcd_probe_hba() reture value in case ufshcd_scsi_add_wlus() fails
  RDMA/uverbs: Verify MR access flags
  RDMA/core: Fix locking in ib_uverbs_event_read
  RDMA/netlink: Do not always generate an ACK for some netlink operations
  IB/mlx4: Fix memory leak in add_gid error flow
  hv_sock: Remove the accept port restriction
  ASoC: pcm: update FE/BE trigger order based on the command
  ANDROID: gki_defconfig: Add CONFIG_UNICODE
  ANDROID: added memory initialization tests to cuttlefish config
  ANDROID: gki_defconfig: enable CONFIG_RUNTIME_TESTING_MENU
  fs-verity: use u64_to_user_ptr()
  fs-verity: use mempool for hash requests
  fs-verity: implement readahead of Merkle tree pages
  fs-verity: implement readahead for FS_IOC_ENABLE_VERITY
  fscrypt: improve format of no-key names
  ubifs: allow both hash and disk name to be provided in no-key names
  ubifs: don't trigger assertion on invalid no-key filename
  fscrypt: clarify what is meant by a per-file key
  fscrypt: derive dirhash key for casefolded directories
  fscrypt: don't allow v1 policies with casefolding
  fscrypt: add "fscrypt_" prefix to fname_encrypt()
  fscrypt: don't print name of busy file when removing key
  fscrypt: document gfp_flags for bounce page allocation
  fscrypt: optimize fscrypt_zeroout_range()
  fscrypt: remove redundant bi_status check
  fscrypt: Allow modular crypto algorithms
  FROMLIST: rename missed uaccess .fixup section
  ANDROID: f2fs: fix missing blk-crypto changes
  ANDROID: gki_defconfig: enable heap and stack initialization.
  UPSTREAM: lib/test_stackinit: Handle Clang auto-initialization pattern
  UPSTREAM: lib: Introduce test_stackinit module
  fscrypt: include <linux/ioctl.h> in UAPI header
  fscrypt: don't check for ENOKEY from fscrypt_get_encryption_info()
  fscrypt: remove fscrypt_is_direct_key_policy()
  fscrypt: move fscrypt_valid_enc_modes() to policy.c
  fscrypt: check for appropriate use of DIRECT_KEY flag earlier
  fscrypt: split up fscrypt_supported_policy() by policy version
  fscrypt: introduce fscrypt_needs_contents_encryption()
  fscrypt: move fscrypt_d_revalidate() to fname.c
  fscrypt: constify inode parameter to filename encryption functions
  fscrypt: constify struct fscrypt_hkdf parameter to fscrypt_hkdf_expand()
  fscrypt: verify that the crypto_skcipher has the correct ivsize
  fscrypt: use crypto_skcipher_driver_name()
  fscrypt: support passing a keyring key to FS_IOC_ADD_ENCRYPTION_KEY
  keys: Export lookup_user_key to external users
  UPSTREAM: dynamic_debug: allow to work if debugfs is disabled
  UPSTREAM: lib: dynamic_debug: no need to check return value of debugfs_create functions
  ANDROID: ABI/Whitelist: update for Cuttlefish
  ANDROID: update ABI representation and GKI whitelist
  ANDROID: gki_defconfig: Set CONFIG_ANDROID_BINDERFS=y
  Linux 4.19.103
  rxrpc: Fix service call disconnection
  perf/core: Fix mlock accounting in perf_mmap()
  clocksource: Prevent double add_timer_on() for watchdog_timer
  x86/apic/msi: Plug non-maskable MSI affinity race
  cifs: fail i/o on soft mounts if sessionsetup errors out
  mm/page_alloc.c: fix uninitialized memmaps on a partially populated last section
  mm: return zero_resv_unavail optimization
  mm: zero remaining unavailable struct pages
  KVM: Play nice with read-only memslots when querying host page size
  KVM: Use vcpu-specific gva->hva translation when querying host page size
  KVM: nVMX: vmread should not set rflags to specify success in case of #PF
  KVM: VMX: Add non-canonical check on writes to RTIT address MSRs
  KVM: x86: Use gpa_t for cr2/gpa to fix TDP support on 32-bit KVM
  KVM: x86/mmu: Apply max PA check for MMIO sptes to 32-bit KVM
  btrfs: flush write bio if we loop in extent_write_cache_pages
  drm/dp_mst: Remove VCPI while disabling topology mgr
  drm: atmel-hlcdc: enable clock before configuring timing engine
  btrfs: free block groups after free'ing fs trees
  btrfs: use bool argument in free_root_pointers()
  ext4: fix deadlock allocating crypto bounce page from mempool
  net: dsa: b53: Always use dev->vlan_enabled in b53_configure_vlan()
  net: macb: Limit maximum GEM TX length in TSO
  net: macb: Remove unnecessary alignment check for TSO
  net/mlx5: IPsec, fix memory leak at mlx5_fpga_ipsec_delete_sa_ctx
  net/mlx5: IPsec, Fix esp modify function attribute
  net: systemport: Avoid RBUF stuck in Wake-on-LAN mode
  net_sched: fix a resource leak in tcindex_set_parms()
  net: mvneta: move rx_dropped and rx_errors in per-cpu stats
  net: dsa: bcm_sf2: Only 7278 supports 2Gb/sec IMP port
  bonding/alb: properly access headers in bond_alb_xmit()
  mfd: rn5t618: Mark ADC control register volatile
  mfd: da9062: Fix watchdog compatible string
  ubi: Fix an error pointer dereference in error handling code
  ubi: fastmap: Fix inverted logic in seen selfcheck
  nfsd: Return the correct number of bytes written to the file
  nfsd: fix jiffies/time_t mixup in LRU list
  nfsd: fix delay timer on 32-bit architectures
  IB/core: Fix ODP get user pages flow
  IB/mlx5: Fix outstanding_pi index for GSI qps
  net: tulip: Adjust indentation in {dmfe, uli526x}_init_module
  net: smc911x: Adjust indentation in smc911x_phy_configure
  ppp: Adjust indentation into ppp_async_input
  NFC: pn544: Adjust indentation in pn544_hci_check_presence
  drm: msm: mdp4: Adjust indentation in mdp4_dsi_encoder_enable
  powerpc/44x: Adjust indentation in ibm4xx_denali_fixup_memsize
  ext2: Adjust indentation in ext2_fill_super
  phy: qualcomm: Adjust indentation in read_poll_timeout
  scsi: ufs: Recheck bkops level if bkops is disabled
  scsi: qla4xxx: Adjust indentation in qla4xxx_mem_free
  scsi: csiostor: Adjust indentation in csio_device_reset
  scsi: qla2xxx: Fix the endianness of the qla82xx_get_fw_size() return type
  percpu: Separate decrypted varaibles anytime encryption can be enabled
  drm/amd/dm/mst: Ignore payload update failures
  clk: tegra: Mark fuse clock as critical
  KVM: s390: do not clobber registers during guest reset/store status
  KVM: x86: Free wbinvd_dirty_mask if vCPU creation fails
  KVM: x86: Don't let userspace set host-reserved cr4 bits
  x86/kvm: Be careful not to clear KVM_VCPU_FLUSH_TLB bit
  KVM: PPC: Book3S PR: Free shared page if mmu initialization fails
  KVM: PPC: Book3S HV: Uninit vCPU if vcore creation fails
  KVM: x86: Fix potential put_fpu() w/o load_fpu() on MPX platform
  KVM: x86: Protect MSR-based index computations in fixed_msr_to_seg_unit() from Spectre-v1/L1TF attacks
  KVM: x86: Protect x86_decode_insn from Spectre-v1/L1TF attacks
  KVM: x86: Protect MSR-based index computations from Spectre-v1/L1TF attacks in x86.c
  KVM: x86: Protect ioapic_read_indirect() from Spectre-v1/L1TF attacks
  KVM: x86: Protect MSR-based index computations in pmu.h from Spectre-v1/L1TF attacks
  KVM: x86: Protect ioapic_write_indirect() from Spectre-v1/L1TF attacks
  KVM: x86: Protect kvm_hv_msr_[get|set]_crash_data() from Spectre-v1/L1TF attacks
  KVM: x86: Protect kvm_lapic_reg_write() from Spectre-v1/L1TF attacks
  KVM: x86: Protect DR-based index computations from Spectre-v1/L1TF attacks
  KVM: x86: Protect pmu_intel.c from Spectre-v1/L1TF attacks
  KVM: x86: Refactor prefix decoding to prevent Spectre-v1/L1TF attacks
  KVM: x86: Refactor picdev_write() to prevent Spectre-v1/L1TF attacks
  aio: prevent potential eventfd recursion on poll
  eventfd: track eventfd_signal() recursion depth
  bcache: add readahead cache policy options via sysfs interface
  watchdog: fix UAF in reboot notifier handling in watchdog core code
  xen/balloon: Support xend-based toolstack take two
  tools/kvm_stat: Fix kvm_exit filter name
  media: rc: ensure lirc is initialized before registering input device
  drm/rect: Avoid division by zero
  gfs2: fix O_SYNC write handling
  gfs2: move setting current->backing_dev_info
  sunrpc: expiry_time should be seconds not timeval
  mwifiex: fix unbalanced locking in mwifiex_process_country_ie()
  iwlwifi: don't throw error when trying to remove IGTK
  ARM: tegra: Enable PLLP bypass during Tegra124 LP1
  Btrfs: fix race between adding and putting tree mod seq elements and nodes
  btrfs: set trans->drity in btrfs_commit_transaction
  Btrfs: fix missing hole after hole punching and fsync when using NO_HOLES
  jbd2_seq_info_next should increase position index
  NFS: Directory page cache pages need to be locked when read
  NFS: Fix memory leaks and corruption in readdir
  scsi: qla2xxx: Fix unbound NVME response length
  crypto: picoxcell - adjust the position of tasklet_init and fix missed tasklet_kill
  crypto: api - Fix race condition in crypto_spawn_alg
  crypto: atmel-aes - Fix counter overflow in CTR mode
  crypto: pcrypt - Do not clear MAY_SLEEP flag in original request
  crypto: ccp - set max RSA modulus size for v3 platform devices as well
  samples/bpf: Don't try to remove user's homedir on clean
  ftrace: Protect ftrace_graph_hash with ftrace_sync
  ftrace: Add comment to why rcu_dereference_sched() is open coded
  tracing: Annotate ftrace_graph_notrace_hash pointer with __rcu
  tracing: Annotate ftrace_graph_hash pointer with __rcu
  padata: Remove broken queue flushing
  dm writecache: fix incorrect flush sequence when doing SSD mode commit
  dm: fix potential for q->make_request_fn NULL pointer
  dm crypt: fix benbi IV constructor crash if used in authenticated mode
  dm space map common: fix to ensure new block isn't already in use
  dm zoned: support zone sizes smaller than 128MiB
  of: Add OF_DMA_DEFAULT_COHERENT & select it on powerpc
  PM: core: Fix handling of devices deleted during system-wide resume
  f2fs: code cleanup for f2fs_statfs_project()
  f2fs: fix miscounted block limit in f2fs_statfs_project()
  f2fs: choose hardlimit when softlimit is larger than hardlimit in f2fs_statfs_project()
  ovl: fix wrong WARN_ON() in ovl_cache_update_ino()
  power: supply: ltc2941-battery-gauge: fix use-after-free
  scsi: qla2xxx: Fix mtcp dump collection failure
  scripts/find-unused-docs: Fix massive false positives
  crypto: ccree - fix PM race condition
  crypto: ccree - fix pm wrongful error reporting
  crypto: ccree - fix backlog memory leak
  crypto: api - Check spawn->alg under lock in crypto_drop_spawn
  mfd: axp20x: Mark AXP20X_VBUS_IPSOUT_MGMT as volatile
  hv_balloon: Balloon up according to request page number
  mmc: sdhci-of-at91: fix memleak on clk_get failure
  PCI: keystone: Fix link training retries initiation
  crypto: geode-aes - convert to skcipher API and make thread-safe
  ubifs: Fix deadlock in concurrent bulk-read and writepage
  ubifs: Fix FS_IOC_SETFLAGS unexpectedly clearing encrypt flag
  ubifs: don't trigger assertion on invalid no-key filename
  ubifs: Reject unsupported ioctl flags explicitly
  alarmtimer: Unregister wakeup source when module get fails
  ACPI / battery: Deal better with neither design nor full capacity not being reported
  ACPI / battery: Use design-cap for capacity calculations if full-cap is not available
  ACPI / battery: Deal with design or full capacity being reported as -1
  ACPI: video: Do not export a non working backlight interface on MSI MS-7721 boards
  mmc: spi: Toggle SPI polarity, do not hardcode it
  PCI: tegra: Fix return value check of pm_runtime_get_sync()
  smb3: fix signing verification of large reads
  powerpc/pseries: Advance pfn if section is not present in lmb_is_removable()
  powerpc/xmon: don't access ASDR in VMs
  s390/mm: fix dynamic pagetable upgrade for hugetlbfs
  MIPS: boot: fix typo in 'vmlinux.lzma.its' target
  MIPS: fix indentation of the 'RELOCS' message
  KVM: arm64: Only sign-extend MMIO up to register width
  KVM: arm/arm64: Correct AArch32 SPSR on exception entry
  KVM: arm/arm64: Correct CPSR on exception entry
  KVM: arm64: Correct PSTATE on exception entry
  ALSA: hda: Add Clevo W65_67SB the power_save blacklist
  platform/x86: intel_scu_ipc: Fix interrupt support
  irqdomain: Fix a memory leak in irq_domain_push_irq()
  lib/test_kasan.c: fix memory leak in kmalloc_oob_krealloc_more()
  media: v4l2-rect.h: fix v4l2_rect_map_inside() top/left adjustments
  media: v4l2-core: compat: ignore native command codes
  media/v4l2-core: set pages dirty upon releasing DMA buffers
  mm: move_pages: report the number of non-attempted pages
  mm/memory_hotplug: fix remove_memory() lockdep splat
  ALSA: dummy: Fix PCM format loop in proc output
  ALSA: usb-audio: Fix endianess in descriptor validation
  usb: gadget: f_ecm: Use atomic_t to track in-flight request
  usb: gadget: f_ncm: Use atomic_t to track in-flight request
  usb: gadget: legacy: set max_speed to super-speed
  usb: typec: tcpci: mask event interrupts when remove driver
  brcmfmac: Fix memory leak in brcmf_usbdev_qinit
  rcu: Avoid data-race in rcu_gp_fqs_check_wake()
  tracing: Fix sched switch start/stop refcount racy updates
  ipc/msg.c: consolidate all xxxctl_down() functions
  mfd: dln2: More sanity checking for endpoints
  media: uvcvideo: Avoid cyclic entity chains due to malformed USB descriptors
  rxrpc: Fix NULL pointer deref due to call->conn being cleared on disconnect
  rxrpc: Fix missing active use pinning of rxrpc_local object
  rxrpc: Fix insufficient receive notification generation
  rxrpc: Fix use-after-free in rxrpc_put_local()
  tcp: clear tp->segs_{in|out} in tcp_disconnect()
  tcp: clear tp->data_segs{in|out} in tcp_disconnect()
  tcp: clear tp->delivered in tcp_disconnect()
  tcp: clear tp->total_retrans in tcp_disconnect()
  bnxt_en: Fix TC queue mapping.
  net: stmmac: Delete txtimer in suspend()
  net_sched: fix an OOB access in cls_tcindex
  net: hsr: fix possible NULL deref in hsr_handle_frame()
  l2tp: Allow duplicate session creation with UDP
  gtp: use __GFP_NOWARN to avoid memalloc warning
  cls_rsvp: fix rsvp_policy
  sparc32: fix struct ipc64_perm type definition
  iwlwifi: mvm: fix NVM check for 3168 devices
  printk: fix exclusive_console replaying
  udf: Allow writing to 'Rewritable' partitions
  x86/cpu: Update cached HLE state on write to TSX_CTRL_CPUID_CLEAR
  ocfs2: fix oops when writing cloned file
  media: iguanair: fix endpoint sanity check
  kernel/module: Fix memleak in module_add_modinfo_attrs()
  ovl: fix lseek overflow on 32bit
  Revert "drm/sun4i: dsi: Change the start delay calculation"
  ANDROID: Revert "ANDROID: gki_defconfig: removed CONFIG_PM_WAKELOCKS"
  ANDROID: dm: prevent default-key from being enabled without needed hooks
  ANDROID: gki: x86: Enable PCI_MSI, WATCHDOG, HPET
  ANDROID: Incremental fs: Fix crash on failed lookup
  ANDROID: Incremental fs: Make files writeable
  ANDROID: update abi for 4.19.102
  ANDROID: Incremental fs: Remove C++-style comments
  Linux 4.19.102
  mm/migrate.c: also overwrite error when it is bigger than zero
  perf report: Fix no libunwind compiled warning break s390 issue
  btrfs: do not zero f_bavail if we have available space
  net: Fix skb->csum update in inet_proto_csum_replace16().
  l2t_seq_next should increase position index
  seq_tab_next() should increase position index
  net: fsl/fman: rename IF_MODE_XGMII to IF_MODE_10G
  net/fsl: treat fsl,erratum-a011043
  powerpc/fsl/dts: add fsl,erratum-a011043
  qlcnic: Fix CPU soft lockup while collecting firmware dump
  ARM: dts: am43x-epos-evm: set data pin directions for spi0 and spi1
  r8152: get default setting of WOL before initializing
  airo: Add missing CAP_NET_ADMIN check in AIROOLDIOCTL/SIOCDEVPRIVATE
  airo: Fix possible info leak in AIROOLDIOCTL/SIOCDEVPRIVATE
  tee: optee: Fix compilation issue with nommu
  ARM: 8955/1: virt: Relax arch timer version check during early boot
  scsi: fnic: do not queue commands during fwreset
  xfrm: interface: do not confirm neighbor when do pmtu update
  xfrm interface: fix packet tx through bpf_redirect()
  vti[6]: fix packet tx through bpf_redirect()
  ARM: dts: am335x-boneblack-common: fix memory size
  iwlwifi: Don't ignore the cap field upon mcc update
  riscv: delete temporary files
  bnxt_en: Fix ipv6 RFS filter matching logic.
  net: dsa: bcm_sf2: Configure IMP port for 2Gb/sec
  netfilter: nft_tunnel: ERSPAN_VERSION must not be null
  wireless: wext: avoid gcc -O3 warning
  mac80211: Fix TKIP replay protection immediately after key setup
  cfg80211: Fix radar event during another phy CAC
  wireless: fix enabling channel 12 for custom regulatory domain
  parisc: Use proper printk format for resource_size_t
  qmi_wwan: Add support for Quectel RM500Q
  ASoC: sti: fix possible sleep-in-atomic
  platform/x86: GPD pocket fan: Allow somewhat lower/higher temperature limits
  igb: Fix SGMII SFP module discovery for 100FX/LX.
  ixgbe: Fix calculation of queue with VFs and flow director on interface flap
  ixgbevf: Remove limit of 10 entries for unicast filter list
  ASoC: rt5640: Fix NULL dereference on module unload
  clk: mmp2: Fix the order of timer mux parents
  mac80211: mesh: restrict airtime metric to peered established plinks
  clk: sunxi-ng: h6-r: Fix AR100/R_APB2 parent order
  rseq: Unregister rseq for clone CLONE_VM
  tools lib traceevent: Fix memory leakage in filter_event
  soc: ti: wkup_m3_ipc: Fix race condition with rproc_boot
  ARM: dts: beagle-x15-common: Model 5V0 regulator
  ARM: dts: am57xx-beagle-x15/am57xx-idk: Remove "gpios" for endpoint dt nodes
  ARM: dts: sun8i: a83t: Correct USB3503 GPIOs polarity
  media: si470x-i2c: Move free() past last use of 'radio'
  cgroup: Prevent double killing of css when enabling threaded cgroup
  Bluetooth: Fix race condition in hci_release_sock()
  ttyprintk: fix a potential deadlock in interrupt context issue
  tomoyo: Use atomic_t for statistics counter
  media: dvb-usb/dvb-usb-urb.c: initialize actlen to 0
  media: gspca: zero usb_buf
  media: vp7045: do not read uninitialized values if usb transfer fails
  media: af9005: uninitialized variable printked
  media: digitv: don't continue if remote control state can't be read
  reiserfs: Fix memory leak of journal device string
  mm/mempolicy.c: fix out of bounds write in mpol_parse_str()
  ext4: validate the debug_want_extra_isize mount option at parse time
  arm64: kbuild: remove compressed images on 'make ARCH=arm64 (dist)clean'
  tools lib: Fix builds when glibc contains strlcpy()
  PM / devfreq: Add new name attribute for sysfs
  perf c2c: Fix return type for histogram sorting comparision functions
  rsi: fix use-after-free on failed probe and unbind
  rsi: add hci detach for hibernation and poweroff
  crypto: pcrypt - Fix user-after-free on module unload
  x86/resctrl: Fix a deadlock due to inaccurate reference
  x86/resctrl: Fix use-after-free due to inaccurate refcount of rdtgroup
  x86/resctrl: Fix use-after-free when deleting resource groups
  vfs: fix do_last() regression
  ANDROID: update abi definitions
  BACKPORT: clk: core: clarify the check for runtime PM
  UPSTREAM: sched/fair/util_est: Implement faster ramp-up EWMA on utilization increases
  ANDROID: Re-use SUGOV_RT_MAX_FREQ to control uclamp rt behavior
  BACKPORT: sched/fair: Make EAS wakeup placement consider uclamp restrictions
  BACKPORT: sched/fair: Make task_fits_capacity() consider uclamp restrictions
  ANDROID: sched/core: Move SchedTune task API into UtilClamp wrappers
  ANDROID: sched/core: Add a latency-sensitive flag to uclamp
  ANDROID: sched/tune: Move SchedTune cpu API into UtilClamp wrappers
  ANDROID: init: kconfig: Only allow sched tune if !uclamp
  FROMGIT: sched/core: Fix size of rq::uclamp initialization
  FROMGIT: sched/uclamp: Fix a bug in propagating uclamp value in new cgroups
  FROMGIT: sched/uclamp: Rename uclamp_util_with() into uclamp_rq_util_with()
  FROMGIT: sched/uclamp: Make uclamp util helpers use and return UL values
  FROMGIT: sched/uclamp: Remove uclamp_util()
  BACKPORT: sched/rt: Make RT capacity-aware
  UPSTREAM: tools headers UAPI: Sync sched.h with the kernel
  UPSTREAM: sched/uclamp: Fix overzealous type replacement
  UPSTREAM: sched/uclamp: Fix incorrect condition
  UPSTREAM: sched/core: Fix compilation error when cgroup not selected
  UPSTREAM: sched/core: Fix uclamp ABI bug, clean up and robustify sched_read_attr() ABI logic and code
  UPSTREAM: sched/uclamp: Always use 'enum uclamp_id' for clamp_id values
  UPSTREAM: sched/uclamp: Update CPU's refcount on TG's clamp changes
  UPSTREAM: sched/uclamp: Use TG's clamps to restrict TASK's clamps
  UPSTREAM: sched/uclamp: Propagate system defaults to the root group
  UPSTREAM: sched/uclamp: Propagate parent clamps
  UPSTREAM: sched/uclamp: Extend CPU's cgroup controller
  BACKPORT: sched/uclamp: Add uclamp support to energy_compute()
  UPSTREAM: sched/uclamp: Add uclamp_util_with()
  BACKPORT: sched/cpufreq, sched/uclamp: Add clamps for FAIR and RT tasks
  UPSTREAM: sched/uclamp: Set default clamps for RT tasks
  UPSTREAM: sched/uclamp: Reset uclamp values on RESET_ON_FORK
  UPSTREAM: sched/uclamp: Extend sched_setattr() to support utilization clamping
  UPSTREAM: sched/core: Allow sched_setattr() to use the current policy
  UPSTREAM: sched/uclamp: Add system default clamps
  UPSTREAM: sched/uclamp: Enforce last task's UCLAMP_MAX
  UPSTREAM: sched/uclamp: Add bucket local max tracking
  UPSTREAM: sched/uclamp: Add CPU's clamp buckets refcounting
  UPSTREAM: cgroup: add cgroup_parse_float()
  Linux 4.19.101
  KVM: arm64: Write arch.mdcr_el2 changes since last vcpu_load on VHE
  block: fix 32 bit overflow in __blkdev_issue_discard()
  block: cleanup __blkdev_issue_discard()
  random: try to actively add entropy rather than passively wait for it
  crypto: af_alg - Use bh_lock_sock in sk_destruct
  rsi: fix non-atomic allocation in completion handler
  rsi: fix memory leak on failed URB submission
  rsi: fix use-after-free on probe errors
  sched/fair: Fix insertion in rq->leaf_cfs_rq_list
  sched/fair: Add tmp_alone_branch assertion
  usb-storage: Disable UAS on JMicron SATA enclosure
  ARM: OMAP2+: SmartReflex: add omap_sr_pdata definition
  iommu/amd: Support multiple PCI DMA aliases in IRQ Remapping
  PCI: Add DMA alias quirk for Intel VCA NTB
  platform/x86: dell-laptop: disable kbd backlight on Inspiron 10xx
  HID: steam: Fix input device disappearing
  atm: eni: fix uninitialized variable warning
  gpio: max77620: Add missing dependency on GPIOLIB_IRQCHIP
  net: wan: sdla: Fix cast from pointer to integer of different size
  drivers/net/b44: Change to non-atomic bit operations on pwol_mask
  spi: spi-dw: Add lock protect dw_spi rx/tx to prevent concurrent calls
  watchdog: rn5t618_wdt: fix module aliases
  watchdog: max77620_wdt: fix potential build errors
  phy: cpcap-usb: Prevent USB line glitches from waking up modem
  phy: qcom-qmp: Increase PHY ready timeout
  drivers/hid/hid-multitouch.c: fix a possible null pointer access.
  HID: Add quirk for incorrect input length on Lenovo Y720
  HID: ite: Add USB id match for Acer SW5-012 keyboard dock
  HID: Add quirk for Xin-Mo Dual Controller
  arc: eznps: fix allmodconfig kconfig warning
  HID: multitouch: Add LG MELF0410 I2C touchscreen support
  net_sched: fix ops->bind_class() implementations
  net_sched: ematch: reject invalid TCF_EM_SIMPLE
  zd1211rw: fix storage endpoint lookup
  rtl8xxxu: fix interface sanity check
  brcmfmac: fix interface sanity check
  ath9k: fix storage endpoint lookup
  cifs: Fix memory allocation in __smb2_handle_cancelled_cmd()
  crypto: chelsio - fix writing tfm flags to wrong place
  iio: st_gyro: Correct data for LSM9DS0 gyro
  mei: me: add comet point (lake) H device ids
  component: do not dereference opaque pointer in debugfs
  serial: 8250_bcm2835aux: Fix line mismatch on driver unbind
  staging: vt6656: Fix false Tx excessive retries reporting.
  staging: vt6656: use NULLFUCTION stack on mac80211
  staging: vt6656: correct packet types for CTS protect, mode.
  staging: wlan-ng: ensure error return is actually returned
  staging: most: net: fix buffer overflow
  usb: dwc3: turn off VBUS when leaving host mode
  USB: serial: ir-usb: fix IrLAP framing
  USB: serial: ir-usb: fix link-speed handling
  USB: serial: ir-usb: add missing endpoint sanity check
  usb: dwc3: pci: add ID for the Intel Comet Lake -V variant
  rsi_91x_usb: fix interface sanity check
  orinoco_usb: fix interface sanity check
  ANDROID: gki: Removed cf modules from gki_defconfig
  ANDROID: Remove default y for VIRTIO_PCI_LEGACY
  ANDROID: gki_defconfig: Remove SND_8X0
  ANDROID: gki: Fixed some typos in Kconfig.gki
  ANDROID: modularize BLK_MQ_VIRTIO
  ANDROID: kallsyms: strip hashes from function names with ThinLTO
  ANDROID: Incremental fs: Remove unneeded compatibility typedef
  ANDROID: Incremental fs: Enable incrementalfs in GKI
  ANDROID: Incremental fs: Fix sparse errors
  ANDROID: Fixing incremental fs style issues
  ANDROID: Make incfs selftests pass
  ANDROID: Initial commit of Incremental FS
  ANDROID: gki_defconfig: Enable req modules in GKI
  ANDROID: gki_defconfig: Set IKHEADERS back to =y
  UPSTREAM: UAPI: ndctl: Remove use of PAGE_SIZE
  Linux 4.19.100
  mm/memory_hotplug: shrink zones when offlining memory
  mm/memory_hotplug: fix try_offline_node()
  mm/memunmap: don't access uninitialized memmap in memunmap_pages()
  drivers/base/node.c: simplify unregister_memory_block_under_nodes()
  mm/hotplug: kill is_dev_zone() usage in __remove_pages()
  mm/memory_hotplug: remove "zone" parameter from sparse_remove_one_section
  mm/memory_hotplug: make unregister_memory_block_under_nodes() never fail
  mm/memory_hotplug: remove memory block devices before arch_remove_memory()
  mm/memory_hotplug: create memory block devices after arch_add_memory()
  drivers/base/memory: pass a block_id to init_memory_block()
  mm/memory_hotplug: allow arch_remove_memory() without CONFIG_MEMORY_HOTREMOVE
  s390x/mm: implement arch_remove_memory()
  mm/memory_hotplug: make __remove_pages() and arch_remove_memory() never fail
  powerpc/mm: Fix section mismatch warning
  mm/memory_hotplug: make __remove_section() never fail
  mm/memory_hotplug: make unregister_memory_section() never fail
  mm, memory_hotplug: update a comment in unregister_memory()
  drivers/base/memory.c: clean up relics in function parameters
  mm/memory_hotplug: release memory resource after arch_remove_memory()
  mm, memory_hotplug: add nid parameter to arch_remove_memory
  drivers/base/memory.c: remove an unnecessary check on NR_MEM_SECTIONS
  mm, sparse: pass nid instead of pgdat to sparse_add_one_section()
  mm, sparse: drop pgdat_resize_lock in sparse_add/remove_one_section()
  mm/memory_hotplug: make remove_memory() take the device_hotplug_lock
  net/x25: fix nonblocking connect
  netfilter: nf_tables: add __nft_chain_type_get()
  netfilter: ipset: use bitmap infrastructure completely
  scsi: iscsi: Avoid potential deadlock in iscsi_if_rx func
  media: v4l2-ioctl.c: zero reserved fields for S/TRY_FMT
  libertas: Fix two buffer overflows at parsing bss descriptor
  coresight: tmc-etf: Do not call smp_processor_id from preemptible
  coresight: etb10: Do not call smp_processor_id from preemptible
  crypto: geode-aes - switch to skcipher for cbc(aes) fallback
  sd: Fix REQ_OP_ZONE_REPORT completion handling
  tracing: Fix histogram code when expression has same var as value
  tracing: Remove open-coding of hist trigger var_ref management
  tracing: Use hist trigger's var_ref array to destroy var_refs
  net/sonic: Prevent tx watchdog timeout
  net/sonic: Fix CAM initialization
  net/sonic: Fix command register usage
  net/sonic: Quiesce SONIC before re-initializing descriptor memory
  net/sonic: Fix receive buffer replenishment
  net/sonic: Improve receive descriptor status flag check
  net/sonic: Avoid needless receive descriptor EOL flag updates
  net/sonic: Fix receive buffer handling
  net/sonic: Fix interface error stats collection
  net/sonic: Use MMIO accessors
  net/sonic: Clear interrupt flags immediately
  net/sonic: Add mutual exclusion for accessing shared state
  do_last(): fetch directory ->i_mode and ->i_uid before it's too late
  tracing: xen: Ordered comparison of function pointers
  scsi: RDMA/isert: Fix a recently introduced regression related to logout
  hwmon: (nct7802) Fix voltage limits to wrong registers
  netfilter: nft_osf: add missing check for DREG attribute
  Input: sun4i-ts - add a check for devm_thermal_zone_of_sensor_register
  Input: pegasus_notetaker - fix endpoint sanity check
  Input: aiptek - fix endpoint sanity check
  Input: gtco - fix endpoint sanity check
  Input: sur40 - fix interface sanity checks
  Input: pm8xxx-vib - fix handling of separate enable register
  Documentation: Document arm64 kpti control
  mmc: sdhci: fix minimum clock rate for v3 controller
  mmc: tegra: fix SDR50 tuning override
  ARM: 8950/1: ftrace/recordmcount: filter relocation types
