vic
170 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Michael Bestas
|
81b4ee0bd4 |
Merge remote-tracking branch 'common/android-4.9-q' into android12-4.9-sdm845
* common/android-4.9-q:
Linux 4.9.309
llc: only change llc->dev when bind() succeeds
mac80211: fix potential double free on mesh join
crypto: qat - disable registration of algorithms
ACPI: video: Force backlight native for Clevo NL5xRU and NL5xNU
ACPI: battery: Add device HID and quirk for Microsoft Surface Go 3
ACPI / x86: Work around broken XSDT on Advantech DAC-BJ01 board
netfilter: nf_tables: initialize registers in nft_do_chain()
ALSA: pci: fix reading of swapped values from pcmreg in AC97 codec
ALSA: cmipci: Restore aux vol on suspend/resume
ALSA: usb-audio: Add mute TLV for playback volumes on RODE NT-USB
ALSA: pcm: Add stream lock during PCM reset ioctl operations
llc: fix netdevice reference leaks in llc_ui_bind()
staging: fbtft: fb_st7789v: reset display before initialization
net: ipv6: fix skb_over_panic in __ip6_append_data
nfc: st21nfca: Fix potential buffer overflows in EVT_TRANSACTION
Linux 4.9.308
Input: aiptek - properly check endpoint type
usb: gadget: Fix use-after-free bug by not setting udc->dev.driver
usb: gadget: rndis: prevent integer overflow in rndis_set_response()
atm: eni: Add check for dma_map_single
net/packet: fix slab-out-of-bounds access in packet_recvmsg()
fs: sysfs_emit: Remove PAGE_SIZE alignment check
kselftest/vm: fix tests build with old libc
sfc: extend the locking on mcdi->seqno
tcp: make tcp_read_sock() more robust
nl80211: Update bss channel on channel switch for P2P_CLIENT
atm: firestream: check the return value of ioremap() in fs_init()
can: rcar_canfd: rcar_canfd_channel_probe(): register the CAN device when fully ready
ARM: 9178/1: fix unmet dependency on BITREVERSE for HAVE_ARCH_BITREVERSE
MIPS: smp: fill in sibling and core maps earlier
ARM: dts: rockchip: fix a typo on rk3288 crypto-controller
xfrm: Fix xfrm migrate issues when address family changes
Linux 4.9.307
btrfs: unlock newly allocated extent buffer after error
ARM: fix Thumb2 regression with Spectre BHB
batman-adv: Don't expect inter-netns unique iflink indices
batman-adv: Request iflink once in batadv-on-batadv check
staging: gdm724x: fix use after free in gdm_lte_rx()
ARM: Spectre-BHB: provide empty stub for non-config
selftests/memfd: clean up mapping in mfd_fail_write
tracing: Ensure trace buffer is at least 4096 bytes large
Revert "xen-netback: Check for hotplug-status existence before watching"
net-sysfs: add check for netdevice being present to speed_show
sctp: fix kernel-infoleak for SCTP sockets
gpio: ts4900: Do not set DAT and OE together
NFC: port100: fix use-after-free in port100_send_complete
net/mlx5: Fix size field in bufferx_reg struct
ax25: Fix NULL pointer dereference in ax25_kill_by_device
net: ethernet: lpc_eth: Handle error for clk_enable
ethernet: Fix error handling in xemaclite_of_probe
qed: return status of qed_iov_get_link
net: qlogic: check the return value of dma_alloc_coherent() in qed_vf_hw_prepare()
Linux 4.9.306
xen/netfront: react properly to failing gnttab_end_foreign_access_ref()
xen/gnttab: fix gnttab_end_foreign_access() without page specified
xen: remove gnttab_query_foreign_access()
xen/gntalloc: don't use gnttab_query_foreign_access()
xen/scsifront: don't use gnttab_query_foreign_access() for mapped status
xen/netfront: don't use gnttab_query_foreign_access() for mapped status
xen/blkfront: don't use gnttab_query_foreign_access() for mapped status
xen/grant-table: add gnttab_try_end_foreign_access()
xen/xenbus: don't let xenbus_grant_ring() remove grants in error case
ARM: fix build warning in proc-v7-bugs.c
x86, modpost: Replace last remnants of RETPOLINE with CONFIG_RETPOLINE
x86/build: Fix compiler support check for CONFIG_RETPOLINE
ARM: Do not use NOCROSSREFS directive with ld.lld
ARM: fix co-processor register typo
ARM: fix build error when BPF_SYSCALL is disabled
ARM: include unprivileged BPF status in Spectre V2 reporting
ARM: Spectre-BHB workaround
ARM: use LOADADDR() to get load address of sections
ARM: early traps initialisation
ARM: report Spectre v2 status through sysfs
arm/arm64: smccc/psci: add arm_smccc_1_1_get_conduit()
arm/arm64: Provide a wrapper for SMCCC 1.1 calls
x86/speculation: Warn about eIBRS + LFENCE + Unprivileged eBPF + SMT
x86/speculation: Warn about Spectre v2 LFENCE mitigation
x86/speculation: Update link to AMD speculation whitepaper
x86/speculation: Use generic retpoline by default on AMD
x86/speculation: Include unprivileged eBPF status in Spectre v2 mitigation reporting
Documentation/hw-vuln: Update spectre doc
x86/speculation: Add eIBRS + Retpoline options
x86/speculation: Rename RETPOLINE_AMD to RETPOLINE_LFENCE
x86,bugs: Unconditionally allow spectre_v2=retpoline,amd
x86/speculation: Merge one test in spectre_v2_user_select_mitigation()
Documentation: refer to config RANDOMIZE_BASE for kernel address-space randomization
Documentation: Add swapgs description to the Spectre v1 documentation
Documentation: Add section about CPU vulnerabilities for Spectre
x86/retpoline: Remove minimal retpoline support
x86/retpoline: Make CONFIG_RETPOLINE depend on compiler support
x86/speculation: Add RETPOLINE_AMD support to the inline asm CALL_NOSPEC variant
Linux 4.9.305
hamradio: fix macro redefine warning
net: dcb: disable softirqs in dcbnl_flush_dev()
memfd: fix F_SEAL_WRITE after shmem huge page allocated
HID: add mapping for KEY_ALL_APPLICATIONS
Input: elan_i2c - fix regulator enable count imbalance after suspend/resume
Input: elan_i2c - move regulator_[en|dis]able() out of elan_[en|dis]able_power()
net: chelsio: cxgb3: check the return value of pci_find_capability()
soc: fsl: qe: Check of ioremap return value
ARM: 9182/1: mmu: fix returns from early_param() and __setup() functions
can: gs_usb: change active_channels's type from atomic_t to u8
efivars: Respect "block" flag in efivar_entry_set_safe()
net: arcnet: com20020: Fix null-ptr-deref in com20020pci_probe()
net: sxgbe: fix return value of __setup handler
net: stmmac: fix return value of __setup handler
mac80211: fix forwarded mesh frames AC & queue selection
firmware: qemu_fw_cfg: fix kobject leak in probe error path
firmware: Fix a reference count leak.
net: dcb: flush lingering app table entries for unregistered devices
netfilter: nf_queue: fix possible use-after-free
netfilter: nf_queue: don't assume sk is full socket
xfrm: fix MTU regression
ASoC: ops: Shift tested values in snd_soc_put_volsw() by +min
ata: pata_hpt37x: fix PCI clock detection
usb: gadget: clear related members when goto fail
usb: gadget: don't release an existing dev->buf
net: usb: cdc_mbim: avoid altsetting toggling for Telit FN990
i2c: qup: allow COMPILE_TEST
dmaengine: shdma: Fix runtime PM imbalance on error
cifs: fix double free race when mount fails in cifs_get_root()
Input: clear BTN_RIGHT/MIDDLE on buttonpads
i2c: bcm2835: Avoid clock stretching timeouts
mac80211_hwsim: initialize ieee80211_tx_info at hw_scan_work
mac80211_hwsim: report NOACK frames in tx_status
Linux 4.9.304
fget: clarify and improve __fget_files() implementation
memblock: use kfree() to release kmalloced memblock regions
tty: n_gsm: fix proper link termination after failed open
tty: n_gsm: fix encoding of control signal octet bit DV
xhci: Prevent futile URB re-submissions due to incorrect return value.
usb: dwc3: gadget: Let the interrupt handler disable bottom halves.
