d4414bc0e93d8da170fd0fc9fef65fe84015677d
280 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Kees Cook
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bb5c0b1b7f |
UPSTREAM: vmlinux.lds.h: Move LSM_TABLE into INIT_DATA
Since the struct lsm_info table is not an initcall, we can just move it into INIT_DATA like all the other tables. Change-Id: I9674bc20e8a4428a08527fac9affa959324699bb Signed-off-by: Kees Cook <keescook@chromium.org> Reviewed-by: Casey Schaufler <casey@schaufler-ca.com> Reviewed-by: John Johansen <john.johansen@canonical.com> Reviewed-by: James Morris <james.morris@microsoft.com> Signed-off-by: James Morris <james.morris@microsoft.com> |
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Kees Cook
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bf5975fb95 |
UPSTREAM: LSM: Rename .security_initcall section to .lsm_info
In preparation for switching from initcall to just a regular set of pointers in a section, rename the internal section name. Change-Id: I05de00199bfef55238d4f6873f714d46196ea52c Signed-off-by: Kees Cook <keescook@chromium.org> Reviewed-by: Casey Schaufler <casey@schaufler-ca.com> Reviewed-by: James Morris <james.morris@microsoft.com> Reviewed-by: John Johansen <john.johansen@canonical.com> Signed-off-by: James Morris <james.morris@microsoft.com> |
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Jiri Olsa
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c891252d2c |
UPSTREAM: bpf: Add BTF_ID_LIST/BTF_ID/BTF_ID_UNUSED macros
Adding support to generate .BTF_ids section that will hold BTF ID lists for verifier. Adding macros that will help to define lists of BTF ID values placed in .BTF_ids section. They are initially filled with zeros (during compilation) and resolved later during the linking phase by resolve_btfids tool. Following defines list of one BTF ID value: BTF_ID_LIST(bpf_skb_output_btf_ids) BTF_ID(struct, sk_buff) It also defines following variable to access the list: extern u32 bpf_skb_output_btf_ids[]; The BTF_ID_UNUSED macro defines 4 zero bytes. It's used when we want to define 'unused' entry in BTF_ID_LIST, like: BTF_ID_LIST(bpf_skb_output_btf_ids) BTF_ID(struct, sk_buff) BTF_ID_UNUSED BTF_ID(struct, task_struct) Suggested-by: Andrii Nakryiko <andriin@fb.com> Change-Id: Iaa217d59fd32ee61400f597adb8c89c4242b28ad Signed-off-by: Jiri Olsa <jolsa@kernel.org> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Tested-by: Andrii Nakryiko <andriin@fb.com> Acked-by: Andrii Nakryiko <andriin@fb.com> Link: https://lore.kernel.org/bpf/20200711215329.41165-4-jolsa@kernel.org |
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Kees Cook
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168052f441 |
UPSTREAM: vmlinux.lds.h: Avoid copy/paste of security_init section
Avoid copy/paste by defining SECURITY_INIT in terms of SECURITY_INITCALL. Change-Id: Ic66bf945c7951aa3ae72381f5264ee4510d574d9 Signed-off-by: Kees Cook <keescook@chromium.org> Reviewed-by: Casey Schaufler <casey@schaufler-ca.com> Reviewed-by: James Morris <james.morris@microsoft.com> Reviewed-by: John Johansen <john.johansen@canonical.com> Signed-off-by: James Morris <james.morris@microsoft.com> |
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Fangrui Song
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4e5ebea452 |
BACKPORT: bpf: Support llvm-objcopy for vmlinux BTF
commit 90ceddcb495008ac8ba7a3dce297841efcd7d584 upstream.
Simplify gen_btf logic to make it work with llvm-objcopy. The existing
'file format' and 'architecture' parsing logic is brittle and does not
work with llvm-objcopy/llvm-objdump.
'file format' output of llvm-objdump>=11 will match GNU objdump, but
'architecture' (bfdarch) may not.
.BTF in .tmp_vmlinux.btf is non-SHF_ALLOC. Add the SHF_ALLOC flag
because it is part of vmlinux image used for introspection. C code
can reference the section via linker script defined __start_BTF and
__stop_BTF. This fixes a small problem that previous .BTF had the
SHF_WRITE flag (objcopy -I binary -O elf* synthesized .data).
Additionally, `objcopy -I binary` synthesized symbols
_binary__btf_vmlinux_bin_start and _binary__btf_vmlinux_bin_stop (not
used elsewhere) are replaced with more commonplace __start_BTF and
__stop_BTF.
Add 2>/dev/null because GNU objcopy (but not llvm-objcopy) warns
"empty loadable segment detected at vaddr=0xffffffff81000000, is this intentional?"
We use a dd command to change the e_type field in the ELF header from
ET_EXEC to ET_REL so that lld will accept .btf.vmlinux.bin.o. Accepting
ET_EXEC as an input file is an extremely rare GNU ld feature that lld
does not intend to support, because this is error-prone.
The output section description .BTF in include/asm-generic/vmlinux.lds.h
avoids potential subtle orphan section placement issues and suppresses
--orphan-handling=warn warnings.
Fixes: df786c9b9476 ("bpf: Force .BTF section start to zero when dumping from vmlinux")
Fixes: cb0cc635c7a9 ("powerpc: Include .BTF section")
Reported-by: Nathan Chancellor <natechancellor@gmail.com>
Change-Id: I145b50cfe3e0e1e034fb750cf55642905382a06c
Signed-off-by: Fangrui Song <maskray@google.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Tested-by: Stanislav Fomichev <sdf@google.com>
Tested-by: Andrii Nakryiko <andriin@fb.com>
Reviewed-by: Stanislav Fomichev <sdf@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Acked-by: Andrii Nakryiko <andriin@fb.com>
Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)
Link: https://github.com/ClangBuiltLinux/linux/issues/871
Link: https://lore.kernel.org/bpf/20200318222746.173648-1-maskray@google.com
Signed-off-by: Maria Teguiani <teguiani@google.com>
Tested-by: Matthias Maennich <maennich@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Greg Kroah-Hartman
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dc261c32e7 |
Merge 4.19.267 into android-4.19-stable
Changes in 4.19.267 phy: stm32: fix an error code in probe wifi: cfg80211: fix memory leak in query_regdb_file() HID: hyperv: fix possible memory leak in mousevsc_probe() net: gso: fix panic on frag_list with mixed head alloc types net: tun: Fix memory leaks of napi_get_frags bnxt_en: fix potentially incorrect return value for ndo_rx_flow_steer net: fman: Unregister ethernet device on removal capabilities: fix undefined behavior in bit shift for CAP_TO_MASK net: lapbether: fix issue of dev reference count leakage in lapbeth_device_event() hamradio: fix issue of dev reference count leakage in bpq_device_event() drm/vc4: Fix missing platform_unregister_drivers() call in vc4_drm_register() ipv6: addrlabel: fix infoleak when sending struct ifaddrlblmsg to network tipc: fix the msg->req tlv len check in tipc_nl_compat_name_table_dump_header dmaengine: mv_xor_v2: Fix a resource leak in mv_xor_v2_remove() drivers: net: xgene: disable napi when register irq failed in xgene_enet_open() net: nixge: disable napi when enable interrupts failed in nixge_open() net: cxgb3_main: disable napi when bind qsets failed in cxgb_up() ethernet: s2io: disable napi when start nic failed in s2io_card_up() net: mv643xx_eth: disable napi when init rxq or txq failed in mv643xx_eth_open() net: macvlan: fix memory leaks of macvlan_common_newlink riscv: process: fix kernel info leakage arm64: efi: Fix handling of misaligned runtime regions and drop warning ALSA: hda/ca0132: add quirk for EVGA Z390 DARK ALSA: hda: fix potential memleak in 'add_widget_node' ALSA: usb-audio: Add quirk entry for M-Audio Micro ALSA: usb-audio: Add DSD support for Accuphase DAC-60 vmlinux.lds.h: Fix placement of '.data..decrypted' section nilfs2: fix deadlock in nilfs_count_free_blocks() nilfs2: fix use-after-free bug of ns_writer on remount drm/i915/dmabuf: fix sg_table handling in map_dma_buf platform/x86: hp_wmi: Fix rfkill causing soft blocked wifi btrfs: selftests: fix wrong error check in btrfs_free_dummy_root() udf: Fix a slab-out-of-bounds write bug in udf_find_entry() cert host tools: Stop complaining about deprecated OpenSSL functions dmaengine: at_hdmac: Fix at_lli struct definition dmaengine: at_hdmac: Don't start transactions at tx_submit level dmaengine: at_hdmac: Fix completion of unissued descriptor in case of errors dmaengine: at_hdmac: Don't allow CPU to reorder channel enable dmaengine: at_hdmac: Fix impossible condition dmaengine: at_hdmac: Check return code of dma_async_device_register net: tun: call napi_schedule_prep() to ensure we own a napi x86/cpu: Restore AMD's DE_CFG MSR after resume ASoC: wm5102: Revert "ASoC: wm5102: Fix PM disable depth imbalance in wm5102_probe" ASoC: wm5110: Revert "ASoC: wm5110: Fix PM disable depth imbalance in wm5110_probe" ASoC: wm8997: Revert "ASoC: wm8997: Fix PM disable depth imbalance in wm8997_probe" spi: intel: Fix the offset to get the 64K erase opcode selftests/futex: fix build for clang selftests/intel_pstate: fix build for ARCH=x86_64 NFSv4: Retry LOCK on OLD_STATEID during delegation return drm/imx: imx-tve: Fix return type of imx_tve_connector_mode_valid btrfs: remove pointless and double ulist frees in error paths of qgroup tests Bluetooth: L2CAP: Fix l2cap_global_chan_by_psm ASoC: core: Fix use-after-free in snd_soc_exit() serial: 8250_omap: remove wait loop from Errata i202 workaround serial: 8250: omap: Flush PM QOS work on remove serial: imx: Add missing .thaw_noirq hook tty: n_gsm: fix sleep-in-atomic-context bug in gsm_control_send ASoC: soc-utils: Remove __exit for snd_soc_util_exit() block: sed-opal: kmalloc the cmd/resp buffers siox: fix possible memory leak in siox_device_add() parport_pc: Avoid FIFO port location truncation pinctrl: devicetree: fix null pointer dereferencing in pinctrl_dt_to_map ata: libata-transport: fix double ata_host_put() in ata_tport_add() net: bgmac: Drop free_netdev() from bgmac_enet_remove() mISDN: fix possible memory leak in mISDN_dsp_element_register() mISDN: fix misuse of put_device() in mISDN_register_device() net: caif: fix double disconnect client in chnl_net_open() bnxt_en: Remove debugfs when pci_register_driver failed xen/pcpu: fix possible memory leak in register_pcpu() drbd: use after free in drbd_create_device() net/x25: Fix skb leak in x25_lapb_receive_frame() cifs: Fix wrong return value checking when GETFLAGS net: thunderbolt: Fix error handling in tbnet_init() ftrace: Fix the possible incorrect kernel message ftrace: Optimize the allocation for mcount entries ftrace: Fix null pointer dereference in ftrace_add_mod() ring_buffer: Do not deactivate non-existant pages ALSA: usb-audio: Drop snd_BUG_ON() from snd_usbmidi_output_open() slimbus: stream: correct presence rate frequencies speakup: fix a segfault caused by switching consoles USB: serial: option: add Sierra Wireless EM9191 USB: serial: option: remove old LARA-R6 PID USB: serial: option: add u-blox LARA-R6 00B modem USB: serial: option: add u-blox LARA-L6 modem USB: serial: option: add Fibocom FM160 0x0111 composition usb: add NO_LPM quirk for Realforce 87U Keyboard usb: chipidea: fix deadlock in ci_otg_del_timer iio: adc: at91_adc: fix possible memory leak in at91_adc_allocate_trigger() iio: trigger: sysfs: fix possible memory leak in iio_sysfs_trig_init() iio: pressure: ms5611: changed hardcoded SPI speed to value limited dm ioctl: fix misbehavior if list_versions races with module loading serial: 8250: Fall back to non-DMA Rx if IIR_RDI occurs serial: 8250_lpss: Configure DMA also w/o DMA filter mmc: core: properly select voltage range without power cycle mmc: sdhci-pci: Fix possible memory leak caused by missing pci_dev_put() docs: update mediator contact information in CoC doc misc/vmw_vmci: fix an infoleak in vmci_host_do_receive_datagram() scsi: target: tcm_loop: Fix possible name leak in tcm_loop_setup_hba_bus() Input: i8042 - fix leaking of platform device on module removal serial: 8250: Flush DMA Rx on RLSI macvlan: enforce a consistent minimal mtu tcp: cdg: allow tcp_cdg_release() to be called multiple times kcm: avoid potential race in kcm_tx_work bpf, test_run: Fix alignment problem in bpf_prog_test_run_skb() kcm: close race conditions on sk_receive_queue 9p: trans_fd/p9_conn_cancel: drop client lock earlier gfs2: Check sb_bsize_shift after reading superblock gfs2: Switch from strlcpy to strscpy 9p/trans_fd: always use O_NONBLOCK read/write mm: fs: initialize fsdata passed to write_begin/write_end interface ntfs: fix use-after-free in ntfs_attr_find() ntfs: fix out-of-bounds read in ntfs_attr_find() ntfs: check overflow when iterating ATTR_RECORDs Linux 4.19.267 Change-Id: Id7e07ae5c1681de4cd1b0499cf1bfd257ca2261b Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> |
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Nathan Chancellor
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b05d8531a4 |
vmlinux.lds.h: Fix placement of '.data..decrypted' section
commit 000f8870a47bdc36730357883b6aef42bced91ee upstream.