  Revert "Input: synaptics-rmi4 - don't increment rmiaddr for SMBus transfers"
  Input: keyspan-remote - fix control-message timeouts
  tracing: trigger: Replace unneeded RCU-list traversals
  PCI: Mark AMD Navi14 GPU rev 0xc5 ATS as broken
  hwmon: (core) Do not use device managed functions for memory allocations
  hwmon: (adt7475) Make volt2reg return same reg as reg2volt input
  afs: Fix characters allowed into cell names
  tun: add mutex_unlock() call and napi.skb clearing in tun_get_user()
  tcp: do not leave dangling pointers in tp->highest_sack
  tcp_bbr: improve arithmetic division in bbr_update_bw()
  Revert "udp: do rmem bulk free even if the rx sk queue is empty"
  net: usb: lan78xx: Add .ndo_features_check
  net-sysfs: Fix reference count leak
  net-sysfs: Call dev_hold always in rx_queue_add_kobject
  net-sysfs: Call dev_hold always in netdev_queue_add_kobject
  net-sysfs: fix netdev_queue_add_kobject() breakage
  net-sysfs: Fix reference count leak in rx|netdev_queue_add_kobject
  net_sched: fix datalen for ematch
  net: rtnetlink: validate IFLA_MTU attribute in rtnl_create_link()
  net, ip_tunnel: fix namespaces move
  net, ip6_tunnel: fix namespaces move
  net: ip6_gre: fix moving ip6gre between namespaces
  net: cxgb3_main: Add CAP_NET_ADMIN check to CHELSIO_GET_MEM
  net: bcmgenet: Use netif_tx_napi_add() for TX NAPI
  ipv6: sr: remove SKB_GSO_IPXIP6 on End.D* actions
  gtp: make sure only SOCK_DGRAM UDP sockets are accepted
  firestream: fix memory leaks
  can, slip: Protect tty->disc_data in write_wakeup and close with RCU
  ANDROID: update abi definitions
  UPSTREAM: staging: most: net: fix buffer overflow
  ANDROID: gki_defconfig: Enable CONFIG_BTT
  ANDROID: gki_defconfig: Temporarily disable CFI
  f2fs: fix race conditions in ->d_compare() and ->d_hash()
  f2fs: fix dcache lookup of !casefolded directories
  f2fs: Add f2fs stats to sysfs
  f2fs: delete duplicate information on sysfs nodes
  f2fs: change to use rwsem for gc_mutex
  f2fs: update f2fs document regarding to fsync_mode
  f2fs: add a way to turn off ipu bio cache
  f2fs: code cleanup for f2fs_statfs_project()
  f2fs: fix miscounted block limit in f2fs_statfs_project()
  f2fs: show the CP_PAUSE reason in checkpoint traces
  f2fs: fix deadlock allocating bio_post_read_ctx from mempool
  f2fs: remove unneeded check for error allocating bio_post_read_ctx
  f2fs: convert inline_dir early before starting rename
  f2fs: fix memleak of kobject
  f2fs: fix to add swap extent correctly
  mm: export add_swap_extent()
  f2fs: run fsck when getting bad inode during GC
  f2fs: support data compression
  f2fs: free sysfs kobject
  f2fs: declare nested quota_sem and remove unnecessary sems
  f2fs: don't put new_page twice in f2fs_rename
  f2fs: set I_LINKABLE early to avoid wrong access by vfs
  f2fs: don't keep META_MAPPING pages used for moving verity file blocks
  f2fs: introduce private bioset
  f2fs: cleanup duplicate stats for atomic files
  f2fs: set GFP_NOFS when moving inline dentries
  f2fs: should avoid recursive filesystem ops
  f2fs: keep quota data on write_begin failure
  f2fs: call f2fs_balance_fs outside of locked page
  f2fs: preallocate DIO blocks when forcing buffered_io
  Linux 4.19.99
  m68k: Call timer_interrupt() with interrupts disabled
  arm64: dts: meson-gxm-khadas-vim2: fix uart_A bluetooth node
  serial: stm32: fix clearing interrupt error flags
  IB/iser: Fix dma_nents type definition
  usb: dwc3: Allow building USB_DWC3_QCOM without EXTCON
  samples/bpf: Fix broken xdp_rxq_info due to map order assumptions
  arm64: dts: juno: Fix UART frequency
  drm/radeon: fix bad DMA from INTERRUPT_CNTL2
  dmaengine: ti: edma: fix missed failure handling
  afs: Remove set but not used variables 'before', 'after'
  affs: fix a memory leak in affs_remount
  mmc: core: fix wl1251 sdio quirks
  mmc: sdio: fix wl1251 vendor id
  i2c: stm32f7: report dma error during probe
  packet: fix data-race in fanout_flow_is_huge()
  net: neigh: use long type to store jiffies delta
  hv_netvsc: flag software created hash value
  MIPS: Loongson: Fix return value of loongson_hwmon_init
  dpaa_eth: avoid timestamp read on error paths
  dpaa_eth: perform DMA unmapping before read
  hwrng: omap3-rom - Fix missing clock by probing with device tree
  drm: panel-lvds: Potential Oops in probe error handling
  afs: Fix large file support
  hv_netvsc: Fix send_table offset in case of a host bug
  hv_netvsc: Fix offset usage in netvsc_send_table()
  net: qca_spi: Move reset_count to struct qcaspi
  afs: Fix missing timeout reset
  bpf, offload: Unlock on error in bpf_offload_dev_create()
  xsk: Fix registration of Rx-only sockets
  net: netem: correct the parent's backlog when corrupted packet was dropped
  net: netem: fix error path for corrupted GSO frames
  arm64: hibernate: check pgd table allocation
  firmware: dmi: Fix unlikely out-of-bounds read in save_mem_devices
  dmaengine: imx-sdma: fix size check for sdma script_number
  vhost/test: stop device before reset
  drm/msm/dsi: Implement reset correctly
  net/smc: receive pending data after RCV_SHUTDOWN
  net/smc: receive returns without data
  tcp: annotate lockless access to tcp_memory_pressure
  net: add {READ|WRITE}_ONCE() annotations on ->rskq_accept_head
  net: avoid possible false sharing in sk_leave_memory_pressure()
  act_mirred: Fix mirred_init_module error handling
  s390/qeth: Fix initialization of vnicc cmd masks during set online
  s390/qeth: Fix error handling during VNICC initialization
  sctp: add chunks to sk_backlog when the newsk sk_socket is not set
  net: stmmac: fix disabling flexible PPS output
  net: stmmac: fix length of PTP clock's name string
  ip6erspan: remove the incorrect mtu limit for ip6erspan
  llc: fix sk_buff refcounting in llc_conn_state_process()
  llc: fix another potential sk_buff leak in llc_ui_sendmsg()
  mac80211: accept deauth frames in IBSS mode
  rxrpc: Fix trace-after-put looking at the put connection record
  net: stmmac: gmac4+: Not all Unicast addresses may be available
  nvme: retain split access workaround for capability reads
  net: sched: cbs: Avoid division by zero when calculating the port rate
  net: ethernet: stmmac: Fix signedness bug in ipq806x_gmac_of_parse()
  net: nixge: Fix a signedness bug in nixge_probe()
  of: mdio: Fix a signedness bug in of_phy_get_and_connect()
  net: axienet: fix a signedness bug in probe
  net: stmmac: dwmac-meson8b: Fix signedness bug in probe
  net: socionext: Fix a signedness bug in ave_probe()
  net: netsec: Fix signedness bug in netsec_probe()
  net: broadcom/bcmsysport: Fix signedness in bcm_sysport_probe()
  net: hisilicon: Fix signedness bug in hix5hd2_dev_probe()
  cxgb4: Signedness bug in init_one()
  net: aquantia: Fix aq_vec_isr_legacy() return value
  iommu/amd: Wait for completion of IOTLB flush in attach_device
  crypto: hisilicon - Matching the dma address for dma_pool_free()
  bpf: fix BTF limits
  powerpc/mm/mce: Keep irqs disabled during lockless page table walk
  clk: actions: Fix factor clk struct member access
  mailbox: qcom-apcs: fix max_register value
  f2fs: fix to avoid accessing uninitialized field of inode page in is_alive()
  bnxt_en: Increase timeout for HWRM_DBG_COREDUMP_XX commands
  um: Fix off by one error in IRQ enumeration
  net/rds: Fix 'ib_evt_handler_call' element in 'rds_ib_stat_names'
  RDMA/cma: Fix false error message
  ath10k: adjust skb length in ath10k_sdio_mbox_rx_packet
  gpio/aspeed: Fix incorrect number of banks
  pinctrl: iproc-gpio: Fix incorrect pinconf configurations
  net: sonic: replace dev_kfree_skb in sonic_send_packet
  hwmon: (shtc1) fix shtc1 and shtw1 id mask
  ixgbe: sync the first fragment unconditionally
  btrfs: use correct count in btrfs_file_write_iter()
  Btrfs: fix inode cache waiters hanging on path allocation failure
  Btrfs: fix inode cache waiters hanging on failure to start caching thread
  Btrfs: fix hang when loading existing inode cache off disk
  scsi: fnic: fix msix interrupt allocation
  f2fs: fix error path of f2fs_convert_inline_page()
  f2fs: fix wrong error injection path in inc_valid_block_count()
  ARM: dts: logicpd-som-lv: Fix i2c2 and i2c3 Pin mux
  rtlwifi: Fix file release memory leak
  net: hns3: fix error VF index when setting VLAN offload
  net: sonic: return NETDEV_TX_OK if failed to map buffer
  led: triggers: Fix dereferencing of null pointer
  xsk: avoid store-tearing when assigning umem
  xsk: avoid store-tearing when assigning queues
  ARM: dts: aspeed-g5: Fixe gpio-ranges upper limit
  tty: serial: fsl_lpuart: Use appropriate lpuart32_* I/O funcs
  wcn36xx: use dynamic allocation for large variables
  ath9k: dynack: fix possible deadlock in ath_dynack_node_{de}init
  netfilter: ctnetlink: honor IPS_OFFLOAD flag
  iio: dac: ad5380: fix incorrect assignment to val
  bcache: Fix an error code in bch_dump_read()
  usb: typec: tps6598x: Fix build error without CONFIG_REGMAP_I2C
  bcma: fix incorrect update of BCMA_CORE_PCI_MDIO_DATA
  irqdomain: Add the missing assignment of domain->fwnode for named fwnode
  staging: greybus: light: fix a couple double frees
  x86, perf: Fix the dependency of the x86 insn decoder selftest
  power: supply: Init device wakeup after device_add()
  net/sched: cbs: Set default link speed to 10 Mbps in cbs_set_port_rate
  hwmon: (lm75) Fix write operations for negative temperatures
  Partially revert "kfifo: fix kfifo_alloc() and kfifo_init()"
  rxrpc: Fix lack of conn cleanup when local endpoint is cleaned up [ver #2]
  ahci: Do not export local variable ahci_em_messages
  iommu/mediatek: Fix iova_to_phys PA start for 4GB mode
  media: em28xx: Fix exception handling in em28xx_alloc_urbs()
  mips: avoid explicit UB in assignment of mips_io_port_base
  rtc: pcf2127: bugfix: read rtc disables watchdog
  ARM: 8896/1: VDSO: Don't leak kernel addresses
  media: atmel: atmel-isi: fix timeout value for stop streaming
  i40e: reduce stack usage in i40e_set_fc
  mac80211: minstrel_ht: fix per-group max throughput rate initialization
  rtc: rv3029: revert error handling patch to rv3029_eeprom_write()
  dmaengine: dw: platform: Switch to acpi_dma_controller_register()
  ASoC: sun4i-i2s: RX and TX counter registers are swapped
  powerpc/64s/radix: Fix memory hot-unplug page table split
  signal: Allow cifs and drbd to receive their terminating signals
  bnxt_en: Fix handling FRAG_ERR when NVM_INSTALL_UPDATE cmd fails
  drm: rcar-du: lvds: Fix bridge_to_rcar_lvds
  tools: bpftool: fix format strings and arguments for jsonw_printf()
  tools: bpftool: fix arguments for p_err() in do_event_pipe()
  net/rds: Add a few missing rds_stat_names entries
  ASoC: wm8737: Fix copy-paste error in wm8737_snd_controls
  ASoC: cs4349: Use PM ops 'cs4349_runtime_pm'
  ASoC: es8328: Fix copy-paste error in es8328_right_line_controls
  RDMA/hns: bugfix for slab-out-of-bounds when loading hip08 driver
  RDMA/hns: Bugfix for slab-out-of-bounds when unloading hip08 driver
  ext4: set error return correctly when ext4_htree_store_dirent fails
  crypto: caam - free resources in case caam_rng registration failed
  cxgb4: smt: Add lock for atomic_dec_and_test
  spi: bcm-qspi: Fix BSPI QUAD and DUAL mode support when using flex mode
  net: fix bpf_xdp_adjust_head regression for generic-XDP
  iio: tsl2772: Use devm_add_action_or_reset for tsl2772_chip_off
  cifs: fix rmmod regression in cifs.ko caused by force_sig changes
  net/mlx5: Fix mlx5_ifc_query_lag_out_bits
  ARM: dts: stm32: add missing vdda-supply to adc on stm32h743i-eval
  tipc: reduce risk of wakeup queue starvation
  arm64: dts: renesas: r8a77995: Fix register range of display node
  ALSA: aoa: onyx: always initialize register read value
  crypto: ccp - Reduce maximum stack usage
  x86/kgbd: Use NMI_VECTOR not APIC_DM_NMI
  mic: avoid statically declaring a 'struct device'.
  media: rcar-vin: Clean up correct notifier in error path
  usb: host: xhci-hub: fix extra endianness conversion
  qed: reduce maximum stack frame size
  libertas_tf: Use correct channel range in lbtf_geo_init
  PM: sleep: Fix possible overflow in pm_system_cancel_wakeup()
  clk: sunxi-ng: v3s: add the missing PLL_DDR1
  drm/panel: make drm_panel.h self-contained
  xfrm interface: ifname may be wrong in logs
  scsi: libfc: fix null pointer dereference on a null lport
  ARM: stm32: use "depends on" instead of "if" after prompt
  xdp: fix possible cq entry leak
  x86/pgtable/32: Fix LOWMEM_PAGES constant
  net/tls: fix socket wmem accounting on fallback with netem
  net: pasemi: fix an use-after-free in pasemi_mac_phy_init()
  ceph: fix "ceph.dir.rctime" vxattr value
  PCI: mobiveil: Fix the valid check for inbound and outbound windows
  PCI: mobiveil: Fix devfn check in mobiveil_pcie_valid_device()
  PCI: mobiveil: Remove the flag MSI_FLAG_MULTI_PCI_MSI
  RDMA/hns: Fixs hw access invalid dma memory error
  fsi: sbefifo: Don't fail operations when in SBE IPL state
  devres: allow const resource arguments
  fsi/core: Fix error paths on CFAM init
  ACPI: PM: Introduce "poweroff" callbacks for ACPI PM domain and LPSS
  ACPI: PM: Simplify and fix PM domain hibernation callbacks
  PM: ACPI/PCI: Resume all devices during hibernation
  um: Fix IRQ controller regression on console read
  xprtrdma: Fix use-after-free in rpcrdma_post_recvs
  rxrpc: Fix uninitialized error code in rxrpc_send_data_packet()
  mfd: intel-lpss: Release IDA resources
  iommu/amd: Make iommu_disable safer
  bnxt_en: Suppress error messages when querying DSCP DCB capabilities.
  bnxt_en: Fix ethtool selftest crash under error conditions.
  fork,memcg: alloc_thread_stack_node needs to set tsk->stack
  backlight: pwm_bl: Fix heuristic to determine number of brightness levels
  tools: bpftool: use correct argument in cgroup errors
  nvmem: imx-ocotp: Change TIMING calculation to u-boot algorithm
  nvmem: imx-ocotp: Ensure WAIT bits are preserved when setting timing
  clk: qcom: Fix -Wunused-const-variable
  dmaengine: hsu: Revert "set HSU_CH_MTSR to memory width"
  perf/ioctl: Add check for the sample_period value
  ip6_fib: Don't discard nodes with valid routing information in fib6_locate_1()
  drm/msm/a3xx: remove TPL1 regs from snapshot
  arm64: dts: allwinner: h6: Pine H64: Add interrupt line for RTC
  net/sched: cbs: Fix error path of cbs_module_init
  ARM: dts: iwg20d-q7-common: Fix SDHI1 VccQ regularor
  rtc: pcf8563: Clear event flags and disable interrupts before requesting irq
  rtc: pcf8563: Fix interrupt trigger method
  ASoC: ti: davinci-mcasp: Fix slot mask settings when using multiple AXRs
  net/af_iucv: always register net_device notifier
  net/af_iucv: build proper skbs for HiperTransport
  net/udp_gso: Allow TX timestamp with UDP GSO
  net: netem: fix backlog accounting for corrupted GSO frames
  drm/msm/mdp5: Fix mdp5_cfg_init error return
  IB/hfi1: Handle port down properly in pio
  bpf: fix the check that forwarding is enabled in bpf_ipv6_fib_lookup
  powerpc/pseries/mobility: rebuild cacheinfo hierarchy post-migration
  powerpc/cacheinfo: add cacheinfo_teardown, cacheinfo_rebuild
  qed: iWARP - fix uninitialized callback
  qed: iWARP - Use READ_ONCE and smp_store_release to access ep->state
  ASoC: meson: axg-tdmout: right_j is not supported
  ASoC: meson: axg-tdmin: right_j is not supported
  ntb_hw_switchtec: potential shift wrapping bug in switchtec_ntb_init_sndev()
  firmware: arm_scmi: update rate_discrete in clock_describe_rates_get
  firmware: arm_scmi: fix bitfield definitions for SENSOR_DESC attributes
  phy: usb: phy-brcm-usb: Remove sysfs attributes upon driver removal
  iommu/vt-d: Duplicate iommu_resv_region objects per device list
  arm64: dts: meson-gxm-khadas-vim2: fix Bluetooth support
  arm64: dts: meson-gxm-khadas-vim2: fix gpio-keys-polled node
  serial: stm32: fix a recursive locking in stm32_config_rs485
  mpls: fix warning with multi-label encap
  arm64: dts: renesas: ebisu: Remove renesas, no-ether-link property
  crypto: inside-secure - fix queued len computation
  crypto: inside-secure - fix zeroing of the request in ahash_exit_inv
  media: vivid: fix incorrect assignment operation when setting video mode
  clk: sunxi-ng: sun50i-h6-r: Fix incorrect W1 clock gate register
  cpufreq: brcmstb-avs-cpufreq: Fix types for voltage/frequency
  cpufreq: brcmstb-avs-cpufreq: Fix initial command check
  phy: qcom-qusb2: fix missing assignment of ret when calling clk_prepare_enable
  net: don't clear sock->sk early to avoid trouble in strparser
  RDMA/uverbs: check for allocation failure in uapi_add_elm()
  net: core: support XDP generic on stacked devices.
  netvsc: unshare skb in VF rx handler
  crypto: talitos - fix AEAD processing.
  net: hns3: fix a memory leak issue for hclge_map_unmap_ring_to_vf_vector
  inet: frags: call inet_frags_fini() after unregister_pernet_subsys()
  signal/cifs: Fix cifs_put_tcp_session to call send_sig instead of force_sig
  signal/bpfilter: Fix bpfilter_kernl to use send_sig not force_sig
  iommu: Use right function to get group for device
  iommu: Add missing new line for dma type
  misc: sgi-xp: Properly initialize buf in xpc_get_rsvd_page_pa
  serial: stm32: fix wakeup source initialization
  serial: stm32: Add support of TC bit status check
  serial: stm32: fix transmit_chars when tx is stopped
  serial: stm32: fix rx data length when parity enabled
  serial: stm32: fix rx error handling
  serial: stm32: fix word length configuration
  crypto: ccp - Fix 3DES complaint from ccp-crypto module
  crypto: ccp - fix AES CFB error exposed by new test vectors
  spi: spi-fsl-spi: call spi_finalize_current_message() at the end
  RDMA/qedr: Fix incorrect device rate.
  arm64: dts: meson: libretech-cc: set eMMC as removable
  dmaengine: tegra210-adma: Fix crash during probe
  clk: meson: axg: spread spectrum is on mpll2
  clk: meson: gxbb: no spread spectrum on mpll0
  ARM: dts: sun8i-h3: Fix wifi in Beelink X2 DT
  afs: Fix double inc of vnode->cb_break
  afs: Fix lock-wait/callback-break double locking
  afs: Don't invalidate callback if AFS_VNODE_DIR_VALID not set
  afs: Fix key leak in afs_release() and afs_evict_inode()
  EDAC/mc: Fix edac_mc_find() in case no device is found
  thermal: cpu_cooling: Actually trace CPU load in thermal_power_cpu_get_power
  thermal: rcar_gen3_thermal: fix interrupt type
  backlight: lm3630a: Return 0 on success in update_status functions
  netfilter: nf_tables: correct NFT_LOGLEVEL_MAX value
  kdb: do a sanity check on the cpu in kdb_per_cpu()
  nfp: bpf: fix static check error through tightening shift amount adjustment
  ARM: riscpc: fix lack of keyboard interrupts after irq conversion
  pwm: meson: Don't disable PWM when setting duty repeatedly
  pwm: meson: Consider 128 a valid pre-divider
  netfilter: ebtables: CONFIG_COMPAT: reject trailing data after last rule
  crypto: caam - fix caam_dump_sg that iterates through scatterlist
  platform/x86: alienware-wmi: printing the wrong error code
  media: davinci/vpbe: array underflow in vpbe_enum_outputs()
  media: omap_vout: potential buffer overflow in vidioc_dqbuf()
  ALSA: aica: Fix a long-time build breakage
  l2tp: Fix possible NULL pointer dereference
  vfio/mdev: Fix aborting mdev child device removal if one fails
  vfio/mdev: Follow correct remove sequence
  vfio/mdev: Avoid release parent reference during error path
  afs: Fix the afs.cell and afs.volume xattr handlers
  ath10k: Fix encoding for protected management frames
  lightnvm: pblk: fix lock order in pblk_rb_tear_down_check
  mmc: core: fix possible use after free of host
  watchdog: rtd119x_wdt: Fix remove function
  dmaengine: tegra210-adma: restore channel status
  net: ena: fix ena_com_fill_hash_function() implementation
  net: ena: fix incorrect test of supported hash function
  net: ena: fix: Free napi resources when ena_up() fails
  net: ena: fix swapped parameters when calling ena_com_indirect_table_fill_entry
  iommu/vt-d: Make kernel parameter igfx_off work with vIOMMU
  RDMA/rxe: Consider skb reserve space based on netdev of GID
  IB/mlx5: Add missing XRC options to QP optional params mask
  dwc2: gadget: Fix completed transfer size calculation in DDMA
  usb: gadget: fsl: fix link error against usb-gadget module
  ASoC: fix valid stream condition
  packet: in recvmsg msg_name return at least sizeof sockaddr_ll
  ARM: dts: logicpd-som-lv: Fix MMC1 card detect
  PCI: iproc: Enable iProc config read for PAXBv2
  netfilter: nft_flow_offload: add entry to flowtable after confirmation
  KVM: PPC: Book3S HV: Fix lockdep warning when entering the guest
  scsi: qla2xxx: Avoid that qlt_send_resp_ctio() corrupts memory
  scsi: qla2xxx: Fix error handling in qlt_alloc_qfull_cmd()
  scsi: qla2xxx: Fix a format specifier
  irqchip/gic-v3-its: fix some definitions of inner cacheability attributes
  s390/kexec_file: Fix potential segment overlap in ELF loader
  coresight: catu: fix clang build warning
  NFS: Don't interrupt file writeout due to fatal errors
  afs: Further fix file locking
  afs: Fix AFS file locking to allow fine grained locks
  ALSA: usb-audio: Handle the error from snd_usb_mixer_apply_create_quirk()
  dmaengine: axi-dmac: Don't check the number of frames for alignment
  6lowpan: Off by one handling ->nexthdr
  media: ov2659: fix unbalanced mutex_lock/unlock
  ARM: dts: ls1021: Fix SGMII PCS link remaining down after PHY disconnect
  powerpc: vdso: Make vdso32 installation conditional in vdso_install
  net: hns3: fix loop condition of hns3_get_tx_timeo_queue_info()
  selftests/ipc: Fix msgque compiler warnings
  usb: typec: tcpm: Notify the tcpc to start connection-detection for SRPs
  tipc: set sysctl_tipc_rmem and named_timeout right range
  platform/x86: alienware-wmi: fix kfree on potentially uninitialized pointer
  soc: amlogic: meson-gx-pwrc-vpu: Fix power on/off register bitmask
  PCI: dwc: Fix dw_pcie_ep_find_capability() to return correct capability offset
  staging: android: vsoc: fix copy_from_user overrun
  perf/core: Fix the address filtering fix
  hwmon: (w83627hf) Use request_muxed_region for Super-IO accesses
  net: hns3: fix for vport->bw_limit overflow problem
  PCI: rockchip: Fix rockchip_pcie_ep_assert_intx() bitwise operations
  ARM: pxa: ssp: Fix "WARNING: invalid free of devm_ allocated data"
  brcmfmac: fix leak of mypkt on error return path
  scsi: target/core: Fix a race condition in the LUN lookup code
  rxrpc: Fix detection of out of order acks
  firmware: arm_scmi: fix of_node leak in scmi_mailbox_check
  ACPI: button: reinitialize button state upon resume
  clk: qcom: Skip halt checks on gcc_pcie_0_pipe_clk for 8998
  net/sched: cbs: fix port_rate miscalculation
  of: use correct function prototype for of_overlay_fdt_apply()
  scsi: qla2xxx: Unregister chrdev if module initialization fails
  drm/vmwgfx: Remove set but not used variable 'restart'
  bpf: Add missed newline in verifier verbose log
  ehea: Fix a copy-paste err in ehea_init_port_res
  rtc: mt6397: Don't call irq_dispose_mapping.
  rtc: Fix timestamp value for RTC_TIMESTAMP_BEGIN_1900
  arm64/vdso: don't leak kernel addresses
  drm/fb-helper: generic: Call drm_client_add() after setup is done
  spi: bcm2835aux: fix driver to not allow 65535 (=-1) cs-gpios
  soc/fsl/qe: Fix an error code in qe_pin_request()
  bus: ti-sysc: Fix sysc_unprepare() when no clocks have been allocated
  spi: tegra114: configure dma burst size to fifo trig level
  spi: tegra114: flush fifos
  spi: tegra114: terminate dma and reset on transfer timeout
  spi: tegra114: fix for unpacked mode transfers
  spi: tegra114: clear packed bit for unpacked mode
  media: tw5864: Fix possible NULL pointer dereference in tw5864_handle_frame
  media: davinci-isif: avoid uninitialized variable use
  soc: qcom: cmd-db: Fix an error code in cmd_db_dev_probe()
  net: dsa: Avoid null pointer when failing to connect to PHY
  ARM: OMAP2+: Fix potentially uninitialized return value for _setup_reset()
  net: phy: don't clear BMCR in genphy_soft_reset
  ARM: dts: sun9i: optimus: Fix fixed-regulators
  arm64: dts: allwinner: a64: Add missing PIO clocks
  ARM: dts: sun8i: a33: Reintroduce default pinctrl muxing
  m68k: mac: Fix VIA timer counter accesses
  tipc: tipc clang warning
  jfs: fix bogus variable self-initialization
  crypto: ccree - reduce kernel stack usage with clang
  regulator: tps65086: Fix tps65086_ldoa1_ranges for selector 0xB
  media: cx23885: check allocation return
  media: wl128x: Fix an error code in fm_download_firmware()
  media: cx18: update *pos correctly in cx18_read_pos()
  media: ivtv: update *pos correctly in ivtv_read_pos()
  soc: amlogic: gx-socinfo: Add mask for each SoC packages
  regulator: lp87565: Fix missing register for LP87565_BUCK_0
  net: sh_eth: fix a missing check of of_get_phy_mode
  net/mlx5e: IPoIB, Fix RX checksum statistics update
  net/mlx5: Fix multiple updates of steering rules in parallel
  xen, cpu_hotplug: Prevent an out of bounds access
  drivers/rapidio/rio_cm.c: fix potential oops in riocm_ch_listen()
  nfp: fix simple vNIC mailbox length
  scsi: megaraid_sas: reduce module load time
  x86/mm: Remove unused variable 'cpu'
  nios2: ksyms: Add missing symbol exports
  PCI: Fix "try" semantics of bus and slot reset
  rbd: clear ->xferred on error from rbd_obj_issue_copyup()
  media: dvb/earth-pt1: fix wrong initialization for demod blocks
  powerpc/mm: Check secondary hash page table
  net: aquantia: fixed instack structure overflow
  NFSv4/flexfiles: Fix invalid deref in FF_LAYOUT_DEVID_NODE()
  NFS: Add missing encode / decode sequence_maxsz to v4.2 operations
  iommu/vt-d: Fix NULL pointer reference in intel_svm_bind_mm()
  hwrng: bcm2835 - fix probe as platform device
  net: sched: act_csum: Fix csum calc for tagged packets
  netfilter: nft_set_hash: bogus element self comparison from deactivation path
  netfilter: nft_set_hash: fix lookups with fixed size hash on big endian
  ath10k: Fix length of wmi tlv command for protected mgmt frames
  regulator: wm831x-dcdc: Fix list of wm831x_dcdc_ilim from mA to uA
  ARM: 8849/1: NOMMU: Fix encodings for PMSAv8's PRBAR4/PRLAR4
  ARM: 8848/1: virt: Align GIC version check with arm64 counterpart
  ARM: 8847/1: pm: fix HYP/SVC mode mismatch when MCPM is used
  iommu: Fix IOMMU debugfs fallout
  mmc: sdhci-brcmstb: handle mmc_of_parse() errors during probe
  NFS/pnfs: Bulk destroy of layouts needs to be safe w.r.t. umount
  platform/x86: wmi: fix potential null pointer dereference
  clocksource/drivers/exynos_mct: Fix error path in timer resources initialization
  clocksource/drivers/sun5i: Fail gracefully when clock rate is unavailable
  perf, pt, coresight: Fix address filters for vmas with non-zero offset
  perf: Copy parent's address filter offsets on clone
  NFS: Fix a soft lockup in the delegation recovery code
  powerpc/64s: Fix logic when handling unknown CPU features
  staging: rtlwifi: Use proper enum for return in halmac_parse_psd_data_88xx
  fs/nfs: Fix nfs_parse_devname to not modify it's argument
  net: dsa: fix unintended change of bridge interface STP state
  ASoC: qcom: Fix of-node refcount unbalance in apq8016_sbc_parse_of()
  driver core: Fix PM-runtime for links added during consumer probe
  drm/nouveau: fix missing break in switch statement
  drm/nouveau/pmu: don't print reply values if exec is false
  drm/nouveau/bios/ramcfg: fix missing parentheses when calculating RON
  net/mlx5: Delete unused FPGA QPN variable
  net: dsa: qca8k: Enable delay for RGMII_ID mode
  regulator: pv88090: Fix array out-of-bounds access
  regulator: pv88080: Fix array out-of-bounds access
  regulator: pv88060: Fix array out-of-bounds access
  brcmfmac: create debugfs files for bus-specific layer
  cdc-wdm: pass return value of recover_from_urb_loss
  dmaengine: mv_xor: Use correct device for DMA API
  staging: r8822be: check kzalloc return or bail
  KVM: PPC: Release all hardware TCE tables attached to a group
  mdio_bus: Fix PTR_ERR() usage after initialization to constant
  hwmon: (pmbus/tps53679) Fix driver info initialization in probe routine
  vfio_pci: Enable memory accesses before calling pci_map_rom
  media: sh: migor: Include missing dma-mapping header
  mt76: usb: fix possible memory leak in mt76u_buf_free
  net: dsa: b53: Do not program CPU port's PVID
  net: dsa: b53: Properly account for VLAN filtering
  net: dsa: b53: Fix default VLAN ID
  keys: Timestamp new keys
  block: don't use bio->bi_vcnt to figure out segment number
  usb: phy: twl6030-usb: fix possible use-after-free on remove
  PCI: endpoint: functions: Use memcpy_fromio()/memcpy_toio()
  driver core: Fix possible supplier PM-usage counter imbalance
  RDMA/mlx5: Fix memory leak in case we fail to add an IB device
  pinctrl: sh-pfc: sh73a0: Fix fsic_spdif pin groups