USB: serial: option: add Telit LE910R1 compositions
USB: serial: option: add support for DW5829e
tracefs: Set the group ownership in apply_options() not parse_options()
USB: gadget: validate endpoint index for xilinx udc
usb: gadget: rndis: add spinlock for rndis response list
Revert "USB: serial: ch341: add new Product ID for CH341A"
ata: pata_hpt37x: disable primary channel on HPT371
iio: adc: men_z188_adc: Fix a resource leak in an error handling path
RDMA/ib_srp: Fix a deadlock
configfs: fix a race in configfs_{,un}register_subsystem()
net/mlx5e: Fix wrong return value on ioctl EEPROM query failure
drm/edid: Always set RGB444
openvswitch: Fix setting ipv6 fields causing hw csum failure
gso: do not skip outer ip header in case of ipip and net_failover
net: __pskb_pull_tail() & pskb_carve_frag_list() drop_monitor friends
serial: 8250: of: Fix mapped region size when using reg-offset property
serial: 8250: fix error handling in of_platform_serial_probe()
USB: zaurus: support another broken Zaurus
sr9700: sanity check for packet length
parisc/unaligned: Fix ldw() and stw() unalignment handlers
parisc/unaligned: Fix fldd and fstd unaligned handlers on 32-bit kernel
vhost/vsock: don't check owner in vhost_vsock_stop() while releasing
mtd: rawnand: brcmnand: Fixed incorrect sub-page ECC status
Linux 4.9.303
net: usb: qmi_wwan: Add support for Dell DW5829e
tracing: Fix tp_printk option related with tp_printk_stop_on_boot
ata: libata-core: Disable TRIM on M88V29
NFS: Do not report writeback errors in nfs_getattr()
KVM: x86/pmu: Use AMD64_RAW_EVENT_MASK for PERF_TYPE_RAW
lib/iov_iter: initialize "flags" in new pipe_buffer
i2c: brcmstb: fix support for DSL and CM variants
EDAC: Fix calculation of returned address and next offset in edac_align_ptr()
NFS: LOOKUP_DIRECTORY is also ok with symlinks
ASoC: ops: Fix stereo change notifications in snd_soc_put_volsw_range()
ASoC: ops: Fix stereo change notifications in snd_soc_put_volsw()
ALSA: hda: Fix missing codec probe on Shenker Dock 15
ALSA: hda: Fix regression on forced probe mask option
libsubcmd: Fix use-after-free for realloc(..., 0)
drop_monitor: fix data-race in dropmon_net_event / trace_napi_poll_hit
iwlwifi: pcie: fix locking when "HW not ready"
vsock: remove vsock from connected table when connect is interrupted by a signal
vsock: correct removal of socket from the list
taskstats: Cleanup the use of task->exit_code
xfrm: Don't accidentally set RTO_ONLINK in decode_session4()
drm/radeon: Fix backlight control on iMac 12,1
quota: make dquot_quota_sync return errors from ->sync_fs
vfs: make freeze_super abort when sync_filesystem returns error
ax25: improve the incomplete fix to avoid UAF and NPD bugs
selftests/zram: Adapt the situation that /dev/zram0 is being used
selftests/zram01.sh: Fix compression ratio calculation
selftests/zram: Skip max_comp_streams interface on newer kernel
net: ieee802154: at86rf230: Stop leaking skb's
btrfs: send: in case of IO error log it
parisc: Fix sglist access in ccio-dma.c
parisc: Fix data TLB miss in sba_unmap_sg
serial: parisc: GSC: fix build when IOSAPIC is not set
net: usb: ax88179_178a: Fix out-of-bounds accesses in RX fixup
Makefile.extrawarn: Move -Wunaligned-access to W=1
UPSTREAM: net: fix skb_panic to output real address
UPSTREAM: xfrm: Make function xfrmi_get_link_net() static
UPSTREAM: xfrm: fix gro_cells leak when remove virtual xfrm interfaces
UPSTREAM: xfrm interface: fix memory leak on creation
UPSTREAM: xfrm: clone XFRMA_SET_MARK in xfrm_do_migrate
UPSTREAM: xfrm/compat: Translate by copying XFRMA_UNSPEC attribute
UPSTREAM: xfrm/compat: memset(0) 64-bit padding at right place
UPSTREAM: xfrm/compat: Don't allocate memory with __GFP_ZERO
UPSTREAM: xfrm/compat: Cleanup WARN()s that can be user-triggered
UPSTREAM: net: xfrm: fix memory leak in xfrm_user_rcv_msg
UPSTREAM: arm64/vdso: don't leak kernel addresses
UPSTREAM: tracing: make PREEMPTIRQ_EVENTS depend on TRACING
UPSTREAM: trace_uprobe: Use %lx to display offset
UPSTREAM: kprobes: Fix random address output of blacklist file
UPSTREAM: mm/huge_memory.c: __split_huge_page() use atomic ClearPageDirty()
UPSTREAM: x86/realmode: Don't leak the trampoline kernel address
UPSTREAM: bpf: bpf_prog_array_alloc() should return a generic non-rcu pointer
UPSTREAM: bpf: fix rcu annotations in compute_effective_progs()
UPSTREAM: optee: add writeback to valid memory type
UPSTREAM: lib/test_printf.c: accept "ptrval" as valid result for plain 'p' tests
UPSTREAM: kdb: use correct pointer when 'btc' calls 'btt'
UPSTREAM: kdb: print real address of pointers instead of hashed addresses
UPSTREAM: powerpc/traps: Fix the message printed when stack overflows
UPSTREAM: f2fs: should use GFP_NOFS for directory inodes
UPSTREAM: zram: off by one in read_block_state()
UPSTREAM: tee: fix put order in teedev_close_context()
UPSTREAM: vsprintf: Replace memory barrier with static_key for random_ptr_key update
UPSTREAM: ARM: 8896/1: VDSO: Don't leak kernel addresses
UPSTREAM: parisc: Show unhashed hardware inventory
UPSTREAM: parisc: Show initial kernel memory layout unhashed
UPSTREAM: parisc: Show unhashed HPA of Dino chip
UPSTREAM: parisc: Show unhashed EISA EEPROM address
UPSTREAM: HID: input: throttle battery uevents
UPSTREAM: HID: steam: select CONFIG_POWER_SUPPLY
UPSTREAM: HID: sony: Fix for broken buttons on DS3 USB dongles
UPSTREAM: HID: input: do not report stylus battery state as "full"
Linux 4.9.302
HID: wacom: add USB_HID dependency
hwmon: (dell-smm) Speed up setting of fan speed
USB: serial: cp210x: add CPI Bulk Coin Recycler id
USB: serial: cp210x: add NCR Retail IO box id
USB: serial: ch341: add support for GW Instek USB2.0-Serial devices
USB: serial: option: add ZTE MF286D modem
USB: serial: ftdi_sio: add support for Brainboxes US-159/235/320
usb: gadget: rndis: check size of RNDIS_MSG_SET command
USB: gadget: validate interface OS descriptor requests
usb: dwc3: gadget: Prevent core from processing stale TRBs
n_tty: wake up poll(POLLRDNORM) on receiving data
bpf: Add kconfig knob for disabling unpriv bpf by default
vt_ioctl: add array_index_nospec to VT_ACTIVATE
vt_ioctl: fix array_index_nospec in vt_setactivate
tipc: rate limit warning for received illegal binding update
net: fix a memleak when uncloning an skb dst and its metadata
net: do not keep the dst cache when uncloning an skb dst and its metadata
ipmr,ip6mr: acquire RTNL before calling ip[6]mr_free_table() on failure path
bonding: pair enable_port with slave_arr_updates
ARM: dts: imx6qdl-udoo: Properly describe the SD card detect
staging: fbtft: Fix error path in fbtft_driver_module_init()
ARM: dts: imx23-evk: Remove MX23_PAD_SSP1_DETECT from hog group
usb: dwc2: gadget: don't try to disable ep0 in dwc2_hsotg_suspend
scsi: target: iscsi: Make sure the np under each tpg is unique
NFSv4 remove zero number of fs_locations entries error check
nfs: nfs4clinet: check the return value of kstrdup()
NFSv4 only print the label when its queried
Revert "net: axienet: Wait for PhyRstCmplt after core reset"
ALSA: line6: Fix misplaced backport of "Fix wrong altsetting for LINE6_PODHD500_1"
serial: sh-sci: Fix misplaced backport of "Fix late enablement of AUTORTS"
Input: i8042 - Fix misplaced backport of "add ASUS Zenbook Flip to noselftest list"
NFSD: Clamp WRITE offsets
NFS: Fix initialisation of nfs_client cl_flags field
ima: Remove ima_policy file before directory
integrity: check the return value of audit_log_start()
Revert "tracefs: Have tracefs directories not set OTH permission bits by default"
Linux 4.9.301
tipc: improve size validations for received domain records
moxart: fix potential use-after-free on remove path
cgroup-v1: Require capabilities to set release_agent
Linux 4.9.300
ext4: fix error handling in ext4_restore_inline_data()
EDAC/xgene: Fix deferred probing
EDAC/altera: Fix deferred probing
rtc: cmos: Evaluate century appropriate
nfsd: nfsd4_setclientid_confirm mistakenly expires confirmed client.
scsi: bnx2fc: Make bnx2fc_recv_frame() mp safe
ASoC: fsl: Add missing error handling in pcm030_fabric_probe
net: macsec: Verify that send_sci is on when setting Tx sci explicitly
net: ieee802154: Return meaningful error codes from the netlink helpers
spi: mediatek: Avoid NULL pointer crash in interrupt
spi: bcm-qspi: check for valid cs before applying chip select
iommu/amd: Fix loop timeout issue in iommu_ga_log_enable()
drm/nouveau: fix off by one in BIOS boundary checking
ASoC: ops: Reject out of bounds values in snd_soc_put_xr_sx()
ASoC: ops: Reject out of bounds values in snd_soc_put_volsw_sx()
ASoC: ops: Reject out of bounds values in snd_soc_put_volsw()
af_packet: fix data-race in packet_setsockopt / packet_setsockopt
rtnetlink: make sure to refresh master_dev/m_ops in __rtnl_newlink()
net: amd-xgbe: Fix skb data length underflow
net: amd-xgbe: ensure to reset the tx_timer_active flag
ipheth: fix EOVERFLOW in ipheth_rcvbulk_callback
netfilter: nat: limit port clash resolution attempts
netfilter: nat: remove l4 protocol port rovers
ipv4: tcp: send zero IPID in SYNACK messages
ipv4: raw: lock the socket in raw_bind()
hwmon: (lm90) Reduce maximum conversion rate for G781
drm/msm: Fix wrong size calculation
net-procfs: show net devices bound packet types
NFSv4: nfs_atomic_open() can race when looking up a non-regular file
NFSv4: Handle case where the lookup of a directory fails
ipv4: avoid using shared IP generator for connected sockets
net: fix information leakage in /proc/net/ptype
ipv6_tunnel: Rate limit warning messages
scsi: bnx2fc: Flush destroy_work queue before calling bnx2fc_interface_put()
powerpc/32: Fix boot failure with GCC latent entropy plugin
USB: core: Fix hang in usb_kill_urb by adding memory barriers
usb: gadget: f_sourcesink: Fix isoc transfer for USB_SPEED_SUPER_PLUS
usb-storage: Add unusual-devs entry for VL817 USB-SATA bridge
tty: Add support for Brainboxes UC cards.
tty: n_gsm: fix SW flow control encoding/handling
serial: stm32: fix software flow control transfer
PM: wakeup: simplify the output logic of pm_show_wakelocks()
udf: Fix NULL ptr deref when converting from inline format
udf: Restore i_lenAlloc when inode expansion fails
scsi: zfcp: Fix failed recovery on gone remote port with non-NPIV FCP devices
s390/hypfs: include z/VM guests with access control group set
Bluetooth: refactor malicious adv data check
can: bcm: fix UAF of bcm op
BACKPORT: ipv6: Implement draft-ietf-6man-rfc4941bis
Linux 4.9.299
ion: Do not 'put' ION handle until after its final use
ion: Protect kref from userspace manipulation
ion: Fix use after free during ION_IOC_ALLOC
ARM: 8800/1: use choice for kernel unwinders
KVM: X86: MMU: Use the correct inherited permissions to get shadow page
KVM: nVMX: fix EPT permissions as reported in exit qualification
NFSv4: Initialise connection to the server in nfs4_alloc_client()
media: firewire: firedtv-avc: fix a buffer overflow in avc_ca_pmt()
drm/i915: Flush TLBs before releasing backing store
Linux 4.9.298
KVM: do not allow mapping valid but non-reference-counted pages
KVM: Use kvm_pfn_t for local PFN variable in hva_to_pfn_remapped()
KVM: do not assume PTE is writable after follow_pfn
mm: add follow_pte_pmd()
lib/timerqueue: Rely on rbtree semantics for next timer
rbtree: cache leftmost node internally
cipso,calipso: resolve a number of problems with the DOI refcounts
gianfar: fix jumbo packets+napi+rx overrun crash
gianfar: simplify FCS handling and fix memory leak
drm/ttm/nouveau: don't call tt destroy callback on alloc failure.
