e2e524adc6
328 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Mukesh Ojha
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01f2392e13 |
ANDROID: logbuf: Add new logbuf vendor hook to support pr_cont()
Add new logbuf vendor hook android_vh_logbuf_pr_cont() to capture pr_cont logs. Bug: 185182649 Change-Id: I76b310fc9caac71b344b6cc25ea36f7f81cb7148 Signed-off-by: Mukesh Ojha <mojha@codeaurora.org> |
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Mukesh Ojha
|
34fde61f72 |
ANDROID: logbuf: vendor hook for logbuf dump on oops
Initial kernel bootup logs get overwritten after running for a long time, and there can be debugging scenario where we need initial ~100s bootup logs for debugging. 'android_vh_initial_logbuf' vendor hook is helping in achieving this purpose. Bug: 185182649 Change-Id: I706824aeb566c09ecaf4b5900973d6cee8a2f35b Signed-off-by: Mukesh Ojha <mojha@codeaurora.org> |
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Greg Kroah-Hartman
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d8c7f0a3cd |
Merge 5.10.20 into android12-5.10
Changes in 5.10.20 vmlinux.lds.h: add DWARF v5 sections vdpa/mlx5: fix param validation in mlx5_vdpa_get_config() debugfs: be more robust at handling improper input in debugfs_lookup() debugfs: do not attempt to create a new file before the filesystem is initalized scsi: libsas: docs: Remove notify_ha_event() scsi: qla2xxx: Fix mailbox Ch erroneous error kdb: Make memory allocations more robust w1: w1_therm: Fix conversion result for negative temperatures PCI: qcom: Use PHY_REFCLK_USE_PAD only for ipq8064 PCI: Decline to resize resources if boot config must be preserved virt: vbox: Do not use wait_event_interruptible when called from kernel context 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 vmlinux.lds.h: Define SANTIZER_DISCARDS with CONFIG_GCOV_KERNEL=y random: fix the RNDRESEEDCRNG ioctl ALSA: pcm: Call sync_stop at disconnection ALSA: pcm: Assure sync with the pending stop operation at suspend ALSA: pcm: Don't call sync_stop if it hasn't been stopped drm/i915/gt: One more flush for Baytrail clear residuals 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: hci_uart: Fix a race for write_work scheduling Bluetooth: Fix initializing response id after clearing struct arm64: dts: renesas: beacon kit: Fix choppy Bluetooth Audio arm64: dts: renesas: beacon: Fix audio-1.8V pin enable 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 memory: mtk-smi: Fix PM usage counter unbalance in mtk_smi ops Bluetooth: hci_qca: Fix memleak in qca_controller_memdump staging: vchiq: Fix bulk userdata handling staging: vchiq: Fix bulk transfers on 64-bit builds arm64: dts: qcom: msm8916-samsung-a5u: Fix iris compatible net: stmmac: dwmac-meson8b: fix enabling the timing-adjustment clock bpf: Add bpf_patch_call_args prototype to include/linux/bpf.h bpf: Avoid warning when re-casting __bpf_call_base into __bpf_call_base_args firmware: arm_scmi: Fix call site of scmi_notification_exit arm64: dts: allwinner: A64: properly connect USB PHY to port 0 arm64: dts: allwinner: H6: properly connect USB PHY to port 0 arm64: dts: allwinner: Drop non-removable from SoPine/LTS SD card arm64: dts: allwinner: H6: Allow up to 150 MHz MMC bus frequency arm64: dts: allwinner: A64: Limit MMC2 bus frequency to 150 MHz arm64: dts: qcom: msm8916-samsung-a2015: Fix sensors cpufreq: brcmstb-avs-cpufreq: Free resources in error path cpufreq: brcmstb-avs-cpufreq: Fix resource leaks in ->remove() arm64: dts: rockchip: rk3328: Add clock_in_out property to gmac2phy node ACPICA: Fix exception code class checks usb: gadget: u_audio: Free requests only after callback arm64: dts: qcom: sdm845-db845c: Fix reset-pin of ov8856 node soc: qcom: socinfo: Fix an off by one in qcom_show_pmic_model() soc: ti: pm33xx: Fix some resource leak in the error handling paths of the probe function staging: media: atomisp: Fix size_t format specifier in hmm_alloc() debug statemenet 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 x86/MSR: Filter MSR writes through X86_IOC_WRMSR_REGS ioctl too arm64: dts: renesas: beacon: Fix EEPROM