  pinctrl: sh-pfc: r8a7792: Fix vin1_data18_b pin group
  pinctrl: sh-pfc: r8a7791: Fix scifb2_data_c pin group
  pinctrl: sh-pfc: emev2: Add missing pinmux functions
  ntb_hw_switchtec: NT req id mapping table register entry number should be 512
  ntb_hw_switchtec: debug print 64bit aligned crosslink BAR Numbers
  drm/etnaviv: potential NULL dereference
  xsk: add missing smp_rmb() in xsk_mmap
  ipmi: kcs_bmc: handle devm_kasprintf() failure case
  iw_cxgb4: use tos when finding ipv6 routes
  iw_cxgb4: use tos when importing the endpoint
  fbdev: chipsfb: remove set but not used variable 'size'
  rtc: pm8xxx: fix unintended sign extension
  rtc: 88pm80x: fix unintended sign extension
  rtc: 88pm860x: fix unintended sign extension
  net/smc: original socket family in inet_sock_diag
  rtc: ds1307: rx8130: Fix alarm handling
  net: phy: fixed_phy: Fix fixed_phy not checking GPIO
  ath10k: fix dma unmap direction for management frames
  arm64: dts: msm8916: remove bogus argument to the cpu clock
  thermal: mediatek: fix register index error
  rtc: ds1672: fix unintended sign extension
  clk: ingenic: jz4740: Fix gating of UDC clock
  staging: most: cdev: add missing check for cdev_add failure
  iwlwifi: mvm: fix RSS config command
  drm/xen-front: Fix mmap attributes for display buffers
  ARM: dts: lpc32xx: phy3250: fix SD card regulator voltage
  ARM: dts: lpc32xx: fix ARM PrimeCell LCD controller clocks property
  ARM: dts: lpc32xx: fix ARM PrimeCell LCD controller variant
  ARM: dts: lpc32xx: reparent keypad controller to SIC1
  ARM: dts: lpc32xx: add required clocks property to keypad device node
  driver core: Do not call rpm_put_suppliers() in pm_runtime_drop_link()
  driver core: Fix handling of runtime PM flags in device_link_add()
  driver core: Do not resume suppliers under device_links_write_lock()
  driver core: Avoid careless re-use of existing device links
  driver core: Fix DL_FLAG_AUTOREMOVE_SUPPLIER device link flag handling
  crypto: crypto4xx - Fix wrong ppc4xx_trng_probe()/ppc4xx_trng_remove() arguments
  driver: uio: fix possible use-after-free in __uio_register_device
  driver: uio: fix possible memory leak in __uio_register_device
  tty: ipwireless: Fix potential NULL pointer dereference
  bus: ti-sysc: Fix timer handling with drop pm_runtime_irq_safe()
  iwlwifi: mvm: fix A-MPDU reference assignment
  arm64: dts: allwinner: h6: Move GIC device node fix base address ordering
  ip_tunnel: Fix route fl4 init in ip_md_tunnel_xmit
  net/mlx5: Take lock with IRQs disabled to avoid deadlock
  iwlwifi: mvm: avoid possible access out of array.
  clk: sunxi-ng: sun8i-a23: Enable PLL-MIPI LDOs when ungating it
  ARM: dts: sun8i-a23-a33: Move NAND controller device node to sort by address
  net: hns3: fix bug of ethtool_ops.get_channels for VF
  spi/topcliff_pch: Fix potential NULL dereference on allocation error
  rtc: cmos: ignore bogus century byte
  IB/mlx5: Don't override existing ip_protocol
  media: tw9910: Unregister subdevice with v4l2-async
  net: hns3: fix wrong combined count returned by ethtool -l
  IB/iser: Pass the correct number of entries for dma mapped SGL
  ASoC: imx-sgtl5000: put of nodes if finding codec fails
  crypto: tgr192 - fix unaligned memory access
  crypto: brcm - Fix some set-but-not-used warning
  kbuild: mark prepare0 as PHONY to fix external module build
  media: s5p-jpeg: Correct step and max values for V4L2_CID_JPEG_RESTART_INTERVAL
  drm/etnaviv: NULL vs IS_ERR() buf in etnaviv_core_dump()
  memory: tegra: Don't invoke Tegra30+ specific memory timing setup on Tegra20
  net: phy: micrel: set soft_reset callback to genphy_soft_reset for KSZ9031
  RDMA/iw_cxgb4: Fix the unchecked ep dereference
  spi: cadence: Correct initialisation of runtime PM
  arm64: dts: apq8016-sbc: Increase load on l11 for SDCARD
  drm/shmob: Fix return value check in shmob_drm_probe
  RDMA/qedr: Fix out of bounds index check in query pkey
  RDMA/ocrdma: Fix out of bounds index check in query pkey
  IB/usnic: Fix out of bounds index check in query pkey
  fork, memcg: fix cached_stacks case
  drm/fb-helper: generic: Fix setup error path
  drm/etnaviv: fix some off by one bugs
  ARM: dts: r8a7743: Remove generic compatible string from iic3
  drm: Fix error handling in drm_legacy_addctx
  remoteproc: qcom: q6v5-mss: Add missing regulator for MSM8996
  remoteproc: qcom: q6v5-mss: Add missing clocks for MSM8996
  arm64: defconfig: Re-enable bcm2835-thermal driver
  MIPS: BCM63XX: drop unused and broken DSP platform device
  clk: dove: fix refcount leak in dove_clk_init()
  clk: mv98dx3236: fix refcount leak in mv98dx3236_clk_init()
  clk: armada-xp: fix refcount leak in axp_clk_init()
  clk: kirkwood: fix refcount leak in kirkwood_clk_init()
  clk: armada-370: fix refcount leak in a370_clk_init()
  clk: vf610: fix refcount leak in vf610_clocks_init()
  clk: imx7d: fix refcount leak in imx7d_clocks_init()
  clk: imx6sx: fix refcount leak in imx6sx_clocks_init()
  clk: imx6q: fix refcount leak in imx6q_clocks_init()
  clk: samsung: exynos4: fix refcount leak in exynos4_get_xom()
  clk: socfpga: fix refcount leak
  clk: ti: fix refcount leak in ti_dt_clocks_register()
  clk: qoriq: fix refcount leak in clockgen_init()
  clk: highbank: fix refcount leak in hb_clk_init()
  fork,memcg: fix crash in free_thread_stack on memcg charge fail
  Input: nomadik-ske-keypad - fix a loop timeout test
  vxlan: changelink: Fix handling of default remotes
  net: hns3: fix error handling int the hns3_get_vector_ring_chain
  pinctrl: sh-pfc: sh7734: Remove bogus IPSR10 value
  pinctrl: sh-pfc: sh7269: Add missing PCIOR0 field
  pinctrl: sh-pfc: r8a77995: Remove bogus SEL_PWM[0-3]_3 configurations
  pinctrl: sh-pfc: sh7734: Add missing IPSR11 field
  pinctrl: sh-pfc: r8a77980: Add missing MOD_SEL0 field
  pinctrl: sh-pfc: r8a77970: Add missing MOD_SEL0 field
  pinctrl: sh-pfc: r8a7794: Remove bogus IPSR9 field
  pinctrl: sh-pfc: sh73a0: Add missing TO pin to tpu4_to3 group
  pinctrl: sh-pfc: r8a7791: Remove bogus marks from vin1_b_data18 group
  pinctrl: sh-pfc: r8a7791: Remove bogus ctrl marks from qspi_data4_b group
  pinctrl: sh-pfc: r8a7740: Add missing LCD0 marks to lcd0_data24_1 group
  pinctrl: sh-pfc: r8a7740: Add missing REF125CK pin to gether_gmii group
  ipv6: add missing tx timestamping on IPPROTO_RAW
  switchtec: Remove immediate status check after submitting MRPC command
  staging: bcm2835-camera: fix module autoloading
  staging: bcm2835-camera: Abort probe if there is no camera
  mailbox: ti-msgmgr: Off by one in ti_msgmgr_of_xlate()
  IB/rxe: Fix incorrect cache cleanup in error flow
  OPP: Fix missing debugfs supply directory for OPPs
  IB/hfi1: Correctly process FECN and BECN in packets
  net: phy: Fix not to call phy_resume() if PHY is not attached
  arm64: dts: renesas: r8a7795-es1: Add missing power domains to IPMMU nodes
  arm64: dts: meson-gx: Add hdmi_5v regulator as hdmi tx supply
  drm/dp_mst: Skip validating ports during destruction, just ref
  net: always initialize pagedlen
  drm: rcar-du: Fix vblank initialization
  drm: rcar-du: Fix the return value in case of error in 'rcar_du_crtc_set_crc_source()'
  exportfs: fix 'passing zero to ERR_PTR()' warning
  bus: ti-sysc: Add mcasp optional clocks flag
  pinctrl: meson-gxl: remove invalid GPIOX tsin_a pins
  ASoC: sun8i-codec: add missing route for ADC
  pcrypt: use format specifier in kobject_add
  ARM: dts: bcm283x: Correct mailbox register sizes
  ASoC: wm97xx: fix uninitialized regmap pointer problem
  NTB: ntb_hw_idt: replace IS_ERR_OR_NULL with regular NULL checks
  mlxsw: spectrum: Set minimum shaper on MC TCs
  mlxsw: reg: QEEC: Add minimum shaper fields
  net: hns3: add error handler for hns3_nic_init_vector_data()
  drm/sun4i: hdmi: Fix double flag assignation
  net: socionext: Add dummy PHY register read in phy_write()
  tipc: eliminate message disordering during binding table update
  powerpc/kgdb: add kgdb_arch_set/remove_breakpoint()
  netfilter: nf_flow_table: do not remove offload when other netns's interface is down
  RDMA/bnxt_re: Add missing spin lock initialization
  rtlwifi: rtl8821ae: replace _rtl8821ae_mrate_idx_to_arfr_id with generic version
  powerpc/pseries/memory-hotplug: Fix return value type of find_aa_index
  pwm: lpss: Release runtime-pm reference from the driver's remove callback
  netfilter: nft_osf: usage from output path is not valid
  staging: comedi: ni_mio_common: protect register write overflow
  iwlwifi: nvm: get num of hw addresses from firmware
  ALSA: usb-audio: update quirk for B&W PX to remove microphone
  of: Fix property name in of_node_get_device_type
  drm/msm: fix unsigned comparison with less than zero
  mei: replace POLL* with EPOLL* for write queues.
  cfg80211: regulatory: make initialization more robust
  usb: gadget: fsl_udc_core: check allocation return value and cleanup on failure
  usb: dwc3: add EXTCON dependency for qcom
  genirq/debugfs: Reinstate full OF path for domain name
  IB/hfi1: Add mtu check for operational data VLs
  IB/rxe: replace kvfree with vfree
  mailbox: mediatek: Add check for possible failure of kzalloc
  ASoC: wm9712: fix unused variable warning
  signal/ia64: Use the force_sig(SIGSEGV,...) in ia64_rt_sigreturn
  signal/ia64: Use the generic force_sigsegv in setup_frame
  drm/hisilicon: hibmc: Don't overwrite fb helper surface depth
  bridge: br_arp_nd_proxy: set icmp6_router if neigh has NTF_ROUTER
  PCI: iproc: Remove PAXC slot check to allow VF support
  firmware: coreboot: Let OF core populate platform device
  ARM: qcom_defconfig: Enable MAILBOX
  apparmor: don't try to replace stale label in ptrace access check
  ALSA: hda: fix unused variable warning
  apparmor: Fix network performance issue in aa_label_sk_perm
  iio: fix position relative kernel version
  drm/virtio: fix bounds check in virtio_gpu_cmd_get_capset()
  ixgbe: don't clear IPsec sa counters on HW clearing
  ARM: dts: at91: nattis: make the SD-card slot work
  ARM: dts: at91: nattis: set the PRLUD and HIPOW signals low
  drm/sti: do not remove the drm_bridge that was never added
  ipmi: Fix memory leak in __ipmi_bmc_register
  watchdog: sprd: Fix the incorrect pointer getting from driver data
  soc: aspeed: Fix snoop_file_poll()'s return type
  perf map: No need to adjust the long name of modules
  crypto: sun4i-ss - fix big endian issues
  mt7601u: fix bbp version check in mt7601u_wait_bbp_ready
  tipc: fix wrong timeout input for tipc_wait_for_cond()
  tipc: update mon's self addr when node addr generated
  powerpc/archrandom: fix arch_get_random_seed_int()
  powerpc/pseries: Enable support for ibm,drc-info property
  SUNRPC: Fix svcauth_gss_proxy_init()
  mfd: intel-lpss: Add default I2C device properties for Gemini Lake
  i2c: i2c-stm32f7: fix 10-bits check in slave free id search loop
  i2c: stm32f7: rework slave_id allocation
  xfs: Sanity check flags of Q_XQUOTARM call
  Revert "efi: Fix debugobjects warning on 'efi_rts_work'"
  FROMGIT: ext4: Add EXT4_IOC_FSGETXATTR/EXT4_IOC_FSSETXATTR to compat_ioctl.
  ANDROID: gki_defconfig: Set IKHEADERS back to =m
  ANDROID: gki_defconfig: enable NVDIMM/PMEM options
  UPSTREAM: virtio-pmem: Add virtio pmem driver
  UPSTREAM: libnvdimm: nd_region flush callback support
  UPSTREAM: libnvdimm/of_pmem: Provide a unique name for bus provider
  UPSTREAM: libnvdimm/of_pmem: Fix platform_no_drv_owner.cocci warnings
  ANDROID: x86: gki_defconfig: enable LTO and CFI
  ANDROID: x86: map CFI jump tables in pti_clone_entry_text
  ANDROID: BACKPORT: x86, module: Ignore __typeid__ relocations
  ANDROID: BACKPORT: x86, relocs: Ignore __typeid__ relocations
  ANDROID: BACKPORT: x86/extable: Do not mark exception callback as CFI
  FROMLIST: crypto, x86/sha: Eliminate casts on asm implementations
  UPSTREAM: crypto: x86 - Rename functions to avoid conflict with crypto/sha256.h
  UPSTREAM: x86/vmlinux: Actually use _etext for the end of the text segment
  ANDROID: update ABI following inline crypto changes
  ANDROID: gki_defconfig: enable dm-default-key
  ANDROID: dm: add dm-default-key target for metadata encryption
  ANDROID: dm: enable may_passthrough_inline_crypto on some targets
  ANDROID: dm: add support for passing through inline crypto support
  ANDROID: block: Introduce passthrough keyslot manager
  ANDROID: ext4, f2fs: enable direct I/O with inline encryption
  FROMLIST: scsi: ufs: add program_key() variant op
  ANDROID: block: export symbols needed for modules to use inline crypto
  ANDROID: block: fix some inline crypto bugs
  UPSTREAM: mm/page_io.c: annotate refault stalls from swap_readpage
  UPSTREAM: lib/test_meminit.c: add bulk alloc/free tests
  UPSTREAM: lib/test_meminit: add a kmem_cache_alloc_bulk() test
  UPSTREAM: mm/slub.c: init_on_free=1 should wipe freelist ptr for bulk allocations
  ANDROID: mm/cma.c: Export symbols
  ANDROID: gki_defconfig: Set CONFIG_ION=m
  ANDROID: lib/plist: Export symbol plist_add
  ANDROID: staging: android: ion: enable modularizing the ion driver
  Revert "ANDROID: security,perf: Allow further restriction of perf_event_open"
  ANDROID: selinux: modify RTM_GETLINK permission
  FROMLIST: security: selinux: allow per-file labelling for binderfs
  BACKPORT: tracing: Remove unnecessary DEBUG_FS dependency
  BACKPORT: debugfs: Fix !DEBUG_FS debugfs_create_automount
  ANDROID: update abi for 4.19.98
  Linux 4.19.98
  hwmon: (pmbus/ibm-cffps) Switch LEDs to blocking brightness call
  regulator: ab8500: Remove SYSCLKREQ from enum ab8505_regulator_id
  clk: sprd: Use IS_ERR() to validate the return value of syscon_regmap_lookup_by_phandle()
  perf probe: Fix wrong address verification
  scsi: core: scsi_trace: Use get_unaligned_be*()
  scsi: qla2xxx: fix rports not being mark as lost in sync fabric scan
  scsi: qla2xxx: Fix qla2x00_request_irqs() for MSI
  scsi: target: core: Fix a pr_debug() argument
  scsi: bnx2i: fix potential use after free
  scsi: qla4xxx: fix double free bug
  scsi: esas2r: unlock on error in esas2r_nvram_read_direct()
  reiserfs: fix handling of -EOPNOTSUPP in reiserfs_for_each_xattr
  drm/nouveau/mmu: qualify vmm during dtor
  drm/nouveau/bar/gf100: ensure BAR is mapped
  drm/nouveau/bar/nv50: check bar1 vmm return value
  mtd: devices: fix mchp23k256 read and write
  Revert "arm64: dts: juno: add dma-ranges property"
  arm64: dts: marvell: Fix CP110 NAND controller node multi-line comment alignment
  tick/sched: Annotate lockless access to last_jiffies_update
  cfg80211: check for set_wiphy_params
  arm64: dts: meson-gxl-s905x-khadas-vim: fix gpio-keys-polled node
  cw1200: Fix a signedness bug in cw1200_load_firmware()
  irqchip: Place CONFIG_SIFIVE_PLIC into the menu
  tcp: refine rule to allow EPOLLOUT generation under mem pressure
  xen/blkfront: Adjust indentation in xlvbd_alloc_gendisk
  mlxsw: spectrum_qdisc: Include MC TCs in Qdisc counters
  mlxsw: spectrum: Wipe xstats.backlog of down ports
  sh_eth: check sh_eth_cpu_data::dual_port when dumping registers
  tcp: fix marked lost packets not being retransmitted
  r8152: add missing endpoint sanity check
  ptp: free ptp device pin descriptors properly
  net/wan/fsl_ucc_hdlc: fix out of bounds write on array utdm_info
  net: usb: lan78xx: limit size of local TSO packets
  net: hns: fix soft lockup when there is not enough memory
  net: dsa: tag_qca: fix doubled Tx statistics
  hv_netvsc: Fix memory leak when removing rndis device
  macvlan: use skb_reset_mac_header() in macvlan_queue_xmit()
  batman-adv: Fix DAT candidate selection on little endian systems
  NFC: pn533: fix bulk-message timeout
  netfilter: nf_tables: fix flowtable list del corruption
  netfilter: nf_tables: store transaction list locally while requesting module
  netfilter: nf_tables: remove WARN and add NLA_STRING upper limits
  netfilter: nft_tunnel: fix null-attribute check
  netfilter: arp_tables: init netns pointer in xt_tgdtor_param struct
  netfilter: fix a use-after-free in mtype_destroy()
  cfg80211: fix page refcount issue in A-MSDU decap
  cfg80211: fix memory leak in cfg80211_cqm_rssi_update
  cfg80211: fix deadlocks in autodisconnect work
  bpf: Fix incorrect verifier simulation of ARSH under ALU32
  arm64: dts: agilex/stratix10: fix pmu interrupt numbers
  mm/huge_memory.c: thp: fix conflict of above-47bit hint address and PMD alignment
  mm/huge_memory.c: make __thp_get_unmapped_area static
  net: stmmac: Enable 16KB buffer size
  net: stmmac: 16KB buffer must be 16 byte aligned
  ARM: dts: imx7: Fix Toradex Colibri iMX7S 256MB NAND flash support
  ARM: dts: imx6q-icore-mipi: Use 1.5 version of i.Core MX6DL
  ARM: dts: imx6qdl: Add Engicam i.Core 1.5 MX6
  mm/page-writeback.c: avoid potential division by zero in wb_min_max_ratio()
  btrfs: fix memory leak in qgroup accounting
  btrfs: do not delete mismatched root refs
  btrfs: fix invalid removal of root ref
  btrfs: rework arguments of btrfs_unlink_subvol
  mm: memcg/slab: call flush_memcg_workqueue() only if memcg workqueue is valid
  mm/shmem.c: thp, shmem: fix conflict of above-47bit hint address and PMD alignment
  perf report: Fix incorrectly added dimensions as switch perf data file
  perf hists: Fix variable name's inconsistency in hists__for_each() macro
  x86/resctrl: Fix potential memory leak
  drm/i915: Add missing include file <linux/math64.h>
  x86/efistub: Disable paging at mixed mode entry
  x86/CPU/AMD: Ensure clearing of SME/SEV features is maintained
  x86/resctrl: Fix an imbalance in domain_remove_cpu()
  usb: core: hub: Improved device recognition on remote wakeup
  ptrace: reintroduce usage of subjective credentials in ptrace_has_cap()
  LSM: generalize flag passing to security_capable
  ARM: dts: am571x-idk: Fix gpios property to have the correct gpio number
  block: fix an integer overflow in logical block size
  Fix built-in early-load Intel microcode alignment
  arm64: dts: allwinner: a64: olinuxino: Fix SDIO supply regulator
  ALSA: usb-audio: fix sync-ep altsetting sanity check
  ALSA: seq: Fix racy access for queue timer in proc read
  ALSA: dice: fix fallback from protocol extension into limited functionality
  ARM: dts: imx6q-dhcom: Fix SGTL5000 VDDIO regulator connection
  ASoC: msm8916-wcd-analog: Fix MIC BIAS Internal1
  ASoC: msm8916-wcd-analog: Fix selected events for MIC BIAS External1
  scsi: mptfusion: Fix double fetch bug in ioctl
  scsi: fnic: fix invalid stack access
  USB: serial: quatech2: handle unbound ports
  USB: serial: keyspan: handle unbound ports
  USB: serial: io_edgeport: add missing active-port sanity check
  USB: serial: io_edgeport: handle unbound ports on URB completion
  USB: serial: ch341: handle unbound port at reset_resume
  USB: serial: suppress driver bind attributes
  USB: serial: option: add support for Quectel RM500Q in QDL mode
  USB: serial: opticon: fix control-message timeouts
  USB: serial: option: Add support for Quectel RM500Q
  USB: serial: simple: Add Motorola Solutions TETRA MTP3xxx and MTP85xx
  iio: buffer: align the size of scan bytes to size of the largest element
  ASoC: msm8916-wcd-digital: Reset RX interpolation path after use
  clk: Don't try to enable critical clocks if prepare failed
  ARM: dts: imx6q-dhcom: fix rtc compatible
  dt-bindings: reset: meson8b: fix duplicate reset IDs
  clk: qcom: gcc-sdm845: Add missing flag to votable GDSCs
  ARM: dts: meson8: fix the size of the PMU registers
  ANDROID: gki: Make GKI specific modules builtins
  ANDROID: fscrypt: add support for hardware-wrapped keys
  ANDROID: block: add KSM op to derive software secret from wrapped key
  ANDROID: block: provide key size as input to inline crypto APIs
  ANDROID: ufshcd-crypto: export cap find API
  ANDROID: build config for cuttlefish ramdisk
  ANDROID: Update ABI representation and whitelist
  Linux 4.19.97
  ocfs2: call journal flush to mark journal as empty after journal recovery when mount
  hexagon: work around compiler crash
  hexagon: parenthesize registers in asm predicates
  ioat: ioat_alloc_ring() failure handling.
  dmaengine: k3dma: Avoid null pointer traversal
  drm/arm/mali: make malidp_mw_connector_helper_funcs static
  MIPS: Prevent link failure with kcov instrumentation
  mips: cacheinfo: report shared CPU map
  rseq/selftests: Turn off timeout setting
  selftests: firmware: Fix it to do root uid check and skip
  scsi: libcxgbi: fix NULL pointer dereference in cxgbi_device_destroy()
  gpio: mpc8xxx: Add platform device to gpiochip->parent
  rtc: brcmstb-waketimer: add missed clk_disable_unprepare
  rtc: msm6242: Fix reading of 10-hour digit
  f2fs: fix potential overflow
  rtlwifi: Remove unnecessary NULL check in rtl_regd_init
  spi: atmel: fix handling of cs_change set on non-last xfer
  mtd: spi-nor: fix silent truncation in spi_nor_read_raw()
  mtd: spi-nor: fix silent truncation in spi_nor_read()
  iommu/mediatek: Correct the flush_iotlb_all callback
  media: exynos4-is: Fix recursive locking in isp_video_release()
  media: v4l: cadence: Fix how unsued lanes are handled in 'csi2rx_start()'
  media: rcar-vin: Fix incorrect return statement in rvin_try_format()
  media: ov6650: Fix .get_fmt() V4L2_SUBDEV_FORMAT_TRY support
  media: ov6650: Fix some format attributes not under control
  media: ov6650: Fix incorrect use of JPEG colorspace
  tty: serial: pch_uart: correct usage of dma_unmap_sg
  tty: serial: imx: use the sg count from dma_map_sg
  powerpc/powernv: Disable native PCIe port management
  PCI/PTM: Remove spurious "d" from granularity message
  PCI: dwc: Fix find_next_bit() usage
  compat_ioctl: handle SIOCOUTQNSD
  af_unix: add compat_ioctl support
  arm64: dts: apq8096-db820c: Increase load on l21 for SDCARD
  scsi: sd: enable compat ioctls for sed-opal
  pinctrl: lewisburg: Update pin list according to v1.1v6
  pinctl: ti: iodelay: fix error checking on pinctrl_count_index_with_args call
  clk: samsung: exynos5420: Preserve CPU clocks configuration during suspend/resume
  mei: fix modalias documentation
  iio: imu: adis16480: assign bias value only if operation succeeded
  NFSv4.x: Drop the slot if nfs4_delegreturn_prepare waits for layoutreturn
  NFSv2: Fix a typo in encode_sattr()
  crypto: virtio - implement missing support for output IVs
  xprtrdma: Fix completion wait during device removal
  platform/x86: GPD pocket fan: Use default values when wrong modparams are given
  platform/x86: asus-wmi: Fix keyboard brightness cannot be set to 0
  scsi: sd: Clear sdkp->protection_type if disk is reformatted without PI
  scsi: enclosure: Fix stale device oops with hot replug
  RDMA/srpt: Report the SCSI residual to the initiator
  RDMA/mlx5: Return proper error value
  btrfs: simplify inode locking for RWF_NOWAIT
  drm/ttm: fix incrementing the page pointer for huge pages
  drm/ttm: fix start page for huge page check in ttm_put_pages()
  afs: Fix missing cell comparison in afs_test_super()
  cifs: Adjust indentation in smb2_open_file
  s390/qeth: Fix vnicc_is_in_use if rx_bcast not set
  s390/qeth: fix false reporting of VNIC CHAR config failure
  hsr: reset network header when supervision frame is created
  gpio: Fix error message on out-of-range GPIO in lookup table
  iommu: Remove device link to group on failure
  gpio: zynq: Fix for bug in zynq_gpio_restore_context API
  mtd: onenand: omap2: Pass correct flags for prep_dma_memcpy
  ASoC: stm32: spdifrx: fix race condition in irq handler
  ASoC: stm32: spdifrx: fix inconsistent lock state
  ASoC: soc-core: Set dpcm_playback / dpcm_capture
  RDMA/bnxt_re: Fix Send Work Entry state check while polling completions
  RDMA/bnxt_re: Avoid freeing MR resources if dereg fails
  rtc: mt6397: fix alarm register overwrite
  drm/i915: Fix use-after-free when destroying GEM context
  dccp: Fix memleak in __feat_register_sp
  RDMA: Fix goto target to release the allocated memory
  iwlwifi: pcie: fix memory leaks in iwl_pcie_ctxt_info_gen3_init
  iwlwifi: dbg_ini: fix memory leak in alloc_sgtable
  media: usb:zr364xx:Fix KASAN:null-ptr-deref Read in zr364xx_vidioc_querycap
  f2fs: check if file namelen exceeds max value
  f2fs: check memory boundary by insane namelen
  f2fs: Move err variable to function scope in f2fs_fill_dentries()
  mac80211: Do not send Layer 2 Update frame before authorization
  cfg80211/mac80211: make ieee80211_send_layer2_update a public function
  fs/select: avoid clang stack usage warning
  ethtool: reduce stack usage with clang
  HID: hidraw, uhid: Always report EPOLLOUT
  HID: hidraw: Fix returning EPOLLOUT from hidraw_poll
  hidraw: Return EPOLLOUT from hidraw_poll
  ANDROID: update ABI whitelist
  ANDROID: update kernel ABI for CONFIG_DUMMY
  GKI: enable CONFIG_DUMMY=y
  UPSTREAM: kcov: fix struct layout for kcov_remote_arg
  UPSTREAM: vhost, kcov: collect coverage from vhost_worker
  UPSTREAM: usb, kcov: collect coverage from hub_event
  ANDROID: update kernel ABI for kcov changes
  UPSTREAM: kcov: remote coverage support
  UPSTREAM: kcov: improve CONFIG_ARCH_HAS_KCOV help text
  UPSTREAM: kcov: convert kcov.refcount to refcount_t
  UPSTREAM: kcov: no need to check return value of debugfs_create functions
  GKI: enable CONFIG_NETFILTER_XT_MATCH_QUOTA2_LOG=y
  Linux 4.19.96
  drm/i915/gen9: Clear residual context state on context switch
  netfilter: ipset: avoid null deref when IPSET_ATTR_LINENO is present
  netfilter: conntrack: dccp, sctp: handle null timeout argument
  netfilter: arp_tables: init netns pointer in xt_tgchk_param struct
  phy: cpcap-usb: Fix flakey host idling and enumerating of devices
  phy: cpcap-usb: Fix error path when no host driver is loaded
  USB: Fix: Don't skip endpoint descriptors with maxpacket=0
  HID: hiddev: fix mess in hiddev_open()
  ath10k: fix memory leak
  rtl8xxxu: prevent leaking urb
  scsi: bfa: release allocated memory in case of error
  mwifiex: pcie: Fix memory leak in mwifiex_pcie_alloc_cmdrsp_buf
  mwifiex: fix possible heap overflow in mwifiex_process_country_ie()
  tty: always relink the port
  tty: link tty and port before configuring it as console
  serdev: Don't claim unsupported ACPI serial devices
  staging: rtl8188eu: Add device code for TP-Link TL-WN727N v5.21
  staging: comedi: adv_pci1710: fix AI channels 16-31 for PCI-1713
  usb: musb: dma: Correct parameter passed to IRQ handler
  usb: musb: Disable pullup at init
  usb: musb: fix idling for suspend after disconnect interrupt
  USB: serial: option: add ZLP support for 0x1bc7/0x9010
  staging: vt6656: set usb_set_intfdata on driver fail.
  gpiolib: acpi: Add honor_wakeup module-option + quirk mechanism
  gpiolib: acpi: Turn dmi_system_id table into a generic quirk table
  can: can_dropped_invalid_skb(): ensure an initialized headroom in outgoing CAN sk_buffs
  can: mscan: mscan_rx_poll(): fix rx path lockup when returning from polling to irq mode
  can: gs_usb: gs_usb_probe(): use descriptors of current altsetting
  can: kvaser_usb: fix interface sanity check
  drm/dp_mst: correct the shifting in DP_REMOTE_I2C_READ
  drm/fb-helper: Round up bits_per_pixel if possible
  drm/sun4i: tcon: Set RGB DCLK min. divider based on hardware model
  Input: input_event - fix struct padding on sparc64
  Input: add safety guards to input_set_keycode()
  HID: hid-input: clear unmapped usages
  HID: uhid: Fix returning EPOLLOUT from uhid_char_poll
  HID: Fix slab-out-of-bounds read in hid_field_extract
  tracing: Change offset type to s32 in preempt/irq tracepoints
  tracing: Have stack tracer compile when MCOUNT_INSN_SIZE is not defined
  kernel/trace: Fix do not unregister tracepoints when register sched_migrate_task fail
  ALSA: hda/realtek - Add quirk for the bass speaker on Lenovo Yoga X1 7th gen
  ALSA: hda/realtek - Set EAPD control to default for ALC222
  ALSA: hda/realtek - Add new codec supported for ALCS1200A
  ALSA: usb-audio: Apply the sample rate quirk for Bose Companion 5
  usb: chipidea: host: Disable port power only if previously enabled
  i2c: fix bus recovery stop mode timing
  chardev: Avoid potential use-after-free in 'chrdev_open()'
  ANDROID: Enable HID_STEAM, HID_SONY, JOYSTICK_XPAD as y
  ANDROID: gki_defconfig: Enable blk-crypto fallback
  BACKPORT: FROMLIST: Update Inline Encryption from v5 to v6 of patch series
  docs: fs-verity: mention statx() support
  f2fs: support STATX_ATTR_VERITY
  ext4: support STATX_ATTR_VERITY
  statx: define STATX_ATTR_VERITY
  docs: fs-verity: document first supported kernel version
  f2fs: add support for IV_INO_LBLK_64 encryption policies
  ext4: add support for IV_INO_LBLK_64 encryption policies
  fscrypt: add support for IV_INO_LBLK_64 policies
  fscrypt: avoid data race on fscrypt_mode::logged_impl_name
  fscrypt: zeroize fscrypt_info before freeing
  fscrypt: remove struct fscrypt_ctx
  fscrypt: invoke crypto API for ESSIV handling