gup: document and work around "COW can break either way" issue
Revert "gup: document and work around "COW can break either way" issue"
lib82596: Fix IRQ check in sni_82596_probe
scripts/dtc: dtx_diff: remove broken example from help text
bcmgenet: add WOL IRQ check
net_sched: restore "mpu xxx" handling
dmaengine: at_xdmac: Fix at_xdmac_lld struct definition
dmaengine: at_xdmac: Fix lld view setting
dmaengine: at_xdmac: Print debug message after realeasing the lock
dmaengine: at_xdmac: Don't start transactions at tx_submit level
libcxgb: Don't accidentally set RTO_ONLINK in cxgb_find_route()
netns: add schedule point in ops_exit_list()
net: axienet: fix number of TX ring slots for available check
net: axienet: Wait for PhyRstCmplt after core reset
af_unix: annote lockless accesses to unix_tot_inflight & gc_in_progress
parisc: pdc_stable: Fix memory leak in pdcs_register_pathentries
net/fsl: xgmac_mdio: Fix incorrect iounmap when removing module
powerpc/fsl/dts: Enable WA for erratum A-009885 on fman3l MDIO buses
RDMA/rxe: Fix a typo in opcode name
RDMA/hns: Modify the mapping attribute of doorbell to device
drm/radeon: fix error handling in radeon_driver_open_kms
fuse: fix live lock in fuse_iget()
fuse: fix bad inode
ext4: don't use the orphan list when migrating an inode
ext4: Fix BUG_ON in ext4_bread when write quota data
ext4: set csum seed in tmp inode while migrating to extents
iwlwifi: mvm: Increase the scan timeout guard to 30 seconds
ubifs: Error path in ubifs_remount_rw() seems to wrongly free write buffers
power: bq25890: Enable continuous conversion for ADC at charging
ASoC: mediatek: mt8173: fix device_node leak
scsi: sr: Don't use GFP_DMA
MIPS: Octeon: Fix build errors using clang
i2c: designware-pci: Fix to change data types of hcnt and lcnt parameters
ALSA: seq: Set upper limit of processed events
w1: Misuse of get_user()/put_user() reported by sparse
i2c: mpc: Correct I2C reset procedure
powerpc/smp: Move setup_profiling_timer() under CONFIG_PROFILING
i2c: i801: Don't silently correct invalid transfer size
powerpc/btext: add missing of_node_put
powerpc/cell: add missing of_node_put
powerpc/powernv: add missing of_node_put
powerpc/6xx: add missing of_node_put
parisc: Avoid calling faulthandler_disabled() twice
serial: core: Keep mctrl register state and cached copy in sync
serial: pl010: Drop CR register reset on set_termios
dm space map common: add bounds check to sm_ll_lookup_bitmap()
dm btree: add a defensive bounds check to insert_at()
net: mdio: Demote probed message to debug print
btrfs: remove BUG_ON(!eie) in find_parent_nodes
btrfs: remove BUG_ON() in find_parent_nodes()
ACPICA: Executer: Fix the REFCLASS_REFOF case in acpi_ex_opcode_1A_0T_1R()
ACPICA: Utilities: Avoid deleting the same object twice in a row
jffs2: GC deadlock reading a page that is used in jffs2_write_begin()
um: registers: Rename function names to avoid conflicts and build problems
ath9k: Fix out-of-bound memcpy in ath9k_hif_usb_rx_stream
usb: hub: Add delay for SuperSpeed hub resume to let links transit to U0
media: saa7146: hexium_gemini: Fix a NULL pointer dereference in hexium_attach()
media: igorplugusb: receiver overflow should be reported
net: bonding: debug: avoid printing debug logs when bond is not notifying peers
ath10k: Fix tx hanging
iwlwifi: mvm: synchronize with FW after multicast commands
media: m920x: don't use stack on USB reads
media: saa7146: hexium_orion: Fix a NULL pointer dereference in hexium_attach()
floppy: Add max size check for user space request
mwifiex: Fix skb_over_panic in mwifiex_usb_recv()
HSI: core: Fix return freed object in hsi_new_client
gpiolib: acpi: Do not set the IRQ type if the IRQ is already in use
media: b2c2: Add missing check in flexcop_pci_isr:
HID: apple: Do not reset quirks when the Fn key is not found
usb: gadget: f_fs: Use stream_open() for endpoint files
ar5523: Fix null-ptr-deref with unexpected WDCMSG_TARGET_START reply
fs: dlm: filter user dlm messages for kernel locks
Bluetooth: Fix debugfs entry leak in hci_register_dev()
RDMA/cxgb4: Set queue pair state when being queried
mips: bcm63xx: add support for clk_set_parent()
mips: lantiq: add support for clk_set_parent()
misc: lattice-ecp3-config: Fix task hung when firmware load failed
ASoC: samsung: idma: Check of ioremap return value
dmaengine: pxa/mmp: stop referencing config->slave_id
RDMA/core: Let ib_find_gid() continue search even after empty entry
scsi: ufs: Fix race conditions related to driver data
char/mwave: Adjust io port register size
ALSA: oss: fix compile error when OSS_DEBUG is enabled
powerpc/prom_init: Fix improper check of prom_getprop()
RDMA/hns: Validate the pkey index
ALSA: hda: Add missing rwsem around snd_ctl_remove() calls
ALSA: PCM: Add missing rwsem around snd_ctl_remove() calls
ALSA: jack: Add missing rwsem around snd_ctl_remove() calls
ext4: avoid trim error on fs with small groups
net: mcs7830: handle usb read errors properly
pcmcia: fix setting of kthread task states
can: xilinx_can: xcan_probe(): check for error irq
can: softing: softing_startstop(): fix set but not used variable warning
spi: spi-meson-spifc: Add missing pm_runtime_disable() in meson_spifc_probe
fsl/fman: Check for null pointer after calling devm_ioremap
ppp: ensure minimum packet size in ppp_write()
pcmcia: rsrc_nonstatic: Fix a NULL pointer dereference in nonstatic_find_mem_region()
pcmcia: rsrc_nonstatic: Fix a NULL pointer dereference in __nonstatic_find_io_region()
usb: ftdi-elan: fix memory leak on device disconnect
media: msi001: fix possible null-ptr-deref in msi001_probe()
media: si2157: Fix "warm" tuner state detection
media: saa7146: mxb: Fix a NULL pointer dereference in mxb_attach()
media: dib8000: Fix a memleak in dib8000_init()
floppy: Fix hang in watchdog when disk is ejected
serial: amba-pl011: do not request memory region twice
drm/radeon/radeon_kms: Fix a NULL pointer dereference in radeon_driver_open_kms()
drm/amdgpu: Fix a NULL pointer dereference in amdgpu_connector_lcd_native_mode()
arm64: dts: qcom: msm8916: fix MMC controller aliases
netfilter: bridge: add support for pppoe filtering
tty: serial: atmel: Call dma_async_issue_pending()
tty: serial: atmel: Check return code of dmaengine_submit()
crypto: qce - fix uaf on qce_ahash_register_one
media: dmxdev: fix UAF when dvb_register_device() fails
Bluetooth: stop proccessing malicious adv data
wcn36xx: Indicate beacon not connection loss on MISSED_BEACON_IND
Bluetooth: cmtp: fix possible panic when cmtp_init_sockets() fails
shmem: fix a race between shmem_unused_huge_shrink and shmem_evict_inode
PCI: Add function 1 DMA alias quirk for Marvell 88SE9125 SATA controller
can: softing_cs: softingcs_probe(): fix memleak on registration failure
media: stk1160: fix control-message timeouts
media: pvrusb2: fix control-message timeouts
media: redrat3: fix control-message timeouts
media: dib0700: fix undefined behavior in tuner shutdown
media: s2255: fix control-message timeouts
media: cpia2: fix control-message timeouts
media: em28xx: fix control-message timeouts
media: mceusb: fix control-message timeouts
media: flexcop-usb: fix control-message timeouts
rtc: cmos: take rtc_lock while reading from CMOS
nfc: llcp: fix NULL error pointer dereference on sendmsg() after failed bind()
HID: wacom: Avoid using stale array indicies to read contact count
HID: uhid: Fix worker destroying device without any protection
rtlwifi: rtl8192cu: Fix WARNING when calling local_irq_restore() with interrupts enabled
media: uvcvideo: fix division by zero at stream start
drm/i915: Avoid bitwise vs logical OR warning in snb_wm_latency_quirk()
staging: wlan-ng: Avoid bitwise vs logical OR warning in hfa384x_usb_throttlefn()
random: fix data race on crng init time
random: fix data race on crng_node_pool
can: gs_usb: gs_can_start_xmit(): zero-initialize hf->{flags,reserved}
can: gs_usb: fix use of uninitialized variable, detach device on reception of invalid USB data
mfd: intel-lpss: Fix too early PM enablement in the ACPI ->probe()
USB: Fix "slab-out-of-bounds Write" bug in usb_hcd_poll_rh_status
USB: core: Fix bug in resuming hub's handling of wakeup requests
Bluetooth: bfusb: fix division by zero in send path
Linux 4.9.297
power: reset: ltc2952: Fix use of floating point literals
mISDN: change function names to avoid conflicts
net: udp: fix alignment problem in udp4_seq_show()
ip6_vti: initialize __ip6_tnl_parm struct in vti6_siocdevprivate
scsi: libiscsi: Fix UAF in iscsi_conn_get_param()/iscsi_conn_teardown()
phonet: refcount leak in pep_sock_accep
arm64: sysreg: Move to use definitions for all the SCTLR bits
arm64: move !VHE work to end of el2_setup
arm64: reduce el2_setup branching
arm64: Remove a redundancy in sysreg.h
bug: split BUILD_BUG stuff out into <linux/build_bug.h>
rndis_host: support Hytera digital radios
xfs: map unwritten blocks in XFS_IOC_{ALLOC,FREE}SP just like fallocate
sch_qfq: prevent shift-out-of-bounds in qfq_init_qdisc
i40e: Fix incorrect netdev's real number of RX/TX queues
mac80211: initialize variable have_higher_than_11mbit
ieee802154: atusb: fix uninit value in atusb_set_extended_addr
virtio_pci: Support surprise removal of virtio pci device
tracing: Tag trace_percpu_buffer as a percpu pointer
tracing: Fix check for trace_percpu_buffer validity in get_trace_buf()
Bluetooth: btusb: Apply QCA Rome patches for some ATH3012 models
Linux 4.9.296
net: fix use-after-free in tw_timer_handler
Input: spaceball - fix parsing of movement data packets
Input: appletouch - initialize work before device registration
scsi: vmw_pvscsi: Set residual data length conditionally
usb: gadget: f_fs: Clear ffs_eventfd in ffs_data_clear.
xhci: Fresco FL1100 controller should not have BROKEN_MSI quirk set.
uapi: fix linux/nfc.h userspace compilation errors
nfc: uapi: use kernel size_t to fix user-space builds
fsl/fman: Fix missing put_device() call in fman_port_probe
selinux: initialize proto variable in selinux_ip_postroute_compat()
recordmcount.pl: fix typo in s390 mcount regex
platform/x86: apple-gmux: use resource_size() with res
HID: asus: Add depends on USB_HID to HID_ASUS Kconfig option
Linux 4.9.295
phonet/pep: refuse to enable an unbound pipe
hamradio: improve the incomplete fix to avoid NPD
hamradio: defer ax25 kfree after unregister_netdev
ax25: NPD bug when detaching AX25 device
hwmon: (lm90) Do not report 'busy' status bit as alarm
ARM: 9169/1: entry: fix Thumb2 bug in iWMMXt exception handling
x86/pkey: Fix undefined behaviour with PKRU_WD_BIT
ALSA: drivers: opl3: Fix incorrect use of vp->state
ALSA: jack: Check the return value of kstrdup()
hwmon: (lm90) Fix usage of CONFIG2 register in detect function
drivers: net: smc911x: Check for error irq
fjes: Check for error irq
bonding: fix ad_actor_system option setting to default
qlcnic: potential dereference null pointer of rx_queue->page_ring
IB/qib: Fix memory leak in qib_user_sdma_queue_pkts()
HID: holtek: fix mouse probing
can: kvaser_usb: get CAN clock frequency from device
net: usb: lan78xx: add Allied Telesis AT29M2-AF
Conflicts:
arch/arm64/kernel/vdso.c
drivers/media/dvb-core/dmxdev.c
drivers/staging/android/ion/ion-ioctl.c
drivers/staging/android/ion/ion.c
drivers/staging/android/ion/ion.h
drivers/staging/android/ion/ion_priv.h
drivers/usb/gadget/function/rndis.c
drivers/usb/gadget/function/rndis.h
net/ipv6/ip6_output.c
Change-Id: I5132ec2ed3ff01e17e9cfbeed813098fede7f84c
|
||
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Greg Kroah-Hartman
|
bf0024db2f |
Merge 4.9.306 into android-4.9-q
Changes in 4.9.306 x86/speculation: Add RETPOLINE_AMD support to the inline asm CALL_NOSPEC variant x86/retpoline: Make CONFIG_RETPOLINE depend on compiler support x86/retpoline: Remove minimal retpoline support Documentation: Add section about CPU vulnerabilities for Spectre Documentation: Add swapgs description to the Spectre v1 documentation Documentation: refer to config RANDOMIZE_BASE for kernel address-space randomization x86/speculation: Merge one test in spectre_v2_user_select_mitigation() x86,bugs: Unconditionally allow spectre_v2=retpoline,amd x86/speculation: Rename RETPOLINE_AMD to RETPOLINE_LFENCE x86/speculation: Add eIBRS + Retpoline options Documentation/hw-vuln: Update spectre doc x86/speculation: Include unprivileged eBPF status in Spectre v2 mitigation reporting x86/speculation: Use generic retpoline by default on AMD x86/speculation: Update link to AMD speculation whitepaper x86/speculation: Warn about Spectre v2 LFENCE mitigation x86/speculation: Warn about eIBRS + LFENCE + Unprivileged eBPF + SMT arm/arm64: Provide a wrapper for SMCCC 1.1 calls arm/arm64: smccc/psci: add arm_smccc_1_1_get_conduit() ARM: report Spectre v2 status through sysfs ARM: early traps initialisation ARM: use LOADADDR() to get load address of sections ARM: Spectre-BHB workaround ARM: include unprivileged BPF status in Spectre V2 reporting ARM: fix build error when BPF_SYSCALL is disabled ARM: fix co-processor register typo ARM: Do not use NOCROSSREFS directive with ld.lld x86/build: Fix compiler support check for CONFIG_RETPOLINE x86, modpost: Replace last remnants of RETPOLINE with CONFIG_RETPOLINE ARM: fix build warning in proc-v7-bugs.c xen/xenbus: don't let xenbus_grant_ring() remove grants in error case xen/grant-table: add gnttab_try_end_foreign_access() xen/blkfront: don't use gnttab_query_foreign_access() for mapped status xen/netfront: don't use gnttab_query_foreign_access() for mapped status xen/scsifront: don't use gnttab_query_foreign_access() for mapped status xen/gntalloc: don't use gnttab_query_foreign_access() xen: remove gnttab_query_foreign_access() xen/gnttab: fix gnttab_end_foreign_access() without page specified xen/netfront: react properly to failing gnttab_end_foreign_access_ref() Linux 4.9.306 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> Change-Id: I8083a622bda3bf4418f266a34c96d8175bc5e933 |
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WANG Chao
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31fb07f2a9 |
x86, modpost: Replace last remnants of RETPOLINE with CONFIG_RETPOLINE
commit e4f358916d528d479c3c12bd2fd03f2d5a576380 upstream.