Commit d4c639990036 ("vmlinux.lds.h: Avoid orphan section with !SMP")
fixed an orphan section warning by adding the '.data..decrypted' section
to the linker script under the PERCPU_DECRYPTED_SECTION define but that
placement introduced a panic with !SMP, as the percpu sections are not
instantiated with that configuration so attempting to access variables
defined with DEFINE_PER_CPU_DECRYPTED() will result in a page fault.
Move the '.data..decrypted' section to the DATA_MAIN define so that the
variables in it are properly instantiated at boot time with
CONFIG_SMP=n.
Cc: stable@vger.kernel.org
Fixes: d4c639990036 ("vmlinux.lds.h: Avoid orphan section with !SMP")
Link: https://lore.kernel.org/cbbd3548-880c-d2ca-1b67-5bb93b291d5f@huawei.com/
Debugged-by: Ard Biesheuvel <ardb@kernel.org>
Reported-by: Zhao Wenhui <zhaowenhui8@huawei.com>
Tested-by: xiafukun <xiafukun@huawei.com>
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20221108174934.3384275-1-nathan@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Greg Kroah-Hartman
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bc6ea49ddc |
Merge 4.19.205 into android-4.19-stable
Changes in 4.19.205
iio: humidity: hdc100x: Add margin to the conversion time
iio: adc: Fix incorrect exit of for-loop
ASoC: intel: atom: Fix reference to PCM buffer address
i2c: dev: zero out array used for i2c reads from userspace
ACPI: NFIT: Fix support for virtual SPA ranges
ieee802154: hwsim: fix GPF in hwsim_set_edge_lqi
ieee802154: hwsim: fix GPF in hwsim_new_edge_nl
ASoC: cs42l42: Correct definition of ADC Volume control
ASoC: cs42l42: Don't allow SND_SOC_DAIFMT_LEFT_J
ASoC: cs42l42: Fix inversion of ADC Notch Switch control
ASoC: cs42l42: Remove duplicate control for WNF filter frequency
ASoC: cs42l42: Fix LRCLK frame start edge
net: dsa: mt7530: add the missing RxUnicast MIB counter
ppp: Fix generating ifname when empty IFLA_IFNAME is specified
psample: Add a fwd declaration for skbuff
net: Fix memory leak in ieee802154_raw_deliver
net: igmp: fix data-race in igmp_ifc_timer_expire()
net: dsa: lan9303: fix broken backpressure in .port_fdb_dump
net: bridge: fix memleak in br_add_if()
tcp_bbr: fix u32 wrap bug in round logic if bbr_init() called after 2B packets
net: igmp: increase size of mr_ifc_count
xen/events: Fix race in set_evtchn_to_irq
vsock/virtio: avoid potential deadlock when vsock device remove
powerpc/kprobes: Fix kprobe Oops happens in booke
x86/tools: Fix objdump version check again
genirq: Provide IRQCHIP_AFFINITY_PRE_STARTUP
x86/msi: Force affinity setup before startup
x86/ioapic: Force affinity setup before startup
x86/resctrl: Fix default monitoring groups reporting
genirq/msi: Ensure deactivation on teardown
PCI/MSI: Enable and mask MSI-X early
PCI/MSI: Do not set invalid bits in MSI mask
PCI/MSI: Correct misleading comments
PCI/MSI: Use msi_mask_irq() in pci_msi_shutdown()
PCI/MSI: Protect msi_desc::masked for multi-MSI
PCI/MSI: Mask all unused MSI-X entries
PCI/MSI: Enforce that MSI-X table entry is masked for update
PCI/MSI: Enforce MSI[X] entry updates to be visible
vmlinux.lds.h: Handle clang's module.{c,d}tor sections
iommu/vt-d: Fix agaw for a supported 48 bit guest address width
mac80211: drop data frames without key on encrypted links
KVM: nSVM: always intercept VMLOAD/VMSAVE when nested (CVE-2021-3656)
KVM: nSVM: avoid picking up unsupported bits from L2 in int_ctl (CVE-2021-3653)
x86/fpu: Make init_fpstate correct with optimized XSAVE
ath: Use safer key clearing with key cache entries
ath9k: Clear key cache explicitly on disabling hardware
ath: Export ath_hw_keysetmac()
ath: Modify ath_key_delete() to not need full key entry
ath9k: Postpone key cache entry deletion for TXQ frames reference it
dmaengine: xilinx_dma: Fix read-after-free bug when terminating transfers
dmaengine: usb-dmac: Fix PM reference leak in usb_dmac_probe()
ARM: dts: am43x-epos-evm: Reduce i2c0 bus speed for tps65218
dmaengine: of-dma: router_xlate to return -EPROBE_DEFER if controller is not yet available
scsi: megaraid_mm: Fix end of loop tests for list_for_each_entry()
scsi: scsi_dh_rdac: Avoid crash during rdac_bus_attach()
scsi: core: Avoid printing an error if target_alloc() returns -ENXIO
ARM: dts: nomadik: Fix up interrupt controller node names
net: usb: lan78xx: don't modify phy_device state concurrently
Bluetooth: hidp: use correct wait queue when removing ctrl_wait
cpufreq: armada-37xx: forbid cpufreq for 1.2 GHz variant
dccp: add do-while-0 stubs for dccp_pr_debug macros
vhost: Fix the calculation in vhost_overflow()
bnxt: don't lock the tx queue from napi poll
bnxt: disable napi before canceling DIM
net: 6pack: fix slab-out-of-bounds in decode_data
ptp_pch: Restore dependency on PCI
net: qlcnic: add missed unlock in qlcnic_83xx_flash_read32
net: mdio-mux: Don't ignore memory allocation errors
net: mdio-mux: Handle -EPROBE_DEFER correctly
mmc: dw_mmc: Fix hang on data CRC error
ALSA: hda - fix the 'Capture Switch' value change notifications
tracing / histogram: Fix NULL pointer dereference on strcmp() on NULL event name
slimbus: messaging: start transaction ids from 1 instead of zero
slimbus: messaging: check for valid transaction id
slimbus: ngd: reset dma setup during runtime pm
ipack: tpci200: fix many double free issues in tpci200_pci_probe
ipack: tpci200: fix memory leak in the tpci200_register
btrfs: prevent rename2 from exchanging a subvol with a directory from different parents
PCI: Increase D3 delay for AMD Renoir/Cezanne XHCI
ASoC: intel: atom: Fix breakage for PCM buffer address setup
locks: print a warning when mount fails due to lack of "mand" support
fs: warn about impending deprecation of mandatory locks
netfilter: nft_exthdr: fix endianness of tcp option cast
Linux 4.19.205
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I710e9719923984fdc85b2979aa916f78f57dc387
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Nathan Chancellor
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c47f8a1857 |
vmlinux.lds.h: Handle clang's module.{c,d}tor sections
commit 848378812e40152abe9b9baf58ce2004f76fb988 upstream.
A recent change in LLVM causes module_{c,d}tor sections to appear when
CONFIG_K{A,C}SAN are enabled, which results in orphan section warnings
because these are not handled anywhere:
ld.lld: warning: arch/x86/pci/built-in.a(legacy.o):(.text.asan.module_ctor) is being placed in '.text.asan.module_ctor'
ld.lld: warning: arch/x86/pci/built-in.a(legacy.o):(.text.asan.module_dtor) is being placed in '.text.asan.module_dtor'
ld.lld: warning: arch/x86/pci/built-in.a(legacy.o):(.text.tsan.module_ctor) is being placed in '.text.tsan.module_ctor'
Fangrui explains: "the function asan.module_ctor has the SHF_GNU_RETAIN
flag, so it is in a separate section even with -fno-function-sections
(default)".
Place them in the TEXT_TEXT section so that these technologies continue
to work with the newer compiler versions. All of the KASAN and KCSAN
KUnit tests continue to pass after this change.
Cc: stable@vger.kernel.org
Link: https://github.com/ClangBuiltLinux/linux/issues/1432
Link:
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Greg Kroah-Hartman
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f931d3c324 |
Merge 4.19.195 into android-4.19-stable
Changes in 4.19.195 perf/core: Fix endless multiplex timer proc: Track /proc/$pid/attr/ opener mm_struct net/nfc/rawsock.c: fix a permission check bug ASoC: Intel: bytcr_rt5640: Add quirk for the Glavey TM800A550L tablet ASoC: Intel: bytcr_rt5640: Add quirk for the Lenovo Miix 3-830 tablet ASoC: sti-sas: add missing MODULE_DEVICE_TABLE isdn: mISDN: netjet: Fix crash in nj_probe: bonding: init notify_work earlier to avoid uninitialized use netlink: disable IRQs for netlink_lock_table() net: mdiobus: get rid of a BUG_ON() cgroup: disable controllers at parse time wq: handle VM suspension in stall detection net/qla3xxx: fix schedule while atomic in ql_sem_spinlock RDS tcp loopback connection can hang scsi: bnx2fc: Return failure if io_req is already in ABTS processing scsi: vmw_pvscsi: Set correct residual data length scsi: target: qla2xxx: Wait for stop_phase1 at WWN removal net: macb: ensure the device is available before accessing GEMGXL control registers net: appletalk: cops: Fix data race in cops_probe1 nvme-fabrics: decode host pathing error for connect MIPS: Fix kernel hang under FUNCTION_GRAPH_TRACER and PREEMPT_TRACER bnx2x: Fix missing error code in bnx2x_iov_init_one() powerpc/fsl: set fsl,i2c-erratum-a004447 flag for P2041 i2c controllers powerpc/fsl: set fsl,i2c-erratum-a004447 flag for P1010 i2c controllers i2c: mpc: Make use of i2c_recover_bus() i2c: mpc: implement erratum A-004447 workaround ARM: dts: imx6qdl-sabresd: Assign corresponding power supply for LDOs ARM: dts: imx6q-dhcom: Add PU,VDD1P1,VDD2P5 regulators drm: Fix use-after-free read in drm_getunique() drm: Lock pointer access in drm_master_release() kvm: avoid speculation-based attacks from out-of-range memslot accesses staging: rtl8723bs: Fix uninitialized variables btrfs: return value from btrfs_mark_extent_written() in case of error cgroup1: don't allow '\n' in renaming USB: f_ncm: ncm_bitrate (speed) is unsigned usb: f_ncm: only first packet of aggregate needs to start timer usb: pd: Set PD_T_SINK_WAIT_CAP to 310ms usb: dwc3: ep0: fix NULL pointer exception usb: typec: ucsi: Clear PPM capability data in ucsi_init() error path usb: gadget: f_fs: Ensure io_completion_wq is idle during unbind USB: serial: ftdi_sio: add NovaTech OrionMX product ID USB: serial: omninet: add device id for Zyxel Omni 56K Plus USB: serial: quatech2: fix control-request directions USB: serial: cp210x: fix alternate function for CP2102N QFN20 usb: gadget: eem: fix wrong eem header operation usb: fix various gadgets null ptr deref on 10gbps cabling. usb: fix various gadget panics on 10gbps cabling regulator: core: resolve supply for boot-on/always-on regulators regulator: max77620: Use device_set_of_node_from_dev() RDMA/mlx4: Do not map the core_clock page to user space unless enabled vmlinux.lds.h: Avoid orphan section with !SMP perf: Fix data race between pin_count increment/decrement sched/fair: Make sure to update tg contrib for blocked load IB/mlx5: Fix initializing CQ fragments buffer NFS: Fix a potential NULL dereference in nfs_get_client() NFSv4: Fix deadlock between nfs4_evict_inode() and nfs4_opendata_get_inode() perf session: Correct buffer copying when peeking events kvm: fix previous commit for 32-bit builds NFS: Fix use-after-free in nfs4_init_client() NFSv4: Fix second deadlock in nfs4_evict_inode() NFSv4: nfs4_proc_set_acl needs to restore NFS_CAP_UIDGID_NOMAP on error. scsi: core: Fix error handling of scsi_host_alloc() scsi: core: Put .shost_dev in failure path if host state changes to RUNNING scsi: core: Only put parent device if host state differs from SHOST_CREATED ftrace: Do not blindly read the ip address in ftrace_bug() tracing: Correct the length check which causes memory corruption proc: only require mm_struct for writing Linux 4.19.195 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> Change-Id: I47594a87a8e11059356934f612ee81f8f2df6561 |
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Nathan Chancellor
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a88aad7335 |
vmlinux.lds.h: Avoid orphan section with !SMP
commit d4c6399900364facd84c9e35ce1540b6046c345f upstream.
With x86_64_defconfig and the following configs, there is an orphan
section warning:
CONFIG_SMP=n
CONFIG_AMD_MEM_ENCRYPT=y
CONFIG_HYPERVISOR_GUEST=y
CONFIG_KVM=y
CONFIG_PARAVIRT=y
ld: warning: orphan section `.data..decrypted' from `arch/x86/kernel/cpu/vmware.o' being placed in section `.data..decrypted'
ld: warning: orphan section `.data..decrypted' from `arch/x86/kernel/kvm.o' being placed in section `.data..decrypted'
These sections are created with DEFINE_PER_CPU_DECRYPTED, which
ultimately turns into __PCPU_ATTRS, which in turn has a section
attribute with a value of PER_CPU_BASE_SECTION + the section name. When
CONFIG_SMP is not set, the base section is .data and that is not
currently handled in any linker script.
Add .data..decrypted to PERCPU_DECRYPTED_SECTION, which is included in
PERCPU_INPUT -> PERCPU_SECTION, which is include in the x86 linker
script when either CONFIG_X86_64 or CONFIG_SMP is unset, taking care of
the warning.