Conflicts:
	Documentation/devicetree/bindings
	Documentation/devicetree/bindings/bus/ti-sysc.txt
	Documentation/devicetree/bindings/thermal/thermal.txt
	Documentation/sysctl/vm.txt
	arch/arm64/mm/mmu.c
	block/blk-crypto-fallback.c
	block/blk-merge.c
	block/keyslot-manager.c
	drivers/char/Kconfig
	drivers/clk/qcom/clk-rcg2.c
	drivers/gpio/gpiolib.c
	drivers/hid/hid-quirks.c
	drivers/irqchip/Kconfig
	drivers/md/Kconfig
	drivers/md/dm-default-key.c
	drivers/md/dm.c
	drivers/nvmem/core.c
	drivers/of/Kconfig
	drivers/of/fdt.c
	drivers/of/irq.c
	drivers/scsi/ufs/ufshcd-crypto.c
	drivers/scsi/ufs/ufshcd.c
	drivers/scsi/ufs/ufshcd.h
	drivers/scsi/ufs/ufshci.h
	drivers/usb/dwc3/gadget.c
	drivers/usb/gadget/composite.c
	drivers/usb/gadget/function/f_fs.c
	fs/crypto/bio.c
	fs/crypto/fname.c
	fs/crypto/fscrypt_private.h
	fs/crypto/keyring.c
	fs/crypto/keysetup.c
	fs/f2fs/data.c
	fs/f2fs/file.c
	include/crypto/skcipher.h
	include/linux/gfp.h
	include/linux/keyslot-manager.h
	include/linux/of_fdt.h
	include/sound/soc.h
	kernel/sched/cpufreq_schedutil.c
	kernel/sched/fair.c
	kernel/sched/psi.c
	kernel/sched/rt.c
	kernel/sched/sched.h
	kernel/sched/topology.c
	kernel/sched/tune.h
	kernel/sysctl.c
	mm/compaction.c
	mm/page_alloc.c
	mm/vmscan.c
	security/commoncap.c
	security/selinux/avc.c