Commit
4cd24de3a098 ("x86/retpoline: Make CONFIG_RETPOLINE depend on compiler support")
replaced the RETPOLINE define with CONFIG_RETPOLINE checks. Remove the
remaining pieces.
[ bp: Massage commit message. ]
Fixes: 4cd24de3a098 ("x86/retpoline: Make CONFIG_RETPOLINE depend on compiler support")
Signed-off-by: WANG Chao <chao.wang@ucloud.cn>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Zhenzhong Duan <zhenzhong.duan@oracle.com>
Reviewed-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: David Woodhouse <dwmw@amazon.co.uk>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Jessica Yu <jeyu@kernel.org>
Cc: Jiri Kosina <jkosina@suse.cz>
Cc: Kees Cook <keescook@chromium.org>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Cc: Michal Marek <michal.lkml@markovi.net>
Cc: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Tim Chen <tim.c.chen@linux.intel.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: linux-kbuild@vger.kernel.org
Cc: srinivas.eeda@oracle.com
Cc: stable <stable@vger.kernel.org>
Cc: x86-ml <x86@kernel.org>
Link: https://lkml.kernel.org/r/20181210163725.95977-1-chao.wang@ucloud.cn
[bwh: Backported to 4.9: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Greg Kroah-Hartman
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4ebd29edaf |
Merge 4.9.188 into android-4.9-q
Changes in 4.9.188 ARM: riscpc: fix DMA ARM: dts: rockchip: Make rk3288-veyron-minnie run at hs200 ARM: dts: rockchip: Make rk3288-veyron-mickey's emmc work again ARM: dts: rockchip: Mark that the rk3288 timer might stop in suspend ftrace: Enable trampoline when rec count returns back to one kernel/module.c: Only return -EEXIST for modules that have finished loading MIPS: lantiq: Fix bitfield masking dmaengine: rcar-dmac: Reject zero-length slave DMA requests fs/adfs: super: fix use-after-free bug btrfs: fix minimum number of chunk errors for DUP ceph: fix improper use of smp_mb__before_atomic() ceph: return -ERANGE if virtual xattr value didn't fit in buffer scsi: zfcp: fix GCC compiler warning emitted with -Wmaybe-uninitialized ACPI: fix false-positive -Wuninitialized warning be2net: Signal that the device cannot transmit during reconfiguration x86/apic: Silence -Wtype-limits compiler warnings x86: math-emu: Hide clang warnings for 16-bit overflow mm/cma.c: fail if fixed declaration can't be honored coda: add error handling for fget coda: fix build using bare-metal toolchain uapi linux/coda_psdev.h: move upc_req definition from uapi to kernel side headers drivers/rapidio/devices/rio_mport_cdev.c: NUL terminate some strings ipc/mqueue.c: only perform resource calculation if user valid x86/kvm: Don't call kvm_spurious_fault() from .fixup x86, boot: Remove multiple copy of static function sanitize_boot_params() kbuild: initialize CLANG_FLAGS correctly in the top Makefile Btrfs: fix incremental send failure after deduplication mmc: dw_mmc: Fix occasional hang after tuning on eMMC gpiolib: fix incorrect IRQ requesting of an active-low lineevent selinux: fix memory leak in policydb_init() s390/dasd: fix endless loop after read unit address configuration drivers/perf: arm_pmu: Fix failure path in PM notifier xen/swiotlb: fix condition for calling xen_destroy_contiguous_region() IB/mlx5: Fix RSS Toeplitz setup to be aligned with the HW specification coredump: fix race condition between mmget_not_zero()/get_task_mm() and core dumping infiniband: fix race condition between infiniband mlx4, mlx5 driver and core dumping coredump: fix race condition between collapse_huge_page() and core dumping eeprom: at24: make spd world-readable again Backport minimal compiler_attributes.h to support GCC 9 include/linux/module.h: copy __init/__exit attrs to init/cleanup_module objtool: Support GCC 9 cold subfunction naming scheme x86, mm, gup: prevent get_page() race with munmap in paravirt guest Linux 4.9.188 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> |
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Greg Kroah-Hartman
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d4fff2d0a8 |
Merge 4.9.188 into android-4.9
Changes in 4.9.188 ARM: riscpc: fix DMA ARM: dts: rockchip: Make rk3288-veyron-minnie run at hs200 ARM: dts: rockchip: Make rk3288-veyron-mickey's emmc work again ARM: dts: rockchip: Mark that the rk3288 timer might stop in suspend ftrace: Enable trampoline when rec count returns back to one kernel/module.c: Only return -EEXIST for modules that have finished loading MIPS: lantiq: Fix bitfield masking dmaengine: rcar-dmac: Reject zero-length slave DMA requests fs/adfs: super: fix use-after-free bug btrfs: fix minimum number of chunk errors for DUP ceph: fix improper use of smp_mb__before_atomic() ceph: return -ERANGE if virtual xattr value didn't fit in buffer scsi: zfcp: fix GCC compiler warning emitted with -Wmaybe-uninitialized ACPI: fix false-positive -Wuninitialized warning be2net: Signal that the device cannot transmit during reconfiguration x86/apic: Silence -Wtype-limits compiler warnings x86: math-emu: Hide clang warnings for 16-bit overflow mm/cma.c: fail if fixed declaration can't be honored coda: add error handling for fget coda: fix build using bare-metal toolchain uapi linux/coda_psdev.h: move upc_req definition from uapi to kernel side headers drivers/rapidio/devices/rio_mport_cdev.c: NUL terminate some strings ipc/mqueue.c: only perform resource calculation if user valid x86/kvm: Don't call kvm_spurious_fault() from .fixup x86, boot: Remove multiple copy of static function sanitize_boot_params() kbuild: initialize CLANG_FLAGS correctly in the top Makefile Btrfs: fix incremental send failure after deduplication mmc: dw_mmc: Fix occasional hang after tuning on eMMC gpiolib: fix incorrect IRQ requesting of an active-low lineevent selinux: fix memory leak in policydb_init() s390/dasd: fix endless loop after read unit address configuration drivers/perf: arm_pmu: Fix failure path in PM notifier xen/swiotlb: fix condition for calling xen_destroy_contiguous_region() IB/mlx5: Fix RSS Toeplitz setup to be aligned with the HW specification coredump: fix race condition between mmget_not_zero()/get_task_mm() and core dumping infiniband: fix race condition between infiniband mlx4, mlx5 driver and core dumping coredump: fix race condition between collapse_huge_page() and core dumping eeprom: at24: make spd world-readable again Backport minimal compiler_attributes.h to support GCC 9 include/linux/module.h: copy __init/__exit attrs to init/cleanup_module objtool: Support GCC 9 cold subfunction naming scheme x86, mm, gup: prevent get_page() race with munmap in paravirt guest Linux 4.9.188 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> |
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Miguel Ojeda
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2c34c215c1 |
include/linux/module.h: copy __init/__exit attrs to init/cleanup_module
commit a6e60d84989fa0e91db7f236eda40453b0e44afa upstream. The upcoming GCC 9 release extends the -Wmissing-attributes warnings (enabled by -Wall) to C and aliases: it warns when particular function attributes are missing in the aliases but not in their target. In particular, it triggers for all the init/cleanup_module aliases in the kernel (defined by the module_init/exit macros), ending up being very noisy. These aliases point to the __init/__exit functions of a module, which are defined as __cold (among other attributes). However, the aliases themselves do not have the __cold attribute. Since the compiler behaves differently when compiling a __cold function as well as when compiling paths leading to calls to __cold functions, the warning is trying to point out the possibly-forgotten attribute in the alias. In order to keep the warning enabled, we decided to silence this case. Ideally, we would mark the aliases directly as __init/__exit. However, there are currently around 132 modules in the kernel which are missing __init/__exit in their init/cleanup functions (either because they are missing, or for other reasons, e.g. the functions being called from somewhere else); and a section mismatch is a hard error. A conservative alternative was to mark the aliases as __cold only. However, since we would like to eventually enforce __init/__exit to be always marked, we chose to use the new __copy function attribute (introduced by GCC 9 as well to deal with this). With it, we copy the attributes used by the target functions into the aliases. This way, functions that were not marked as __init/__exit won't have their aliases marked either, and therefore there won't be a section mismatch. Note that the warning would go away marking either the extern declaration, the definition, or both. However, we only mark the definition of the alias, since we do not want callers (which only see the declaration) to be compiled as if the function was __cold (and therefore the paths leading to those calls would be assumed to be unlikely). Link: https://lore.kernel.org/lkml/259986242.BvXPX32bHu@devpool35/ Cc: <stable@vger.kernel.org> Link: https://lore.kernel.org/lkml/20190123173707.GA16603@gmail.com/ Link: https://lore.kernel.org/lkml/20190206175627.GA20399@gmail.com/ Suggested-by: Martin Sebor <msebor@gcc.gnu.org> Acked-by: Jessica Yu <jeyu@kernel.org> Signed-off-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Tri Vo
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f0fee0a761 |
UPSTREAM: module: add stubs for within_module functions
Provide stubs for within_module_core(), within_module_init(), and within_module() to prevent build errors when !CONFIG_MODULES. Suggested-by: Matthew Wilcox <willy@infradead.org> Reported-by: Randy Dunlap <rdunlap@infradead.org> Reported-by: kbuild test robot <lkp@intel.com> Link: https://marc.info/?l=linux-mm&m=155384681109231&w=2 Signed-off-by: Tri Vo <trong@android.com> Signed-off-by: Jessica Yu <jeyu@kernel.org> (cherry picked from commit dadec066d8fa7da227f623f632ea114690fecaf8) Bug: 132997968 Test: defconfig + CONFIG_GCOV_KERNEL records coverage Change-Id: I69448d0721a5174d4f39fff0774a86361f37b8ef |
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Arnd Bergmann
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e21538812d |
modules: mark __inittest/__exittest as __maybe_unused
commit 1f318a8bafcfba9f0d623f4870c4e890fd22e659 upstream. clang warns about unused inline functions by default: arch/arm/crypto/aes-cipher-glue.c:68:1: warning: unused function '__inittest' [-Wunused-function] arch/arm/crypto/aes-cipher-glue.c:69:1: warning: unused function '__exittest' [-Wunused-function] As these appear in every single module, let's just disable the warnings by marking the two functions as __maybe_unused. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Miroslav Benes <mbenes@suse.cz> Acked-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Jessica Yu <jeyu@redhat.com> Signed-off-by: Nick Desaulniers <ndesaulniers@google.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Sami Tolvanen
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00a195e7c0 |
add support for clang Control Flow Integrity (CFI)
This change adds the CONFIG_CFI_CLANG option, CFI error handling, and a faster look-up table for cross module CFI checks. Bug: 67506682 Change-Id: Ic009f0a629b552a0eb16e6d89808c7029e91447d Signed-off-by: Sami Tolvanen <samitolvanen@google.com> |
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Greg Kroah-Hartman
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f8bbe517d0 |
Merge 4.9.81 into android-4.9
Changes in 4.9.81
powerpc/pseries: Add H_GET_CPU_CHARACTERISTICS flags & wrapper
powerpc/64: Add macros for annotating the destination of rfid/hrfid
powerpc/64: Convert fast_exception_return to use RFI_TO_USER/KERNEL
powerpc/64: Convert the syscall exit path to use RFI_TO_USER/KERNEL
powerpc/64s: Convert slb_miss_common to use RFI_TO_USER/KERNEL
powerpc/64s: Add support for RFI flush of L1-D cache
powerpc/64s: Support disabling RFI flush with no_rfi_flush and nopti
powerpc/pseries: Query hypervisor for RFI flush settings
powerpc/powernv: Check device-tree for RFI flush settings
powerpc/64s: Wire up cpu_show_meltdown()
powerpc/64s: Allow control of RFI flush via debugfs
auxdisplay: img-ascii-lcd: add missing MODULE_DESCRIPTION/AUTHOR/LICENSE
pinctrl: pxa: pxa2xx: add missing MODULE_DESCRIPTION/AUTHOR/LICENSE
ASoC: pcm512x: add missing MODULE_DESCRIPTION/AUTHOR/LICENSE
kaiser: fix intel_bts perf crashes
x86/pti: Make unpoison of pgd for trusted boot work for real
kaiser: allocate pgd with order 0 when pti=off
serial: core: mark port as initialized after successful IRQ change
ip6mr: fix stale iterator
net: igmp: add a missing rcu locking section
qlcnic: fix deadlock bug
qmi_wwan: Add support for Quectel EP06
r8169: fix RTL8168EP take too long to complete driver initialization.