Fixes:
|
||
|
Greg Kroah-Hartman
|
72af4b8433 |
Merge 4.19.183 into android-4.19-stable
Changes in 4.19.183 ASoC: ak4458: Add MODULE_DEVICE_TABLE ASoC: ak5558: Add MODULE_DEVICE_TABLE ALSA: hda: generic: Fix the micmute led init state Revert "PM: runtime: Update device status before letting suppliers suspend" vmlinux.lds.h: Create section for protection against instrumentation lkdtm: don't move ctors to .rodata perf tools: Use %define api.pure full instead of %pure-parser tools build feature: Check if get_current_dir_name() is available tools build feature: Check if eventfd() is available tools build: Check if gettid() is available before providing helper btrfs: fix race when cloning extent buffer during rewind of an old root btrfs: fix slab cache flags for free space tree bitmap ASoC: fsl_ssi: Fix TDM slot setup for I2S mode nvmet: don't check iosqes,iocqes for discovery controllers NFSD: Repair misuse of sv_lock in 5.10.16-rt30. svcrdma: disable timeouts on rdma backchannel sunrpc: fix refcount leak for rpc auth modules net/qrtr: fix __netdev_alloc_skb call scsi: lpfc: Fix some error codes in debugfs nvme-rdma: fix possible hang when failing to set io queues powerpc: Force inlining of cpu_has_feature() to avoid build failure usb-storage: Add quirk to defeat Kindle's automatic unload usbip: Fix incorrect double assignment to udc->ud.tcp_rx USB: replace hardcode maximum usb string length by definition usb: gadget: configfs: Fix KASAN use-after-free iio:adc:stm32-adc: Add HAS_IOMEM dependency iio:adc:qcom-spmi-vadc: add default scale to LR_MUX2_BAT_ID channel iio: adis16400: Fix an error code in adis16400_initial_setup() iio: gyro: mpu3050: Fix error handling in mpu3050_trigger_handler iio: hid-sensor-humidity: Fix alignment issue of timestamp channel iio: hid-sensor-prox: Fix scale not correct issue iio: hid-sensor-temperature: Fix issues of timestamp channel PCI: rpadlpar: Fix potential drc_name corruption in store functions perf/x86/intel: Fix a crash caused by zero PEBS status x86/ioapic: Ignore IRQ2 again kernel, fs: Introduce and use set_restart_fn() and arch_set_restart_data() x86: Move TS_COMPAT back to asm/thread_info.h x86: Introduce TS_COMPAT_RESTART to fix get_nr_restart_syscall() ext4: find old entry again if failed to rename whiteout ext4: do not try to set xattr into ea_inode if value is empty ext4: fix potential error in ext4_do_update_inode genirq: Disable interrupts for force threaded handlers x86/apic/of: Fix CPU devicetree-node lookups cifs: Fix preauth hash corruption Linux 4.19.183 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> Change-Id: I4f8cba389a80baddd43c2e782e9250187bf94d05 |
||
|
Nicolas Boichat
|
c0387536ed |
vmlinux.lds.h: Create section for protection against instrumentation
From: Thomas Gleixner <tglx@linutronix.de> commit 6553896666433e7efec589838b400a2a652b3ffa upstream. Some code pathes, especially the low level entry code, must be protected against instrumentation for various reasons: - Low level entry code can be a fragile beast, especially on x86. - With NO_HZ_FULL RCU state needs to be established before using it. Having a dedicated section for such code allows to validate with tooling that no unsafe functions are invoked. Add the .noinstr.text section and the noinstr attribute to mark functions. noinstr implies notrace. Kprobes will gain a section check later. Provide also a set of markers: instrumentation_begin()/end() These are used to mark code inside a noinstr function which calls into regular instrumentable text section as safe. The instrumentation markers are only active when CONFIG_DEBUG_ENTRY is enabled as the end marker emits a NOP to prevent the compiler from merging the annotation points. This means the objtool verification requires a kernel compiled with this option. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Alexandre Chartre <alexandre.chartre@oracle.com> Acked-by: Peter Zijlstra <peterz@infradead.org> Link: https://lkml.kernel.org/r/20200505134100.075416272@linutronix.de [Nicolas: Guard noinstr macro in include/linux/compiler_types.h in __KERNEL__ && !__ASSEMBLY__, otherwise noinstr is expanded in the linker script construct. Upstream does not have this problem as many macros were moved by commit 71391bdd2e9a ("include/linux/compiler_types.h: don't pollute userspace with macro definitions"). We take the minimal approach here and just guard the new macro. Minor context conflicts in: arch/powerpc/kernel/vmlinux.lds.S include/asm-generic/vmlinux.lds.h include/linux/compiler.h] Signed-off-by: Nicolas Boichat <drinkcat@chromium.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
||
|
Greg Kroah-Hartman
|
6455a150fa |
Merge 4.19.178 into android-4.19-stable
Changes in 4.19.178
HID: make arrays usage and value to be the same
USB: quirks: sort quirk entries
usb: quirks: add quirk to start video capture on ELMO L-12F document camera reliable
ntfs: check for valid standard information attribute
arm64: tegra: Add power-domain for Tegra210 HDA
scripts: use pkg-config to locate libcrypto
scripts: set proper OpenSSL include dir also for sign-file
block: add helper for checking if queue is registered
block: split .sysfs_lock into two locks
block: fix race between switching elevator and removing queues
block: don't release queue's sysfs lock during switching elevator
NET: usb: qmi_wwan: Adding support for Cinterion MV31
cifs: Set CIFS_MOUNT_USE_PREFIX_PATH flag on setting cifs_sb->prepath.
scripts/recordmcount.pl: support big endian for ARCH sh
jump_label/lockdep: Assert we hold the hotplug lock for _cpuslocked() operations
locking/static_key: Fix false positive warnings on concurrent dec/inc
vmlinux.lds.h: add DWARF v5 sections
kdb: Make memory allocations more robust
PCI: qcom: Use PHY_REFCLK_USE_PAD only for ipq8064
bfq: Avoid false bfq queue merging
ALSA: usb-audio: Fix PCM buffer allocation in non-vmalloc mode
MIPS: vmlinux.lds.S: add missing PAGE_ALIGNED_DATA() section
random: fix the RNDRESEEDCRNG ioctl
ath10k: Fix error handling in case of CE pipe init failure
Bluetooth: btqcomsmd: Fix a resource leak in error handling paths in the probe function
Bluetooth: Fix initializing response id after clearing struct
ARM: dts: exynos: correct PMIC interrupt trigger level on Artik 5
ARM: dts: exynos: correct PMIC interrupt trigger level on Monk
ARM: dts: exynos: correct PMIC interrupt trigger level on Rinato
ARM: dts: exynos: correct PMIC interrupt trigger level on Spring
ARM: dts: exynos: correct PMIC interrupt trigger level on Arndale Octa
ARM: dts: exynos: correct PMIC interrupt trigger level on Odroid XU3 family
arm64: dts: exynos: correct PMIC interrupt trigger level on TM2
arm64: dts: exynos: correct PMIC interrupt trigger level on Espresso
bpf: Avoid warning when re-casting __bpf_call_base into __bpf_call_base_args
arm64: dts: allwinner: A64: properly connect USB PHY to port 0
arm64: dts: allwinner: Drop non-removable from SoPine/LTS SD card
arm64: dts: allwinner: A64: Limit MMC2 bus frequency to 150 MHz
cpufreq: brcmstb-avs-cpufreq: Free resources in error path
cpufreq: brcmstb-avs-cpufreq: Fix resource leaks in ->remove()
ACPICA: Fix exception code class checks
usb: gadget: u_audio: Free requests only after callback
Bluetooth: drop HCI device reference before return
Bluetooth: Put HCI device if inquiry procedure interrupts
memory: ti-aemif: Drop child node when jumping out loop
ARM: dts: Configure missing thermal interrupt for 4430
usb: dwc2: Do not update data length if it is 0 on inbound transfers
usb: dwc2: Abort transaction after errors with unknown reason
usb: dwc2: Make "trimming xfer length" a debug message
staging: rtl8723bs: wifi_regd.c: Fix incorrect number of regulatory rules
ARM: dts: armada388-helios4: assign pinctrl to LEDs
ARM: dts: armada388-helios4: assign pinctrl to each fan
arm64: dts: msm8916: Fix reserved and rfsa nodes unit address
ARM: s3c: fix fiq for clang IAS
soc: aspeed: snoop: Add clock control logic
bpf_lru_list: Read double-checked variable once without lock
ath9k: fix data bus crash when setting nf_override via debugfs
ibmvnic: Set to CLOSED state even on error
bnxt_en: reverse order of TX disable and carrier off
xen/netback: fix spurious event detection for common event case
mac80211: fix potential overflow when multiplying to u32 integers
bpf: Fix bpf_fib_lookup helper MTU check for SKB ctx
tcp: fix SO_RCVLOWAT related hangs under mem pressure
cxgb4/chtls/cxgbit: Keeping the max ofld immediate data size same in cxgb4 and ulds
b43: N-PHY: Fix the update of coef for the PHY revision >= 3case
ibmvnic: add memory barrier to protect long term buffer
ibmvnic: skip send_request_unmap for timeout reset
net: amd-xgbe: Reset the PHY rx data path when mailbox command timeout
net: amd-xgbe: Fix NETDEV WATCHDOG transmit queue timeout warning
net: amd-xgbe: Reset link when the link never comes back
net: amd-xgbe: Fix network fluctuations when using 1G BELFUSE SFP
net: mvneta: Remove per-cpu queue mapping for Armada 3700
fbdev: aty: SPARC64 requires FB_ATY_CT
drm/gma500: Fix error return code in psb_driver_load()
gma500: clean up error handling in init
crypto: sun4i-ss - fix kmap usage
drm/amdgpu: Fix macro name _AMDGPU_TRACE_H_ in preprocessor if condition
MIPS: c-r4k: Fix section mismatch for loongson2_sc_init
MIPS: lantiq: Explicitly compare LTQ_EBU_PCC_ISTAT against 0
media: i2c: ov5670: Fix PIXEL_RATE minimum value
media: camss: missing error code in msm_video_register()
media: vsp1: Fix an error handling path in the probe function
media: em28xx: Fix use-after-free in em28xx_alloc_urbs
media: media/pci: Fix memleak in empress_init
media: tm6000: Fix memleak in tm6000_start_stream
ASoC: cs42l56: fix up error handling in probe
crypto: bcm - Rename struct device_private to bcm_device_private
drm/amd/display: Fix 10/12 bpc setup in DCE output bit depth reduction.