Change-Id: I9a08175c4892e533ecde8da847f75dc4874b303a
Signed-off-by: Ivaylo Georgiev <irgeorgiev@codeaurora.org>
 2020-05-28 18:06:23 +05:30
Todd Kjos
64b698c15a UPSTREAM: binder: fix incorrect calculation for num_valid 
commit 16981742717b04644a41052570fb502682a315d2 upstream.

For BINDER_TYPE_PTR and BINDER_TYPE_FDA transactions, the
num_valid local was calculated incorrectly causing the
range check in binder_validate_ptr() to miss out-of-bounds
offsets.

Fixes: bde4a19fc04f ("binder: use userspace pointer as base of buffer space")
Change-Id: Ida77db13d8e5b726f0b14513f55c2b30277338cd
Signed-off-by: Todd Kjos <tkjos@google.com>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20191213202531.55010-1-tkjos@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Bug: 145988638
Signed-off-by: Todd Kjos <tkjos@google.com>
 2019-12-18 19:49:13 +00:00
Greg Kroah-Hartman
e5312e5d68 Merge 4.19.89 into android-4.19 
Changes in 4.19.89
	rsi: release skb if rsi_prepare_beacon fails
	arm64: tegra: Fix 'active-low' warning for Jetson TX1 regulator
	sparc64: implement ioremap_uc
	lp: fix sparc64 LPSETTIMEOUT ioctl
	usb: gadget: u_serial: add missing port entry locking
	tty: serial: fsl_lpuart: use the sg count from dma_map_sg
	tty: serial: msm_serial: Fix flow control
	serial: pl011: Fix DMA ->flush_buffer()
	serial: serial_core: Perform NULL checks for break_ctl ops
	serial: ifx6x60: add missed pm_runtime_disable
	autofs: fix a leak in autofs_expire_indirect()
	RDMA/hns: Correct the value of HNS_ROCE_HEM_CHUNK_LEN
	iwlwifi: pcie: don't consider IV len in A-MSDU
	exportfs_decode_fh(): negative pinned may become positive without the parent locked
	audit_get_nd(): don't unlock parent too early
	NFC: nxp-nci: Fix NULL pointer dereference after I2C communication error
	xfrm: release device reference for invalid state
	Input: cyttsp4_core - fix use after free bug
	sched/core: Avoid spurious lock dependencies
	perf/core: Consistently fail fork on allocation failures
	ALSA: pcm: Fix stream lock usage in snd_pcm_period_elapsed()
	drm/sun4i: tcon: Set min division of TCON0_DCLK to 1.
	selftests: kvm: fix build with glibc >= 2.30
	rsxx: add missed destroy_workqueue calls in remove
	net: ep93xx_eth: fix mismatch of request_mem_region in remove
	i2c: core: fix use after free in of_i2c_notify
	serial: core: Allow processing sysrq at port unlock time
	cxgb4vf: fix memleak in mac_hlist initialization
	iwlwifi: mvm: synchronize TID queue removal
	iwlwifi: trans: Clear persistence bit when starting the FW
	iwlwifi: mvm: Send non offchannel traffic via AP sta
	ARM: 8813/1: Make aligned 2-byte getuser()/putuser() atomic on ARMv6+
	audit: Embed key into chunk
	netfilter: nf_tables: don't use position attribute on rule replacement
	ARC: IOC: panic if kernel was started with previously enabled IOC
	net/mlx5: Release resource on error flow
	clk: sunxi-ng: a64: Fix gate bit of DSI DPHY
	ice: Fix NVM mask defines
	dlm: fix possible call to kfree() for non-initialized pointer
	ARM: dts: exynos: Fix LDO13 min values on Odroid XU3/XU4/HC1
	extcon: max8997: Fix lack of path setting in USB device mode
	net: ethernet: ti: cpts: correct debug for expired txq skb
	rtc: s3c-rtc: Avoid using broken ALMYEAR register
	rtc: max77686: Fix the returned value in case of error in 'max77686_rtc_read_time()'
	i40e: don't restart nway if autoneg not supported
	virtchnl: Fix off by one error
	clk: rockchip: fix rk3188 sclk_smc gate data
	clk: rockchip: fix rk3188 sclk_mac_lbtest parameter ordering
	ARM: dts: rockchip: Fix rk3288-rock2 vcc_flash name
	dlm: fix missing idr_destroy for recover_idr
	MIPS: SiByte: Enable ZONE_DMA32 for LittleSur
	net: dsa: mv88e6xxx: Work around mv886e6161 SERDES missing MII_PHYSID2
	scsi: zfcp: update kernel message for invalid FCP_CMND length, it's not the CDB
	scsi: zfcp: drop default switch case which might paper over missing case
	drivers: soc: Allow building the amlogic drivers without ARCH_MESON
	bus: ti-sysc: Fix getting optional clocks in clock_roles
	ARM: dts: imx6: RDU2: fix eGalax touchscreen node
	crypto: ecc - check for invalid values in the key verification test
	crypto: bcm - fix normal/non key hash algorithm failure
	arm64: dts: zynqmp: Fix node names which contain "_"
	pinctrl: qcom: ssbi-gpio: fix gpio-hog related boot issues
	Staging: iio: adt7316: Fix i2c data reading, set the data field
	firmware: raspberrypi: Fix firmware calls with large buffers
	mm/vmstat.c: fix NUMA statistics updates
	clk: rockchip: fix I2S1 clock gate register for rk3328
	clk: rockchip: fix ID of 8ch clock of I2S1 for rk3328
	sctp: count sk_wmem_alloc by skb truesize in sctp_packet_transmit
	regulator: Fix return value of _set_load() stub
	USB: serial: f81534: fix reading old/new IC config
	xfs: extent shifting doesn't fully invalidate page cache
	net-next/hinic:fix a bug in set mac address
	net-next/hinic: fix a bug in rx data flow
	ice: Fix return value from NAPI poll
	ice: Fix possible NULL pointer de-reference
	iomap: FUA is wrong for DIO O_DSYNC writes into unwritten extents
	iomap: sub-block dio needs to zeroout beyond EOF
	iomap: dio data corruption and spurious errors when pipes fill
	iomap: readpages doesn't zero page tail beyond EOF
	iw_cxgb4: only reconnect with MPAv1 if the peer aborts
	MIPS: OCTEON: octeon-platform: fix typing
	net/smc: use after free fix in smc_wr_tx_put_slot()
	math-emu/soft-fp.h: (_FP_ROUND_ZERO) cast 0 to void to fix warning
	nds32: Fix the items of hwcap_str ordering issue.
	rtc: max8997: Fix the returned value in case of error in 'max8997_rtc_read_alarm()'
	rtc: dt-binding: abx80x: fix resistance scale
	ARM: dts: exynos: Use Samsung SoC specific compatible for DWC2 module
	media: coda: fix memory corruption in case more than 32 instances are opened
	media: pulse8-cec: return 0 when invalidating the logical address
	media: cec: report Vendor ID after initialization
	iwlwifi: fix cfg structs for 22000 with different RF modules
	ravb: Clean up duplex handling
	net/ipv6: re-do dad when interface has IFF_NOARP flag change
	dmaengine: coh901318: Fix a double-lock bug
	dmaengine: coh901318: Remove unused variable
	dmaengine: dw-dmac: implement dma protection control setting
	net: qualcomm: rmnet: move null check on dev before dereferecing it
	selftests/powerpc: Allocate base registers
	selftests/powerpc: Skip test instead of failing
	usb: dwc3: debugfs: Properly print/set link state for HS
	usb: dwc3: don't log probe deferrals; but do log other error codes
	ACPI: fix acpi_find_child_device() invocation in acpi_preset_companion()
	f2fs: fix to account preflush command for noflush_merge mode
	f2fs: fix count of seg_freed to make sec_freed correct
	f2fs: change segment to section in f2fs_ioc_gc_range
	ARM: dts: rockchip: Fix the PMU interrupt number for rv1108
	ARM: dts: rockchip: Assign the proper GPIO clocks for rv1108
	f2fs: fix to allow node segment for GC by ioctl path
	sparc: Fix JIT fused branch convergance.
	sparc: Correct ctx->saw_frame_pointer logic.
	nvme: Free ctrl device name on init failure
	dma-mapping: fix return type of dma_set_max_seg_size()
	slimbus: ngd: Fix build error on x86
	altera-stapl: check for a null key before strcasecmp'ing it
	serial: imx: fix error handling in console_setup
	i2c: imx: don't print error message on probe defer
	clk: meson: Fix GXL HDMI PLL fractional bits width
	gpu: host1x: Fix syncpoint ID field size on Tegra186
	lockd: fix decoding of TEST results
	sctp: increase sk_wmem_alloc when head->truesize is increased
	iommu/amd: Fix line-break in error log reporting
	ASoC: rsnd: tidyup registering method for rsnd_kctrl_new()
	ARM: dts: sun4i: Fix gpio-keys warning
	ARM: dts: sun4i: Fix HDMI output DTC warning
	ARM: dts: sun5i: a10s: Fix HDMI output DTC warning
	ARM: dts: r8a779[01]: Disable unconnected LVDS encoders
	ARM: dts: sun7i: Fix HDMI output DTC warning
	ARM: dts: sun8i: a23/a33: Fix OPP DTC warnings
	ARM: dts: sun8i: v3s: Change pinctrl nodes to avoid warning
	dlm: NULL check before kmem_cache_destroy is not needed
	ARM: debug: enable UART1 for socfpga Cyclone5
	can: xilinx: fix return type of ndo_start_xmit function
	nfsd: fix a warning in __cld_pipe_upcall()
	bpf: btf: implement btf_name_valid_identifier()
	bpf: btf: check name validity for various types
	tools: bpftool: fix a bitfield pretty print issue
	ASoC: au8540: use 64-bit arithmetic instead of 32-bit
	ARM: OMAP1/2: fix SoC name printing
	arm64: dts: meson-gxl-libretech-cc: fix GPIO lines names
	arm64: dts: meson-gxbb-nanopi-k2: fix GPIO lines names
	arm64: dts: meson-gxbb-odroidc2: fix GPIO lines names
	arm64: dts: meson-gxl-khadas-vim: fix GPIO lines names
	net/x25: fix called/calling length calculation in x25_parse_address_block
	net/x25: fix null_x25_address handling
	tools/bpf: make libbpf _GNU_SOURCE friendly
	clk: mediatek: Drop __init from mtk_clk_register_cpumuxes()
	clk: mediatek: Drop more __init markings for driver probe
	soc: renesas: r8a77970-sysc: Correct names of A2DP/A2CN power domains
	soc: renesas: r8a77980-sysc: Correct names of A2DP[01] power domains
	soc: renesas: r8a77980-sysc: Correct A3VIP[012] power domain hierarchy
	kbuild: disable dtc simple_bus_reg warnings by default
	tcp: make tcp_space() aware of socket backlog
	ARM: dts: mmp2: fix the gpio interrupt cell number
	ARM: dts: realview-pbx: Fix duplicate regulator nodes
	tcp: fix off-by-one bug on aborting window-probing socket
	tcp: fix SNMP under-estimation on failed retransmission
	tcp: fix SNMP TCP timeout under-estimation
	modpost: skip ELF local symbols during section mismatch check
	kbuild: fix single target build for external module
	mtd: fix mtd_oobavail() incoherent returned value
	ARM: dts: pxa: clean up USB controller nodes
	clk: meson: meson8b: fix the offset of vid_pll_dco's N value
	clk: sunxi-ng: h3/h5: Fix CSI_MCLK parent
	clk: qcom: Fix MSM8998 resets
	media: cxd2880-spi: fix probe when dvb_attach fails
	ARM: dts: realview: Fix some more duplicate regulator nodes
	dlm: fix invalid cluster name warning
	net/mlx4_core: Fix return codes of unsupported operations
	pstore/ram: Avoid NULL deref in ftrace merging failure path
	powerpc/math-emu: Update macros from GCC
	clk: renesas: r8a77990: Correct parent clock of DU
	clk: renesas: r8a77995: Correct parent clock of DU
	MIPS: OCTEON: cvmx_pko_mem_debug8: use oldest forward compatible definition
	nfsd: Return EPERM, not EACCES, in some SETATTR cases
	media: uvcvideo: Abstract streaming object lifetime
	tty: serial: qcom_geni_serial: Fix softlock
	ARM: dts: sun8i: h3: Fix the system-control register range
	tty: Don't block on IO when ldisc change is pending
	media: stkwebcam: Bugfix for wrong return values
	firmware: qcom: scm: fix compilation error when disabled
	clk: qcom: gcc-msm8998: Disable halt check of UFS clocks
	sctp: frag_point sanity check
	soc: renesas: r8a77990-sysc: Fix initialization order of 3DG-{A,B}
	mlxsw: spectrum_router: Relax GRE decap matching check
	IB/hfi1: Ignore LNI errors before DC8051 transitions to Polling state
	IB/hfi1: Close VNIC sdma_progress sleep window
	mlx4: Use snprintf instead of complicated strcpy
	usb: mtu3: fix dbginfo in qmu_tx_zlp_error_handler
	clk: renesas: rcar-gen3: Set state when registering SD clocks
	ASoC: max9867: Fix power management
	ARM: dts: sunxi: Fix PMU compatible strings
	ARM: dts: am335x-pdu001: Fix polarity of card detection input
	media: vimc: fix start stream when link is disabled
	net: aquantia: fix RSS table and key sizes
	sched/fair: Scale bandwidth quota and period without losing quota/period ratio precision
	fuse: verify nlink
	fuse: verify attributes
	ALSA: hda/realtek - Enable internal speaker of ASUS UX431FLC
	ALSA: hda/realtek - Enable the headset-mic on a Xiaomi's laptop
	ALSA: hda/realtek - Dell headphone has noise on unmute for ALC236
	ALSA: pcm: oss: Avoid potential buffer overflows
	ALSA: hda - Add mute led support for HP ProBook 645 G4
	Input: synaptics - switch another X1 Carbon 6 to RMI/SMbus
	Input: synaptics-rmi4 - re-enable IRQs in f34v7_do_reflash
	Input: synaptics-rmi4 - don't increment rmiaddr for SMBus transfers
	Input: goodix - add upside-down quirk for Teclast X89 tablet
	coresight: etm4x: Fix input validation for sysfs.
	Input: Fix memory leak in psxpad_spi_probe
	x86/mm/32: Sync only to VMALLOC_END in vmalloc_sync_all()
	x86/PCI: Avoid AMD FCH XHCI USB PME# from D0 defect
	xfrm interface: fix memory leak on creation
	xfrm interface: avoid corruption on changelink
	xfrm interface: fix list corruption for x-netns
	xfrm interface: fix management of phydev
	CIFS: Fix NULL-pointer dereference in smb2_push_mandatory_locks
	CIFS: Fix SMB2 oplock break processing
	tty: vt: keyboard: reject invalid keycodes
	can: slcan: Fix use-after-free Read in slcan_open
	kernfs: fix ino wrap-around detection
	jbd2: Fix possible overflow in jbd2_log_space_left()
	drm/msm: fix memleak on release
	drm/i810: Prevent underflow in ioctl
	arm64: dts: exynos: Revert "Remove unneeded address space mapping for soc node"
	KVM: arm/arm64: vgic: Don't rely on the wrong pending table
	KVM: x86: do not modify masked bits of shared MSRs
	KVM: x86: fix presentation of TSX feature in ARCH_CAPABILITIES
	KVM: x86: Grab KVM's srcu lock when setting nested state
	crypto: crypto4xx - fix double-free in crypto4xx_destroy_sdr
	crypto: atmel-aes - Fix IV handling when req->nbytes < ivsize
	crypto: af_alg - cast ki_complete ternary op to int
	crypto: ccp - fix uninitialized list head
	crypto: ecdh - fix big endian bug in ECC library
	crypto: user - fix memory leak in crypto_report
	spi: atmel: Fix CS high support
	mwifiex: update set_mac_address logic
	can: ucan: fix non-atomic allocation in completion handler
	RDMA/qib: Validate ->show()/store() callbacks before calling them
	iomap: Fix pipe page leakage during splicing
	thermal: Fix deadlock in thermal thermal_zone_device_check
	vcs: prevent write access to vcsu devices
	binder: Fix race between mmap() and binder_alloc_print_pages()
	binder: Handle start==NULL in binder_update_page_range()
	ALSA: hda - Fix pending unsol events at shutdown
	md/raid0: Fix an error message in raid0_make_request()
	watchdog: aspeed: Fix clock behaviour for ast2600
	perf script: Fix invalid LBR/binary mismatch error
	splice: don't read more than available pipe space
	iomap: partially revert 4721a601099 (simulated directio short read on EFAULT)
	xfs: add missing error check in xfs_prepare_shift()
	ASoC: rsnd: fixup MIX kctrl registration
	KVM: x86: fix out-of-bounds write in KVM_GET_EMULATED_CPUID (CVE-2019-19332)
	net: qrtr: fix memort leak in qrtr_tun_write_iter
	appletalk: Fix potential NULL pointer dereference in unregister_snap_client
	appletalk: Set error code if register_snap_client failed
	Linux 4.19.89

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Ie3fa59adde9a7e9a6d4684de0e95de14a8b83d0b
 2019-12-13 10:01:10 +01:00
Jann Horn
af0174a63c binder: Handle start==NULL in binder_update_page_range() 
commit 2a9edd056ed4fbf9d2e797c3fc06335af35bccc4 upstream.

The old loop wouldn't stop when reaching `start` if `start==NULL`, instead
continuing backwards to index -1 and crashing.

Luckily you need to be highly privileged to map things at NULL, so it's not
a big problem.

Fix it by adjusting the loop so that the loop variable is always in bounds.

This patch is deliberately minimal to simplify backporting, but IMO this
function could use a refactor. The jump labels in the second loop body are
horrible (the error gotos should be jumping to free_range instead), and
both loops would look nicer if they just iterated upwards through indices.
And the up_read()+mmput() shouldn't be duplicated like that.

Cc: stable@vger.kernel.org
Fixes: 457b9a6f09 ("Staging: android: add binder driver")
Signed-off-by: Jann Horn <jannh@google.com>
Acked-by: Christian Brauner <christian.brauner@ubuntu.com>
Link: https://lore.kernel.org/r/20191018205631.248274-3-jannh@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2019-12-13 08:52:52 +01:00
Jann Horn
fe0d31eddb binder: Fix race between mmap() and binder_alloc_print_pages() 
commit 8eb52a1ee37aafd9b796713aa0b3ab9cbc455be3 upstream.

binder_alloc_print_pages() iterates over
alloc->pages[0..alloc->buffer_size-1] under alloc->mutex.
binder_alloc_mmap_handler() writes alloc->pages and alloc->buffer_size
without holding that lock, and even writes them before the last bailout
point.

Unfortunately we can't take the alloc->mutex in the ->mmap() handler
because mmap_sem can be taken while alloc->mutex is held.
So instead, we have to locklessly check whether the binder_alloc has been
fully initialized with binder_alloc_get_vma(), like in
binder_alloc_new_buf_locked().

Fixes: 8ef4665aa1 ("android: binder: Add page usage in binder stats")
Cc: stable@vger.kernel.org
Signed-off-by: Jann Horn <jannh@google.com>
Acked-by: Christian Brauner <christian.brauner@ubuntu.com>
Link: https://lore.kernel.org/r/20191018205631.248274-1-jannh@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2019-12-13 08:52:51 +01:00
Hridya Valsaraju
725ce554a4 UPSTREAM: binder: Add binder_proc logging to binderfs 
Currently /sys/kernel/debug/binder/proc contains
the debug data for every binder_proc instance.
This patch makes this information also available
in a binderfs instance mounted with a mount option
"stats=global" in addition to debugfs. The patch does
not affect the presence of the file in debugfs.

If a binderfs instance is mounted at path /dev/binderfs,
this file would be present at /dev/binderfs/binder_logs/proc.
This change provides an alternate way to access this file when debugfs
is not mounted.

Acked-by: Christian Brauner <christian.brauner@ubuntu.com>
Signed-off-by: Hridya Valsaraju <hridya@google.com>
Link: https://lore.kernel.org/r/20190903161655.107408-5-hridya@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Bug: 136497735
(cherry picked from commit 4feb80faf428a02d407a9ea1952004af01308765)
Change-Id: I3aa974979f2d4aebbe79ea9df30ede2813826157
 2019-12-08 21:46:53 -08:00
Hridya Valsaraju
ce106a8de6 UPSTREAM: binder: Make transaction_log available in binderfs 
Currently, the binder transaction log files 'transaction_log'
and 'failed_transaction_log' live in debugfs at the following locations:

/sys/kernel/debug/binder/failed_transaction_log
/sys/kernel/debug/binder/transaction_log

This patch makes these files also available in a binderfs instance
mounted with the mount option "stats=global".
It does not affect the presence of these files in debugfs.
If a binderfs instance is mounted at path /dev/binderfs, the location of
these files will be as follows:

/dev/binderfs/binder_logs/failed_transaction_log
/dev/binderfs/binder_logs/transaction_log

This change provides an alternate option to access these files when
debugfs is not mounted.

Acked-by: Christian Brauner <christian.brauner@ubuntu.com>
Signed-off-by: Hridya Valsaraju <hridya@google.com>
Link: https://lore.kernel.org/r/20190903161655.107408-4-hridya@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Bug: 136497735
(cherry picked from commit c31e73121f4c1ec41143423ac6ce3ce6dafdcec1)
Change-Id: I20d9e6c4c7115297f9740cc42a516c315b3a209e
 2019-12-08 21:46:47 -08:00
Hridya Valsaraju
7aeb384a5f UPSTREAM: binder: Add stats, state and transactions files 
The following binder stat files currently live in debugfs.

/sys/kernel/debug/binder/state
/sys/kernel/debug/binder/stats
/sys/kernel/debug/binder/transactions

This patch makes these files available in a binderfs instance
mounted with the mount option 'stats=global'. For example, if a binderfs
instance is mounted at path /dev/binderfs, the above files will be
available at the following locations:

/dev/binderfs/binder_logs/state
/dev/binderfs/binder_logs/stats
/dev/binderfs/binder_logs/transactions

This provides a way to access them even when debugfs is not mounted.

Acked-by: Christian Brauner <christian.brauner@ubuntu.com>
Signed-off-by: Hridya Valsaraju <hridya@google.com>
Acked-by: Christian Brauner <christian.brauner@ubuntu.com>
Link: https://lore.kernel.org/r/20190903161655.107408-3-hridya@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Bug: 136497735
(cherry picked from commit 0e13e452dafc009049a9a5a4153e2f9e51b23915)
Change-Id: Ieeb666a719fb3195133403054de7b103a358e1ae
 2019-12-08 21:46:40 -08:00
Hridya Valsaraju
2c164059d0 UPSTREAM: binder: add a mount option to show global stats 
Currently, all binder state and statistics live in debugfs.
We need this information even when debugfs is not mounted.
This patch adds the mount option 'stats' to enable a binderfs
instance to have binder debug information present in the same.
'stats=global' will enable the global binder statistics. In
the future, 'stats=local' will enable binder statistics local
to the binderfs instance. The two modes 'global' and 'local'
will be mutually exclusive. 'stats=global' option is only available
for a binderfs instance mounted in the initial user namespace.
An attempt to use the option to mount a binderfs instance in
another user namespace will return an EPERM error.

Signed-off-by: Hridya Valsaraju <hridya@google.com>
Acked-by: Christian Brauner <christian.brauner@ubuntu.com>
Link: https://lore.kernel.org/r/20190903161655.107408-2-hridya@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Bug: 136497735
(cherry picked from commit f00834518ed3194b866f5f3d63b71e0ed7f6bc00)
Change-Id: I4c9da221e7e19729a6489436ffa6233864eac4f7
 2019-12-08 21:46:35 -08:00
Hridya Valsaraju
b8387dee32 UPSTREAM: binder: Validate the default binderfs device names. 
Length of a binderfs device name cannot exceed BINDERFS_MAX_NAME.
This patch adds a check in binderfs_init() to ensure the same
for the default binder devices that will be created in every
binderfs instance.

Co-developed-by: Christian Brauner <christian.brauner@ubuntu.com>
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
Signed-off-by: Hridya Valsaraju <hridya@google.com>
Reviewed-by: Joel Fernandes (Google) <joel@joelfernandes.org>
Signed-off-by: Hridya Valsaraju <hridya@google.com>

Bug: 136497735
(cherry picked from commit 028fb5822b76bc2e095b5c145d7bd263878d9e27)
Change-Id: I347a427690ae35c792ce15afc90151937b879ef7
 2019-12-08 21:46:28 -08:00
Hridya Valsaraju
5d46bcfa79 UPSTREAM: binder: Add default binder devices through binderfs when configured 
Currently, since each binderfs instance needs its own
private binder devices, every time a binderfs instance is
mounted, all the default binder devices need to be created
via the BINDER_CTL_ADD IOCTL. This patch aims to
add a solution to automatically create the default binder
devices for each binderfs instance that gets mounted.
To achieve this goal, when CONFIG_ANDROID_BINDERFS is set,
the default binder devices specified by CONFIG_ANDROID_BINDER_DEVICES
are created in each binderfs instance instead of global devices
being created by the binder driver.

Co-developed-by: Christian Brauner <christian.brauner@ubuntu.com>
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
Signed-off-by: Hridya Valsaraju <hridya@google.com>
Reviewed-by: Joel Fernandes (Google) <joel@joelfernandes.org>
Reviewed-by: Joel Fernandes (Google) <joel@joelfernandes.org>

Bug: 136497735
(cherry picked from commit ca2864c6e8965c37df97f11e6f99e83e09806b1c)
Change-Id: I4f6c5d95997ffd3df182d6ec32d467b15d1f0c42
Signed-off-by: Hridya Valsaraju <hridya@google.com>
 2019-12-08 21:46:21 -08:00
Christian Brauner
c30322673b UPSTREAM: binder: fix CONFIG_ANDROID_BINDER_DEVICES 
Several users have tried to only rely on binderfs to provide binder devices
and set CONFIG_ANDROID_BINDER_DEVICES="" empty. This is a great use-case of
binderfs and one that was always intended to work. However, this is
currently not possible since setting CONFIG_ANDROID_BINDER_DEVICES="" emtpy
will simply panic the kernel:

kobject: (00000000028c2f79): attempted to be registered with empty name!
WARNING: CPU: 7 PID: 1703 at lib/kobject.c:228 kobject_add_internal+0x288/0x2b0
Modules linked in: binder_linux(+) bridge stp llc ipmi_ssif gpio_ich dcdbas coretemp kvm_intel kvm irqbypass serio_raw input_leds lpc_ich i5100_edac mac_hid ipmi_si ipmi_devintf ipmi_msghandler sch_fq_codel ib_i
CPU: 7 PID: 1703 Comm: modprobe Not tainted 5.0.0-rc2-brauner-binderfs #263
Hardware name: Dell      DCS XS24-SC2          /XS24-SC2              , BIOS S59_3C20 04/07/2011
RIP: 0010:kobject_add_internal+0x288/0x2b0
Code: 12 95 48 c7 c7 78 63 3b 95 e8 77 35 71 ff e9 91 fe ff ff 0f 0b eb a7 0f 0b eb 9a 48 89 de 48 c7 c7 00 63 3b 95 e8 f8 95 6a ff <0f> 0b 41 bc ea ff ff ff e9 6d fe ff ff 41 bc fe ff ff ff e9 62 fe
RSP: 0018:ffff973f84237a30 EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffff8b53e2472010 RCX: 0000000000000006
RDX: 0000000000000007 RSI: 0000000000000086 RDI: ffff8b53edbd63a0
RBP: ffff973f84237a60 R08: 0000000000000342 R09: 0000000000000004
R10: ffff973f84237af0 R11: 0000000000000001 R12: 0000000000000000
R13: ffff8b53e9f1a1e0 R14: 00000000e9f1a1e0 R15: 0000000000a00037
FS:  00007fbac36f7540(0000) GS:ffff8b53edbc0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbac364cfa7 CR3: 00000004a6d48000 CR4: 00000000000406e0
Call Trace:
 kobject_add+0x71/0xd0
 ? _cond_resched+0x19/0x40
 ? mutex_lock+0x12/0x40
 device_add+0x12e/0x6b0
 device_create_groups_vargs+0xe4/0xf0
 device_create_with_groups+0x3f/0x60
 ? _cond_resched+0x19/0x40
 misc_register+0x140/0x180
 binder_init+0x1ed/0x2d4 [binder_linux]
 ? trace_event_define_fields_binder_transaction_fd_send+0x8e/0x8e [binder_linux]
 do_one_initcall+0x4a/0x1c9
 ? _cond_resched+0x19/0x40
 ? kmem_cache_alloc_trace+0x151/0x1c0
 do_init_module+0x5f/0x216
 load_module+0x223d/0x2b20
 __do_sys_finit_module+0xfc/0x120
 ? __do_sys_finit_module+0xfc/0x120
 __x64_sys_finit_module+0x1a/0x20
 do_syscall_64+0x5a/0x120
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7fbac3202839
Code: 00 f3 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 1f f6 2c 00 f7 d8 64 89 01 48
RSP: 002b:00007ffd1494a908 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
RAX: ffffffffffffffda RBX: 000055b629ebec60 RCX: 00007fbac3202839
RDX: 0000000000000000 RSI: 000055b629c20d2e RDI: 0000000000000003
RBP: 000055b629c20d2e R08: 0000000000000000 R09: 000055b629ec2310
R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000
R13: 000055b629ebed70 R14: 0000000000040000 R15: 000055b629ebec60

So check for the empty string since strsep() will otherwise return the
emtpy string which will cause kobject_add_internal() to panic when trying
to add a kobject with an emtpy name.

Fixes: ac4812c5ff ("binder: Support multiple /dev instances")
Cc: Martijn Coenen <maco@google.com>
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
Acked-by: Todd Kjos <tkjos@google.com>

Bug: 136497735
(cherry picked from commit 793c8232937610ae00bc174b87d7fc324346eaea)
Change-Id: I2ad3e2370596ced6ab2b2b197421182f9f9485e7
Signed-off-by: Hridya Valsaraju <hridya@google.com>
 2019-12-08 21:45:58 -08:00
Rasmus Villemoes
760b8036e6 UPSTREAM: android: binder: use kstrdup instead of open-coding it 
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>

Bug: 136497735
Change-Id: I545073facdb76ea12accfc7bfa4738f2e3bf0b28
(cherry picked from commit 6b6642dadd685af885367d6e30f18553e2a23b22)
Signed-off-by: Hridya Valsaraju <hridya@google.com>
 2019-12-08 21:45:48 -08:00
Christian Brauner
8d0719a920 UPSTREAM: binderfs: remove separate device_initcall() 
binderfs should not have a separate device_initcall(). When a kernel is
compiled with CONFIG_ANDROID_BINDERFS register the filesystem alongside
CONFIG_ANDROID_IPC. This use-case is especially sensible when users specify
CONFIG_ANDROID_IPC=y, CONFIG_ANDROID_BINDERFS=y and
ANDROID_BINDER_DEVICES="".
When CONFIG_ANDROID_BINDERFS=n then this always succeeds so there's no
regression potential for legacy workloads.

Signed-off-by: Christian Brauner <christian@brauner.io>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Bug: 136497735
(cherry picked from commit 5b9633af298bfd1de650f6774d3fada546543101)
Change-Id: I91892655d9d36df5218189f7874312eec7ae3c46
Signed-off-by: Hridya Valsaraju <hridya@google.com>
 2019-12-08 21:45:36 -08:00
Christian Brauner
7654fff18f UPSTREAM: binderfs: respect limit on binder control creation 
We currently adhere to the reserved devices limit when creating new
binderfs devices in binderfs instances not located in the inital ipc
namespace. But it is still possible to rob the host instances of their 4
reserved devices by creating the maximum allowed number of devices in a
single binderfs instance located in a non-initial ipc namespace and then
mounting 4 separate binderfs instances in non-initial ipc namespaces. That
happens because the limit is currently not respected for the creation of
the initial binder-control device node. Block this nonsense by performing
the same check in binderfs_binder_ctl_create() that we perform in
binderfs_binder_device_create().

Fixes: 36bdf3cae09d ("binderfs: reserve devices for initial mount")
Signed-off-by: Christian Brauner <christian@brauner.io>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Bug: 136497735
(cherry picked from commit da8ddba566ff0a883237dbc8c5dadef1ca769e19)
Change-Id: I7e170260ce79fc23a034ce75450d58ff39a7b902
Signed-off-by: Hridya Valsaraju <hridya@google.com>
 2019-12-08 21:45:24 -08:00
Christian Brauner
0c11523bd0 UPSTREAM: binderfs: switch from d_add() to d_instantiate() 
In a previous commit we switched from a d_alloc_name() + d_lookup()
combination to setup a new dentry and find potential duplicates to the more
idiomatic lookup_one_len(). As far as I understand, this also means we need
to switch from d_add() to d_instantiate() since lookup_one_len() will
create a new dentry when it doesn't find an existing one and add the new
dentry to the hash queues. So we only need to call d_instantiate() to
connect the dentry to the inode and turn it into a positive dentry.