tcp: release sk_frag.page in tcp_disconnect
vhost_net: stop device during reset owner
tcp_bbr: fix pacing_gain to always be unity when using lt_bw
cls_u32: add missing RCU annotation.
ipv6: Fix SO_REUSEPORT UDP socket with implicit sk_ipv6only
soreuseport: fix mem leak in reuseport_add_sock()
x86/asm: Fix inline asm call constraints for GCC 4.4
x86/microcode/AMD: Do not load when running on a hypervisor
media: soc_camera: soc_scale_crop: add missing MODULE_DESCRIPTION/AUTHOR/LICENSE
b43: Add missing MODULE_FIRMWARE()
KEYS: encrypted: fix buffer overread in valid_master_desc()
x86/retpoline: Remove the esp/rsp thunk
KVM: x86: Make indirect calls in emulator speculation safe
KVM: VMX: Make indirect call speculation safe
module/retpoline: Warn about missing retpoline in module
x86/cpufeatures: Add CPUID_7_EDX CPUID leaf
x86/cpufeatures: Add Intel feature bits for Speculation Control
x86/cpufeatures: Add AMD feature bits for Speculation Control
x86/msr: Add definitions for new speculation control MSRs
x86/pti: Do not enable PTI on CPUs which are not vulnerable to Meltdown
x86/cpufeature: Blacklist SPEC_CTRL/PRED_CMD on early Spectre v2 microcodes
x86/speculation: Add basic IBPB (Indirect Branch Prediction Barrier) support
x86/nospec: Fix header guards names
x86/bugs: Drop one "mitigation" from dmesg
x86/cpu/bugs: Make retpoline module warning conditional
x86/cpufeatures: Clean up Spectre v2 related CPUID flags
x86/retpoline: Simplify vmexit_fill_RSB()
x86/spectre: Check CONFIG_RETPOLINE in command line parser
x86/entry/64: Remove the SYSCALL64 fast path
x86/entry/64: Push extra regs right away
x86/asm: Move 'status' from thread_struct to thread_info
Documentation: Document array_index_nospec
array_index_nospec: Sanitize speculative array de-references
x86: Implement array_index_mask_nospec
x86: Introduce barrier_nospec
x86: Introduce __uaccess_begin_nospec() and uaccess_try_nospec
x86/usercopy: Replace open coded stac/clac with __uaccess_{begin, end}
x86/uaccess: Use __uaccess_begin_nospec() and uaccess_try_nospec
x86/get_user: Use pointer masking to limit speculation
x86/syscall: Sanitize syscall table de-references under speculation
vfs, fdtable: Prevent bounds-check bypass via speculative execution
nl80211: Sanitize array index in parse_txq_params
x86/spectre: Report get_user mitigation for spectre_v1
x86/spectre: Fix spelling mistake: "vunerable"-> "vulnerable"
x86/cpuid: Fix up "virtual" IBRS/IBPB/STIBP feature bits on Intel
x86/paravirt: Remove 'noreplace-paravirt' cmdline option
x86/kvm: Update spectre-v1 mitigation
x86/retpoline: Avoid retpolines for built-in __init functions
x86/spectre: Simplify spectre_v2 command line parsing
x86/pti: Mark constant arrays as __initconst
x86/speculation: Fix typo IBRS_ATT, which should be IBRS_ALL
KVM: nVMX: kmap() can't fail
KVM: nVMX: vmx_complete_nested_posted_interrupt() can't fail
KVM: nVMX: mark vmcs12 pages dirty on L2 exit
KVM: nVMX: Eliminate vmcs02 pool
KVM: VMX: introduce alloc_loaded_vmcs
KVM: VMX: make MSR bitmaps per-VCPU
KVM/x86: Add IBPB support
KVM/VMX: Emulate MSR_IA32_ARCH_CAPABILITIES
KVM/VMX: Allow direct access to MSR_IA32_SPEC_CTRL
KVM/SVM: Allow direct access to MSR_IA32_SPEC_CTRL
crypto: tcrypt - fix S/G table for test_aead_speed()
ASoC: simple-card: Fix misleading error message
ASoC: rsnd: don't call free_irq() on Parent SSI
ASoC: rsnd: avoid duplicate free_irq()
drm: rcar-du: Use the VBK interrupt for vblank events
drm: rcar-du: Fix race condition when disabling planes at CRTC stop
x86/microcode: Do the family check first
Linux 4.9.81
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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Andi Kleen
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a1745ad92f |
module/retpoline: Warn about missing retpoline in module
(cherry picked from commit caf7501a1b4ec964190f31f9c3f163de252273b8) There's a risk that a kernel which has full retpoline mitigations becomes vulnerable when a module gets loaded that hasn't been compiled with the right compiler or the right option. To enable detection of that mismatch at module load time, add a module info string "retpoline" at build time when the module was compiled with retpoline support. This only covers compiled C source, but assembler source or prebuilt object files are not checked. If a retpoline enabled kernel detects a non retpoline protected module at load time, print a warning and report it in the sysfs vulnerability file. [ tglx: Massaged changelog ] Signed-off-by: Andi Kleen <ak@linux.intel.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: David Woodhouse <dwmw2@infradead.org> Cc: gregkh@linuxfoundation.org Cc: torvalds@linux-foundation.org Cc: jeyu@kernel.org Cc: arjan@linux.intel.com Link: https://lkml.kernel.org/r/20180125235028.31211-1-andi@firstfloor.org Signed-off-by: David Woodhouse <dwmw@amazon.co.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Arnd Bergmann
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2fe1b761fa |
UPSTREAM: modules: mark __inittest/__exittest as __maybe_unused
clang warns about unused inline functions by default: arch/arm/crypto/aes-cipher-glue.c:68:1: warning: unused function '__inittest' [-Wunused-function] arch/arm/crypto/aes-cipher-glue.c:69:1: warning: unused function '__exittest' [-Wunused-function] As these appear in every single module, let's just disable the warnings by marking the two functions as __maybe_unused. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Miroslav Benes <mbenes@suse.cz> Acked-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Jessica Yu <jeyu@redhat.com> (cherry picked from commit 1f318a8bafcfba9f0d623f4870c4e890fd22e659) |
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Jessica Yu
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444d13ff10 |
modules: add ro_after_init support
Add ro_after_init support for modules by adding a new page-aligned section in the module layout (after rodata) for ro_after_init data and enabling RO protection for that section after module init runs. Signed-off-by: Jessica Yu <jeyu@redhat.com> Acked-by: Kees Cook <keescook@chromium.org> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> |
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Paul Gortmaker
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0ef7653797 |
exceptions: fork exception table content from module.h into extable.h
For historical reasons (i.e. pre-git) the exception table stuff was buried in the middle of the module.h file. I noticed this while doing an audit for needless includes of module.h and found core kernel files (both arch specific and arch independent) were just including module.h for this. The converse is also true, in that conventional drivers, be they for filesystems or actual hardware peripherals or similar, do not normally care about the exception tables. Here we fork the exception table content out of module.h into a new file called extable.h -- and temporarily include it into the module.h itself. Then we will work our way across the arch independent and arch specific files needing just exception table content, and move them off module.h and onto extable.h Once that is done, we can remove the extable.h from module.h and in doing it like this, we avoid introducing build failures into the git history. The gain here is that module.h gets a bit smaller, across all modular drivers that we build for allmodconfig. Also the core files that only need exception table stuff don't have an include of module.h that brings in lots of extra stuff and just looks generally out of place. Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> |
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Jiri Kosina
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bf262dcec6 |
module: fix noreturn attribute for __module_put_and_exit()
__module_put_and_exit() is makred noreturn in module.h declaration, but is lacking the attribute in the definition, which makes some tools (such as sparse) unhappy. Amend the definition with the attribute as well (and reformat the declaration so that it uses more common format). Signed-off-by: Jiri Kosina <jkosina@suse.cz> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> |
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Jessica Yu
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1ce15ef4f6 |
module: preserve Elf information for livepatch modules
For livepatch modules, copy Elf section, symbol, and string information from the load_info struct in the module loader. Persist copies of the original symbol table and string table. Livepatch manages its own relocation sections in order to reuse module loader code to write relocations. Livepatch modules must preserve Elf information such as section indices in order to apply livepatch relocation sections using the module loader's apply_relocate_add() function. In order to apply livepatch relocation sections, livepatch modules must keep a complete copy of their original symbol table in memory. Normally, a stripped down copy of a module's symbol table (containing only "core" symbols) is made available through module->core_symtab. But for livepatch modules, the symbol table copied into memory on module load must be exactly the same as the symbol table produced when the patch module was compiled. This is because the relocations in each livepatch relocation section refer to their respective symbols with their symbol indices, and the original symbol indices (and thus the symtab ordering) must be preserved in order for apply_relocate_add() to find the right symbol. Signed-off-by: Jessica Yu <jeyu@redhat.com> Reviewed-by: Miroslav Benes <mbenes@suse.cz> Acked-by: Josh Poimboeuf <jpoimboe@redhat.com> Acked-by: Rusty Russell <rusty@rustcorp.com.au> Reviewed-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Jiri Kosina <jkosina@suse.cz> |
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Rusty Russell
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8244062ef1 |
modules: fix longstanding /proc/kallsyms vs module insertion race.