media: lmedm04: Fix misuse of comma
media: qm1d1c0042: fix error return code in qm1d1c0042_init()
media: cx25821: Fix a bug when reallocating some dma memory
media: pxa_camera: declare variable when DEBUG is defined
media: uvcvideo: Accept invalid bFormatIndex and bFrameIndex values
crypto: talitos - Work around SEC6 ERRATA (AES-CTR mode data size error)
ata: ahci_brcm: Add back regulators management
ASoC: cpcap: fix microphone timeslot mask
f2fs: fix to avoid inconsistent quota data
drm/amdgpu: Prevent shift wrapping in amdgpu_read_mask()
Drivers: hv: vmbus: Avoid use-after-free in vmbus_onoffer_rescind()
btrfs: clarify error returns values in __load_free_space_cache
hwrng: timeriomem - Fix cooldown period calculation
crypto: ecdh_helper - Ensure 'len >= secret.len' in decode_key()
ima: Free IMA measurement buffer on error
ima: Free IMA measurement buffer after kexec syscall
fs/jfs: fix potential integer overflow on shift of a int
jffs2: fix use after free in jffs2_sum_write_data()
capabilities: Don't allow writing ambiguous v3 file capabilities
clk: meson: clk-pll: fix initializing the old rate (fallback) for a PLL
quota: Fix memory leak when handling corrupted quota file
spi: cadence-quadspi: Abort read if dummy cycles required are too many
clk: sunxi-ng: h6: Fix CEC clock
HID: core: detect and skip invalid inputs to snto32()
dmaengine: fsldma: Fix a resource leak in the remove function
dmaengine: fsldma: Fix a resource leak in an error handling path of the probe function
dmaengine: owl-dma: Fix a resource leak in the remove function
dmaengine: hsu: disable spurious interrupt
mfd: bd9571mwv: Use devm_mfd_add_devices()
fdt: Properly handle "no-map" field in the memory region
of/fdt: Make sure no-map does not remove already reserved regions
power: reset: at91-sama5d2_shdwc: fix wkupdbc mask
rtc: s5m: select REGMAP_I2C
clocksource/drivers/mxs_timer: Add missing semicolon when DEBUG is defined
RDMA/mlx5: Use the correct obj_id upon DEVX TIR creation
clk: sunxi-ng: h6: Fix clock divider range on some clocks
regulator: axp20x: Fix reference cout leak
certs: Fix blacklist flag type confusion
spi: atmel: Put allocated master before return
regulator: s5m8767: Drop regulators OF node reference
isofs: release buffer head before return
auxdisplay: ht16k33: Fix refresh rate handling
IB/umad: Return EIO in case of when device disassociated
IB/umad: Return EPOLLERR in case of when device disassociated
KVM: PPC: Make the VMX instruction emulation routines static
powerpc/47x: Disable 256k page size
mmc: usdhi6rol0: Fix a resource leak in the error handling path of the probe
mmc: renesas_sdhi_internal_dmac: Fix DMA buffer alignment from 8 to 128-bytes
ARM: 9046/1: decompressor: Do not clear SCTLR.nTLSMD for ARMv7+ cores
amba: Fix resource leak for drivers without .remove
tracepoint: Do not fail unregistering a probe due to memory failure
perf tools: Fix DSO filtering when not finding a map for a sampled address
RDMA/rxe: Fix coding error in rxe_recv.c
RDMA/rxe: Correct skb on loopback path
spi: stm32: properly handle 0 byte transfer
mfd: wm831x-auxadc: Prevent use after free in wm831x_auxadc_read_irq()
powerpc/pseries/dlpar: handle ibm, configure-connector delay status
powerpc/8xx: Fix software emulation interrupt
clk: qcom: gcc-msm8998: Fix Alpha PLL type for all GPLLs
spi: pxa2xx: Fix the controller numbering for Wildcat Point
Input: sur40 - fix an error code in sur40_probe()
perf intel-pt: Fix missing CYC processing in PSB
perf test: Fix unaligned access in sample parsing test
Input: elo - fix an error code in elo_connect()
sparc64: only select COMPAT_BINFMT_ELF if BINFMT_ELF is set
misc: eeprom_93xx46: Fix module alias to enable module autoprobe
misc: eeprom_93xx46: Add module alias to avoid breaking support for non device tree users
pwm: rockchip: rockchip_pwm_probe(): Remove superfluous clk_unprepare()
VMCI: Use set_page_dirty_lock() when unregistering guest memory
PCI: Align checking of syscall user config accessors
drm/msm/dsi: Correct io_start for MSM8994 (20nm PHY)
ext4: fix potential htree index checksum corruption
regmap: sdw: use _no_pm functions in regmap_read/write
i40e: Fix flow for IPv6 next header (extension header)
i40e: Add zero-initialization of AQ command structures
i40e: Fix overwriting flow control settings during driver loading
i40e: Fix VFs not created
i40e: Fix add TC filter for IPv6
net/mlx4_core: Add missed mlx4_free_cmd_mailbox()
vxlan: move debug check after netdev unregister
ocfs2: fix a use after free on error
mm/memory.c: fix potential pte_unmap_unlock pte error
mm/hugetlb: fix potential double free in hugetlb_register_node() error path
r8169: fix jumbo packet handling on RTL8168e
arm64: Add missing ISB after invalidating TLB in __primary_switch
i2c: brcmstb: Fix brcmstd_send_i2c_cmd condition
mm/rmap: fix potential pte_unmap on an not mapped pte
scsi: bnx2fc: Fix Kconfig warning & CNIC build errors
blk-settings: align max_sectors on "logical_block_size" boundary
ACPI: property: Fix fwnode string properties matching
ACPI: configfs: add missing check after configfs_register_default_group()
HID: wacom: Ignore attempts to overwrite the touch_max value from HID
Input: raydium_ts_i2c - do not send zero length
Input: xpad - add support for PowerA Enhanced Wired Controller for Xbox Series X|S
Input: joydev - prevent potential read overflow in ioctl
Input: i8042 - add ASUS Zenbook Flip to noselftest list
USB: serial: option: update interface mapping for ZTE P685M
usb: musb: Fix runtime PM race in musb_queue_resume_work
usb: dwc3: gadget: Fix setting of DEPCFG.bInterval_m1
usb: dwc3: gadget: Fix dep->interval for fullspeed interrupt
USB: serial: ftdi_sio: fix FTX sub-integer prescaler
USB: serial: mos7840: fix error code in mos7840_write()
USB: serial: mos7720: fix error code in mos7720_write()
ALSA: hda/realtek: modify EAPD in the ALC886
tpm_tis: Fix check_locality for correct locality acquisition
tpm_tis: Clean up locality release
KEYS: trusted: Fix migratable=1 failing
btrfs: abort the transaction if we fail to inc ref in btrfs_copy_root
btrfs: fix reloc root leak with 0 ref reloc roots on recovery
btrfs: fix extent buffer leak on failure to copy root
crypto: arm64/sha - add missing module aliases
crypto: sun4i-ss - checking sg length is not sufficient
crypto: sun4i-ss - handle BigEndian for cipher
seccomp: Add missing return in non-void function
misc: rtsx: init of rts522a add OCP power off when no card is present
drivers/misc/vmw_vmci: restrict too big queue size in qp_host_alloc_queue
pstore: Fix typo in compression option name
dts64: mt7622: fix slow sd card access
staging/mt7621-dma: mtk-hsdma.c->hsdma-mt7621.c
staging: gdm724x: Fix DMA from stack
staging: rtl8188eu: Add Edimax EW-7811UN V2 to device table
media: ipu3-cio2: Fix mbus_code processing in cio2_subdev_set_fmt()
x86/reboot: Force all cpus to exit VMX root if VMX is supported
floppy: reintroduce O_NDELAY fix
arm64: uprobe: Return EOPNOTSUPP for AARCH32 instruction probing
watchdog: mei_wdt: request stop on unregister
mtd: spi-nor: hisi-sfc: Put child node np on error path
fs/affs: release old buffer head on error path
seq_file: document how per-entry resources are managed.
x86: fix seq_file iteration for pat/memtype.c
hugetlb: fix copy_huge_page_from_user contig page struct assumption
libnvdimm/dimm: Avoid race between probe and available_slots_show()
arm64: Extend workaround for erratum 1024718 to all versions of Cortex-A55
module: Ignore _GLOBAL_OFFSET_TABLE_ when warning for undefined symbols
mmc: sdhci-esdhc-imx: fix kernel panic when remove module
gpio: pcf857x: Fix missing first interrupt
printk: fix deadlock when kernel panic
cpufreq: intel_pstate: Get per-CPU max freq via MSR_HWP_CAPABILITIES if available
f2fs: fix out-of-repair __setattr_copy()
sparc32: fix a user-triggerable oops in clear_user()
gfs2: Don't skip dlm unlock if glock has an lvb
dm: fix deadlock when swapping to encrypted device
dm era: Recover committed writeset after crash
dm era: Verify the data block size hasn't changed
dm era: Fix bitset memory leaks
dm era: Use correct value size in equality function of writeset tree
dm era: Reinitialize bitset cache before digesting a new writeset
dm era: only resize metadata in preresume
icmp: introduce helper for nat'd source address in network device context
icmp: allow icmpv6_ndo_send to work with CONFIG_IPV6=n
gtp: use icmp_ndo_send helper
sunvnet: use icmp_ndo_send helper
xfrm: interface: use icmp_ndo_send helper
ipv6: icmp6: avoid indirect call for icmpv6_send()
ipv6: silence compilation warning for non-IPV6 builds
net: icmp: pass zeroed opts from icmp{,v6}_ndo_send before sending
dm era: Update in-core bitset after committing the metadata
net: qrtr: Fix memory leak in qrtr_tun_open
ARM: dts: aspeed: Add LCLK to lpc-snoop
Linux 4.19.178
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I8c07c10dd29a1233f238b533622d7b32bd22bdb0
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||
|
Nick Desaulniers
|
8a5e6d954a |
vmlinux.lds.h: add DWARF v5 sections
commit 3c4fa46b30c551b1df2fb1574a684f68bc22067c upstream. We expect toolchains to produce these new debug info sections as part of DWARF v5. Add explicit placements to prevent the linker warnings from --orphan-section=warn. Compilers may produce such sections with explicit -gdwarf-5, or based on the implicit default version of DWARF when -g is used via DEBUG_INFO. This implicit default changes over time, and has changed to DWARF v5 with GCC 11. .debug_sup was mentioned in review, but without compilers producing it today, let's wait to add it until it becomes necessary. Cc: stable@vger.kernel.org Link: https://bugzilla.redhat.com/show_bug.cgi?id=1922707 Reported-by: Chris Murphy <lists@colorremedies.com> Suggested-by: Fangrui Song <maskray@google.com> Reviewed-by: Nathan Chancellor <nathan@kernel.org> Reviewed-by: Mark Wielaard <mark@klomp.org> Tested-by: Sedat Dilek <sedat.dilek@gmail.com> Signed-off-by: Nick Desaulniers <ndesaulniers@google.com> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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|
Greg Kroah-Hartman
|
bce09d96d6 |
Merge 4.19.177 into android-4.19-stable
Changes in 4.19.177 tracing: Do not count ftrace events in top level enable output tracing: Check length before giving out the filter buffer arm/xen: Don't probe xenbus as part of an early initcall arm64: dts: rockchip: Fix PCIe DT properties on rk3399 platform/x86: hp-wmi: Disable tablet-mode reporting by default ovl: perform vfs_getxattr() with mounter creds cap: fix conversions on getxattr ovl: skip getxattr of security labels drm/amd/display: Fix dc_sink kref count in emulated_link_detect drm/amd/display: Free atomic state after drm_atomic_commit riscv: virt_addr_valid must check the address belongs to linear mapping bfq-iosched: Revert "bfq: Fix computation of shallow depth" ARM: dts: lpc32xx: Revert set default clock rate of HCLK PLL ARM: ensure the signal page contains defined contents ARM: kexec: fix oops after TLB are invalidated mt76: dma: fix a possible memory leak in mt76_add_fragment() bpf: Check for integer overflow when using roundup_pow_of_two() netfilter: xt_recent: Fix attempt to update deleted entry netfilter: flowtable: fix tcp and udp header checksum update xen/netback: avoid race in xenvif_rx_ring_slots_available() net: stmmac: set TxQ mode back to DCB after disabling CBS netfilter: conntrack: skip identical origin tuple in same zone only net: hns3: add a check for queue_id in hclge_reset_vf_queue() firmware_loader: align .builtin_fw to 8 i2c: stm32f7: fix configuration of the digital filter h8300: fix PREEMPTION build, TI_PRE_COUNT undefined usb: dwc3: ulpi: fix checkpatch warning usb: dwc3: ulpi: Replace CPU-based busyloop with Protocol-based one net: fix iteration for sctp transport seq_files net/vmw_vsock: improve locking in vsock_connect_timeout() net: watchdog: hold device global xmit lock during tx disable vsock/virtio: update credit only if socket is not closed vsock: fix locking in vsock_shutdown() net/rds: restrict iovecs length for RDS_CMSG_RDMA_ARGS net/qrtr: restrict user-controlled length in qrtr_tun_write_iter() ovl: expand warning in ovl_d_real() x86/build: Disable CET instrumentation in the kernel for 32-bit too KVM: SEV: fix double locking due to incorrect backport net: qrtr: Fix port ID for control messages Xen/x86: don't bail early from clear_foreign_p2m_mapping() Xen/x86: also check kernel mapping in set_foreign_p2m_mapping() Xen/gntdev: correct dev_bus_addr handling in gntdev_map_grant_pages() Xen/gntdev: correct error checking in gntdev_map_grant_pages() xen/arm: don't ignore return errors from set_phys_to_machine xen-blkback: don't "handle" error by BUG() xen-netback: don't "handle" error by BUG() xen-scsiback: don't "handle" error by BUG() xen-blkback: fix error handling in xen_blkbk_map() scsi: qla2xxx: Fix crash during driver load on big endian machines kvm: check tlbs_dirty directly Linux 4.19.177 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> Change-Id: I5bef9024912d4568ab7ee3869072c0c4350513f5 |
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Fangrui Song
|
5b6e3fb49d |
firmware_loader: align .builtin_fw to 8
[ Upstream commit 793f49a87aae24e5bcf92ad98d764153fc936570 ]
arm64 references the start address of .builtin_fw (__start_builtin_fw)
with a pair of R_AARCH64_ADR_PREL_PG_HI21/R_AARCH64_LDST64_ABS_LO12_NC
relocations. The compiler is allowed to emit the
R_AARCH64_LDST64_ABS_LO12_NC relocation because struct builtin_fw in
include/linux/firmware.h is 8-byte aligned.
The R_AARCH64_LDST64_ABS_LO12_NC relocation requires the address to be a
multiple of 8, which may not be the case if .builtin_fw is empty.
Unconditionally align .builtin_fw to fix the linker error. 32-bit
architectures could use ALIGN(4) but that would add unnecessary
complexity, so just use ALIGN(8).
Link: https://lkml.kernel.org/r/20201208054646.2913063-1-maskray@google.com
Link: https://github.com/ClangBuiltLinux/linux/issues/1204
Fixes:
|
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Greg Kroah-Hartman
|
5905c14687 |
Merge 4.19.168 into android-4.19-stable
Changes in 4.19.168 net: cdc_ncm: correct overhead in delayed_ndp_size net: hns3: fix the number of queues actually used by ARQ net: stmmac: dwmac-sun8i: Balance internal PHY resource references net: stmmac: dwmac-sun8i: Balance internal PHY power net: vlan: avoid leaks on register_vlan_dev() failures net/sonic: Fix some resource leaks in error handling paths net: ip: always refragment ip defragmented packets net: fix pmtu check in nopmtudisc mode net: ipv6: fib: flush exceptions when purging route chtls: Fix hardware tid leak chtls: Remove invalid set_tcb call chtls: Fix panic when route to peer not configured chtls: Replace skb_dequeue with skb_peek chtls: Added a check to avoid NULL pointer dereference chtls: Fix chtls resources release sequence x86/resctrl: Use an IPI instead of task_work_add() to update PQR_ASSOC MSR x86/resctrl: Don't move a task to the same resource group vmlinux.lds.h: Add PGO and AutoFDO input sections drm/i915: Fix mismatch between misplaced vma check and vma insert spi: pxa2xx: Fix use-after-free on unbind iio: imu: st_lsm6dsx: flip irq return logic iio: imu: st_lsm6dsx: fix edge-trigger interrupts HID: wacom: Fix memory leakage caused by kfifo_alloc ARM: OMAP2+: omap_device: fix idling of devices during probe i2c: sprd: use a specific timeout to avoid system hang up issue cpufreq: powernow-k8: pass policy rather than use cpufreq_cpu_get() spi: stm32: FIFO threshold level - fix align packet size dmaengine: mediatek: mtk-hsdma: Fix a resource leak in the error handling path of the probe function dmaengine: xilinx_dma: check dma_async_device_register return value dmaengine: xilinx_dma: fix incompatible param warning in _child_probe() dmaengine: xilinx_dma: fix mixed_enum_type coverity warning wil6210: select CONFIG_CRC32 block: rsxx: select CONFIG_CRC32 lightnvm: select CONFIG_CRC32 iommu/intel: Fix memleak in intel_irq_remapping_alloc net/mlx5e: Fix memleak in mlx5e_create_l2_table_groups net/mlx5e: Fix two double free cases regmap: debugfs: Fix a memory leak when calling regmap_attach_dev wan: ds26522: select CONFIG_BITREVERSE KVM: arm64: Don't access PMCR_EL0 when no PMU is available block: fix use-after-free in disk_part_iter_next net: drop bogus skb with CHECKSUM_PARTIAL and offset beyond end of trimmed packet regmap: debugfs: Fix a reversed if statement in regmap_debugfs_init() Linux 4.19.168 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> Change-Id: Ia39a78431db8bf624b3d0c0940be36c514b79a77 |
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Nick Desaulniers
|
caf20def4c |
vmlinux.lds.h: Add PGO and AutoFDO input sections
commit eff8728fe69880d3f7983bec3fb6cea4c306261f upstream.