If we were to use d_add() we sure see stack traces like the following
indicating that adding the same dentry twice over the same inode:

[  744.441889] CPU: 4 PID: 2849 Comm: landscape-sysin Not tainted 5.0.0-rc1-brauner-binderfs #243
[  744.441889] Hardware name: Dell      DCS XS24-SC2          /XS24-SC2              , BIOS S59_3C20 04/07/2011
[  744.441889] RIP: 0010:__d_lookup_rcu+0x76/0x190
[  744.441889] Code: 89 75 c0 49 c1 e9 20 49 89 fd 45 89 ce 41 83 e6 07 42 8d 04 f5 00 00 00 00 89 45 c8 eb 0c 48 8b 1b 48 85 db 0f 84 81 00 00 00 <44> 8b 63 fc 4c 3b 6b 10 75 ea 48 83 7b 08 00 74 e3 41 83 e4 fe 41
[  744.441889] RSP: 0018:ffffb8c984e27ad0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  744.441889] RAX: 0000000000000038 RBX: ffff9407ef770c08 RCX: ffffb8c980011000
[  744.441889] RDX: ffffb8c984e27b54 RSI: ffffb8c984e27ce0 RDI: ffff9407e6689600
[  744.441889] RBP: ffffb8c984e27b28 R08: ffffb8c984e27ba4 R09: 0000000000000007
[  744.441889] R10: ffff9407e5c4f05c R11: 973f3eb9d84a94e5 R12: 0000000000000002
[  744.441889] R13: ffff9407e6689600 R14: 0000000000000007 R15: 00000007bfef7a13
[  744.441889] FS:  00007f0db13bb740(0000) GS:ffff9407f3b00000(0000) knlGS:0000000000000000
[  744.441889] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  744.441889] CR2: 00007f0dacc51024 CR3: 000000032961a000 CR4: 00000000000006e0
[  744.441889] Call Trace:
[  744.441889]  lookup_fast+0x53/0x300
[  744.441889]  walk_component+0x49/0x350
[  744.441889]  ? inode_permission+0x63/0x1a0
[  744.441889]  link_path_walk.part.33+0x1bc/0x5a0
[  744.441889]  ? path_init+0x190/0x310
[  744.441889]  path_lookupat+0x95/0x210
[  744.441889]  filename_lookup+0xb6/0x190
[  744.441889]  ? __check_object_size+0xb8/0x1b0
[  744.441889]  ? strncpy_from_user+0x50/0x1a0
[  744.441889]  user_path_at_empty+0x36/0x40
[  744.441889]  ? user_path_at_empty+0x36/0x40
[  744.441889]  vfs_statx+0x76/0xe0
[  744.441889]  __do_sys_newstat+0x3d/0x70
[  744.441889]  __x64_sys_newstat+0x16/0x20
[  744.441889]  do_syscall_64+0x5a/0x120
[  744.441889]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  744.441889] RIP: 0033:0x7f0db0ec2775
[  744.441889] Code: 00 00 00 75 05 48 83 c4 18 c3 e8 26 55 02 00 66 0f 1f 44 00 00 83 ff 01 48 89 f0 77 30 48 89 c7 48 89 d6 b8 04 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 03 f3 c3 90 48 8b 15 e1 b6 2d 00 f7 d8 64 89
[  744.441889] RSP: 002b:00007ffc36bc9388 EFLAGS: 00000246 ORIG_RAX: 0000000000000004
[  744.441889] RAX: ffffffffffffffda RBX: 00007ffc36bc9300 RCX: 00007f0db0ec2775
[  744.441889] RDX: 00007ffc36bc9400 RSI: 00007ffc36bc9400 RDI: 00007f0dad26f050
[  744.441889] RBP: 0000000000c0bc60 R08: 0000000000000000 R09: 0000000000000001
[  744.441889] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc36bc9400
[  744.441889] R13: 0000000000000001 R14: 00000000ffffff9c R15: 0000000000c0bc60

Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Christian Brauner <christian@brauner.io>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Bug: 136497735
(cherry picked from commit 01684db950ea2b840531ab9298a8785776b6f6e8)
Change-Id: I5e7cd8df8210943ee59e1297f2eb8f81f5fa2cb5
Signed-off-by: Hridya Valsaraju <hridya@google.com>
 2019-12-08 21:45:10 -08:00
Christian Brauner
2cb9e4c1f1 UPSTREAM: binderfs: drop lock in binderfs_binder_ctl_create 
The binderfs_binder_ctl_create() call is a no-op on subsequent calls and
the first call is done before we unlock the suberblock. Hence, there is no
need to take inode_lock() in there. Let's remove it.

Suggested-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Christian Brauner <christian@brauner.io>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Bug: 136497735
(cherry picked from commit 29ef1c8e16aed079ac09989d752e38d412b6e1a8)
Change-Id: I7c294796ac7891f62387e09dc34332ca4c3ee67b
Signed-off-by: Hridya Valsaraju <hridya@google.com>
 2019-12-08 21:45:00 -08:00
Christian Brauner
dd9111f9a9 UPSTREAM: binderfs: kill_litter_super() before cleanup 
Al pointed out that first calling kill_litter_super() before cleaning up
info is more correct since destroying info doesn't depend on the state of
the dentries and inodes. That the opposite remains true is not guaranteed.

Suggested-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Christian Brauner <christian@brauner.io>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Bug: 136497735
(cherry picked from commit 4198479524aeccaf53c3a4cc73784982535573fa)
Change-Id: Ie2dfc2c2f17dde25b4215853b05fa8f21fb6b298
Signed-off-by: Hridya Valsaraju <hridya@google.com>
 2019-12-08 21:44:47 -08:00
Christian Brauner
87c091ea68 UPSTREAM: binderfs: rework binderfs_binder_device_create() 
- switch from d_alloc_name() + d_lookup() to lookup_one_len():
  Instead of using d_alloc_name() and then doing a d_lookup() with the
  allocated dentry to find whether a device with the name we're trying to
  create already exists switch to using lookup_one_len().  The latter will
  either return the existing dentry or a new one.

- switch from kmalloc() + strscpy() to kmemdup():
  Use a more idiomatic way to copy the name for the new dentry that
  userspace gave us.

Suggested-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Christian Brauner <christian@brauner.io>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Bug: 136497735
(cherry picked from commit 01b3f1fc568352a1ffdcd3ee82a0297f16cc9bd9)
Change-Id: I993a7dfa2f48bc6deb305852ff4085dc8dcaae4d
Signed-off-by: Hridya Valsaraju <hridya@google.com>
 2019-12-08 21:44:33 -08:00
Christian Brauner
34ffb8ef8e UPSTREAM: binderfs: rework binderfs_fill_super() 
Al pointed out that on binderfs_fill_super() error
deactivate_locked_super() will call binderfs_kill_super() so all of the
freeing and putting we currently do in binderfs_fill_super() is unnecessary
and buggy. Let's simply return errors and let binderfs_fill_super() take
care of cleaning up on error.

Suggested-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Christian Brauner <christian@brauner.io>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Bug: 136497735
(cherry picked from commit 36975fc3e5f241cc4f45df4ab4624d7d5199d9ed)
Change-Id: I89cac3746d67638901e554c3ede6c0f2931e67d4
Signed-off-by: Hridya Valsaraju <hridya@google.com>
 2019-12-08 21:43:56 -08:00
Christian Brauner
65d2e4cb02 UPSTREAM: binderfs: prevent renaming the control dentry 
- make binderfs control dentry immutable:
  We don't allow to unlink it since it is crucial for binderfs to be
  useable but if we allow to rename it we make the unlink trivial to
  bypass. So prevent renaming too and simply treat the control dentry as
  immutable.

- add is_binderfs_control_device() helper:
  Take the opportunity and turn the check for the control dentry into a
  separate helper is_binderfs_control_device() since it's now used in two
  places.

- simplify binderfs_rename():
  Instead of hand-rolling our custom version of simple_rename() just dumb
  the whole function down to first check whether we're trying to rename the
  control dentry. If we do EPERM the caller and if not call simple_rename().

Suggested-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Christian Brauner <christian@brauner.io>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Bug: 136497735
(cherry picked from commit e98e6fa18636609f14a7f866524950a783cf4fbf)
Change-Id: I44e49a144b624c360ab8a277970625c64511da15
Signed-off-by: Hridya Valsaraju <hridya@google.com>
 2019-12-08 21:43:43 -08:00
Christian Brauner
d1531c57b4 UPSTREAM: binderfs: remove outdated comment 
The comment stems from an early version of that patchset and is just
confusing now.

Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Christian Brauner <christian@brauner.io>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Bug: 136497735
(cherry picked from commit 7c4d08fc4d5aca073bd4ebecbb9eda5e4d858b71)
Change-Id: I8d5376e217763d7a6203a54516d4220ccdbe268d
Signed-off-by: Hridya Valsaraju <hridya@google.com>
 2019-12-08 21:43:31 -08:00
Wei Yongjun
01408afb08 UPSTREAM: binderfs: fix error return code in binderfs_fill_super() 
Fix to return a negative error code -ENOMEM from the new_inode() and
d_make_root() error handling cases instead of 0, as done elsewhere in
this function.

Fixes: 849d540ddfcd ("binderfs: implement "max" mount option")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Reviewed-by: Christian Brauner <christian@brauner.io>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Bug: 136497735
(cherry picked from commit 7e7ca7744a539f1a172e3b81c29d000787e3d774)
Change-Id: If9d120c4abdbc0d5528c85d2515a9d5e40addfdc
Signed-off-by: Hridya Valsaraju <hridya@google.com>
 2019-12-08 21:43:19 -08:00
Christian Brauner
2e2d87cd43 UPSTREAM: binderfs: handle !CONFIG_IPC_NS builds 
kbuild reported a build faile in [1]. This is triggered when CONFIG_IPC_NS
is not set. So let's make the use of init_ipc_ns conditional on
CONFIG_IPC_NS being set.

[1]: https://lists.01.org/pipermail/kbuild-all/2019-January/056903.html

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Bug: 136497735
(cherry picked from commit 7fefaadd6a962987baac50e7b3c4c3d5ef9b55c6)
Change-Id: I97b0a7a13a82d79d97fe340d4267795e4e6442c7
Signed-off-by: Hridya Valsaraju <hridya@google.com>
 2019-12-08 21:43:06 -08:00
Christian Brauner
cbfaab8aa3 UPSTREAM: binderfs: reserve devices for initial mount 
The binderfs instance in the initial ipc namespace will always have a
reserve of 4 binder devices unless explicitly capped by specifying a lower
value via the "max" mount option.
This ensures when binder devices are removed (on accident or on purpose)
they can always be recreated without risking that all minor numbers have
already been used up.

Cc: Todd Kjos <tkjos@google.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Bug: 136497735
(cherry picked from commit 36bdf3cae09df891b191f3955c8e54a2e05d67d0)
Change-Id: I001f305659c37e3b631696712332ae2e21464be8
Signed-off-by: Hridya Valsaraju <hridya@google.com>
 2019-12-08 21:42:50 -08:00
Christian Brauner
a482713b5a UPSTREAM: binderfs: rename header to binderfs.h 
It doesn't make sense to call the header binder_ctl.h when its sole
existence is tied to binderfs. So give it a sensible name. Users will far
more easily remember binderfs.h than binder_ctl.h.

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Bug: 136497735
(cherry picked from commit c13295ad219d8bb0e47942d4cfc8251de449a67e)
Change-Id: Ide6275bbbaec2e25df19e11754afb7f1827888b2
Signed-off-by: Hridya Valsaraju <hridya@google.com>
 2019-12-08 21:42:38 -08:00
Christian Brauner
0489f7830a UPSTREAM: binderfs: implement "max" mount option 
Since binderfs can be mounted by userns root in non-initial user namespaces
some precautions are in order. First, a way to set a maximum on the number
of binder devices that can be allocated per binderfs instance and second, a
way to reserve a reasonable chunk of binderfs devices for the initial ipc
namespace.
A first approach as seen in [1] used sysctls similiar to devpts but was
shown to be flawed (cf. [2] and [3]) since some aspects were unneeded. This
is an alternative approach which avoids sysctls completely and instead
switches to a single mount option.

Starting with this commit binderfs instances can be mounted with a limit on
the number of binder devices that can be allocated. The max=<count> mount
option serves as a per-instance limit. If max=<count> is set then only
<count> number of binder devices can be allocated in this binderfs
instance.

This allows to safely bind-mount binderfs instances into unprivileged user
namespaces since userns root in a non-initial user namespace cannot change
the mount option as long as it does not own the mount namespace the
binderfs mount was created in and hence cannot drain the host of minor
device numbers

[1]: https://lore.kernel.org/lkml/20181221133909.18794-1-christian@brauner.io/
[2]; https://lore.kernel.org/lkml/20181221163316.GA8517@kroah.com/
[3]: https://lore.kernel.org/lkml/CAHRSSEx+gDVW4fKKK8oZNAir9G5icJLyodO8hykv3O0O1jt2FQ@mail.gmail.com/
[4]: https://lore.kernel.org/lkml/20181221192044.5yvfnuri7gdop4rs@brauner.io/

Cc: Todd Kjos <tkjos@google.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Bug: 136497735
(cherry picked from commit 849d540ddfcd4f232f3b2cf40a2e07eccbd6212c)
Change-Id: Idfc17f9570d165b05779d0bfdb782117beb9c44e
Signed-off-by: Hridya Valsaraju <hridya@google.com>
 2019-12-08 21:42:21 -08:00
Christian Brauner
dfddd4455e UPSTREAM: binderfs: make each binderfs mount a new instance 
When currently mounting binderfs in the same ipc namespace twice:

mount -t binder binder /A
mount -t binder binder /B

then the binderfs instances mounted on /A and /B will be the same, i.e.
they will have the same superblock. This was the first approach that seemed
reasonable. However, this leads to some problems and inconsistencies:

/* private binderfs instance in same ipc namespace */
There is no way for a user to request a private binderfs instance in the
same ipc namespace.
This request has been made in a private mail to me by two independent
people.

/* bind-mounts */
If users want the same binderfs instance to appear in multiple places they
can use bind mounts. So there is no value in having a request for a new
binderfs mount giving them the same instance.

/* unexpected behavior */
It's surprising that request to mount binderfs is not giving the user a new
instance like tmpfs, devpts, ramfs, and others do.

/* past mistakes */
Other pseudo-filesystems once made the same mistakes of giving back the
same superblock when actually requesting a new mount (cf. devpts's
deprecated "newinstance" option).
We should not make the same mistake. Once we've committed to always giving
back the same superblock in the same IPC namespace with the next kernel
release we will not be able to make that change so better to do it now.

/* kdbusfs */
It was pointed out to me that kdbusfs - which is conceptually closely
related to binderfs - also allowed users to get a private kdbusfs instance
in the same IPC namespace by making each mount of kdbusfs a separate
instance. I think that makes a lot of sense.

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Bug: 136497735
(cherry picked from commit b6c770d7c9dc7185b17d53a9d5ca1278c182d6fa)
Change-Id: I7e341524f625802429f89966d9edf9cab9ca59f3
Signed-off-by: Hridya Valsaraju <hridya@google.com>
 2019-12-08 21:42:05 -08:00
Christian Brauner
69f53873ae UPSTREAM: binderfs: remove wrong kern_mount() call 
The binderfs filesystem never needs to be mounted by the kernel itself.
This is conceptually wrong and should never have been done in the first
place.

Fixes: 3ad20fe393b ("binder: implement binderfs")
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Bug: 136497735
(cherry picked from commit fdd94acd50d607cf6a971455307e711fd8ee16e)
Change-Id: Ife722830ecb64ab75ccdd012043864ae1b10d792
Signed-off-by: Hridya Valsaraju <hridya@google.com>
 2019-12-08 21:41:53 -08:00
Christian Brauner
3492afe5d5 UPSTREAM: binder: implement binderfs 
As discussed at Linux Plumbers Conference 2018 in Vancouver [1] this is the
implementation of binderfs.

/* Abstract */
binderfs is a backwards-compatible filesystem for Android's binder ipc
mechanism. Each ipc namespace will mount a new binderfs instance. Mounting
binderfs multiple times at different locations in the same ipc namespace
will not cause a new super block to be allocated and hence it will be the
same filesystem instance.
Each new binderfs mount will have its own set of binder devices only
visible in the ipc namespace it has been mounted in. All devices in a new
binderfs mount will follow the scheme binder%d and numbering will always
start at 0.

/* Backwards compatibility */
Devices requested in the Kconfig via CONFIG_ANDROID_BINDER_DEVICES for the
initial ipc namespace will work as before. They will be registered via
misc_register() and appear in the devtmpfs mount. Specifically, the
standard devices binder, hwbinder, and vndbinder will all appear in their
standard locations in /dev. Mounting or unmounting the binderfs mount in
the initial ipc namespace will have no effect on these devices, i.e. they
will neither show up in the binderfs mount nor will they disappear when the
binderfs mount is gone.

/* binder-control */
Each new binderfs instance comes with a binder-control device. No other
devices will be present at first. The binder-control device can be used to
dynamically allocate binder devices. All requests operate on the binderfs
mount the binder-control device resides in.
Assuming a new instance of binderfs has been mounted at /dev/binderfs
via mount -t binderfs binderfs /dev/binderfs. Then a request to create a
new binder device can be made as illustrated in [2].
Binderfs devices can simply be removed via unlink().

/* Implementation details */
- dynamic major number allocation:
  When binderfs is registered as a new filesystem it will dynamically
  allocate a new major number. The allocated major number will be returned
  in struct binderfs_device when a new binder device is allocated.
- global minor number tracking:
  Minor are tracked in a global idr struct that is capped at
  BINDERFS_MAX_MINOR. The minor number tracker is protected by a global
  mutex. This is the only point of contention between binderfs mounts.
- struct binderfs_info:
  Each binderfs super block has its own struct binderfs_info that tracks
  specific details about a binderfs instance:
  - ipc namespace
  - dentry of the binder-control device
  - root uid and root gid of the user namespace the binderfs instance
    was mounted in
- mountable by user namespace root:
  binderfs can be mounted by user namespace root in a non-initial user
  namespace. The devices will be owned by user namespace root.
- binderfs binder devices without misc infrastructure:
  New binder devices associated with a binderfs mount do not use the
  full misc_register() infrastructure.
  The misc_register() infrastructure can only create new devices in the
  host's devtmpfs mount. binderfs does however only make devices appear
  under its own mountpoint and thus allocates new character device nodes
  from the inode of the root dentry of the super block. This will have
  the side-effect that binderfs specific device nodes do not appear in
  sysfs. This behavior is similar to devpts allocated pts devices and
  has no effect on the functionality of the ipc mechanism itself.

[1]: https://goo.gl/JL2tfX
[2]: program to allocate a new binderfs binder device:

     #define _GNU_SOURCE
     #include <errno.h>
     #include <fcntl.h>
     #include <stdio.h>
     #include <stdlib.h>
     #include <string.h>
     #include <sys/ioctl.h>
     #include <sys/stat.h>
     #include <sys/types.h>
     #include <unistd.h>
     #include <linux/android/binder_ctl.h>

     int main(int argc, char *argv[])
     {
             int fd, ret, saved_errno;
             size_t len;
             struct binderfs_device device = { 0 };

             if (argc < 2)
                     exit(EXIT_FAILURE);

             len = strlen(argv[1]);
             if (len > BINDERFS_MAX_NAME)
                     exit(EXIT_FAILURE);

             memcpy(device.name, argv[1], len);

             fd = open("/dev/binderfs/binder-control", O_RDONLY | O_CLOEXEC);
             if (fd < 0) {
                     printf("%s - Failed to open binder-control device\n",
                            strerror(errno));
                     exit(EXIT_FAILURE);
             }

             ret = ioctl(fd, BINDER_CTL_ADD, &device);
             saved_errno = errno;
             close(fd);
             errno = saved_errno;
             if (ret < 0) {
                     printf("%s - Failed to allocate new binder device\n",
                            strerror(errno));
                     exit(EXIT_FAILURE);
             }

             printf("Allocated new binder device with major %d, minor %d, and "
                    "name %s\n", device.major, device.minor,
                    device.name);

             exit(EXIT_SUCCESS);
     }

Cc: Martijn Coenen <maco@android.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
Acked-by: Todd Kjos <tkjos@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Bug: 136497735
(cherry picked from commit 3ad20fe393b31025bebfc2d76964561f65df48aa)
Change-Id: I145af9b0bc25b3a59a4f663c9e926889c2b41d18
Signed-off-by: Hridya Valsaraju <hridya@google.com>
 2019-12-08 21:41:34 -08:00
Yangtao Li
56ed129659 UPSTREAM: binder: remove BINDER_DEBUG_ENTRY() 
We already have the DEFINE_SHOW_ATTRIBUTE.There is no need to define
such a macro,so remove BINDER_DEBUG_ENTRY.

Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Reviewed-by: Joey Pabalinas <joeypabalinas@gmail.com>
Acked-by: Todd Kjos <tkjos@android.com>