For CONFIG_KALLSYMS, we keep two symbol tables and two string tables. There's one full copy, marked SHF_ALLOC and laid out at the end of the module's init section. There's also a cut-down version that only contains core symbols and strings, and lives in the module's core section. After module init (and before we free the module memory), we switch the mod->symtab, mod->num_symtab and mod->strtab to point to the core versions. We do this under the module_mutex. However, kallsyms doesn't take the module_mutex: it uses preempt_disable() and rcu tricks to walk through the modules, because it's used in the oops path. It's also used in /proc/kallsyms. There's nothing atomic about the change of these variables, so we can get the old (larger!) num_symtab and the new symtab pointer; in fact this is what I saw when trying to reproduce. By grouping these variables together, we can use a carefully-dereferenced pointer to ensure we always get one or the other (the free of the module init section is already done in an RCU callback, so that's safe). We allocate the init one at the end of the module init section, and keep the core one inside the struct module itself (it could also have been allocated at the end of the module core, but that's probably overkill). Reported-by: Weilong Chen <chenweilong@huawei.com> Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=111541 Cc: stable@kernel.org Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> |
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Rusty Russell
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85c898db63 |
module: clean up RO/NX handling.
Modules have three sections: text, rodata and writable data. The code handled the case where these overlapped, however they never can: debug_align() ensures they are always page-aligned. This is why we got away with manually traversing the pages in set_all_modules_text_rw() without rounding. We create three helper functions: frob_text(), frob_rodata() and frob_writable_data(). We then call these explicitly at every point, so it's clear what we're doing. We also expose module_enable_ro() and module_disable_ro() for livepatch to use. Reviewed-by: Josh Poimboeuf <jpoimboe@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Jiri Kosina <jkosina@suse.cz> |
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Rusty Russell
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7523e4dc50 |
module: use a structure to encapsulate layout.
Makes it easier to handle init vs core cleanly, though the change is fairly invasive across random architectures. It simplifies the rbtree code immediately, however, while keeping the core data together in the same cachline (now iff the rbtree code is enabled). Acked-by: Peter Zijlstra <peterz@infradead.org> Reviewed-by: Josh Poimboeuf <jpoimboe@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Jiri Kosina <jkosina@suse.cz> |
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Paul Gortmaker
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0fd972a7d9 |
module: relocate module_init from init.h to module.h
Modular users will always be users of init functionality, but users of init functionality are not necessarily always modules. Hence any functionality like module_init and module_exit would be more at home in the module.h file. And module.h should explicitly include init.h to make the dependency clear. We've already done all the legwork needed to ensure that this move does not cause any build regressions due to implicit header file include assumptions about where module_init lives. Cc: Rusty Russell <rusty@rustcorp.com.au> Acked-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> |
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Linus Torvalds
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02201e3f1b |
Merge tag 'modules-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux
Pull module updates from Rusty Russell:
"Main excitement here is Peter Zijlstra's lockless rbtree optimization
to speed module address lookup. He found some abusers of the module
lock doing that too.
A little bit of parameter work here too; including Dan Streetman's
breaking up the big param mutex so writing a parameter can load
another module (yeah, really). Unfortunately that broke the usual
suspects, !CONFIG_MODULES and !CONFIG_SYSFS, so those fixes were
appended too"
* tag 'modules-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux: (26 commits)
modules: only use mod->param_lock if CONFIG_MODULES
param: fix module param locks when !CONFIG_SYSFS.
rcu: merge fix for Convert ACCESS_ONCE() to READ_ONCE() and WRITE_ONCE()
module: add per-module param_lock
module: make perm const
params: suppress unused variable error, warn once just in case code changes.
modules: clarify CONFIG_MODULE_COMPRESS help, suggest 'N'.
kernel/module.c: avoid ifdefs for sig_enforce declaration
kernel/workqueue.c: remove ifdefs over wq_power_efficient
kernel/params.c: export param_ops_bool_enable_only
kernel/params.c: generalize bool_enable_only
kernel/module.c: use generic module param operaters for sig_enforce
kernel/params: constify struct kernel_param_ops uses
sysfs: tightened sysfs permission checks
module: Rework module_addr_{min,max}
module: Use __module_address() for module_address_lookup()
module: Make the mod_tree stuff conditional on PERF_EVENTS || TRACING
module: Optimize __module_address() using a latched RB-tree
rbtree: Implement generic latch_tree
seqlock: Introduce raw_read_seqcount_latch()
...
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Rusty Russell
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cf2fde7b39 |
param: fix module param locks when !CONFIG_SYSFS.
As Dan Streetman points out, the entire point of locking for is to stop sysfs accesses, so they're elided entirely in the !SYSFS case. Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> |
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Linus Torvalds
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8d7804a2f0 |
Merge tag 'driver-core-4.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core updates from Greg KH: "Here is the driver core / firmware changes for 4.2-rc1. A number of small changes all over the place in the driver core, and in the firmware subsystem. Nothing really major, full details in the shortlog. Some of it is a bit of churn, given that the platform driver probing changes was found to not work well, so they were reverted. All of these have been in linux-next for a while with no reported issues" * tag 'driver-core-4.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (31 commits) Revert "base/platform: Only insert MEM and IO resources" Revert "base/platform: Continue on insert_resource() error" Revert "of/platform: Use platform_device interface" Revert "base/platform: Remove code duplication" firmware: add missing kfree for work on async call fs: sysfs: don't pass count == 0 to bin file readers base:dd - Fix for typo in comment to function driver_deferred_probe_trigger(). base/platform: Remove code duplication of/platform: Use platform_device interface base/platform: Continue on insert_resource() error base/platform: Only insert MEM and IO resources firmware: use const for remaining firmware names firmware: fix possible use after free on name on asynchronous request firmware: check for file truncation on direct firmware loading firmware: fix __getname() missing failure check drivers: of/base: move of_init to driver_init drivers/base: cacheinfo: fix annoying typo when DT nodes are absent sysfs: disambiguate between "error code" and "failure" in comments driver-core: fix build for !CONFIG_MODULES driver-core: make __device_attach() static ... |
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Linus Torvalds
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e382608254 |
Merge tag 'trace-v4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing updates from Steven Rostedt:
"This patch series contains several clean ups and even a new trace
clock "monitonic raw". Also some enhancements to make the ring buffer
even faster. But the biggest and most noticeable change is the
renaming of the ftrace* files, structures and variables that have to
deal with trace events.
Over the years I've had several developers tell me about their
confusion with what ftrace is compared to events. Technically,
"ftrace" is the infrastructure to do the function hooks, which include
tracing and also helps with live kernel patching. But the trace
events are a separate entity altogether, and the files that affect the
trace events should not be named "ftrace". These include:
include/trace/ftrace.h -> include/trace/trace_events.h
include/linux/ftrace_event.h -> include/linux/trace_events.h
Also, functions that are specific for trace events have also been renamed:
ftrace_print_*() -> trace_print_*()
(un)register_ftrace_event() -> (un)register_trace_event()
ftrace_event_name() -> trace_event_name()
ftrace_trigger_soft_disabled() -> trace_trigger_soft_disabled()
ftrace_define_fields_##call() -> trace_define_fields_##call()
ftrace_get_offsets_##call() -> trace_get_offsets_##call()
Structures have been renamed:
ftrace_event_file -> trace_event_file
ftrace_event_{call,class} -> trace_event_{call,class}
ftrace_event_buffer -> trace_event_buffer
ftrace_subsystem_dir -> trace_subsystem_dir
ftrace_event_raw_##call -> trace_event_raw_##call
ftrace_event_data_offset_##call-> trace_event_data_offset_##call
ftrace_event_type_funcs_##call -> trace_event_type_funcs_##call
And a few various variables and flags have also been updated.
This has been sitting in linux-next for some time, and I have not
heard a single complaint about this rename breaking anything. Mostly
because these functions, variables and structures are mostly internal
to the tracing system and are seldom (if ever) used by anything
external to that"
* tag 'trace-v4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: (33 commits)
ring_buffer: Allow to exit the ring buffer benchmark immediately
ring-buffer-benchmark: Fix the wrong type
ring-buffer-benchmark: Fix the wrong param in module_param
ring-buffer: Add enum names for the context levels
ring-buffer: Remove useless unused tracing_off_permanent()
ring-buffer: Give NMIs a chance to lock the reader_lock
ring-buffer: Add trace_recursive checks to ring_buffer_write()
ring-buffer: Allways do the trace_recursive checks
ring-buffer: Move recursive check to per_cpu descriptor
ring-buffer: Add unlikelys to make fast path the default
tracing: Rename ftrace_get_offsets_##call() to trace_event_get_offsets_##call()
tracing: Rename ftrace_define_fields_##call() to trace_event_define_fields_##call()
tracing: Rename ftrace_event_type_funcs_##call to trace_event_type_funcs_##call
tracing: Rename ftrace_data_offset_##call to trace_event_data_offset_##call
tracing: Rename ftrace_raw_##call event structures to trace_event_raw_##call
tracing: Rename ftrace_trigger_soft_disabled() to trace_trigger_soft_disabled()
tracing: Rename FTRACE_EVENT_FL_* flags to EVENT_FILE_FL_*
tracing: Rename struct ftrace_subsystem_dir to trace_subsystem_dir
tracing: Rename ftrace_event_name() to trace_event_name()
tracing: Rename FTRACE_MAX_EVENT to TRACE_EVENT_TYPE_MAX
...
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Dan Streetman
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b51d23e4e9 |
module: add per-module param_lock
Add a "param_lock" mutex to each module, and update params.c to use the correct built-in or module mutex while locking kernel params. Remove the kparam_block_sysfs_r/w() macros, replace them with direct calls to kernel_param_[un]lock(module). The kernel param code currently uses a single mutex to protect modification of any and all kernel params. While this generally works, there is one specific problem with it; a module callback function cannot safely load another module, i.e. with request_module() or even with indirect calls such as crypto_has_alg(). If the module to be loaded has any of its params configured (e.g. with a /etc/modprobe.d/* config file), then the attempt will result in a deadlock between the first module param callback waiting for modprobe, and modprobe trying to lock the single kernel param mutex to set the new module's param. This fixes that by using per-module mutexes, so that each individual module is protected against concurrent changes in its own kernel params, but is not blocked by changes to other module params. All built-in modules continue to use the built-in mutex, since they will always be loaded at runtime and references (e.g. request_module(), crypto_has_alg()) to them will never cause load-time param changing. This also simplifies the interface used by modules to block sysfs access to their params; while there are currently functions to block and unblock sysfs param access which are split up by read and write and expect a single kernel param to be passed, their actual operation is identical and applies to all params, not just the one passed to them; they simply lock and unlock the global param mutex. They are replaced with direct calls to kernel_param_[un]lock(THIS_MODULE), which locks THIS_MODULE's param_lock, or if the module is built-in, it locks the built-in mutex. Suggested-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Dan Streetman <ddstreet@ieee.org> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> |
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Peter Zijlstra
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6c9692e2d6 |
module: Make the mod_tree stuff conditional on PERF_EVENTS || TRACING
Andrew worried about the overhead on small systems; only use the fancy code when either perf or tracing is enabled. Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Steven Rostedt <rostedt@goodmis.org> Requested-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> |
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Peter Zijlstra
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93c2e105f6 |
module: Optimize __module_address() using a latched RB-tree
Currently __module_address() is using a linear search through all modules in order to find the module corresponding to the provided address. With a lot of modules this can take a lot of time. One of the users of this is kernel_text_address() which is employed in many stack unwinders; which in turn are used by perf-callchain and ftrace (possibly from NMI context). So by optimizing __module_address() we optimize many stack unwinders which are used by both perf and tracing in performance sensitive code. Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> Cc: Oleg Nesterov <oleg@redhat.com> Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> |
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Peter Zijlstra
|
0be964be0d |
module: Sanitize RCU usage and locking
Currently the RCU usage in module is an inconsistent mess of RCU and
RCU-sched, this is broken for CONFIG_PREEMPT where synchronize_rcu()
does not imply synchronize_sched().