compatible value can: mcp251xfd: mcp251xfd_probe(): fix errata reference ARM: dts: armada388-helios4: assign pinctrl to LEDs ARM: dts: armada388-helios4: assign pinctrl to each fan arm64: dts: armada-3720-turris-mox: rename u-boot mtd partition to a53-firmware opp: Correct debug message in _opp_add_static_v2() Bluetooth: btusb: Fix memory leak in btusb_mtk_wmt_recv soc: qcom: ocmem: don't return NULL in of_get_ocmem arm64: dts: msm8916: Fix reserved and rfsa nodes unit address arm64: dts: meson: fix broken wifi node for Khadas VIM3L iwlwifi: mvm: set enabled in the PPAG command properly ARM: s3c: fix fiq for clang IAS optee: simplify i2c access staging: wfx: fix possible panic with re-queued frames ARM: at91: use proper asm syntax in pm_suspend ath10k: Fix suspicious RCU usage warning in ath10k_wmi_tlv_parse_peer_stats_info() ath10k: Fix lockdep assertion warning in ath10k_sta_statistics ath11k: fix a locking bug in ath11k_mac_op_start() soc: aspeed: snoop: Add clock control logic iwlwifi: mvm: fix the type we use in the PPAG table validity checks iwlwifi: mvm: store PPAG enabled/disabled flag properly iwlwifi: mvm: send stored PPAG command instead of local iwlwifi: mvm: assign SAR table revision to the command later iwlwifi: mvm: don't check if CSA event is running before removing bpf_lru_list: Read double-checked variable once without lock iwlwifi: pnvm: set the PNVM again if it was already loaded iwlwifi: pnvm: increment the pointer before checking the TLV ath9k: fix data bus crash when setting nf_override via debugfs selftests/bpf: Convert test_xdp_redirect.sh to bash ibmvnic: Set to CLOSED state even on error bnxt_en: reverse order of TX disable and carrier off bnxt_en: Fix devlink info's stored fw.psid version format. xen/netback: fix spurious event detection for common event case dpaa2-eth: fix memory leak in XDP_REDIRECT net: phy: consider that suspend2ram may cut off PHY power net/mlx5e: Don't change interrupt moderation params when DIM is enabled net/mlx5e: Change interrupt moderation channel params also when channels are closed net/mlx5: Fix health error state handling net/mlx5e: Replace synchronize_rcu with synchronize_net net/mlx5e: kTLS, Use refcounts to free kTLS RX priv context net/mlx5: Disable devlink reload for multi port slave device net/mlx5: Disallow RoCE on multi port slave device net/mlx5: Disallow RoCE on lag device net/mlx5: Disable devlink reload for lag devices net/mlx5e: CT: manage the lifetime of the ct entry object net/mlx5e: Check tunnel offload is required before setting SWP mac80211: fix potential overflow when multiplying to u32 integers libbpf: Ignore non function pointer member in struct_ops bpf: Fix an unitialized value in bpf_iter bpf, devmap: Use GFP_KERNEL for xdp bulk queue allocation bpf: Fix bpf_fib_lookup helper MTU check for SKB ctx selftests: mptcp: fix ACKRX debug message tcp: fix SO_RCVLOWAT related hangs under mem pressure net: axienet: Handle deferred probe on clock properly 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 bpf: Clear subreg_def for global function return values ibmvnic: add memory barrier to protect long term buffer ibmvnic: skip send_request_unmap for timeout reset net: dsa: felix: perform teardown in reverse order of setup net: dsa: felix: don't deinitialize unused ports net: phy: mscc: adding LCPLL reset to VSC8514 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 net: enetc: fix destroyed phylink dereference during unbind tty: convert tty_ldisc_ops 'read()' function to take a kernel pointer tty: implement read_iter fbdev: aty: SPARC64 requires FB_ATY_CT drm/gma500: Fix error return code in psb_driver_load() gma500: clean up error handling in init drm/fb-helper: Add missed unlocks in setcmap_legacy() drm/panel: mantix: Tweak init sequence drm/vc4: hdmi: Take into account the clock doubling flag in atomic_check crypto: sun4i-ss - linearize buffers content must be kept crypto: sun4i-ss - fix kmap usage crypto: arm64/aes-ce - really hide slower algos when faster ones are enabled hwrng: ingenic - Fix a resource leak in an error handling path media: allegro: Fix