Basically, consider .text.{hot|unlikely|unknown}.* part of .text, too.
When compiling with profiling information (collected via PGO
instrumentations or AutoFDO sampling), Clang will separate code into
.text.hot, .text.unlikely, or .text.unknown sections based on profiling
information. After D79600 (clang-11), these sections will have a
trailing `.` suffix, ie. .text.hot., .text.unlikely., .text.unknown..
When using -ffunction-sections together with profiling infomation,
either explicitly (FGKASLR) or implicitly (LTO), code may be placed in
sections following the convention:
.text.hot.<foo>, .text.unlikely.<bar>, .text.unknown.<baz>
where <foo>, <bar>, and <baz> are functions. (This produces one section
per function; we generally try to merge these all back via linker script
so that we don't have 50k sections).
For the above cases, we need to teach our linker scripts that such
sections might exist and that we'd explicitly like them grouped
together, otherwise we can wind up with code outside of the
_stext/_etext boundaries that might not be mapped properly for some
architectures, resulting in boot failures.
If the linker script is not told about possible input sections, then
where the section is placed as output is a heuristic-laiden mess that's
non-portable between linkers (ie. BFD and LLD), and has resulted in many
hard to debug bugs. Kees Cook is working on cleaning this up by adding
--orphan-handling=warn linker flag used in ARCH=powerpc to additional
architectures. In the case of linker scripts, borrowing from the Zen of
Python: explicit is better than implicit.
Also, ld.bfd's internal linker script considers .text.hot AND
.text.hot.* to be part of .text, as well as .text.unlikely and
.text.unlikely.*. I didn't see support for .text.unknown.*, and didn't
see Clang producing such code in our kernel builds, but I see code in
LLVM that can produce such section names if profiling information is
missing. That may point to a larger issue with generating or collecting
profiles, but I would much rather be safe and explicit than have to
debug yet another issue related to orphan section placement.
Reported-by: Jian Cai <jiancai@google.com>
Suggested-by: Fāng-ruì Sòng <maskray@google.com>
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Tested-by: Luis Lozano <llozano@google.com>
Tested-by: Manoj Gupta <manojgupta@google.com>
Acked-by: Kees Cook <keescook@chromium.org>
Cc: linux-arch@vger.kernel.org
Cc: stable@vger.kernel.org
Link: https://sourceware.org/git/?p=binutils-gdb.git;a=commitdiff;h=add44f8d5c5c05e08b11e033127a744d61c26aee
Link: https://sourceware.org/git/?p=binutils-gdb.git;a=commitdiff;h=1de778ed23ce7492c523d5850c6c6dbb34152655
Link: https://reviews.llvm.org/D79600
Link: https://bugs.chromium.org/p/chromium/issues/detail?id=1084760
Link: https://lore.kernel.org/r/20200821194310.3089815-7-keescook@chromium.org
Debugged-by: Luis Lozano <llozano@google.com>
[nc: Resolve small conflict due to lack of NOINSTR_TEXT]
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
|
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Sami Tolvanen
|
442c302e2e |
ANDROID: vmlinux.lds.h: merge compound literal sections
After LLVM rG9e33c096476a ("[ELF] Keep orphan section names
(.rodata.foo .text.foo) unchanged if !hasSectionsCommand"), LLD splits
compound literals to separate sections with -fdata-sections, which
it always enables with LTO. Merge these sections to allow LLVM to be
upgraded.
Bug: 174047799
Change-Id: I858c5fcc48283d5528c1d3e2b2d7a3c72f9e03d6
Link: https://github.com/ClangBuiltLinux/linux/issues/958
Suggested-by: Danny Lin <danny@kdrag0n.dev>
Suggested-by: Fangrui Song <maskray@google.com>
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
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Greg Kroah-Hartman
|
7086849b9c |
Merge 4.19.140 into android-4.19-stable
Changes in 4.19.140 tracepoint: Mark __tracepoint_string's __used HID: input: Fix devices that return multiple bytes in battery report cgroup: add missing skcd->no_refcnt check in cgroup_sk_clone() x86/mce/inject: Fix a wrong assignment of i_mce.status sched/fair: Fix NOHZ next idle balance sched: correct SD_flags returned by tl->sd_flags() arm64: dts: rockchip: fix rk3368-lion gmac reset gpio arm64: dts: rockchip: fix rk3399-puma vcc5v0-host gpio arm64: dts: rockchip: fix rk3399-puma gmac reset gpio EDAC: Fix reference count leaks arm64: dts: qcom: msm8916: Replace invalid bias-pull-none property crypto: ccree - fix resource leak on error path firmware: arm_scmi: Fix SCMI genpd domain probing arm64: dts: exynos: Fix silent hang after boot on Espresso clk: scmi: Fix min and max rate when registering clocks with discrete rates m68k: mac: Don't send IOP message until channel is idle m68k: mac: Fix IOP status/control register writes platform/x86: intel-hid: Fix return value check in check_acpi_dev() platform/x86: intel-vbtn: Fix return value check in check_acpi_dev() ARM: dts: gose: Fix ports node name for adv7180 ARM: dts: gose: Fix ports node name for adv7612 ARM: at91: pm: add missing put_device() call in at91_pm_sram_init() spi: lantiq: fix: Rx overflow error in full duplex mode ARM: socfpga: PM: add missing put_device() call in socfpga_setup_ocram_self_refresh() drm/tilcdc: fix leak & null ref in panel_connector_get_modes soc: qcom: rpmh-rsc: Set suppress_bind_attrs flag Bluetooth: add a mutex lock to avoid UAF in do_enale_set loop: be paranoid on exit and prevent new additions / removals fs/btrfs: Add cond_resched() for try_release_extent_mapping() stalls drm/amdgpu: avoid dereferencing a NULL pointer drm/radeon: Fix reference count leaks caused by pm_runtime_get_sync crypto: aesni - Fix build with LLVM_IAS=1 video: fbdev: neofb: fix memory leak in neo_scan_monitor() md-cluster: fix wild pointer of unlock_all_bitmaps() arm64: dts: hisilicon: hikey: fixes to comply with adi, adv7533 DT binding drm/etnaviv: fix ref count leak via pm_runtime_get_sync drm/nouveau: fix multiple instances of reference count leaks usb: mtu3: clear dual mode of u3port when disable device drm/debugfs: fix plain echo to connector "force" attribute drm/radeon: disable AGP by default irqchip/irq-mtk-sysirq: Replace spinlock with raw_spinlock mm/mmap.c: Add cond_resched() for exit_mmap() CPU stalls brcmfmac: keep SDIO watchdog running when console_interval is non-zero brcmfmac: To fix Bss Info flag definition Bug brcmfmac: set state of hanger slot to FREE when flushing PSQ iwlegacy: Check the return value of pcie_capability_read_*() gpu: host1x: debug: Fix multiple channels emitting messages simultaneously usb: gadget: net2280: fix memory leak on probe error handling paths bdc: Fix bug causing crash after multiple disconnects usb: bdc: Halt controller on suspend dyndbg: fix a BUG_ON in ddebug_describe_flags bcache: fix super block seq numbers comparision in register_cache_set() ACPICA: Do not increment operation_region reference counts for field units drm/msm: ratelimit crtc event overflow error agp/intel: Fix a memory leak on module initialisation failure video: fbdev: sm712fb: fix an issue about iounmap for a wrong address console: newport_con: fix an issue about leak related system resources video: pxafb: Fix the function used to balance a 'dma_alloc_coherent()' call ath10k: Acquire tx_lock in tx error paths iio: improve IIO_CONCENTRATION channel type description drm/etnaviv: Fix error path on failure to enable bus clk drm/arm: fix unintentional integer overflow on left shift leds: lm355x: avoid enum conversion warning media: omap3isp: Add missed v4l2_ctrl_handler_free() for preview_init_entities() ASoC: Intel: bxt_rt298: add missing .owner field scsi: cumana_2: Fix different dev_id between request_irq() and free_irq() drm/mipi: use dcs write for mipi_dsi_dcs_set_tear_scanline cxl: Fix kobject memleak drm/radeon: fix array out-of-bounds read and write issues scsi: powertec: Fix different dev_id between request_irq() and free_irq() scsi: eesox: Fix different dev_id between request_irq() and free_irq() ipvs: allow connection reuse for unconfirmed conntrack media: firewire: Using uninitialized values in node_probe() media: exynos4-is: Add missed check for pinctrl_lookup_state() xfs: don't eat an EIO/ENOSPC writeback error when scrubbing data fork xfs: fix reflink quota reservation accounting error RDMA/rxe: Skip dgid check in loopback mode PCI: Fix pci_cfg_wait queue locking problem leds: core: Flush scheduled work for system suspend drm: panel: simple: Fix bpc for LG LB070WV8 panel phy: exynos5-usbdrd: Calibrating makes sense only for USB2.0 PHY drm/bridge: sil_sii8620: initialize return of sii8620_readb scsi: scsi_debug: Add check for sdebug_max_queue during module init mwifiex: Prevent memory corruption handling keys powerpc/vdso: Fix vdso cpu truncation RDMA/qedr: SRQ's bug fixes RDMA/rxe: Prevent access to wr->next ptr afrer wr is posted to send queue staging: rtl8192u: fix a dubious looking mask before a shift PCI/ASPM: Add missing newline in sysfs 'policy' powerpc/book3s64/pkeys: Use PVR check instead of cpu feature drm/imx: tve: fix regulator_disable error path USB: serial: iuu_phoenix: fix led-activity helpers usb: core: fix quirks_param_set() writing to a const pointer thermal: ti-soc-thermal: Fix reversed condition in ti_thermal_expose_sensor() coresight: tmc: Fix TMC mode read in tmc_read_unprepare_etb() MIPS: OCTEON: add missing put_device() call in dwc3_octeon_device_init() usb: dwc2: Fix error path in gadget registration scsi: mesh: Fix panic after host or bus reset net: dsa: mv88e6xxx: MV88E6097 does not support jumbo configuration PCI: cadence: Fix updating Vendor ID and Subsystem Vendor ID register RDMA/core: Fix return error value in _ib_modify_qp() to negative Smack: fix another vsscanf out of bounds Smack: prevent underflow in smk_set_cipso() power: supply: check if calc_soc succeeded in pm860x_init_battery Bluetooth: hci_h5: Set HCI_UART_RESET_ON_INIT to correct flags Bluetooth: hci_serdev: Only unregister device if it was registered net: dsa: rtl8366: Fix VLAN semantics net: dsa: rtl8366: Fix VLAN set-up powerpc/boot: Fix CONFIG_PPC_MPC52XX references selftests/powerpc: Fix CPU affinity for child process PCI: Release IVRS table in AMD ACS quirk selftests/powerpc: Fix online CPU selection ASoC: meson: axg-tdm-interface: fix link fmt setup s390/qeth: don't process empty bridge port events wl1251: fix always return 0 error tools, build: Propagate build failures from tools/build/Makefile.build net: ethernet: aquantia: Fix wrong return value liquidio: Fix wrong return value in cn23xx_get_pf_num() net: spider_net: Fix the size used in a 'dma_free_coherent()' call fsl/fman: use 32-bit unsigned integer fsl/fman: fix dereference null return value fsl/fman: fix unreachable code fsl/fman: check dereferencing null pointer fsl/fman: fix eth hash table allocation dlm: Fix kobject memleak ocfs2: fix unbalanced locking pinctrl-single: fix pcs_parse_pinconf() return value svcrdma: Fix page leak in svc_rdma_recv_read_chunk() x86/fsgsbase/64: Fix NULL deref in 86_fsgsbase_read_task crypto: aesni - add compatibility with IAS af_packet: TPACKET_V3: fix fill status rwlock imbalance drivers/net/wan/lapbether: Added needed_headroom and a skb->len check net/nfc/rawsock.c: add CAP_NET_RAW check. net: Set fput_needed iff FDPUT_FPUT is set net/tls: Fix kmap usage net: refactor bind_bucket fastreuse into helper net: initialize fastreuse on inet_inherit_port USB: serial: cp210x: re-enable auto-RTS on open USB: serial: cp210x: enable usb generic throttle/unthrottle ALSA: hda - fix the micmute led status for Lenovo ThinkCentre AIO ALSA: usb-audio: Creative USB X-Fi Pro SB1095 volume knob support ALSA: usb-audio: fix overeager device match for MacroSilicon MS2109 ALSA: usb-audio: work around streaming quirk for MacroSilicon MS2109 pstore: Fix linking when crypto API disabled crypto: hisilicon - don't sleep of CRYPTO_TFM_REQ_MAY_SLEEP was not specified crypto: qat - fix double free in qat_uclo_create_batch_init_list crypto: ccp - Fix use of merged scatterlists crypto: cpt - don't sleep of CRYPTO_TFM_REQ_MAY_SLEEP was not specified bitfield.h: don't compile-time validate _val in FIELD_FIT fs/minix: check return value of sb_getblk() fs/minix: don't allow getting deleted inodes fs/minix: reject too-large maximum file size ALSA: usb-audio: add quirk for Pioneer DDJ-RB 9p: Fix memory leak in v9fs_mount drm/ttm/nouveau: don't call tt destroy callback on alloc failure. NFS: Don't move layouts to plh_return_segs list while in use NFS: Don't return layout segments that are in use cpufreq: dt: fix oops on armada37xx include/asm-generic/vmlinux.lds.h: align ro_after_init spi: spidev: Align buffers for DMA mtd: rawnand: qcom: avoid write to unavailable register parisc: Implement __smp_store_release and __smp_load_acquire barriers parisc: mask out enable and reserved bits from sba imask ARM: 8992/1: Fix unwind_frame for clang-built kernels irqdomain/treewide: Free firmware node after domain removal xen/balloon: fix accounting in alloc_xenballooned_pages error path xen/balloon: make the balloon wait interruptible xen/gntdev: Fix dmabuf import with non-zero sgt offset Linux 4.19.140 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> Change-Id: I6b0d8dcf9ded022f62d9c62605388f1c1e9112d1 |
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Romain Naour
|
5de7ab80c8 |
include/asm-generic/vmlinux.lds.h: align ro_after_init
commit 7f897acbe5d57995438c831670b7c400e9c0dc00 upstream. Since the patch [1], building the kernel using a toolchain built with binutils 2.33.1 prevents booting a sh4 system under Qemu. Apply the patch provided by Alan Modra [2] that fix alignment of rodata. [1] https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=ebd2263ba9a9124d93bbc0ece63d7e0fae89b40e [2] https://www.sourceware.org/ml/binutils/2019-12/msg00112.html Signed-off-by: Romain Naour <romain.naour@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Cc: Alan Modra <amodra@gmail.com> Cc: Bin Meng <bin.meng@windriver.com> Cc: Chen Zhou <chenzhou10@huawei.com> Cc: Geert Uytterhoeven <geert+renesas@glider.be> Cc: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> Cc: Krzysztof Kozlowski <krzk@kernel.org> Cc: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Cc: Rich Felker <dalias@libc.org> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: Arnd Bergmann <arnd@arndb.de> Cc: <stable@vger.kernel.org> Link: https://marc.info/?l=linux-sh&m=158429470221261 Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Greg Kroah-Hartman
|
bcf9517454 |
Merge 4.19.135 into android-4.19-stable
Changes in 4.19.135
soc: qcom: rpmh: Dirt can only make you dirtier, not cleaner
gpio: arizona: handle pm_runtime_get_sync failure case
gpio: arizona: put pm_runtime in case of failure
pinctrl: amd: fix npins for uart0 in kerncz_groups
mac80211: allow rx of mesh eapol frames with default rx key
scsi: scsi_transport_spi: Fix function pointer check
xtensa: fix __sync_fetch_and_{and,or}_4 declarations
xtensa: update *pos in cpuinfo_op.next
drivers/net/wan/lapbether: Fixed the value of hard_header_len
net: sky2: initialize return of gm_phy_read
drm/nouveau/i2c/g94-: increase NV_PMGR_DP_AUXCTL_TRANSACTREQ timeout
drivers/firmware/psci: Fix memory leakage in alloc_init_cpu_groups()
fuse: fix weird page warning
irqdomain/treewide: Keep firmware node unconditionally allocated
SUNRPC reverting d03727b248d0 ("NFSv4 fix CLOSE not waiting for direct IO compeletion")
spi: spi-fsl-dspi: Exit the ISR with IRQ_NONE when it's not ours
tipc: clean up skb list lock handling on send path
IB/umem: fix reference count leak in ib_umem_odp_get()
uprobes: Change handle_swbp() to send SIGTRAP with si_code=SI_KERNEL, to fix GDB regression
ALSA: info: Drop WARN_ON() from buffer NULL sanity check
ASoC: rt5670: Correct RT5670_LDO_SEL_MASK
btrfs: fix double free on ulist after backref resolution failure
btrfs: fix mount failure caused by race with umount
btrfs: fix page leaks after failure to lock page for delalloc
bnxt_en: Fix race when modifying pause settings.