Most usage sites use preempt_{dis,en}able() which is RCU-sched, but
(most of) the modification sites use synchronize_rcu(). With the
exception of the module bug list, which actually uses RCU.
Convert everything over to RCU-sched.
Furthermore add lockdep asserts to all sites, because it's not at all
clear to me the required locking is observed, esp. on exported
functions.
Cc: Rusty Russell <rusty@rustcorp.com.au>
Acked-by: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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Dmitry Torokhov
|
80c6e14659 |
driver-core: fix build for !CONFIG_MODULES
Commit
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Luis R. Rodriguez
|
f2411da746 |
driver-core: add driver module asynchronous probe support
Some init systems may wish to express the desire to have device drivers run their probe() code asynchronously. This implements support for this and allows userspace to request async probe as a preference through a generic shared device driver module parameter, async_probe. Implementation for async probe is supported through a module parameter given that since synchronous probe has been prevalent for years some userspace might exist which relies on the fact that the device driver will probe synchronously and the assumption that devices it provides will be immediately available after this. Signed-off-by: Luis R. Rodriguez <mcgrof@suse.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Steven Rostedt (Red Hat)
|
2425bcb924 |
tracing: Rename ftrace_event_{call,class} to trace_event_{call,class}
The name "ftrace" really refers to the function hook infrastructure. It is not about the trace_events. The structures ftrace_event_call and ftrace_event_class have nothing to do with the function hooks, and are really trace_event structures. Rename ftrace_event_* to trace_event_*. Signed-off-by: Steven Rostedt <rostedt@goodmis.org> |
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Herbert Xu
|
59afdc7b32 |
crypto: api - Move module sig ifdef into accessor function
Currently we're hiding mod->sig_ok under an ifdef in open code. This patch adds a module_sig_ok accessor function and removes that ifdef. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Acked-by: Rusty Russell <rusty@rustcorp.com.au> |
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Linus Torvalds
|
eeee78cf77 |
Merge tag 'trace-v4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing updates from Steven Rostedt:
"Some clean ups and small fixes, but the biggest change is the addition
of the TRACE_DEFINE_ENUM() macro that can be used by tracepoints.
Tracepoints have helper functions for the TP_printk() called
__print_symbolic() and __print_flags() that lets a numeric number be
displayed as a a human comprehensible text. What is placed in the
TP_printk() is also shown in the tracepoint format file such that user
space tools like perf and trace-cmd can parse the binary data and
express the values too. Unfortunately, the way the TRACE_EVENT()
macro works, anything placed in the TP_printk() will be shown pretty
much exactly as is. The problem arises when enums are used. That's
because unlike macros, enums will not be changed into their values by
the C pre-processor. Thus, the enum string is exported to the format
file, and this makes it useless for user space tools.
The TRACE_DEFINE_ENUM() solves this by converting the enum strings in
the TP_printk() format into their number, and that is what is shown to
user space. For example, the tracepoint tlb_flush currently has this
in its format file:
__print_symbolic(REC->reason,
{ TLB_FLUSH_ON_TASK_SWITCH, "flush on task switch" },
{ TLB_REMOTE_SHOOTDOWN, "remote shootdown" },
{ TLB_LOCAL_SHOOTDOWN, "local shootdown" },
{ TLB_LOCAL_MM_SHOOTDOWN, "local mm shootdown" })
After adding:
TRACE_DEFINE_ENUM(TLB_FLUSH_ON_TASK_SWITCH);
TRACE_DEFINE_ENUM(TLB_REMOTE_SHOOTDOWN);
TRACE_DEFINE_ENUM(TLB_LOCAL_SHOOTDOWN);
TRACE_DEFINE_ENUM(TLB_LOCAL_MM_SHOOTDOWN);
Its format file will contain this:
__print_symbolic(REC->reason,
{ 0, "flush on task switch" },
{ 1, "remote shootdown" },
{ 2, "local shootdown" },
{ 3, "local mm shootdown" })"
* tag 'trace-v4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: (27 commits)
tracing: Add enum_map file to show enums that have been mapped
writeback: Export enums used by tracepoint to user space
v4l: Export enums used by tracepoints to user space
SUNRPC: Export enums in tracepoints to user space
mm: tracing: Export enums in tracepoints to user space
irq/tracing: Export enums in tracepoints to user space
f2fs: Export the enums in the tracepoints to userspace
net/9p/tracing: Export enums in tracepoints to userspace
x86/tlb/trace: Export enums in used by tlb_flush tracepoint
tracing/samples: Update the trace-event-sample.h with TRACE_DEFINE_ENUM()
tracing: Allow for modules to convert their enums to values
tracing: Add TRACE_DEFINE_ENUM() macro to map enums to their values
tracing: Update trace-event-sample with TRACE_SYSTEM_VAR documentation
tracing: Give system name a pointer
brcmsmac: Move each system tracepoints to their own header
iwlwifi: Move each system tracepoints to their own header
mac80211: Move message tracepoints to their own header
tracing: Add TRACE_SYSTEM_VAR to xhci-hcd
tracing: Add TRACE_SYSTEM_VAR to kvm-s390
tracing: Add TRACE_SYSTEM_VAR to intel-sst
...
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Steven Rostedt (Red Hat)
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3673b8e4ce |
tracing: Allow for modules to convert their enums to values
Update the infrastructure such that modules that declare TRACE_DEFINE_ENUM() will have those enums converted into their values in the tracepoint print fmt strings. Link: http://lkml.kernel.org/r/87vbhjp74q.fsf@rustcorp.com.au Acked-by: Rusty Russell <rusty@rustcorp.com.au> Reviewed-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Tested-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org> |
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Linus Torvalds
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da11508eb0 |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/livepatching
Pull livepatching fix from Jiri Kosina: - fix for potential race with module loading, from Petr Mladek. The race is very unlikely to be seen in real world and has been found by code inspection, but should be fixed for 4.0 anyway. * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/livepatching: livepatch: Fix subtle race with coming and going modules |
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Petr Mladek
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8cb2c2dc47 |
livepatch: Fix subtle race with coming and going modules
There is a notifier that handles live patches for coming and going modules.
It takes klp_mutex lock to avoid races with coming and going patches but
it does not keep the lock all the time. Therefore the following races are
possible:
1. The notifier is called sometime in STATE_MODULE_COMING. The module
is visible by find_module() in this state all the time. It means that
new patch can be registered and enabled even before the notifier is
called. It might create wrong order of stacked patches, see below
for an example.
2. New patch could still see the module in the GOING state even after
the notifier has been called. It will try to initialize the related
object structures but the module could disappear at any time. There
will stay mess in the structures. It might even cause an invalid
memory access.
This patch solves the problem by adding a boolean variable into struct module.
The value is true after the coming and before the going handler is called.
New patches need to be applied when the value is true and they need to ignore
the module when the value is false.
Note that we need to know state of all modules on the system. The races are
related to new patches. Therefore we do not know what modules will get
patched.
Also note that we could not simply ignore going modules. The code from the
module could be called even in the GOING state until mod->exit() finishes.
If we start supporting patches with semantic changes between function
calls, we need to apply new patches to any still usable code.
See below for an example.
Finally note that the patch solves only the situation when a new patch is
registered. There are no such problems when the patch is being removed.
It does not matter who disable the patch first, whether the normal
disable_patch() or the module notifier. There is nothing to do
once the patch is disabled.
Alternative solutions:
======================
+ reject new patches when a patched module is coming or going; this is ugly
+ wait with adding new patch until the module leaves the COMING and GOING
states; this might be dangerous and complicated; we would need to release
kgr_lock in the middle of the patch registration to avoid a deadlock
with the coming and going handlers; also we might need a waitqueue for
each module which seems to be even bigger overhead than the boolean
+ stop modules from entering COMING and GOING states; wait until modules
leave these states when they are already there; looks complicated; we would
need to ignore the module that asked to stop the others to avoid a deadlock;
also it is unclear what to do when two modules asked to stop others and
both are in COMING state (situation when two new patches are applied)
+ always register/enable new patches and fix up the potential mess (registered
patches order) in klp_module_init(); this is nasty and prone to regressions
in the future development
+ add another MODULE_STATE where the kallsyms are visible but the module is not
used yet; this looks too complex; the module states are checked on "many"
locations
Example of patch stacking breakage:
===================================
The notifier could _not_ _simply_ ignore already initialized module objects.
For example, let's have three patches (P1, P2, P3) for functions a() and b()
where a() is from vmcore and b() is from a module M. Something like:
a() b()
P1 a1() b1()
P2 a2() b2()
P3 a3() b3(3)
If you load the module M after all patches are registered and enabled.
The ftrace ops for function a() and b() has listed the functions in this
order:
ops_a->func_stack -> list(a3,a2,a1)
ops_b->func_stack -> list(b3,b2,b1)
, so the pointer to b3() is the first and will be used.
Then you might have the following scenario. Let's start with state when patches
P1 and P2 are registered and enabled but the module M is not loaded. Then ftrace
ops for b() does not exist. Then we get into the following race:
CPU0 CPU1
load_module(M)
complete_formation()
mod->state = MODULE_STATE_COMING;
mutex_unlock(&module_mutex);
klp_register_patch(P3);
klp_enable_patch(P3);
# STATE 1
klp_module_notify(M)
klp_module_notify_coming(P1);
klp_module_notify_coming(P2);
klp_module_notify_coming(P3);
# STATE 2
The ftrace ops for a() and b() then looks:
STATE1:
ops_a->func_stack -> list(a3,a2,a1);
ops_b->func_stack -> list(b3);
STATE2:
ops_a->func_stack -> list(a3,a2,a1);
ops_b->func_stack -> list(b2,b1,b3);
therefore, b2() is used for the module but a3() is used for vmcore
because they were the last added.
Example of the race with going modules:
=======================================
CPU0 CPU1
delete_module() #SYSCALL
try_stop_module()
mod->state = MODULE_STATE_GOING;
mutex_unlock(&module_mutex);
klp_register_patch()
klp_enable_patch()
#save place to switch universe
b() # from module that is going
a() # from core (patched)
mod->exit();
Note that the function b() can be called until we call mod->exit().
If we do not apply patch against b() because it is in MODULE_STATE_GOING,
it will call patched a() with modified semantic and things might get wrong.