Bug: 136497735
(cherry picked from commit c13e0a5288195aadec1e53af7a48ea8dae971416)
Change-Id: I48ef17510ea0e252f747a864bd1e98951b0a81ba
Signed-off-by: Hridya Valsaraju <hridya@google.com>
 2019-12-08 21:40:31 -08:00
Greg Kroah-Hartman
44b82a3d1b Merge 4.19.85 into android-4.19 
Changes in 4.19.85
	KVM: x86: introduce is_pae_paging
	MIPS: BCM63XX: fix switch core reset on BCM6368
	scsi: core: Handle drivers which set sg_tablesize to zero
	ax88172a: fix information leak on short answers
	ipmr: Fix skb headroom in ipmr_get_route().
	net: gemini: add missed free_netdev
	net: usb: qmi_wwan: add support for Foxconn T77W968 LTE modules
	slip: Fix memory leak in slip_open error path
	ALSA: usb-audio: Fix missing error check at mixer resolution test
	ALSA: usb-audio: not submit urb for stopped endpoint
	ALSA: usb-audio: Fix incorrect NULL check in create_yamaha_midi_quirk()
	ALSA: usb-audio: Fix incorrect size check for processing/extension units
	Btrfs: fix log context list corruption after rename exchange operation
	Input: ff-memless - kill timer in destroy()
	Input: synaptics-rmi4 - fix video buffer size
	Input: synaptics-rmi4 - disable the relative position IRQ in the F12 driver
	Input: synaptics-rmi4 - do not consume more data than we have (F11, F12)
	Input: synaptics-rmi4 - clear IRQ enables for F54
	Input: synaptics-rmi4 - destroy F54 poller workqueue when removing
	IB/hfi1: Ensure full Gen3 speed in a Gen4 system
	IB/hfi1: Use a common pad buffer for 9B and 16B packets
	i2c: acpi: Force bus speed to 400KHz if a Silead touchscreen is present
	ecryptfs_lookup_interpose(): lower_dentry->d_inode is not stable
	ecryptfs_lookup_interpose(): lower_dentry->d_parent is not stable either
	net: ethernet: dwmac-sun8i: Use the correct function in exit path
	iommu/vt-d: Fix QI_DEV_IOTLB_PFSID and QI_DEV_EIOTLB_PFSID macros
	mm: mempolicy: fix the wrong return value and potential pages leak of mbind
	mm: memcg: switch to css_tryget() in get_mem_cgroup_from_mm()
	mm: hugetlb: switch to css_tryget() in hugetlb_cgroup_charge_cgroup()
	mmc: sdhci-of-at91: fix quirk2 overwrite
	iio: adc: max9611: explicitly cast gain_selectors
	tee: optee: take DT status property into account
	ath10k: fix kernel panic by moving pci flush after napi_disable
	iio: dac: mcp4922: fix error handling in mcp4922_write_raw
	clk: sunxi-ng: h6: fix PWM gate/reset offset
	soundwire: Initialize completion for defer messages
	soundwire: intel: Fix uninitialized adev deref
	arm64: dts: allwinner: a64: Orange Pi Win: Fix SD card node
	arm64: dts: allwinner: a64: Olinuxino: fix DRAM voltage
	arm64: dts: allwinner: a64: NanoPi-A64: Fix DCDC1 voltage
	ALSA: pcm: signedness bug in snd_pcm_plug_alloc()
	soc/tegra: pmc: Fix pad voltage configuration for Tegra186
	arm64: dts: tegra210-p2180: Correct sdmmc4 vqmmc-supply
	y2038: make do_gettimeofday() and get_seconds() inline
	ARM: dts: rcar: Correct SATA device sizes to 2 MiB
	ARM: dts: at91/trivial: Fix USART1 definition for at91sam9g45
	rtc: sysfs: fix NULL check in rtc_add_groups()
	rtc: rv8803: fix the rv8803 id in the OF table
	remoteproc/davinci: Use %zx for formating size_t
	extcon: cht-wc: Return from default case to avoid warnings
	cfg80211: Avoid regulatory restore when COUNTRY_IE_IGNORE is set
	ALSA: seq: Do error checks at creating system ports
	ath10k: skip resetting rx filter for WCN3990
	ath9k: fix tx99 with monitor mode interface
	wil6210: drop Rx multicast packets that are looped-back to STA
	wil6210: set edma variables only for Talyn-MB devices
	wil6210: prevent usage of tx ring 0 for eDMA
	wil6210: fix invalid memory access for rx_buff_mgmt debugfs
	ath10k: limit available channels via DT ieee80211-freq-limit
	ice: Update request resource command to latest specification
	ice: Prevent control queue operations during reset
	gfs2: Don't set GFS2_RDF_UPTODATE when the lvb is updated
	ice: Fix and update driver version string
	ASoC: dapm: Don't fail creating new DAPM control on NULL pinctrl
	ASoC: dpcm: Properly initialise hw->rate_max
	ASoC: meson: axg-fifo: report interrupt request failure
	ASoC: AMD: Change MCLK to 48Mhz
	pinctrl: ingenic: Probe driver at subsys_initcall
	MIPS: BCM47XX: Enable USB power on Netgear WNDR3400v3
	ARM: dts: exynos: Use i2c-gpio for HDMI-DDC on Arndale
	ARM: dts: exynos: Fix HDMI-HPD line handling on Arndale
	ARM: dts: exynos: Fix sound in Snow-rev5 Chromebook
	liquidio: fix race condition in instruction completion processing
	arm64: dts: stratix10: i2c clock running out of spec
	ARM: dts: exynos: Fix regulators configuration on Peach Pi/Pit Chromebooks
	i40evf: Validate the number of queues a PF sends
	i40e: use correct length for strncpy
	i40evf: set IFF_UNICAST_FLT flag for the VF
	i40e: Check and correct speed values for link on open
	i40evf: Don't enable vlan stripping when rx offload is turned on
	i40e: hold the rtnl lock on clearing interrupt scheme
	i40evf: cancel workqueue sync for adminq when a VF is removed
	i40e: Prevent deleting MAC address from VF when set by PF
	IB/rxe: avoid back-to-back retries
	IB/rxe: fixes for rdma read retry
	iwlwifi: drop packets with bad status in CD
	iwlwifi: don't WARN on trying to dump dead firmware
	iwlwifi: mvm: avoid sending too many BARs
	media: vicodec: fix out-of-range values when decoding
	media: i2c: Fix pm_runtime_get_if_in_use() usage in sensor drivers
	media: ov772x: Disable clk on error path
	ARM: dts: pxa: fix the rtc controller
	ARM: dts: pxa: fix power i2c base address
	rtl8187: Fix warning generated when strncpy() destination length matches the sixe argument
	mwifiex: do no submit URB in suspended state
	mwifex: free rx_cmd skb in suspended state
	brcmfmac: fix wrong strnchr usage
	mt76: Fix comparisons with invalid hardware key index
	soc: imx: gpc: fix PDN delay
	ASoC: rsnd: ssi: Fix issue in dma data address assignment
	net: hns3: Fix for multicast failure
	net: hns3: Fix error of checking used vlan id
	net: hns3: Fix for loopback selftest failed problem
	net: hns3: Change the dst mac addr of loopback packet
	net/mlx5: Fix atomic_mode enum values
	net: phy: mscc: read 'vsc8531,vddmac' as an u32
	net: phy: mscc: read 'vsc8531, edge-slowdown' as an u32
	ARM: dts: meson8: fix the clock controller register size
	ARM: dts: meson8b: fix the clock controller register size
	mtd: rawnand: marvell: use regmap_update_bits() for syscon access
	mtd: rawnand: fsl_ifc: check result of SRAM initialization
	mtd: rawnand: fsl_ifc: fixup SRAM init for newer ctrl versions
	mtd: rawnand: qcom: don't include dma-direct.h
	IB/mlx5: Change TX affinity assignment in RoCE LAG mode
	qxl: fix null-pointer crash during suspend
	mac80211: fix saving a few HE values
	cfg80211: validate wmm rule when setting
	f2fs: avoid wrong decrypted data from disk
	net: lan78xx: Bail out if lan78xx_get_endpoints fails
	rtnetlink: move type calculation out of loop
	ASoC: sgtl5000: avoid division by zero if lo_vag is zero
	ath10k: avoid possible memory access violation
	ARM: dts: exynos: Disable pull control for S5M8767 PMIC
	ath10k: wmi: disable softirq's while calling ieee80211_rx
	i2c: mediatek: Use DMA safe buffers for i2c transactions
	IB/mlx5: Don't hold spin lock while checking device state
	IB/ipoib: Ensure that MTU isn't less than minimum permitted
	RDMA/core: Rate limit MAD error messages
	RDMA/core: Follow correct unregister order between sysfs and cgroup
	mips: txx9: fix iounmap related issue
	udf: Fix crash during mount
	ASoC: dapm: Avoid uninitialised variable warning
	ASoC: Intel: hdac_hdmi: Limit sampling rates at dai creation
	ata: Disable AHCI ALPM feature for Ampere Computing eMAG SATA
	of: make PowerMac cache node search conditional on CONFIG_PPC_PMAC
	ARM: dts: omap3-gta04: give spi_lcd node a label so that we can overwrite in other DTS files
	ARM: dts: omap3-gta04: fixes for tvout / venc
	ARM: dts: omap3-gta04: tvout: enable as display1 alias
	ARM: dts: omap3-gta04: fix touchscreen tsc2007
	ARM: dts: omap3-gta04: make NAND partitions compatible with recent U-Boot
	ARM: dts: omap3-gta04: keep vpll2 always on
	f2fs: submit bio after shutdown
	failover: Fix error return code in net_failover_create
	sched/debug: Explicitly cast sched_feat() to bool
	sched/debug: Use symbolic names for task state constants
	firmware: arm_scmi: use strlcpy to ensure NULL-terminated strings
	arm64: dts: rockchip: Fix VCC5V0_HOST_EN on rk3399-sapphire
	ARM: dts: exynos: Disable pull control for PMIC IRQ line on Artik5 board
	usb: mtu3: disable vbus rise/fall interrupts of ltssm
	dmaengine: dma-jz4780: Don't depend on MACH_JZ4780
	dmaengine: dma-jz4780: Further residue status fix
	EDAC, sb_edac: Return early on ADDRV bit and address type test
	rtc: mt6397: fix possible race condition
	rtc: pl030: fix possible race condition
	ath9k: add back support for using active monitor interfaces for tx99
	dmaengine: at_xdmac: remove a stray bottom half unlock
	RDMA/hns: Fix an error code in hns_roce_v2_init_eq_table()
	IB/hfi1: Missing return value in error path for user sdma
	signal: Always ignore SIGKILL and SIGSTOP sent to the global init
	signal: Properly deliver SIGILL from uprobes
	signal: Properly deliver SIGSEGV from x86 uprobes
	f2fs: fix memory leak of write_io in fill_super()
	f2fs: fix memory leak of percpu counter in fill_super()
	f2fs: fix setattr project check upon fssetxattr ioctl
	scsi: qla2xxx: Use correct qpair for ABTS/CMD
	scsi: qla2xxx: Fix iIDMA error
	scsi: qla2xxx: Defer chip reset until target mode is enabled
	scsi: qla2xxx: Terminate Plogi/PRLI if WWN is 0
	scsi: qla2xxx: Fix deadlock between ATIO and HW lock
	scsi: qla2xxx: Increase abort timeout value
	scsi: qla2xxx: Check for Register disconnect
	scsi: qla2xxx: Fix port speed display on chip reset
	scsi: qla2xxx: Fix dropped srb resource.
	scsi: qla2xxx: Fix duplicate switch's Nport ID entries
	scsi: lpfc: Fix GFT_ID and PRLI logic for RSCN
	scsi: lpfc: Correct invalid EQ doorbell write on if_type=6
	scsi: lpfc: Fix errors in log messages.
	scsi: sym53c8xx: fix NULL pointer dereference panic in sym_int_sir()
	ARM: imx6: register pm_power_off handler if "fsl,pmic-stby-poweroff" is set
	scsi: pm80xx: Corrected dma_unmap_sg() parameter
	scsi: pm80xx: Fixed system hang issue during kexec boot
	kprobes: Don't call BUG_ON() if there is a kprobe in use on free list
	net: aquantia: fix hw_atl_utils_fw_upload_dwords
	Drivers: hv: vmbus: Fix synic per-cpu context initialization
	nvmem: core: return error code instead of NULL from nvmem_device_get
	media: dt-bindings: adv748x: Fix decimal unit addresses
	ALSA: hda: Fix implicit definition of pci_iomap() on SH
	media: fix: media: pci: meye: validate offset to avoid arbitrary access
	media: dvb: fix compat ioctl translation
	net: bcmgenet: Fix speed selection for reverse MII
	arm64: dts: meson: libretech: update board model
	arm64: dts: meson-axg: use the proper compatible for ethmac
	ALSA: intel8x0m: Register irq handler after register initializations
	arm64: dts: renesas: salvator-common: adv748x: Override secondary addresses
	arm64: dts: renesas: r8a77965: Attach the SYS-DMAC to the IPMMU
	arm64: dts: renesas: r8a77965: Fix HS-USB compatible
	arm64: dts: renesas: r8a77965: Fix clock/reset for usb2_phy1
	pinctrl: at91-pio4: fix has_config check in atmel_pctl_dt_subnode_to_map()
	llc: avoid blocking in llc_sap_close()
	ARM: dts: qcom: ipq4019: fix cpu0's qcom,saw2 reg value
	soc: qcom: geni: Don't ignore clk_round_rate() errors in geni_se_clk_tbl_get()
	soc: qcom: geni: geni_se_clk_freq_match() should always accept multiples
	soc: qcom: wcnss_ctrl: Avoid string overflow
	soc: qcom: apr: Avoid string overflow
	drivers: qcom: rpmh-rsc: clear wait_for_compl after use
	arm64: dts: broadcom: Fix I2C and SPI bus warnings
	ARM: dts: bcm: Fix SPI bus warnings
	ARM: dts: aspeed: Fix I2C bus warnings
	powerpc/vdso: Correct call frame information
	ARM: dts: socfpga: Fix I2C bus unit-address error
	ARM: dts: sunxi: Fix I2C bus warnings
	pinctrl: at91: don't use the same irqchip with multiple gpiochips
	ARM: dts: sun9i: Fix I2C bus warnings
	android: binder: no outgoing transaction when thread todo has transaction
	cxgb4: Fix endianness issue in t4_fwcache()
	arm64: fix for bad_mode() handler to always result in panic
	block, bfq: inject other-queue I/O into seeky idle queues on NCQ flash
	blok, bfq: do not plug I/O if all queues are weight-raised
	arm64: dts: meson: Fix erroneous SPI bus warnings
	power: supply: ab8500_fg: silence uninitialized variable warnings
	power: reset: at91-poweroff: do not procede if at91_shdwc is allocated
	power: supply: max8998-charger: Fix platform data retrieval
	component: fix loop condition to call unbind() if bind() fails
	kernfs: Fix range checks in kernfs_get_target_path
	ip_gre: fix parsing gre header in ipgre_err
	scsi: ufshcd: Fix NULL pointer dereference for in ufshcd_init
	ARM: dts: rockchip: Fix erroneous SPI bus dtc warnings on rk3036
	arm64: dts: rockchip: Fix I2C bus unit-address error on rk3399-puma-haikou
	ACPI / LPSS: Exclude I2C busses shared with PUNIT from pmc_atom_d3_mask
	netfilter: nf_tables: avoid BUG_ON usage
	ath9k: Fix a locking bug in ath9k_add_interface()
	s390/qeth: uninstall IRQ handler on device removal
	s390/qeth: invoke softirqs after napi_schedule()
	media: vsp1: Fix vsp1_regs.h license header
	media: vsp1: Fix YCbCr planar formats pitch calculation
	media: ov2680: don't register the v4l2 subdevice before checking chip ID
	PCI/ACPI: Correct error message for ASPM disabling
	net: socionext: Fix two sleep-in-atomic-context bugs in ave_rxfifo_reset()
	PCI: mediatek: Fix unchecked return value
	ARM: dts: xilinx: Fix I2C and SPI bus warnings
	serial: uartps: Fix suspend functionality
	serial: samsung: Enable baud clock for UART reset procedure in resume
	serial: mxs-auart: Fix potential infinite loop
	tty: serial: qcom_geni_serial: Fix serial when not used as console
	arm64: dts: ti: k3-am65: Change #address-cells and #size-cells of interconnect to 2
	samples/bpf: fix a compilation failure
	spi/bcm63xx-hsspi: keep pll clk enabled
	spi: mediatek: Don't modify spi_transfer when transfer.
	ASoC: rt5682: Fix the boost volume at the begining of playback
	ipmi_si_pci: fix NULL device in ipmi_si error message
	ipmi_si: fix potential integer overflow on large shift
	ipmi:dmi: Ignore IPMI SMBIOS entries with a zero base address
	ipmi: fix return value of ipmi_set_my_LUN
	net: hns3: fix return type of ndo_start_xmit function
	net: cavium: fix return type of ndo_start_xmit function
	net: ibm: fix return type of ndo_start_xmit function
	powerpc/iommu: Avoid derefence before pointer check
	selftests/powerpc: Do not fail with reschedule
	powerpc/64s/hash: Fix stab_rr off by one initialization
	powerpc/pseries/memory-hotplug: Only update DT once per memory DLPAR request
	powerpc/pseries: Disable CPU hotplug across migrations
	powerpc: Fix duplicate const clang warning in user access code
	RDMA/i40iw: Fix incorrect iterator type
	ARM: dts: atmel: Fix I2C and SPI bus warnings
	OPP: Protect dev_list with opp_table lock
	of/unittest: Fix I2C bus unit-address error
	libfdt: Ensure INT_MAX is defined in libfdt_env.h
	power: supply: twl4030_charger: fix charging current out-of-bounds
	power: supply: twl4030_charger: disable eoc interrupt on linear charge
	net: mvpp2: fix the number of queues per cpu for PPv2.2
	net: marvell: fix return type of ndo_start_xmit function
	net: toshiba: fix return type of ndo_start_xmit function
	net: xilinx: fix return type of ndo_start_xmit function
	net: broadcom: fix return type of ndo_start_xmit function
	net: amd: fix return type of ndo_start_xmit function
	net: sun: fix return type of ndo_start_xmit function
	net: hns3: Fix for setting speed for phy failed problem
	net: hns3: Fix cmdq registers initialization issue for vf
	net: hns3: Clear client pointer when initialize client failed or unintialize finished
	net: hns3: Fix client initialize state issue when roce client initialize failed
	net: hns3: Fix parameter type for q_id in hclge_tm_q_to_qs_map_cfg()
	nfp: provide a better warning when ring allocation fails
	usb: chipidea: imx: enable OTG overcurrent in case USB subsystem is already started
	usb: chipidea: Fix otg event handler
	usb: usbtmc: Fix ioctl USBTMC_IOCTL_ABORT_BULK_OUT
	s390/zcrypt: enable AP bus scan without a valid default domain
	s390/vdso: avoid 64-bit vdso mapping for compat tasks
	s390/vdso: correct CFI annotations of vDSO functions
	brcmfmac: increase buffer for obtaining firmware capabilities
	brcmsmac: Use kvmalloc() for ucode allocations
	mlxsw: spectrum: Init shaper for TCs 8..15
	PCI: portdrv: Initialize service drivers directly
	ARM: dts: am335x-evm: fix number of cpsw
	ARM: dts: ti: Fix SPI and I2C bus warnings
	f2fs: avoid infinite loop in f2fs_alloc_nid
	f2fs: fix to recover inode's uid/gid during POR
	ARM: dts: ux500: Correct SCU unit address
	ARM: dts: ux500: Fix LCDA clock line muxing
	ARM: dts: ste: Fix SPI controller node names
	spi: pic32: Use proper enum in dmaengine_prep_slave_rg
	crypto: chacha20 - Fix chacha20_block() keystream alignment (again)
	cpufeature: avoid warning when compiling with clang
	crypto: arm/crc32 - avoid warning when compiling with Clang
	ARM: dts: marvell: Fix SPI and I2C bus warnings
	x86/mce-inject: Reset injection struct after injection
	ARM: dts: stm32: enable display on stm32mp157c-ev1 board
	ARM: dts: clearfog: fix sdhci supply property name
	ARM: dts: stm32: Fix SPI controller node names
	bnx2x: Ignore bandwidth attention in single function mode
	PCI/AER: Take reference on error devices
	PCI/AER: Don't read upstream ports below fatal errors
	PCI/ERR: Use slot reset if available
	samples/bpf: fix compilation failure
	net: phy: mdio-bcm-unimac: Allow configuring MDIO clock divider
	net: micrel: fix return type of ndo_start_xmit function
	net: freescale: fix return type of ndo_start_xmit function
	x86/CPU: Use correct macros for Cyrix calls
	x86/CPU: Change query logic so CPUID is enabled before testing
	EDAC: Correct DIMM capacity unit symbol
	MIPS: kexec: Relax memory restriction
	arm64: dts: rockchip: Fix microSD in rk3399 sapphire board
	mlxsw: Make MLXSW_SP1_FWREV_MINOR a hard requirement
	media: imx: work around false-positive warning, again
	media: pci: ivtv: Fix a sleep-in-atomic-context bug in ivtv_yuv_init()
	media: au0828: Fix incorrect error messages
	media: davinci: Fix implicit enum conversion warning
	ARM: dts: rockchip: explicitly set vcc_sd0 pin to gpio on rk3188-radxarock
	usb: gadget: uvc: configfs: Drop leaked references to config items
	usb: gadget: uvc: configfs: Prevent format changes after linking header
	usb: gadget: uvc: configfs: Sort frame intervals upon writing
	ARM: dts: exynos: Correct audio subsystem parent clock on Peach Chromebooks
	i2c: aspeed: fix invalid clock parameters for very large divisors
	gpiolib: Fix gpio_direction_* for single direction GPIOs
	ARM: at91: pm: call put_device instead of of_node_put in at91_pm_config_ws
	phy: brcm-sata: allow PHY_BRCM_SATA driver to be built for DSL SoCs
	phy: renesas: rcar-gen3-usb2: fix vbus_ctrl for role sysfs
	phy: phy-twl4030-usb: fix denied runtime access
	ARM: dts: imx6ull: update vdd_soc voltage for 900MHz operating point
	usb: gadget: uvc: Factor out video USB request queueing
	usb: gadget: uvc: Only halt video streaming endpoint in bulk mode
	coresight: Use ERR_CAST instead of ERR_PTR
	coresight: Fix handling of sinks
	coresight: perf: Fix per cpu path management
	coresight: perf: Disable trace path upon source error
	coresight: tmc-etr: Handle driver mode specific ETR buffers
	coresight: etm4x: Configure EL2 exception level when kernel is running in HYP
	coresight: tmc: Fix byte-address alignment for RRP
	coresight: dynamic-replicator: Handle multiple connections
	slimbus: ngd: register ngd driver only once.
	slimbus: ngd: return proper error code instead of zero
	silmbus: ngd: register controller after power up.
	misc: kgdbts: Fix restrict error
	misc: genwqe: should return proper error value.
	vmbus: keep pointer to ring buffer page
	vfio/pci: Fix potential memory leak in vfio_msi_cap_len
	vfio/pci: Mask buggy SR-IOV VF INTx support
	iw_cxgb4: Use proper enumerated type in c4iw_bar2_addrs
	scsi: libsas: always unregister the old device if going to discover new
	f2fs: fix remount problem of option io_bits
	phy: lantiq: Fix compile warning
	arm64: dts: fsl: Fix I2C and SPI bus warnings
	ARM: dts: imx51-zii-rdu1: Fix the rtc compatible string
	arm64: tegra: I2C on Tegra194 is not compatible with Tegra114
	ARM: dts: tegra30: fix xcvr-setup-use-fuses
	ARM: dts: tegra20: restore address order
	ARM: tegra: apalis_t30: fix mmc1 cmd pull-up
	ARM: tegra: apalis_t30: fix mcp2515 can controller interrupt polarity
	ARM: tegra: colibri_t30: fix mcp2515 can controller interrupt polarity
	ARM: dts: paz00: fix wakeup gpio keycode
	net: smsc: fix return type of ndo_start_xmit function
	net: faraday: fix return type of ndo_start_xmit function
	PCI/ERR: Run error recovery callbacks for all affected devices
	f2fs: update i_size after DIO completion
	f2fs: fix to recover inode's project id during POR
	f2fs: mark inode dirty explicitly in recover_inode()
	RDMA: Fix dependencies for rdma_user_mmap_io
	EDAC: Raise the maximum number of memory controllers
	ARM: dts: realview: Fix SPI controller node names
	firmware: dell_rbu: Make payload memory uncachable
	Bluetooth: hci_serdev: clear HCI_UART_PROTO_READY to avoid closing proto races
	Bluetooth: L2CAP: Detect if remote is not able to use the whole MPS
	Bluetooth: btrsi: fix bt tx timeout issue
	x86/hyperv: Suppress "PCI: Fatal: No config space access function found"
	crypto: s5p-sss: Fix race in error handling
	crypto: s5p-sss: Fix Fix argument list alignment
	crypto: fix a memory leak in rsa-kcs1pad's encryption mode
	iwlwifi: dbg: don't crash if the firmware crashes in the middle of a debug dump
	iwlwifi: fix non_shared_ant for 22000 devices
	iwlwifi: pcie: read correct prph address for newer devices
	iwlwifi: api: annotate compressed BA notif array sizes
	iwlwifi: pcie: gen2: build A-MSDU only for GSO
	iwlwifi: pcie: fit reclaim msg to MAX_MSG_LEN
	iwlwifi: mvm: use correct FIFO length
	iwlwifi: mvm: Allow TKIP for AP mode
	scsi: NCR5380: Clear all unissued commands on host reset
	scsi: NCR5380: Have NCR5380_select() return a bool
	scsi: NCR5380: Withhold disconnect privilege for REQUEST SENSE
	scsi: NCR5380: Use DRIVER_SENSE to indicate valid sense data
	scsi: NCR5380: Check for invalid reselection target
	scsi: NCR5380: Don't clear busy flag when abort fails
	scsi: NCR5380: Don't call dsprintk() following reselection interrupt
	scsi: NCR5380: Handle BUS FREE during reselection
	scsi: NCR5380: Check for bus reset
	arm64: dts: amd: Fix SPI bus warnings
	arm64: dts: lg: Fix SPI controller node names
	ARM: dts: lpc32xx: Fix SPI controller node names
	rtc: isl1208: avoid possible sysfs race
	rtc: tx4939: fixup nvmem name and register size
	rtc: armada38x: fix possible race condition
	netfilter: masquerade: don't flush all conntracks if only one address deleted on device
	usb: xhci-mtk: fix ISOC error when interval is zero
	usb: usbtmc: uninitialized symbol 'actual' in usbtmc_ioctl_clear
	fuse: use READ_ONCE on congestion_threshold and max_background
	IB/iser: Fix possible NULL deref at iser_inv_desc()
	media: ov2680: fix null dereference at power on
	s390/vdso: correct vdso mapping for compat tasks
	net: phy: mdio-bcm-unimac: mark PM functions as __maybe_unused
	memfd: Use radix_tree_deref_slot_protected to avoid the warning.
	slcan: Fix memory leak in error path
	Linux 4.19.85

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I0857e66ee2cdd412cd736548a1395bf764a8ab0a
 2019-11-20 20:43:17 +01:00
Sherry Yang
b0cb2d8164 android: binder: no outgoing transaction when thread todo has transaction 
[ Upstream commit 44b73962cb25f1c8170ea695c4564b05a75e1fd4 ]

When a process dies, failed reply is sent to the sender of any transaction
queued on a dead thread's todo list. The sender asserts that the
received failed reply corresponds to the head of the transaction stack.
This assert can fail if the dead thread is allowed to send outgoing
transactions when there is already a transaction on its todo list,
because this new transaction can end up on the transaction stack of the
original sender. The following steps illustrate how this assertion can
fail.

1. Thread1 sends txn19 to Thread2
   (T1->transaction_stack=txn19, T2->todo+=txn19)
2. Without processing todo list, Thread2 sends txn20 to Thread1
   (T1->todo+=txn20, T2->transaction_stack=txn20)
3. T1 processes txn20 on its todo list
   (T1->transaction_stack=txn20->txn19, T1->todo=<empty>)
4. T2 dies, T2->todo cleanup attempts to send failed reply for txn19, but
   T1->transaction_stack points to txn20 -- assertion failes

Step 2. is the incorrect behavior. When there is a transaction on a
thread's todo list, this thread should not be able to send any outgoing
synchronous transactions. Only the head of the todo list needs to be
checked because only threads that are waiting for proc work can directly
receive work from another thread, and no work is allowed to be queued
on such a thread without waking up the thread. This patch also enforces
that a thread is not waiting for proc work when a work is directly
enqueued to its todo list.

Acked-by: Arve Hjønnevåg <arve@android.com>
Signed-off-by: Sherry Yang <sherryy@android.com>
Reviewed-by: Martijn Coenen <maco@android.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 2019-11-20 18:46:42 +01:00
Greg Kroah-Hartman
844ecc4634 Merge 4.19.64 into android-4.19 
Changes in 4.19.64
	hv_sock: Add support for delayed close
	vsock: correct removal of socket from the list
	NFS: Fix dentry revalidation on NFSv4 lookup
	NFS: Refactor nfs_lookup_revalidate()
	NFSv4: Fix lookup revalidate of regular files
	usb: dwc2: Disable all EP's on disconnect
	usb: dwc2: Fix disable all EP's on disconnect
	arm64: compat: Provide definition for COMPAT_SIGMINSTKSZ
	binder: fix possible UAF when freeing buffer
	ISDN: hfcsusb: checking idx of ep configuration
	media: au0828: fix null dereference in error path
	ath10k: Change the warning message string
	media: cpia2_usb: first wake up, then free in disconnect
	media: pvrusb2: use a different format for warnings
	NFS: Cleanup if nfs_match_client is interrupted
	media: radio-raremono: change devm_k*alloc to k*alloc
	iommu/vt-d: Don't queue_iova() if there is no flush queue
	iommu/iova: Fix compilation error with !CONFIG_IOMMU_IOVA
	Bluetooth: hci_uart: check for missing tty operations
	vhost: introduce vhost_exceeds_weight()
	vhost_net: fix possible infinite loop
	vhost: vsock: add weight support
	vhost: scsi: add weight support
	sched/fair: Don't free p->numa_faults with concurrent readers
	sched/fair: Use RCU accessors consistently for ->numa_group
	/proc/<pid>/cmdline: remove all the special cases
	/proc/<pid>/cmdline: add back the setproctitle() special case
	drivers/pps/pps.c: clear offset flags in PPS_SETPARAMS ioctl
	Fix allyesconfig output.
	ceph: hold i_ceph_lock when removing caps for freeing inode
	block, scsi: Change the preempt-only flag into a counter
	scsi: core: Avoid that a kernel warning appears during system resume
	ip_tunnel: allow not to count pkts on tstats by setting skb's dev to NULL
	Linux 4.19.64

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I3e9055b677bd8ad9d5070307fae0bc765d444e9d
 2019-08-04 09:37:11 +02:00
Todd Kjos
22068d49d0 binder: fix possible UAF when freeing buffer 
commit a370003cc301d4361bae20c9ef615f89bf8d1e8a upstream.

There is a race between the binder driver cleaning
up a completed transaction via binder_free_transaction()
and a user calling binder_ioctl(BC_FREE_BUFFER) to
release a buffer. It doesn't matter which is first but
they need to be protected against running concurrently
which can result in a UAF.