fpga: dfl: fix bug in port reset handshake
hippi: Fix a size used in a 'pci_free_consistent()' in an error handling path
ax88172a: fix ax88172a_unbind() failures
net: dp83640: fix SIOCSHWTSTAMP to update the struct with actual configuration
ieee802154: fix one possible memleak in adf7242_probe
drm: sun4i: hdmi: Fix inverted HPD result
net: smc91x: Fix possible memory leak in smc_drv_probe()
bonding: check error value of register_netdevice() immediately
mlxsw: destroy workqueue when trap_register in mlxsw_emad_init
qed: suppress "don't support RoCE & iWARP" flooding on HW init
ipvs: fix the connection sync failed in some cases
net: ethernet: ave: Fix error returns in ave_init
i2c: rcar: always clear ICSAR to avoid side effects
bonding: check return value of register_netdevice() in bond_newlink()
serial: exar: Fix GPIO configuration for Sealevel cards based on XR17V35X
scripts/decode_stacktrace: strip basepath from all paths
scripts/gdb: fix lx-symbols 'gdb.error' while loading modules
HID: i2c-hid: add Mediacom FlexBook edge13 to descriptor override
HID: alps: support devices with report id 2
HID: steam: fixes race in handling device list.
HID: apple: Disable Fn-key key-re-mapping on clone keyboards
dmaengine: tegra210-adma: Fix runtime PM imbalance on error
Input: add `SW_MACHINE_COVER`
spi: mediatek: use correct SPI_CFG2_REG MACRO
regmap: dev_get_regmap_match(): fix string comparison
hwmon: (aspeed-pwm-tacho) Avoid possible buffer overflow
dmaengine: ioat setting ioat timeout as module parameter
Input: synaptics - enable InterTouch for ThinkPad X1E 1st gen
usb: gadget: udc: gr_udc: fix memleak on error handling path in gr_ep_init()
hwmon: (adm1275) Make sure we are reading enough data for different chips
hwmon: (scmi) Fix potential buffer overflow in scmi_hwmon_probe()
arm64: Use test_tsk_thread_flag() for checking TIF_SINGLESTEP
x86: math-emu: Fix up 'cmp' insn for clang ias
RISC-V: Upgrade smp_mb__after_spinlock() to iorw,iorw
binder: Don't use mmput() from shrinker function.
usb: xhci-mtk: fix the failure of bandwidth allocation
usb: xhci: Fix ASM2142/ASM3142 DMA addressing
Revert "cifs: Fix the target file was deleted when rename failed."
staging: wlan-ng: properly check endpoint types
staging: comedi: addi_apci_1032: check INSN_CONFIG_DIGITAL_TRIG shift
staging: comedi: ni_6527: fix INSN_CONFIG_DIGITAL_TRIG support
staging: comedi: addi_apci_1500: check INSN_CONFIG_DIGITAL_TRIG shift
staging: comedi: addi_apci_1564: check INSN_CONFIG_DIGITAL_TRIG shift
serial: 8250: fix null-ptr-deref in serial8250_start_tx()
serial: 8250_mtk: Fix high-speed baud rates clamping
fbdev: Detect integer underflow at "struct fbcon_ops"->clear_margins.
vt: Reject zero-sized screen buffer size.
Makefile: Fix GCC_TOOLCHAIN_DIR prefix for Clang cross compilation
mm/memcg: fix refcount error while moving and swapping
mm: memcg/slab: synchronize access to kmem_cache dying flag using a spinlock
mm: memcg/slab: fix memory leak at non-root kmem_cache destroy
io-mapping: indicate mapping failure
drm/amdgpu: Fix NULL dereference in dpm sysfs handlers
drm/amd/powerplay: fix a crash when overclocking Vega M
parisc: Add atomic64_set_release() define to avoid CPU soft lockups
x86, vmlinux.lds: Page-align end of ..page_aligned sections
ASoC: rt5670: Add new gpio1_is_ext_spk_en quirk and enable it on the Lenovo Miix 2 10
ASoC: qcom: Drop HAS_DMA dependency to fix link failure
dm integrity: fix integrity recalculation that is improperly skipped
ath9k: Fix general protection fault in ath9k_hif_usb_rx_cb
ath9k: Fix regression with Atheros 9271
Linux 4.19.135
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I0bbcde83e7c810352d998f28d3484efa2b9ede8e
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Joerg Roedel
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159bcd5488 |
x86, vmlinux.lds: Page-align end of ..page_aligned sections
commit de2b41be8fcccb2f5b6c480d35df590476344201 upstream. On x86-32 the idt_table with 256 entries needs only 2048 bytes. It is page-aligned, but the end of the .bss..page_aligned section is not guaranteed to be page-aligned. As a result, objects from other .bss sections may end up on the same 4k page as the idt_table, and will accidentially get mapped read-only during boot, causing unexpected page-faults when the kernel writes to them. This could be worked around by making the objects in the page aligned sections page sized, but that's wrong. Explicit sections which store only page aligned objects have an implicit guarantee that the object is alone in the page in which it is placed. That works for all objects except the last one. That's inconsistent. Enforcing page sized objects for these sections would wreckage memory sanitizers, because the object becomes artificially larger than it should be and out of bound access becomes legit. Align the end of the .bss..page_aligned and .data..page_aligned section on page-size so all objects places in these sections are guaranteed to have their own page. [ tglx: Amended changelog ] Signed-off-by: Joerg Roedel <jroedel@suse.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Kees Cook <keescook@chromium.org> Cc: stable@vger.kernel.org Link: https://lkml.kernel.org/r/20200721093448.10417-1-joro@8bytes.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Sami Tolvanen
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4976b0dad5 |
ANDROID: 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 Bug: 133186739 Change-Id: Ic009f0a629b552a0eb16e6d89808c7029e91447d Signed-off-by: Sami Tolvanen <samitolvanen@google.com> |
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Sami Tolvanen
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c274f8308e |
FROMLIST: kbuild: fix dynamic ftrace with clang LTO
With CONFIG_LTO_CLANG enabled, LLVM IR won't be compiled into object files until modpost_link. This change postpones calls to recordmcount until after this step. In order to exclude ftrace_process_locs from inspection, we add a new code section .text..ftrace, which we tell recordmcount to ignore, and a __norecordmcount attribute for moving functions to this section. Bug: 62093296 Bug: 67506682 Bug: 133186739 Change-Id: Iba2c053968206acf533fadab1eb34a743b5088ee (am from https://patchwork.kernel.org/patch/10060327/) Signed-off-by: Sami Tolvanen <samitolvanen@google.com> |
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Sami Tolvanen
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0e0752ebd2 |
ANDROID: kbuild: add support for clang LTO
This change adds the configuration option CONFIG_LTO_CLANG, and build system support for clang's Link Time Optimization (LTO). In preparation for LTO support for other compilers, potentially common parts of the changes are gated behind CONFIG_LTO instead. With -flto, instead of object files, clang produces LLVM bitcode, which is compiled into a native object at link time, allowing the final binary to be optimized globally. For more details, see: https://llvm.org/docs/LinkTimeOptimization.html While the kernel normally uses GNU ld for linking, LLVM supports LTO only with lld or GNU gold linkers. This patch set assumes lld will be used. Bug: 62093296 Bug: 67506682 Bug: 133186739 Change-Id: Ibcd9fc7ec501b4f30b43b4877897615645f8655f Signed-off-by: Sami Tolvanen <samitolvanen@google.com> |
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Josh Poimboeuf
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3e5a054b0f |
x86/unwind/orc: Fix ORC unwind table alignment
commit f76a16adc485699f95bb71fce114f97c832fe664 upstream.
The .orc_unwind section is a packed array of 6-byte structs. It's
currently aligned to 6 bytes, which is causing warnings in the LLD
linker.
Six isn't a power of two, so it's not a valid alignment value. The
actual alignment doesn't matter much because it's an array of packed
structs. An alignment of two is sufficient. In reality it always gets
aligned to four bytes because it comes immediately after the
4-byte-aligned .orc_unwind_ip section.