[jpoimboe@redhat.com: use one boolean instead of two]
Signed-off-by: Petr Mladek <pmladek@suse.cz>
Acked-by: Josh Poimboeuf <jpoimboe@redhat.com>
Acked-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Andrey Ryabinin
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6301939d97 |
module: fix types of device tables aliases
MODULE_DEVICE_TABLE() macro used to create aliases to device tables. Normally alias should have the same type as aliased symbol. Device tables are arrays, so they have 'struct type##_device_id[x]' types. Alias created by MODULE_DEVICE_TABLE() will have non-array type - 'struct type##_device_id'. This inconsistency confuses compiler, it could make a wrong assumption about variable's size which leads KASan to produce a false positive report about out of bounds access. For every global variable compiler calls __asan_register_globals() passing information about global variable (address, size, size with redzone, name ...) __asan_register_globals() poison symbols redzone to detect possible out of bounds accesses. When symbol has an alias __asan_register_globals() will be called as for symbol so for alias. Compiler determines size of variable by size of variable's type. Alias and symbol have the same address, so if alias have the wrong size part of memory that actually belongs to the symbol could be poisoned as redzone of alias symbol. By fixing type of alias symbol we will fix size of it, so __asan_register_globals() will not poison valid memory. Signed-off-by: Andrey Ryabinin <a.ryabinin@samsung.com> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: Konstantin Serebryany <kcc@google.com> Cc: Dmitry Chernenkov <dmitryc@google.com> Signed-off-by: Andrey Konovalov <adech.fo@gmail.com> Cc: Yuri Gribov <tetra2005@gmail.com> Cc: Konstantin Khlebnikov <koct9i@gmail.com> Cc: Sasha Levin <sasha.levin@oracle.com> Cc: Christoph Lameter <cl@linux.com> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Cc: Dave Hansen <dave.hansen@intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Christoph Lameter <cl@linux.com> Cc: Pekka Enberg <penberg@kernel.org> Cc: David Rientjes <rientjes@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Rusty Russell
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d5db139ab3 |
module: make module_refcount() a signed integer.
James Bottomley points out that it will be -1 during unload. It's only used for diagnostics, so let's not hide that as it could be a clue as to what's gone wrong. Cc: Jason Wessel <jason.wessel@windriver.com> Acked-and-documention-added-by: James Bottomley <James.Bottomley@HansenPartnership.com> Reviewed-by: Masami Hiramatsu <maasami.hiramatsu.pt@hitachi.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> |
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Masami Hiramatsu
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2f35c41f58 |
module: Replace module_ref with atomic_t refcnt
Replace module_ref per-cpu complex reference counter with an atomic_t simple refcnt. This is for code simplification. Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> |
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Petr Mladek
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76681c8faa |
module: return bool from within_module*()
The within_module*() functions return only true or false. Let's use bool as the return type. Note that it should not change kABI because these are inline functions. Signed-off-by: Petr Mladek <pmladek@suse.cz> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> |
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Petr Mladek
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9b20a352d7 |
module: add within_module() function
It is just a small optimization that allows to replace few occurrences of within_module_init() || within_module_core() with a single call. Signed-off-by: Petr Mladek <pmladek@suse.cz> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> |
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Linus Torvalds
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6f4c98e1c2 |
Merge tag 'modules-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux
Pull module updates from Rusty Russell: "Nothing major: the stricter permissions checking for sysfs broke a staging driver; fix included. Greg KH said he'd take the patch but hadn't as the merge window opened, so it's included here to avoid breaking build" * tag 'modules-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux: staging: fix up speakup kobject mode Use 'E' instead of 'X' for unsigned module taint flag. VERIFY_OCTAL_PERMISSIONS: stricter checking for sysfs perms. kallsyms: fix percpu vars on x86-64 with relocation. kallsyms: generalize address range checking module: LLVMLinux: Remove unused function warning from __param_check macro Fix: module signature vs tracepoints: add new TAINT_UNSIGNED_MODULE module: remove MODULE_GENERIC_TABLE module: allow multiple calls to MODULE_DEVICE_TABLE() per module module: use pr_cont |
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Rusty Russell
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cff26a51da |
module: remove MODULE_GENERIC_TABLE
MODULE_DEVICE_TABLE() calles MODULE_GENERIC_TABLE(); make it do the work directly. This also removes a wart introduced in the last patch, where the alias is defined to be an unknown struct type "struct type##__##name##_device_id" instead of "struct type##_device_id" (it's an extern so GCC doesn't care, but it's wrong). The other user of MODULE_GENERIC_TABLE (ISAPNP_CARD_TABLE) is unused, so delete it. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> |
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Tom Gundersen
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21bdd17b21 |
module: allow multiple calls to MODULE_DEVICE_TABLE() per module
Commit
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Steven Rostedt (Red Hat)
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b2e285fcb4 |
tracing/module: Replace include of tracepoint.h with jump_label.h in module.h
There's nothing in the module.h header that requires tracepoint.h to be included, and there may be cases that tracepoint.h may need to include module.h, which will cause recursive header issues. But module.h requires seeing HAVE_JUMP_LABEL which is set in jump_label.h which it just coincidentally gets from tracepoint.h. Link: http://lkml.kernel.org/r/20140307084712.5c68641a@gandalf.local.home Acked-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Steven Rostedt <rostedt@goodmis.org> |
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Seunghun Lee
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e865d06b17 |
module: fix coding style
Fix coding style of module.h Signed-off-by: Seunghun Lee <waydi1@gmail.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> |
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Joe Perches
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74e22fac88 |
module.h: Remove unnecessary semicolon
[All 8 callers already have semicolons. -- RR] Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> |
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Rusty Russell
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3f2b9c9cdf |
module: remove rmmod --wait option.
The option to wait for a module reference count to reach zero was in the initial module implementation, but it was never supported in modprobe (you had to use rmmod --wait). After discussion with Lucas, It has been deprecated (with a 10 second sleep) in kmod for the last year. This finally removes it: the flag will evoke a printk warning and a normal (non-blocking) remove attempt. Cc: Lucas De Marchi <lucas.de.marchi@gmail.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> |
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Li Zhong
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942e443127 |
module: Fix mod->mkobj.kobj potentially freed too early
DEBUG_KOBJECT_RELEASE helps to find the issue attached below. After some investigation, it seems the reason is: The mod->mkobj.kobj(ffffffffa01600d0 below) is freed together with mod itself in free_module(). However, its children still hold references to it, as the delay caused by DEBUG_KOBJECT_RELEASE. So when the child(holders below) tries to decrease the reference count to its parent in kobject_del(), BUG happens as it tries to access already freed memory. This patch tries to fix it by waiting for the mod->mkobj.kobj to be really released in the module removing process (and some error code paths). [ 1844.175287] kobject: 'holders' (ffff88007c1f1600): kobject_release, parent ffffffffa01600d0 (delayed) [ 1844.178991] kobject: 'notes' (ffff8800370b2a00): kobject_release, parent ffffffffa01600d0 (delayed) [ 1845.180118] kobject: 'holders' (ffff88007c1f1600): kobject_cleanup, parent ffffffffa01600d0 [ 1845.182130] kobject: 'holders' (ffff88007c1f1600): auto cleanup kobject_del [ 1845.184120] BUG: unable to handle kernel paging request at ffffffffa01601d0 [ 1845.185026] IP: [<ffffffff812cda81>] kobject_put+0x11/0x60 [ 1845.185026] PGD 1a13067 PUD 1a14063 PMD 7bd30067 PTE 0 [ 1845.185026] Oops: 0000 [#1] PREEMPT [ 1845.185026] Modules linked in: xfs libcrc32c [last unloaded: kprobe_example] [ 1845.185026] CPU: 0 PID: 18 Comm: kworker/0:1 Tainted: G O 3.11.0-rc6-next-20130819+ #1 [ 1845.185026] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2007 [ 1845.185026] Workqueue: events kobject_delayed_cleanup [ 1845.185026] task: ffff88007ca51f00 ti: ffff88007ca5c000 task.ti: ffff88007ca5c000 [ 1845.185026] RIP: 0010:[<ffffffff812cda81>] [<ffffffff812cda81>] kobject_put+0x11/0x60 [ 1845.185026] RSP: 0018:ffff88007ca5dd08 EFLAGS: 00010282 [ 1845.185026] RAX: 0000000000002000 RBX: ffffffffa01600d0 RCX: ffffffff8177d638 [ 1845.185026] RDX: ffff88007ca5dc18 RSI: 0000000000000000 RDI: ffffffffa01600d0 [ 1845.185026] RBP: ffff88007ca5dd18 R08: ffffffff824e9810 R09: ffffffffffffffff [ 1845.185026] R10: ffff8800ffffffff R11: dead4ead00000001 R12: ffffffff81a95040 [ 1845.185026] R13: ffff88007b27a960 R14: ffff88007c1f1600 R15: 0000000000000000 [ 1845.185026] FS: 0000000000000000(0000) GS:ffffffff81a23000(0000) knlGS:0000000000000000 [ 1845.185026] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 1845.185026] CR2: ffffffffa01601d0 CR3: 0000000037207000 CR4: 00000000000006b0 [ 1845.185026] Stack: [ 1845.185026] ffff88007c1f1600 ffff88007c1f1600 ffff88007ca5dd38 ffffffff812cdb7e [ 1845.185026] 0000000000000000 ffff88007c1f1640 ffff88007ca5dd68 ffffffff812cdbfe [ 1845.185026] ffff88007c974800 ffff88007c1f1640 ffff88007ff61a00 0000000000000000 [ 1845.185026] Call Trace: [ 1845.185026] [<ffffffff812cdb7e>] kobject_del+0x2e/0x40 [ 1845.185026] [<ffffffff812cdbfe>] kobject_delayed_cleanup+0x6e/0x1d0 [ 1845.185026] [<ffffffff81063a45>] process_one_work+0x1e5/0x670 [ 1845.185026] [<ffffffff810639e3>] ? process_one_work+0x183/0x670 [ 1845.185026] [<ffffffff810642b3>] worker_thread+0x113/0x370 [ 1845.185026] [<ffffffff810641a0>] ? rescuer_thread+0x290/0x290 [ 1845.185026] [<ffffffff8106bfba>] kthread+0xda/0xe0 [ 1845.185026] [<ffffffff814ff0f0>] ? _raw_spin_unlock_irq+0x30/0x60 [ 1845.185026] [<ffffffff8106bee0>] ? kthread_create_on_node+0x130/0x130 [ 1845.185026] [<ffffffff8150751a>] ret_from_fork+0x7a/0xb0 [ 1845.185026] [<ffffffff8106bee0>] ? kthread_create_on_node+0x130/0x130 [ 1845.185026] Code: 81 48 c7 c7 28 95 ad 81 31 c0 e8 9b da 01 00 e9 4f ff ff ff 66 0f 1f 44 00 00 55 48 89 e5 53 48 89 fb 48 83 ec 08 48 85 ff 74 1d <f6> 87 00 01 00 00 01 74 1e 48 8d 7b 38 83 6b 38 01 0f 94 c0 84 [ 1845.185026] RIP [<ffffffff812cda81>] kobject_put+0x11/0x60 [ 1845.185026] RSP <ffff88007ca5dd08> [ 1845.185026] CR2: ffffffffa01601d0 [ 1845.185026] ---[ end trace 49a70afd109f5653 ]--- Signed-off-by: Li Zhong <zhong@linux.vnet.ibm.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> |
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Andreas Robinson
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7cb14ba75d |
modules: add support for soft module dependencies
Additional and optional dependencies not found while building the kernel and modules, can now be declared explicitly. Signed-off-by: Andreas Robinson <andr345@gmail.com> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> |