Signed-off-by: Todd Kjos <tkjos@google.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2019-08-04 09:30:53 +02:00
Greg Kroah-Hartman
75ff56e1a2 Merge 4.19.63 into android-4.19 
Changes in 4.19.63
	hvsock: fix epollout hang from race condition
	drm/panel: simple: Fix panel_simple_dsi_probe
	iio: adc: stm32-dfsdm: manage the get_irq error case
	iio: adc: stm32-dfsdm: missing error case during probe
	staging: vt6656: use meaningful error code during buffer allocation
	usb: core: hub: Disable hub-initiated U1/U2
	tty: max310x: Fix invalid baudrate divisors calculator
	pinctrl: rockchip: fix leaked of_node references
	tty: serial: cpm_uart - fix init when SMC is relocated
	drm/amd/display: Fill prescale_params->scale for RGB565
	drm/amdgpu/sriov: Need to initialize the HDP_NONSURFACE_BAStE
	drm/amd/display: Disable ABM before destroy ABM struct
	drm/amdkfd: Fix a potential memory leak
	drm/amdkfd: Fix sdma queue map issue
	drm/edid: Fix a missing-check bug in drm_load_edid_firmware()
	PCI: Return error if cannot probe VF
	drm/bridge: tc358767: read display_props in get_modes()
	drm/bridge: sii902x: pixel clock unit is 10kHz instead of 1kHz
	gpu: host1x: Increase maximum DMA segment size
	drm/crc-debugfs: User irqsafe spinlock in drm_crtc_add_crc_entry
	drm/crc-debugfs: Also sprinkle irqrestore over early exits
	memstick: Fix error cleanup path of memstick_init
	tty/serial: digicolor: Fix digicolor-usart already registered warning
	tty: serial: msm_serial: avoid system lockup condition
	serial: 8250: Fix TX interrupt handling condition
	drm/amd/display: Always allocate initial connector state state
	drm/virtio: Add memory barriers for capset cache.
	phy: renesas: rcar-gen2: Fix memory leak at error paths
	drm/amd/display: fix compilation error
	powerpc/pseries/mobility: prevent cpu hotplug during DT update
	drm/rockchip: Properly adjust to a true clock in adjusted_mode
	serial: imx: fix locking in set_termios()
	tty: serial_core: Set port active bit in uart_port_activate
	usb: gadget: Zero ffs_io_data
	mmc: sdhci: sdhci-pci-o2micro: Check if controller supports 8-bit width
	powerpc/pci/of: Fix OF flags parsing for 64bit BARs
	drm/msm: Depopulate platform on probe failure
	serial: mctrl_gpio: Check if GPIO property exisits before requesting it
	PCI: sysfs: Ignore lockdep for remove attribute
	i2c: stm32f7: fix the get_irq error cases
	kbuild: Add -Werror=unknown-warning-option to CLANG_FLAGS
	genksyms: Teach parser about 128-bit built-in types
	PCI: xilinx-nwl: Fix Multi MSI data programming
	iio: iio-utils: Fix possible incorrect mask calculation
	powerpc/cacheflush: fix variable set but not used
	powerpc/xmon: Fix disabling tracing while in xmon
	recordmcount: Fix spurious mcount entries on powerpc
	mfd: madera: Add missing of table registration
	mfd: core: Set fwnode for created devices
	mfd: arizona: Fix undefined behavior
	mfd: hi655x-pmic: Fix missing return value check for devm_regmap_init_mmio_clk
	mm/swap: fix release_pages() when releasing devmap pages
	um: Silence lockdep complaint about mmap_sem
	powerpc/4xx/uic: clear pending interrupt after irq type/pol change
	RDMA/i40iw: Set queue pair state when being queried
	serial: sh-sci: Terminate TX DMA during buffer flushing
	serial: sh-sci: Fix TX DMA buffer flushing and workqueue races
	IB/mlx5: Fixed reporting counters on 2nd port for Dual port RoCE
	powerpc/mm: Handle page table allocation failures
	IB/ipoib: Add child to parent list only if device initialized
	arm64: assembler: Switch ESB-instruction with a vanilla nop if !ARM64_HAS_RAS
	PCI: mobiveil: Fix PCI base address in MEM/IO outbound windows
	PCI: mobiveil: Fix the Class Code field
	kallsyms: exclude kasan local symbols on s390
	PCI: mobiveil: Initialize Primary/Secondary/Subordinate bus numbers
	PCI: mobiveil: Use the 1st inbound window for MEM inbound transactions
	perf test mmap-thread-lookup: Initialize variable to suppress memory sanitizer warning
	perf stat: Fix use-after-freed pointer detected by the smatch tool
	perf top: Fix potential NULL pointer dereference detected by the smatch tool
	perf session: Fix potential NULL pointer dereference found by the smatch tool
	perf annotate: Fix dereferencing freed memory found by the smatch tool
	perf hists browser: Fix potential NULL pointer dereference found by the smatch tool
	RDMA/rxe: Fill in wc byte_len with IB_WC_RECV_RDMA_WITH_IMM
	PCI: dwc: pci-dra7xx: Fix compilation when !CONFIG_GPIOLIB
	powerpc/boot: add {get, put}_unaligned_be32 to xz_config.h
	block: init flush rq ref count to 1
	f2fs: avoid out-of-range memory access
	mailbox: handle failed named mailbox channel request
	dlm: check if workqueues are NULL before flushing/destroying
	powerpc/eeh: Handle hugepages in ioremap space
	block/bio-integrity: fix a memory leak bug
	sh: prevent warnings when using iounmap
	mm/kmemleak.c: fix check for softirq context
	9p: pass the correct prototype to read_cache_page
	mm/gup.c: mark undo_dev_pagemap as __maybe_unused
	mm/gup.c: remove some BUG_ONs from get_gate_page()
	memcg, fsnotify: no oom-kill for remote memcg charging
	mm/mmu_notifier: use hlist_add_head_rcu()
	proc: use down_read_killable mmap_sem for /proc/pid/smaps_rollup
	proc: use down_read_killable mmap_sem for /proc/pid/pagemap
	proc: use down_read_killable mmap_sem for /proc/pid/clear_refs
	proc: use down_read_killable mmap_sem for /proc/pid/map_files
	cxgb4: reduce kernel stack usage in cudbg_collect_mem_region()
	proc: use down_read_killable mmap_sem for /proc/pid/maps
	locking/lockdep: Fix lock used or unused stats error
	mm: use down_read_killable for locking mmap_sem in access_remote_vm
	locking/lockdep: Hide unused 'class' variable
	usb: wusbcore: fix unbalanced get/put cluster_id
	usb: pci-quirks: Correct AMD PLL quirk detection
	btrfs: inode: Don't compress if NODATASUM or NODATACOW set
	x86/sysfb_efi: Add quirks for some devices with swapped width and height
	x86/speculation/mds: Apply more accurate check on hypervisor platform
	binder: prevent transactions to context manager from its own process.
	fpga-manager: altera-ps-spi: Fix build error
	mei: me: add mule creek canyon (EHL) device ids
	hpet: Fix division by zero in hpet_time_div()
	ALSA: ac97: Fix double free of ac97_codec_device
	ALSA: line6: Fix wrong altsetting for LINE6_PODHD500_1
	ALSA: hda - Add a conexant codec entry to let mute led work
	powerpc/xive: Fix loop exit-condition in xive_find_target_in_mask()
	powerpc/tm: Fix oops on sigreturn on systems without TM
	libnvdimm/bus: Stop holding nvdimm_bus_list_mutex over __nd_ioctl()
	access: avoid the RCU grace period for the temporary subjective credentials
	Linux 4.19.63

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Ic31529aa6fd283d16d6bfb182187a9402a4db44f
 2019-07-31 08:03:42 +02:00
Hridya Valsaraju
e907b13144 binder: prevent transactions to context manager from its own process. 
commit 49ed96943a8e0c62cc5a9b0a6cfc88be87d1fcec upstream.

Currently, a transaction to context manager from its own process
is prevented by checking if its binder_proc struct is the same as
that of the sender. However, this would not catch cases where the
process opens the binder device again and uses the new fd to send
a transaction to the context manager.

Reported-by: syzbot+8b3c354d33c4ac78bfad@syzkaller.appspotmail.com
Signed-off-by: Hridya Valsaraju <hridya@google.com>
Acked-by: Todd Kjos <tkjos@google.com>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20190715191804.112933-1-hridya@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2019-07-31 07:27:10 +02:00
Martijn Coenen
b9079579b0 UPSTREAM: binder: Set end of SG buffer area properly. 
In case the target node requests a security context, the
extra_buffers_size is increased with the size of the security context.
But, that size is not available for use by regular scatter-gather
buffers; make sure the ending of that buffer is marked correctly.

Bug: 136210786
Acked-by: Todd Kjos <tkjos@google.com>
Fixes: ec74136ded79 ("binder: create node flag to request sender's security context")
Signed-off-by: Martijn Coenen <maco@android.com>
Cc: stable@vger.kernel.org # 5.1+
Link: https://lore.kernel.org/r/20190709110923.220736-1-maco@android.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
(cherry picked from commit a56587065094fd96eb4c2b5ad65571daad32156d)
 2019-07-24 12:42:52 +02:00
Greg Kroah-Hartman
0f653d9aa3 Merge 4.19.59 into android-4.19 
Changes in 4.19.59
	crypto: talitos - rename alternative AEAD algos.
	soc: brcmstb: Fix error path for unsupported CPUs
	soc: bcm: brcmstb: biuctrl: Register writes require a barrier
	Input: elantech - enable middle button support on 2 ThinkPads
	samples, bpf: fix to change the buffer size for read()
	samples, bpf: suppress compiler warning
	mac80211: fix rate reporting inside cfg80211_calculate_bitrate_he()
	bpf: sockmap, fix use after free from sleep in psock backlog workqueue
	soundwire: stream: fix out of boundary access on port properties
	staging:iio:ad7150: fix threshold mode config bit
	mac80211: mesh: fix RCU warning
	mac80211: free peer keys before vif down in mesh
	mwifiex: Fix possible buffer overflows at parsing bss descriptor
	iwlwifi: Fix double-free problems in iwl_req_fw_callback()
	mwifiex: Fix heap overflow in mwifiex_uap_parse_tail_ies()
	soundwire: intel: set dai min and max channels correctly
	dt-bindings: can: mcp251x: add mcp25625 support
	can: mcp251x: add support for mcp25625
	can: m_can: implement errata "Needless activation of MRAF irq"
	can: af_can: Fix error path of can_init()
	net: phy: rename Asix Electronics PHY driver
	ibmvnic: Do not close unopened driver during reset
	ibmvnic: Refresh device multicast list after reset
	ibmvnic: Fix unchecked return codes of memory allocations
	ARM: dts: am335x phytec boards: Fix cd-gpios active level
	s390/boot: disable address-of-packed-member warning
	drm/vmwgfx: Honor the sg list segment size limitation
	drm/vmwgfx: fix a warning due to missing dma_parms
	riscv: Fix udelay in RV32.
	Input: imx_keypad - make sure keyboard can always wake up system
	KVM: arm/arm64: vgic: Fix kvm_device leak in vgic_its_destroy
	mlxsw: spectrum: Disallow prio-tagged packets when PVID is removed
	ARM: davinci: da850-evm: call regulator_has_full_constraints()
	ARM: davinci: da8xx: specify dma_coherent_mask for lcdc
	mac80211: only warn once on chanctx_conf being NULL
	mac80211: do not start any work during reconfigure flow
	bpf, devmap: Fix premature entry free on destroying map
	bpf, devmap: Add missing bulk queue free
	bpf, devmap: Add missing RCU read lock on flush
	bpf, x64: fix stack layout of JITed bpf code
	qmi_wwan: add support for QMAP padding in the RX path
	qmi_wwan: avoid RCU stalls on device disconnect when in QMAP mode
	qmi_wwan: extend permitted QMAP mux_id value range
	mmc: core: complete HS400 before checking status
	md: fix for divide error in status_resync
	bnx2x: Check if transceiver implements DDM before access
	drm: return -EFAULT if copy_to_user() fails
	ip6_tunnel: allow not to count pkts on tstats by passing dev as NULL
	net: lio_core: fix potential sign-extension overflow on large shift
	scsi: qedi: Check targetname while finding boot target information
	quota: fix a problem about transfer quota
	net: dsa: mv88e6xxx: fix shift of FID bits in mv88e6185_g1_vtu_loadpurge()
	NFS4: Only set creation opendata if O_CREAT
	net :sunrpc :clnt :Fix xps refcount imbalance on the error path
	fscrypt: don't set policy for a dead directory
	udf: Fix incorrect final NOT_ALLOCATED (hole) extent length
	media: stv0297: fix frequency range limit
	ALSA: usb-audio: Fix parse of UAC2 Extension Units
	ALSA: hda/realtek - Headphone Mic can't record after S3
	block, bfq: NULL out the bic when it's no longer valid
	perf pmu: Fix uncore PMU alias list for ARM64
	x86/ptrace: Fix possible spectre-v1 in ptrace_get_debugreg()
	x86/tls: Fix possible spectre-v1 in do_get_thread_area()
	Documentation: Add section about CPU vulnerabilities for Spectre
	Documentation/admin: Remove the vsyscall=native documentation
	mwifiex: Abort at too short BSS descriptor element
	mwifiex: Don't abort on small, spec-compliant vendor IEs
	USB: serial: ftdi_sio: add ID for isodebug v1
	USB: serial: option: add support for GosunCn ME3630 RNDIS mode
	Revert "serial: 8250: Don't service RX FIFO if interrupts are disabled"
	p54usb: Fix race between disconnect and firmware loading
	usb: gadget: ether: Fix race between gether_disconnect and rx_submit
	usb: dwc2: use a longer AHB idle timeout in dwc2_core_reset()
	usb: renesas_usbhs: add a workaround for a race condition of workqueue
	drivers/usb/typec/tps6598x.c: fix portinfo width
	drivers/usb/typec/tps6598x.c: fix 4CC cmd write
	staging: comedi: dt282x: fix a null pointer deref on interrupt
	staging: comedi: amplc_pci230: fix null pointer deref on interrupt
	HID: Add another Primax PIXART OEM mouse quirk
	lkdtm: support llvm-objcopy
	binder: fix memory leak in error path
	carl9170: fix misuse of device driver API
	VMCI: Fix integer overflow in VMCI handle arrays
	MIPS: Remove superfluous check for __linux__
	staging: fsl-dpaa2/ethsw: fix memory leak of switchdev_work
	staging: bcm2835-camera: Replace spinlock protecting context_map with mutex
	staging: bcm2835-camera: Ensure all buffers are returned on disable
	staging: bcm2835-camera: Remove check of the number of buffers supplied
	staging: bcm2835-camera: Handle empty EOS buffers whilst streaming
	staging: rtl8712: reduce stack usage, again
	Linux 4.19.59

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I650890ad9d984de0fc729677bd29506cd21338be
 2019-07-14 08:44:38 +02:00
Todd Kjos
524ad00e80 binder: fix memory leak in error path 
commit 1909a671dbc3606685b1daf8b22a16f65ea7edda upstream.

syzkallar found a 32-byte memory leak in a rarely executed error
case. The transaction complete work item was not freed if put_user()
failed when writing the BR_TRANSACTION_COMPLETE to the user command
buffer. Fixed by freeing it before put_user() is called.

Reported-by: syzbot+182ce46596c3f2e1eb24@syzkaller.appspotmail.com
Signed-off-by: Todd Kjos <tkjos@google.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2019-07-14 08:11:21 +02:00
Todd Kjos
b14fd5b76a UPSTREAM: binder: check for overflow when alloc for security context 
commit 0b0509508beff65c1d50541861bc0d4973487dc5 upstream.

When allocating space in the target buffer for the security context,
make sure the extra_buffers_size doesn't overflow. This can only
happen if the given size is invalid, but an overflow can turn it
into a valid size. Fail the transaction if an overflow is detected.

Bug: 130571081
Change-Id: I03fa4c879895fe4f768d880f87dce329423bfb9a
Signed-off-by: Todd Kjos <tkjos@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2019-06-11 22:43:28 +00:00
Todd Kjos
9d57cfd4e9 binder: fix race between munmap() and direct reclaim 
commit 5cec2d2e5839f9c0fec319c523a911e0a7fd299f upstream.

An munmap() on a binder device causes binder_vma_close() to be called
which clears the alloc->vma pointer.

If direct reclaim causes binder_alloc_free_page() to be called, there
is a race where alloc->vma is read into a local vma pointer and then
used later after the mm->mmap_sem is acquired. This can result in
calling zap_page_range() with an invalid vma which manifests as a
use-after-free in zap_page_range().

The fix is to check alloc->vma after acquiring the mmap_sem (which we
were acquiring anyway) and skip zap_page_range() if it has changed
to NULL.

Cc: Ben Hutchings <ben.hutchings@codethink.co.uk>
Signed-off-by: Todd Kjos <tkjos@google.com>
Reviewed-by: Joel Fernandes (Google) <joel@joelfernandes.org>
Cc: stable <stable@vger.kernel.org> # 4.19
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2019-06-09 09:17:23 +02:00
Todd Kjos
137c838f17 Revert "binder: fix handling of misaligned binder object" 
This reverts commit 6bf7d3c5c0.

The commit message is for a different patch. Reverting and then adding
the same patch back with the correct commit message.

Reported-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
Cc: stable <stable@vger.kernel.org> # 4.19
Signed-off-by: Todd Kjos <tkjos@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2019-06-09 09:17:23 +02:00
Greg Kroah-Hartman
5e7b4fbe36 Merge 4.19.38 into android-4.19 
Changes in 4.19.38
	netfilter: nft_compat: use refcnt_t type for nft_xt reference count
	netfilter: nft_compat: make lists per netns
	netfilter: nf_tables: split set destruction in deactivate and destroy phase
	netfilter: nft_compat: destroy function must not have side effects
	netfilter: nf_tables: warn when expr implements only one of activate/deactivate
	netfilter: nf_tables: unbind set in rule from commit path
	netfilter: nft_compat: don't use refcount_inc on newly allocated entry
	netfilter: nft_compat: use .release_ops and remove list of extension
	netfilter: nf_tables: fix set double-free in abort path
	netfilter: nf_tables: bogus EBUSY when deleting set after flush
	netfilter: nf_tables: bogus EBUSY in helper removal from transaction
	net/ibmvnic: Fix RTNL deadlock during device reset
	net: mvpp2: fix validate for PPv2.1
	ext4: fix some error pointer dereferences
	tipc: handle the err returned from cmd header function
	loop: do not print warn message if partition scan is successful
	drm/rockchip: fix for mailbox read validation.
	vsock/virtio: fix kernel panic from virtio_transport_reset_no_sock
	ipvs: fix warning on unused variable
	powerpc/vdso32: fix CLOCK_MONOTONIC on PPC64
	ALSA: hda/ca0132 - Fix build error without CONFIG_PCI
	net: dsa: mv88e6xxx: add call to mv88e6xxx_ports_cmode_init to probe for new DSA framework
	cifs: fix memory leak in SMB2_read
	cifs: do not attempt cifs operation on smb2+ rename error
	tracing: Fix a memory leak by early error exit in trace_pid_write()
	tracing: Fix buffer_ref pipe ops
	gpio: eic: sprd: Fix incorrect irq type setting for the sync EIC
	zram: pass down the bvec we need to read into in the work struct
	lib/Kconfig.debug: fix build error without CONFIG_BLOCK
	MIPS: scall64-o32: Fix indirect syscall number load
	trace: Fix preempt_enable_no_resched() abuse
	IB/rdmavt: Fix frwr memory registration
	RDMA/mlx5: Do not allow the user to write to the clock page
	sched/numa: Fix a possible divide-by-zero
	ceph: only use d_name directly when parent is locked
	ceph: ensure d_name stability in ceph_dentry_hash()
	ceph: fix ci->i_head_snapc leak
	nfsd: Don't release the callback slot unless it was actually held
	sunrpc: don't mark uninitialised items as VALID.
	perf/x86/intel: Update KBL Package C-state events to also include PC8/PC9/PC10 counters
	Input: synaptics-rmi4 - write config register values to the right offset
	vfio/type1: Limit DMA mappings per container
	dmaengine: sh: rcar-dmac: With cyclic DMA residue 0 is valid
	dmaengine: sh: rcar-dmac: Fix glitch in dmaengine_tx_status
	ARM: 8857/1: efi: enable CP15 DMB instructions before cleaning the cache
	powerpc/mm/radix: Make Radix require HUGETLB_PAGE
	drm/vc4: Fix memory leak during gpu reset.
	Revert "drm/i915/fbdev: Actually configure untiled displays"
	drm/vc4: Fix compilation error reported by kbuild test bot
	USB: Add new USB LPM helpers
	USB: Consolidate LPM checks to avoid enabling LPM twice
	slip: make slhc_free() silently accept an error pointer
	intel_th: gth: Fix an off-by-one in output unassigning
	fs/proc/proc_sysctl.c: Fix a NULL pointer dereference
	workqueue: Try to catch flush_work() without INIT_WORK().
	binder: fix handling of misaligned binder object
	sched/deadline: Correctly handle active 0-lag timers
	NFS: Forbid setting AF_INET6 to "struct sockaddr_in"->sin_family.
	netfilter: ebtables: CONFIG_COMPAT: drop a bogus WARN_ON
	fm10k: Fix a potential NULL pointer dereference
	tipc: check bearer name with right length in tipc_nl_compat_bearer_enable
	tipc: check link name with right length in tipc_nl_compat_link_set
	net: netrom: Fix error cleanup path of nr_proto_init
	net/rds: Check address length before reading address family
	rxrpc: fix race condition in rxrpc_input_packet()
	aio: clear IOCB_HIPRI
	aio: use assigned completion handler
	aio: separate out ring reservation from req allocation
	aio: don't zero entire aio_kiocb aio_get_req()
	aio: use iocb_put() instead of open coding it
	aio: split out iocb copy from io_submit_one()
	aio: abstract out io_event filler helper
	aio: initialize kiocb private in case any filesystems expect it.
	aio: simplify - and fix - fget/fput for io_submit()
	pin iocb through aio.
	aio: fold lookup_kiocb() into its sole caller
	aio: keep io_event in aio_kiocb
	aio: store event at final iocb_put()
	Fix aio_poll() races
	x86, retpolines: Raise limit for generating indirect calls from switch-case
	x86/retpolines: Disable switch jump tables when retpolines are enabled
	mm: Fix warning in insert_pfn()
	x86/fpu: Don't export __kernel_fpu_{begin,end}()
	ipv4: add sanity checks in ipv4_link_failure()
	ipv4: set the tcp_min_rtt_wlen range from 0 to one day
	mlxsw: spectrum: Fix autoneg status in ethtool
	net/mlx5e: ethtool, Remove unsupported SFP EEPROM high pages query
	net: rds: exchange of 8K and 1M pool
	net/rose: fix unbound loop in rose_loopback_timer()
	net: stmmac: move stmmac_check_ether_addr() to driver probe
	net/tls: fix refcount adjustment in fallback
	stmmac: pci: Adjust IOT2000 matching
	team: fix possible recursive locking when add slaves
	net: hns: Fix WARNING when hns modules installed
	mlxsw: pci: Reincrease PCI reset timeout
	mlxsw: spectrum: Put MC TCs into DWRR mode
	net/mlx5e: Fix the max MTU check in case of XDP
	net/mlx5e: Fix use-after-free after xdp_return_frame
	net/tls: avoid potential deadlock in tls_set_device_offload_rx()
	net/tls: don't leak IV and record seq when offload fails
	powerpc/fsl: Add FSL_PPC_BOOK3E as supported arch for nospectre_v2 boot arg
	Linux 4.19.38

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
 2019-05-02 10:13:34 +02:00
Todd Kjos
6bf7d3c5c0 binder: fix handling of misaligned binder object 
commit 26528be6720bb40bc8844e97ee73a37e530e9c5e upstream.

Fixes crash found by syzbot:
kernel BUG at drivers/android/binder_alloc.c:LINE! (2)

Reported-and-tested-by: syzbot+55de1eb4975dec156d8f@syzkaller.appspotmail.com
Signed-off-by: Todd Kjos <tkjos@google.com>
Reviewed-by: Joel Fernandes (Google) <joel@joelfernandes.org>
Cc: stable <stable@vger.kernel.org> # 5.0, 4.19, 4.14
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2019-05-02 09:58:56 +02:00
Todd Kjos
1637f8d88b ANDROID: binder: remove extra declaration left after backport 
When backporting commit 1a7c3d9bb7a9 ("binder: create
userspace-to-binder-buffer copy function"), an extra "int target_fd;"
was left in the code. This resulted in the possibility of accessing
an uninitialized variable which was flagged by gcc.

Bug: 67668716
Change-Id: I787ed89579e9d40e8530d79be67cc663ec755e54
Signed-off-by: Todd Kjos <tkjos@google.com>
 2019-03-27 16:34:54 -07:00
Todd Kjos
684e11da1b FROMGIT: binder: fix BUG_ON found by selinux-testsuite 
The selinux-testsuite found an issue resulting in a BUG_ON()
where a conditional relied on a size_t going negative when
checking the validity of a buffer offset.

(cherry picked from commit 5997da82145bb7c9a56d834894cb81f81f219344
 git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git
 char-misc-linus)
Bug: 67668716
Change-Id: Ib3b408717141deadddcb6b95ad98c0b97d9d98ea
Fixes: 7a67a39320df ("binder: add function to copy binder object from buffer")
Reported-by: Paul Moore <paul@paul-moore.com>
Tested-by: Paul Moore <paul@paul-moore.com>
Signed-off-by: Todd Kjos <tkjos@google.com>
 2019-03-27 18:33:17 +00:00
Todd Kjos
129baead39 UPSTREAM: binder: fix handling of misaligned binder object 
Fixes crash found by syzbot:
kernel BUG at drivers/android/binder_alloc.c:LINE! (2)

(cherry pick from commit 26528be6720bb40bc8844e97ee73a37e530e9c5e)
Bug: 67668716
Reported-and-tested-by: syzbot+55de1eb4975dec156d8f@syzkaller.appspotmail.com
Signed-off-by: Todd Kjos <tkjos@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Change-Id: Ib8597dd05a158f78503d4affe6c5f46ded16a811
 2019-03-25 15:08:19 -07:00
Todd Kjos
85a050b00c UPSTREAM: binder: fix sparse issue in binder_alloc_selftest.c 
Fixes sparse issues reported by the kbuild test robot running
on https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git
char-misc-testing: bde4a19fc04f5 ("binder: use userspace pointer as base
of buffer space")

Error output (drivers/android/binder_alloc_selftest.c):
sparse: warning: incorrect type in assignment (different address spaces)
sparse:    expected void *page_addr
sparse:    got void [noderef] <asn:1> *user_data
sparse: error: subtraction of different types can't work

Fixed by adding necessary "__user" tags.

(cherry pick from commit 36f30937922ce75390c73f99e650e4f2eb56b0e6)
Bug: 67668716
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Todd Kjos <tkjos@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Change-Id: Ia0a16d163251381d4bc04f46a44dddbc18b10a85
 2019-03-25 15:08:19 -07:00
Todd Kjos
3d4f1ad199 BACKPORT: binder: use userspace pointer as base of buffer space 
Now that alloc->buffer points to the userspace vm_area
rename buffer->data to buffer->user_data and rename
local pointers that hold user addresses. Also use the
"__user" tag to annotate all user pointers so sparse
can flag cases where user pointer vaues  are copied to
kernel pointers. Refactor code to use offsets instead
of user pointers.

(cherry pick from commit bde4a19fc04f5f46298c86b1acb7a4af1d5f138d)
Bug: 67668716
Change-Id: I9d04b844c5994d1f6214da795799e6b373bc9816
Signed-off-by: Todd Kjos <tkjos@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2019-03-25 15:08:18 -07:00