Fixes:
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Peter Oberparleiter
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52c8ee5bad |
vmlinux.lds.h: Fix linker warnings about orphan .LPBX sections
Enabling both CONFIG_LD_DEAD_CODE_DATA_ELIMINATION=y and CONFIG_GCOV_PROFILE_ALL=y results in linker warnings: warning: orphan section `.data..LPBX1' being placed in section `.data..LPBX1'. LD_DEAD_CODE_DATA_ELIMINATION adds compiler flag -fdata-sections. This option causes GCC to create separate data sections for data objects, including those generated by GCC internally for gcov profiling. The names of these objects start with a dot (.LPBX0, .LPBX1), resulting in section names starting with 'data..'. As section names starting with 'data..' are used for specific purposes in the Linux kernel, the linker script does not automatically include them in the output data section, resulting in the "orphan section" linker warnings. Fix this by specifically including sections named "data..LPBX*" in the data section. Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Tested-by: Stephen Rothwell <sfr@canb.auug.org.au> Tested-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Peter Oberparleiter <oberpar@linux.ibm.com> Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> |
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Peter Oberparleiter
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8dcf86caa1 |
vmlinux.lds.h: Fix incomplete .text.exit discards
Enabling CONFIG_GCOV_PROFILE_ALL=y causes linker errors on ARM: `.text.exit' referenced in section `.ARM.exidx.text.exit': defined in discarded section `.text.exit' `.text.exit' referenced in section `.fini_array.00100': defined in discarded section `.text.exit' And related errors on NDS32: `.text.exit' referenced in section `.dtors.65435': defined in discarded section `.text.exit' The gcov compiler flags cause certain compiler versions to generate additional destructor-related sections that are not yet handled by the linker script, resulting in references between discarded and non-discarded sections. Since destructors are not used in the Linux kernel, fix this by discarding these additional sections. Reported-by: Arnd Bergmann <arnd@arndb.de> Tested-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Arnd Bergmann <arnd@arndb.de> Reported-by: Greentime Hu <green.hu@gmail.com> Tested-by: Masami Hiramatsu <mhiramat@kernel.org> Signed-off-by: Peter Oberparleiter <oberpar@linux.ibm.com> Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> |
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Masahiro Yamada
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7953002a7c |
vmlinux.lds.h: remove stale <linux/export.h> include
This is unneeded since commit
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Rob Herring
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ac6bbf0cdf |
iommu: Remove IOMMU_OF_DECLARE
Now that we use the driver core to stop deferred probe for missing drivers, IOMMU_OF_DECLARE can be removed. This is slightly less optimal than having a list of built-in drivers in that we'll now defer probe twice before giving up. This shouldn't have a significant impact on boot times as past discussions about deferred probe have given no evidence of deferred probe having a substantial impact. Cc: Robin Murphy <robin.murphy@arm.com> Cc: Kukjin Kim <kgene@kernel.org> Cc: Krzysztof Kozlowski <krzk@kernel.org> Cc: Rob Clark <robdclark@gmail.com> Cc: Heiko Stuebner <heiko@sntech.de> Cc: Frank Rowand <frowand.list@gmail.com> Cc: linux-arm-kernel@lists.infradead.org Cc: iommu@lists.linux-foundation.org Cc: linux-samsung-soc@vger.kernel.org Cc: linux-arm-msm@vger.kernel.org Cc: linux-rockchip@lists.infradead.org Cc: devicetree@vger.kernel.org Acked-by: Will Deacon <will.deacon@arm.com> Acked-by: Marek Szyprowski <m.szyprowski@samsung.com> Acked-by: Joerg Roedel <jroedel@suse.de> Signed-off-by: Rob Herring <robh@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Nicholas Piggin
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266ff2a8f5 |
kbuild: Fix asm-generic/vmlinux.lds.h for LD_DEAD_CODE_DATA_ELIMINATION
KEEP more tables, and add the function/data section wildcard to more section selections. This is a little ad-hoc at the moment, but kernel code should be moved to consistently use .text..x (note: double dots) for explicit sections and all references to it in the linker script can be made with TEXT_MAIN, and similarly for other sections. For now, let's see if major architectures move to enabling this option then we can do some refactoring passes. Otherwise if it remains unused or superseded by LTO, this may not be required. Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> |
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Masahiro Yamada
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a621438500 |
vmlinux.lds.h: remove no-op macro VMLINUX_SYMBOL()
Now that VMLINUX_SYMBOL() is no-op, clean up the linker script. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Sam Ravnborg <sam@ravnborg.org> |
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Daniel Kurtz
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dd709e72cb |
earlycon: Use a pointer table to fix __earlycon_table stride
Commit |
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Linus Torvalds
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23221d997b |
Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 updates from Will Deacon:
"Nothing particularly stands out here, probably because people were
tied up with spectre/meltdown stuff last time around. Still, the main
pieces are:
- Rework of our CPU features framework so that we can whitelist CPUs
that don't require kpti even in a heterogeneous system
- Support for the IDC/DIC architecture extensions, which allow us to
elide instruction and data cache maintenance when writing out
instructions
- Removal of the large memory model which resulted in suboptimal
codegen by the compiler and increased the use of literal pools,
which could potentially be used as ROP gadgets since they are
mapped as executable
- Rework of forced signal delivery so that the siginfo_t is
well-formed and handling of show_unhandled_signals is consolidated
and made consistent between different fault types
- More siginfo cleanup based on the initial patches from Eric
Biederman
- Workaround for Cortex-A55 erratum #1024718
- Some small ACPI IORT updates and cleanups from Lorenzo Pieralisi
- Misc cleanups and non-critical fixes"
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (70 commits)
arm64: uaccess: Fix omissions from usercopy whitelist
arm64: fpsimd: Split cpu field out from struct fpsimd_state
arm64: tlbflush: avoid writing RES0 bits
arm64: cmpxchg: Include linux/compiler.h in asm/cmpxchg.h
arm64: move percpu cmpxchg implementation from cmpxchg.h to percpu.h
arm64: cmpxchg: Include build_bug.h instead of bug.h for BUILD_BUG
arm64: lse: Include compiler_types.h and export.h for out-of-line LL/SC
arm64: fpsimd: include <linux/init.h> in fpsimd.h
drivers/perf: arm_pmu_platform: do not warn about affinity on uniprocessor
perf: arm_spe: include linux/vmalloc.h for vmap()
Revert "arm64: Revert L1_CACHE_SHIFT back to 6 (64-byte cache line size)"
arm64: cpufeature: Avoid warnings due to unused symbols
arm64: Add work around for Arm Cortex-A55 Erratum 1024718
arm64: Delay enabling hardware DBM feature
arm64: Add MIDR encoding for Arm Cortex-A55 and Cortex-A35
arm64: capabilities: Handle shared entries
arm64: capabilities: Add support for checks based on a list of MIDRs
arm64: Add helpers for checking CPU MIDR against a range
arm64: capabilities: Clean up midr range helpers
arm64: capabilities: Change scope of VHE to Boot CPU feature
...
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Alexei Starovoitov
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c4f6699dfc |
bpf: introduce BPF_RAW_TRACEPOINT
Introduce BPF_PROG_TYPE_RAW_TRACEPOINT bpf program type to access
kernel internal arguments of the tracepoints in their raw form.
>From bpf program point of view the access to the arguments look like:
struct bpf_raw_tracepoint_args {
__u64 args[0];
};
int bpf_prog(struct bpf_raw_tracepoint_args *ctx)
{
// program can read args[N] where N depends on tracepoint
// and statically verified at program load+attach time
}
kprobe+bpf infrastructure allows programs access function arguments.
This feature allows programs access raw tracepoint arguments.
Similar to proposed 'dynamic ftrace events' there are no abi guarantees
to what the tracepoints arguments are and what their meaning is.
The program needs to type cast args properly and use bpf_probe_read()
helper to access struct fields when argument is a pointer.
For every tracepoint __bpf_trace_##call function is prepared.
In assembler it looks like:
(gdb) disassemble __bpf_trace_xdp_exception
Dump of assembler code for function __bpf_trace_xdp_exception:
0xffffffff81132080 <+0>: mov %ecx,%ecx
0xffffffff81132082 <+2>: jmpq 0xffffffff811231f0 <bpf_trace_run3>
where
TRACE_EVENT(xdp_exception,
TP_PROTO(const struct net_device *dev,
const struct bpf_prog *xdp, u32 act),
The above assembler snippet is casting 32-bit 'act' field into 'u64'
to pass into bpf_trace_run3(), while 'dev' and 'xdp' args are passed as-is.
All of ~500 of __bpf_trace_*() functions are only 5-10 byte long
and in total this approach adds 7k bytes to .text.
This approach gives the lowest possible overhead
while calling trace_xdp_exception() from kernel C code and
transitioning into bpf land.
Since tracepoint+bpf are used at speeds of 1M+ events per second
this is valuable optimization.
The new BPF_RAW_TRACEPOINT_OPEN sys_bpf command is introduced
that returns anon_inode FD of 'bpf-raw-tracepoint' object.
The user space looks like:
// load bpf prog with BPF_PROG_TYPE_RAW_TRACEPOINT type
prog_fd = bpf_prog_load(...);
// receive anon_inode fd for given bpf_raw_tracepoint with prog attached
raw_tp_fd = bpf_raw_tracepoint_open("xdp_exception", prog_fd);
Ctrl-C of tracing daemon or cmdline tool that uses this feature
will automatically detach bpf program, unload it and
unregister tracepoint probe.
On the kernel side the __bpf_raw_tp_map section of pointers to
tracepoint definition and to __bpf_trace_*() probe function is used
to find a tracepoint with "xdp_exception" name and
corresponding __bpf_trace_xdp_exception() probe function
which are passed to tracepoint_probe_register() to connect probe
with tracepoint.
Addition of bpf_raw_tracepoint doesn't interfere with ftrace and perf
tracepoint mechanisms. perf_event_open() can be used in parallel
on the same tracepoint.
Multiple bpf_raw_tracepoint_open("xdp_exception", prog_fd) are permitted.
Each with its own bpf program. The kernel will execute
all tracepoint probes and all attached bpf programs.
In the future bpf_raw_tracepoints can be extended with
query/introspection logic.
__bpf_raw_tp_map section logic was contributed by Steven Rostedt
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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Jia He
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c38d08526b |
ACPI/IORT: Remove linker section for IORT entries again
In commit |
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Linus Torvalds
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b2fe5fa686 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking updates from David Miller:
1) Significantly shrink the core networking routing structures. Result
of http://vger.kernel.org/~davem/seoul2017_netdev_keynote.pdf
2) Add netdevsim driver for testing various offloads, from Jakub
Kicinski.
3) Support cross-chip FDB operations in DSA, from Vivien Didelot.
4) Add a 2nd listener hash table for TCP, similar to what was done for
UDP. From Martin KaFai Lau.
5) Add eBPF based queue selection to tun, from Jason Wang.
6) Lockless qdisc support, from John Fastabend.
7) SCTP stream interleave support, from Xin Long.
8) Smoother TCP receive autotuning, from Eric Dumazet.
9) Lots of erspan tunneling enhancements, from William Tu.
10) Add true function call support to BPF, from Alexei Starovoitov.
11) Add explicit support for GRO HW offloading, from Michael Chan.
12) Support extack generation in more netlink subsystems. From Alexander
Aring, Quentin Monnet, and Jakub Kicinski.
13) Add 1000BaseX, flow control, and EEE support to mvneta driver. From
Russell King.
14) Add flow table abstraction to netfilter, from Pablo Neira Ayuso.
15) Many improvements and simplifications to the NFP driver bpf JIT,
from Jakub Kicinski.
16) Support for ipv6 non-equal cost multipath routing, from Ido
Schimmel.
17) Add resource abstration to devlink, from Arkadi Sharshevsky.
18) Packet scheduler classifier shared filter block support, from Jiri
Pirko.
19) Avoid locking in act_csum, from Davide Caratti.
20) devinet_ioctl() simplifications from Al viro.
21) More TCP bpf improvements from Lawrence Brakmo.
22) Add support for onlink ipv6 route flag, similar to ipv4, from David
Ahern.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1925 commits)
tls: Add support for encryption using async offload accelerator
ip6mr: fix stale iterator
net/sched: kconfig: Remove blank help texts
openvswitch: meter: Use 64-bit arithmetic instead of 32-bit
tcp_nv: fix potential integer overflow in tcpnv_acked
r8169: fix RTL8168EP take too long to complete driver initialization.
qmi_wwan: Add support for Quectel EP06
rtnetlink: enable IFLA_IF_NETNSID for RTM_NEWLINK
ipmr: Fix ptrdiff_t print formatting
ibmvnic: Wait for device response when changing MAC
qlcnic: fix deadlock bug
tcp: release sk_frag.page in tcp_disconnect
ipv4: Get the address of interface correctly.
net_sched: gen_estimator: fix lockdep splat
net: macb: Handle HRESP error
net/mlx5e: IPoIB, Fix copy-paste bug in flow steering refactoring
ipv6: addrconf: break critical section in addrconf_verify_rtnl()
ipv6: change route cache aging logic
i40e/i40evf: Update DESC_NEEDED value to reflect larger value
bnxt_en: cleanup DIM work on device shutdown
...
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Masami Hiramatsu
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663faf9f7b |
error-injection: Add injectable error types
Add injectable error types for each error-injectable function. One motivation of error injection test is to find software flaws, mistakes or mis-handlings of expectable errors. If we find such flaws by the test, that is a program bug, so we need to fix it. But if the tester miss input the error (e.g. just return success code without processing anything), it causes unexpected behavior even if the caller is correctly programmed to handle any errors. That is not what we want to test by error injection. To clarify what type of errors the caller must expect for each injectable function, this introduces injectable error types: - EI_ETYPE_NULL : means the function will return NULL if it fails. No ERR_PTR, just a NULL. - EI_ETYPE_ERRNO : means the function will return -ERRNO if it fails. - EI_ETYPE_ERRNO_NULL : means the function will return -ERRNO (ERR_PTR) or NULL. ALLOW_ERROR_INJECTION() macro is expanded to get one of NULL, ERRNO, ERRNO_NULL to record the error type for each function. e.g. ALLOW_ERROR_INJECTION(open_ctree, ERRNO) This error types are shown in debugfs as below. ==== / # cat /sys/kernel/debug/error_injection/list open_ctree [btrfs] ERRNO io_ctl_init [btrfs] ERRNO ==== Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org> Reviewed-by: Josef Bacik <jbacik@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> |
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Masami Hiramatsu
|
540adea380 |
error-injection: Separate error-injection from kprobe
Since error-injection framework is not limited to be used by kprobes, nor bpf. Other kernel subsystems can use it freely for checking safeness of error-injection, e.g. livepatch, ftrace etc. So this separate error-injection framework from kprobes. Some differences has been made: - "kprobe" word is removed from any APIs/structures. - BPF_ALLOW_ERROR_INJECTION() is renamed to ALLOW_ERROR_INJECTION() since it is not limited for BPF too. - CONFIG_FUNCTION_ERROR_INJECTION is the config item of this feature. It is automatically enabled if the arch supports error injection feature for kprobe or ftrace etc. Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org> Reviewed-by: Josef Bacik <jbacik@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> |
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David Howells
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0500871f21 |
Construct init thread stack in the linker script rather than by union
Construct the init thread stack in the linker script rather than doing it by means of a union so that ia64's init_task.c can be got rid of. The following symbols are then made available from INIT_TASK_DATA() linker script macro: init_thread_union init_stack INIT_TASK_DATA() also expands the region to THREAD_SIZE to accommodate the size of the init stack. init_thread_union is given its own section so that it can be placed into the stack space in the right order. I'm assuming that the ia64 ordering is correct and that the task_struct is first and the thread_info second. Signed-off-by: David Howells <dhowells@redhat.com> Tested-by: Tony Luck <tony.luck@intel.com> Tested-by: Will Deacon <will.deacon@arm.com> (arm64) Tested-by: Palmer Dabbelt <palmer@sifive.com> Acked-by: Thomas Gleixner <tglx@linutronix.de> |
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Josef Bacik
|
92ace9991d |
add infrastructure for tagging functions as error injectable
Using BPF we can override kprob'ed functions and return arbitrary values. Obviously this can be a bit unsafe, so make this feature opt-in for functions. Simply tag a function with KPROBE_ERROR_INJECT_SYMBOL in order to give BPF access to that function for error injection purposes. Signed-off-by: Josef Bacik <jbacik@fb.com> Acked-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Alexei Starovoitov <ast@kernel.org> |
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Andi Kleen
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b1fca27d38 |
kernel debug: support resetting WARN*_ONCE
I like _ONCE warnings because it's guaranteed that they don't flood the log. During testing I find it useful to reset the state of the once warnings, so that I can rerun tests and see if they trigger again, or can guarantee that a test run always hits the same warnings. This patch adds a debugfs interface to reset all the _ONCE warnings so that they appear again: echo 1 > /sys/kernel/debug/clear_warn_once This is implemented by putting all the warning booleans into a special section, and clearing it. [akpm@linux-foundation.org: coding-style fixes] Link: http://lkml.kernel.org/r/20171017221455.6740-1-andi@firstfloor.org Signed-off-by: Andi Kleen <ak@linux.intel.com> Tested-by: Michael Ellerman <mpe@ellerman.id.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Linus Torvalds
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d6ec9d9a4d |
Merge branch 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 core updates from Ingo Molnar:
"Note that in this cycle most of the x86 topics interacted at a level
that caused them to be merged into tip:x86/asm - but this should be a
temporary phenomenon, hopefully we'll back to the usual patterns in
the next merge window.
The main changes in this cycle were:
Hardware enablement:
- Add support for the Intel UMIP (User Mode Instruction Prevention)
CPU feature. This is a security feature that disables certain
instructions such as SGDT, SLDT, SIDT, SMSW and STR. (Ricardo Neri)
[ Note that this is disabled by default for now, there are some
smaller enhancements in the pipeline that I'll follow up with in
the next 1-2 days, which allows this to be enabled by default.]
- Add support for the AMD SEV (Secure Encrypted Virtualization) CPU
feature, on top of SME (Secure Memory Encryption) support that was
added in v4.14. (Tom Lendacky, Brijesh Singh)
- Enable new SSE/AVX/AVX512 CPU features: AVX512_VBMI2, GFNI, VAES,
VPCLMULQDQ, AVX512_VNNI, AVX512_BITALG. (Gayatri Kammela)
Other changes:
- A big series of entry code simplifications and enhancements (Andy
Lutomirski)
- Make the ORC unwinder default on x86 and various objtool
enhancements. (Josh Poimboeuf)
- 5-level paging enhancements (Kirill A. Shutemov)
- Micro-optimize the entry code a bit (Borislav Petkov)
- Improve the handling of interdependent CPU features in the early
FPU init code (Andi Kleen)
- Build system enhancements (Changbin Du, Masahiro Yamada)
- ... plus misc enhancements, fixes and cleanups"
* 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (118 commits)
x86/build: Make the boot image generation less verbose
selftests/x86: Add tests for the STR and SLDT instructions
selftests/x86: Add tests for User-Mode Instruction Prevention
x86/traps: Fix up general protection faults caused by UMIP
x86/umip: Enable User-Mode Instruction Prevention at runtime
x86/umip: Force a page fault when unable to copy emulated result to user
x86/umip: Add emulation code for UMIP instructions
x86/cpufeature: Add User-Mode Instruction Prevention definitions
x86/insn-eval: Add support to resolve 16-bit address encodings
x86/insn-eval: Handle 32-bit address encodings in virtual-8086 mode
x86/insn-eval: Add wrapper function for 32 and 64-bit addresses
x86/insn-eval: Add support to resolve 32-bit address encodings
x86/insn-eval: Compute linear address in several utility functions
resource: Fix resource_size.cocci warnings
X86/KVM: Clear encryption attribute when SEV is active
X86/KVM: Decrypt shared per-cpu variables when SEV is active
percpu: Introduce DEFINE_PER_CPU_DECRYPTED
x86: Add support for changing memory encryption attribute in early boot
x86/io: Unroll string I/O when SEV is active
x86/boot: Add early boot support when running with SEV active
...
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Brijesh Singh
|
ac26963a11 |
percpu: Introduce DEFINE_PER_CPU_DECRYPTED
KVM guest defines three per-CPU variables (steal-time, apf_reason, and kvm_pic_eoi) which are shared between a guest and a hypervisor. When SEV is active, memory is encrypted with a guest-specific key, and if the guest OS wants to share the memory region with the hypervisor then it must clear the C-bit (i.e set decrypted) before sharing it. DEFINE_PER_CPU_DECRYPTED can be used to define the per-CPU variables which will be shared between a guest and a hypervisor. Signed-off-by: Brijesh Singh <brijesh.singh@amd.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Tested-by: Borislav Petkov <bp@suse.de> Acked-by: Tejun Heo <tj@kernel.org> Reviewed-by: Borislav Petkov <bp@suse.de> Cc: linux-arch@vger.kernel.org Cc: Tom Lendacky <thomas.lendacky@amd.com> Cc: kvm@vger.kernel.org Cc: Arnd Bergmann <arnd@arndb.de> Cc: Borislav Petkov <bp@alien8.de> Cc: Christoph Lameter <cl@linux.com> Link: https://lkml.kernel.org/r/20171020143059.3291-16-brijesh.singh@amd.com |
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Josh Poimboeuf
|
11af847446 |
x86/unwind: Rename unwinder config options to 'CONFIG_UNWINDER_*'
Rename the unwinder config options from: CONFIG_ORC_UNWINDER CONFIG_FRAME_POINTER_UNWINDER CONFIG_GUESS_UNWINDER to: CONFIG_UNWINDER_ORC CONFIG_UNWINDER_FRAME_POINTER CONFIG_UNWINDER_GUESS ... in order to give them a more logical config namespace. Suggested-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/73972fc7e2762e91912c6b9584582703d6f1b8cc.1507924831.git.jpoimboe@redhat.com Signed-off-by: Ingo Molnar <mingo@kernel.org> |
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Kees Cook
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564c9cc84e |
locking/refcounts, x86/asm: Use unique .text section for refcount exceptions
Using .text.unlikely for refcount exceptions isn't safe because gcc may
move entire functions into .text.unlikely (e.g. in6_dev_dev()), which
would cause any uses of a protected refcount_t function to stay inline
with the function, triggering the protection unconditionally:
.section .text.unlikely,"ax",@progbits
.type in6_dev_get, @function
in6_dev_getx:
.LFB4673:
.loc 2 4128 0
.cfi_startproc
...
lock; incl 480(%rbx)
js 111f
.pushsection .text.unlikely
111: lea 480(%rbx), %rcx
112: .byte 0x0f, 0xff
.popsection
113:
This creates a unique .text..refcount section and adds an additional
test to the exception handler to WARN in the case of having none of OF,
SF, nor ZF set so we can see things like this more easily in the future.
The double dot for the section name keeps it out of the TEXT_MAIN macro
namespace, to avoid collisions and so it can be put at the end with
text.unlikely to keep the cold code together.
See commit:
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Linus Torvalds
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a59e57da49 |
Merge tag 'for-linus-20170904' of git://git.infradead.org/linux-mtd
Pull MTD updates from Boris Brezillon:
"General updates:
- Constify pci_device_id in various drivers
- Constify device_type
- Remove pad control code from the Gemini driver
- Use %pOF to print OF node full_name
- Various fixes in the physmap_of driver
- Remove unused vars in mtdswap
- Check devm_kzalloc() return value in the spear_smi driver
- Check clk_prepare_enable() return code in the st_spi_fsm driver
- Create per MTD device debugfs enties
NAND updates, from Boris Brezillon:
- Fix memory leaks in the core
- Remove unused NAND locking support
- Rename nand.h into rawnand.h (preparing support for spi NANDs)
- Use NAND_MAX_ID_LEN where appropriate
- Fix support for 20nm Hynix chips
- Fix support for Samsung and Hynix SLC NANDs
- Various cleanup, improvements and fixes in the qcom driver
- Fixes for bugs detected by various static code analysis tools
- Fix mxc ooblayout definition
- Add a new part_parsers to tmio and sharpsl platform data in order
to define a custom list of partition parsers
- Request the reset line in exclusive mode in the sunxi driver
- Fix a build error in the orion-nand driver when compiled for ARMv4
- Allow 64-bit mvebu platforms to select the PXA3XX driver
SPI NOR updates, from Cyrille Pitchen and Marek Vasut:
- add support to the JEDEC JESD216B specification (SFDP tables).
- add support to the Intel Denverton SPI flash controller.
- fix error recovery for Spansion/Cypress SPI NOR memories.
- fix 4-byte address management for the Aspeed SPI controller.
- add support to some Microchip SST26 memory parts
- remove unneeded pinctrl header Write a message for tag:"
* tag 'for-linus-20170904' of git://git.infradead.org/linux-mtd: (74 commits)
mtd: nand: complain loudly when chip->bits_per_cell is not correctly initialized
mtd: nand: make Samsung SLC NAND usable again
mtd: nand: tmio: Register partitions using the parsers
mfd: tmio: Add partition parsers platform data
mtd: nand: sharpsl: Register partitions using the parsers
mtd: nand: sharpsl: Add partition parsers platform data
mtd: nand: qcom: Support for IPQ8074 QPIC NAND controller
mtd: nand: qcom: support for IPQ4019 QPIC NAND controller
dt-bindings: qcom_nandc: IPQ8074 QPIC NAND documentation
dt-bindings: qcom_nandc: IPQ4019 QPIC NAND documentation
dt-bindings: qcom_nandc: fix the ipq806x device tree example
mtd: nand: qcom: support for different DEV_CMD register offsets
mtd: nand: qcom: QPIC data descriptors handling
mtd: nand: qcom: enable BAM or ADM mode
mtd: nand: qcom: erased codeword detection configuration
mtd: nand: qcom: support for read location registers
mtd: nand: qcom: support for passing flags in DMA helper functions
mtd: nand: qcom: add BAM DMA descriptor handling
mtd: nand: qcom: allocate BAM transaction
mtd: nand: qcom: DMA mapping support for register read buffer
...
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Linus Torvalds
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b0c79f49c3 |
Merge branch 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 asm updates from Ingo Molnar: - Introduce the ORC unwinder, which can be enabled via CONFIG_ORC_UNWINDER=y. The ORC unwinder is a lightweight, Linux kernel specific debuginfo implementation, which aims to be DWARF done right for unwinding. Objtool is used to generate the ORC unwinder tables during build, so the data format is flexible and kernel internal: there's no dependency on debuginfo created by an external toolchain. The ORC unwinder is almost two orders of magnitude faster than the (out of tree) DWARF unwinder - which is important for perf call graph profiling. It is also significantly simpler and is coded defensively: there has not been a single ORC related kernel crash so far, even with early versions. (knock on wood!) But the main advantage is that enabling the ORC unwinder allows CONFIG_FRAME_POINTERS to be turned off - which speeds up the kernel measurably: With frame pointers disabled, GCC does not have to add frame pointer instrumentation code to every function in the kernel. The kernel's .text size decreases by about 3.2%, resulting in better cache utilization and fewer instructions executed, resulting in a broad kernel-wide speedup. Average speedup of system calls should be roughly in the 1-3% range - measurements by Mel Gorman [1] have shown a speedup of 5-10% for some function execution intense workloads. The main cost of the unwinder is that the unwinder data has to be stored in RAM: the memory cost is 2-4MB of RAM, depending on kernel config - which is a modest cost on modern x86 systems. Given how young the ORC unwinder code is it's not enabled by default - but given the performance advantages the plan is to eventually make it the default unwinder on x86. See Documentation/x86/orc-unwinder.txt for more details. - Remove lguest support: its intended role was that of a temporary proof of concept for virtualization, plus its removal will enable the reduction (removal) of the paravirt API as well, so Rusty agreed to its removal. (Juergen Gross) - Clean up and fix FSGS related functionality (Andy Lutomirski) - Clean up IO access APIs (Andy Shevchenko) - Enhance the symbol namespace (Jiri Slaby) * 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (47 commits) objtool: Handle GCC stack pointer adjustment bug x86/entry/64: Use ENTRY() instead of ALIGN+GLOBAL for stub32_clone() x86/fpu/math-emu: Add ENDPROC to functions x86/boot/64: Extract efi_pe_entry() from startup_64() x86/boot/32: Extract efi_pe_entry() from startup_32() x86/lguest: Remove lguest support x86/paravirt/xen: Remove xen_patch() objtool: Fix objtool fallthrough detection with function padding x86/xen/64: Fix the reported SS and CS in SYSCALL objtool: Track DRAP separately from callee-saved registers objtool: Fix validate_branch() return codes x86: Clarify/fix no-op barriers for text_poke_bp() x86/switch_to/64: Rewrite FS/GS switching yet again to fix AMD CPUs selftests/x86/fsgsbase: Test selectors 1, 2, and 3 x86/fsgsbase/64: Report FSBASE and GSBASE correctly in core dumps x86/fsgsbase/64: Fully initialize FS and GS state in start_thread_common x86/asm: Fix UNWIND_HINT_REGS macro for older binutils x86/asm/32: Fix regs_get_register() on segment registers x86/xen/64: Rearrange the SYSCALL entries x86/asm/32: Remove a bunch of '& 0xffff' from pt_regs segment reads ... |