use after free on error kcsan: Rewrite kcsan_prandom_u32_max() without prandom_u32_state() drm: rcar-du: Fix PM reference leak in rcar_cmm_enable() drm: rcar-du: Fix crash when using LVDS1 clock for CRTC drm: rcar-du: Fix the return check of of_parse_phandle and of_find_device_by_node 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 drm/virtio: make sure context is created in gem open drm/fourcc: fix Amlogic format modifier masks media: ipu3-cio2: Build only for x86 media: i2c: ov5670: Fix PIXEL_RATE minimum value media: imx: Unregister csc/scaler only if registered media: imx: Fix csc/scaler unregister media: mtk-vcodec: fix error return code in vdec_vp9_decode() 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 media: aspeed: fix error return code in aspeed_video_setup_video() ASoC: cs42l56: fix up error handling in probe ASoC: qcom: qdsp6: Move frontend AIFs to q6asm-dai evm: Fix memleak in init_desc crypto: bcm - Rename struct device_private to bcm_device_private sched/fair: Avoid stale CPU util_est value for schedutil in task dequeue drm/sun4i: tcon: fix inverted DCLK polarity media: imx7: csi: Fix regression for parallel cameras on i.MX6UL media: imx7: csi: Fix pad link validation media: ti-vpe: cal: fix write to unallocated memory MIPS: properly stop .eh_frame generation MIPS: Compare __SYNC_loongson3_war against 0 drm/tegra: Fix reference leak when pm_runtime_get_sync() fails drm/amdgpu: toggle on DF Cstate after finishing xgmi injection bsg: free the request before return error code macintosh/adb-iop: Use big-endian autopoll mask drm/amd/display: Fix 10/12 bpc setup in DCE output bit depth reduction. drm/amd/display: Fix HDMI deep color output for DCE 6-11. media: software_node: Fix refcounts in software_node_get_next_child() media: lmedm04: Fix misuse of comma media: vidtv: psi: fix missing crc for PMT media: atomisp: Fix a buffer overflow in debug code media: qm1d1c0042: fix error return code in qm1d1c0042_init() media: cx25821: Fix a bug when reallocating some dma memory media: mtk-vcodec: fix argument used when DEBUG is defined media: pxa_camera: declare variable when DEBUG is defined media: uvcvideo: Accept invalid bFormatIndex and bFrameIndex values sched/eas: Don't update misfit status if the task is pinned f2fs: compress: fix potential deadlock ASoC: qcom: lpass-cpu: Remove bit clock state check ASoC: SOF: Intel: hda: cancel D0i3 work during runtime suspend perf/arm-cmn: Fix PMU instance naming perf/arm-cmn: Move IRQs when migrating context mtd: parser: imagetag: fix error codes in bcm963xx_parse_imagetag_partitions() crypto: talitos - Work around SEC6 ERRATA (AES-CTR mode data size error) crypto: talitos - Fix ctr(aes) on SEC1 drm/nouveau: bail out of nouveau_channel_new if channel init fails mm: proc: Invalidate TLB after clearing soft-dirty page state ata: ahci_brcm: Add back regulators management ASoC: cpcap: fix microphone timeslot mask ASoC: codecs: add missing max_register in regmap config mtd: parsers: afs: Fix freeing the part name memory in failure f2fs: fix to avoid inconsistent quota data drm/amdgpu: Prevent shift wrapping in amdgpu_read_mask() f2fs: fix a wrong condition in __submit_bio ASoC: qcom: Fix typo error in HDMI regmap config callbacks KVM: nSVM: Don't strip host's C-bit from guest's CR3 when reading PDPTRs drm/mediatek: Check if fb is null Drivers: hv: vmbus: Avoid use-after-free in vmbus_onoffer_rescind() ASoC: Intel: sof_sdw: add missing TGL_HDMI quirk for Dell SKU 0A5E ASoC: Intel: sof_sdw: add missing TGL_HDMI quirk for Dell SKU 0A3E locking/lockdep: Avoid unmatched unlock ASoC: qcom: lpass: Fix i2s ctl register bit map ASoC: rt5682: Fix panic in rt5682_jack_detect_handler happening during system shutdown ASoC: SOF: debug: Fix a potential issue on string buffer termination btrfs: clarify error returns values in __load_free_space_cache btrfs: fix double accounting of ordered extent for subpage case in btrfs_invalidapge KVM: x86: Restore all 64 bits of DR6 and DR7 during RSM on x86-64 s390/zcrypt: return EIO when msg retry limit reached drm/vc4: hdmi: Move hdmi reset to bind drm/vc4: hdmi: Fix register offset with longer CEC messages drm/vc4: hdmi: Fix up CEC registers drm/vc4: hdmi: Restore cec physical address on reconnect drm/vc4: hdmi: Compute the CEC clock divider from the clock rate drm/vc4: hdmi: Update the CEC clock divider on HSM rate change drm/lima: fix reference leak in lima_pm_busy drm/dp_mst: Don't cache EDIDs for physical ports hwrng: timeriomem - Fix cooldown period calculation crypto: ecdh_helper - Ensure 'len >= secret.len' in decode_key() io_uring: fix possible deadlock in io_uring_poll nvmet-tcp: fix receive data digest calculation for multiple h2cdata PDUs nvmet-tcp: fix potential race of tcp socket closing accept_work nvme-multipath: set nr_zones for zoned namespaces nvmet: remove extra variable in identify ns nvmet: set status to 0 in case for invalid nsid ASoC: SOF: sof-pci-dev: add missing Up-Extreme quirk ima: Free IMA measurement buffer on error ima: Free IMA measurement buffer after kexec syscall ASoC: simple-card-utils: Fix device module clock fs/jfs: fix potential integer overflow on shift of a int jffs2: fix use after free in jffs2_sum_write_data() ubifs: Fix memleak in ubifs_init_authentication ubifs: replay: Fix high stack usage, again ubifs: Fix error return code in alloc_wbufs() irqchip/imx: IMX_INTMUX should not default to y, unconditionally smp: Process pending softirqs in flush_smp_call_function_from_idle() drm/amdgpu/display: remove hdcp_srm sysfs on device removal capabilities: Don't allow writing ambiguous v3 file capabilities HSI: Fix PM usage counter unbalance in ssi_hw_init power: supply: cpcap: Add missing IRQF_ONESHOT to fix regression clk: meson: clk-pll: fix initializing the old rate (fallback) for a PLL clk: meson: clk-pll: make "ret" a signed integer clk: meson: clk-pll: propagate the error from meson_clk_pll_set_rate() selftests/powerpc: Make the test check in eeh-basic.sh posix compliant regulator: qcom-rpmh-regulator: add pm8009-1 chip revision arm64: dts: qcom: qrb5165-rb5: fix pm8009 regulators quota: Fix memory leak when handling corrupted quota file i2c: iproc: handle only slave interrupts which are enabled i2c: iproc: update slave isr mask (ISR_MASK_SLAVE) i2c: iproc: handle master read request spi: cadence-quadspi: Abort read if dummy cycles required are too many clk: sunxi-ng: h6: Fix CEC clock clk: renesas: r8a779a0: Remove non-existent S2 clock clk: renesas: r8a779a0: Fix parent of CBFUSA clock HID: core: detect and skip invalid inputs to snto32() RDMA/siw: Fix handling of zero-sized Read and Receive Queues. 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() power: supply: cpcap-charger: Fix missing power_supply_put() power: supply: cpcap-battery: Fix missing power_supply_put() power: supply: cpcap-charger: Fix power_supply_put on null battery pointer fdt: Properly handle "no-map" field in the memory region of/fdt: Make sure no-map does not remove already reserved regions RDMA/rtrs: Extend ibtrs_cq_qp_create RDMA/rtrs-srv: Release lock before call into close_sess RDMA/rtrs-srv: Use sysfs_remove_file_self for disconnect RDMA/rtrs-clt: Set mininum limit when create QP RDMA/rtrs: Call kobject_put in the failure path RDMA/rtrs-srv: Fix missing wr_cqe RDMA/rtrs-clt: Refactor the failure cases in alloc_clt RDMA/rtrs-srv: Init wr_cnt as 1 power: reset: at91-sama5d2_shdwc: fix wkupdbc mask rtc: s5m: select REGMAP_I2C dmaengine: idxd: set DMA channel to be private power: supply: fix sbs-charger build, needs REGMAP_I2C clocksource/drivers/ixp4xx: Select TIMER_OF when needed clocksource/drivers/mxs_timer: Add missing semicolon when DEBUG is defined spi: imx: Don't print error on -EPROBEDEFER RDMA/mlx5: Use the correct obj_id upon DEVX TIR creation IB/mlx5: Add mutex destroy call to cap_mask_mutex mutex clk: sunxi-ng: h6: Fix clock divider range on some clocks platform/chrome: cros_ec_proto: Use EC_HOST_EVENT_MASK not BIT platform/chrome: cros_ec_proto: Add LID and BATTERY to default mask regulator: axp20x: Fix reference cout leak watch_queue: Drop references to /dev/watch_queue certs: Fix blacklist flag type confusion regulator: s5m8767: Fix reference count leak spi: atmel: Put allocated master before return regulator: s5m8767: Drop regulators OF node reference power: supply: axp20x_usb_power: Init work before enabling IRQs power: supply: smb347-charger: Fix interrupt usage if interrupt is unavailable regulator: core: Avoid debugfs: Directory ... already present! error isofs: release buffer head before return watchdog: intel-mid_wdt: Postpone IRQ handler registration till SCU is ready auxdisplay: ht16k33: Fix refresh rate handling objtool: Fix error handling for STD/CLD warnings objtool: Fix retpoline detection in asm code objtool: Fix ".cold" section suffix check for newer versions of GCC scsi: lpfc: Fix ancient double free iommu: Switch gather->end to the inclusive end 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 powerpc/time: Enable sched clock for irqtime mmc: owl-mmc: Fix a resource leak in an error handling path and in the remove function mmc: sdhci-sprd: Fix some resource leaks in the remove function 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 i2c: qcom-geni: Store DMA mapping data in geni_i2c_dev struct amba: Fix resource leak for drivers without .remove iommu: Move iotlb_sync_map out from __iommu_map iommu: Properly pass gfp_t in _iommu_map() to avoid atomic sleeping IB/mlx5: Return appropriate error code instead of ENOMEM IB/cm: Avoid a loop when device has 255 ports tracepoint: Do not fail unregistering a probe due to memory failure rtc: zynqmp: depend on HAS_IOMEM perf tools: Fix DSO filtering when not finding a map for a sampled address perf vendor events arm64: Fix Ampere eMag event typo RDMA/rxe: Fix coding error in rxe_recv.c RDMA/rxe: Fix coding error in rxe_rcv_mcast_pkt RDMA/rxe: Correct skb on loopback path spi: stm32: properly handle 0 byte transfer mfd: altera-sysmgr: Fix physical address storing more 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 kunit: tool: fix unit test cleanup handling kselftests: dmabuf-heaps: Fix Makefile's inclusion of the kernel's usr/include dir RDMA/hns: Fixed wrong judgments in the goto branch RDMA/siw: Fix calculation of tx_valid_cpus size RDMA/hns: Fix type of sq_signal_bits RDMA/hns: Disable RQ inline by default clk: divider: fix initialization with parent_hw spi: pxa2xx: Fix the controller numbering for Wildcat Point powerpc/uaccess: Avoid might_fault() when user access is enabled powerpc/kuap: Restore AMR after replaying soft interrupts regulator: qcom-rpmh: fix pm8009 ldo7 clk: aspeed: Fix APLL calculate formula from ast2600-A2 selftests/ftrace: Update synthetic event syntax errors perf symbols: Use (long) for iterator for bfd symbols regulator: bd718x7, bd71828, Fix dvs voltage levels spi: dw: Avoid stack content exposure spi: Skip zero-length transfers in spi_transfer_one_message() printk: avoid prb_first_valid_seq() where possible perf symbols: Fix return value when loading PE DSO nfsd: register pernet ops last, unregister first svcrdma: Hold private mutex while invoking rdma_accept() ceph: fix flush_snap logic after putting caps RDMA/hns: Fixes missing error code of CMDQ RDMA/ucma: Fix use-after-free bug in ucma_create_uevent RDMA/rtrs-srv: Fix stack-out-of-bounds RDMA/rtrs: Only allow addition of path to an already established session RDMA/rtrs-srv: fix memory leak by missing kobject free RDMA/rtrs-srv-sysfs: fix missing put_device RDMA/rtrs-srv: Do not pass a valid pointer to PTR_ERR() Input: sur40 - fix an error code in sur40_probe() perf record: Fix continue profiling after draining the buffer perf intel-pt: Fix missing CYC processing in PSB perf intel-pt: Fix premature IPC perf intel-pt: Fix IPC with CYC threshold 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 sparc: fix led.c driver when PROC_FS is not enabled Input: zinitix - fix return type of zinitix_init_touch() ARM: 9065/1: OABI compat: fix build when EPOLL is not enabled misc: eeprom_93xx46: Fix module alias to enable module autoprobe phy: rockchip-emmc: emmc_phy_init() always return 0 phy: cadence-torrent: Fix error code in cdns_torrent_phy_probe() misc: eeprom_93xx46: Add module alias to avoid breaking support for non device tree users PCI: rcar: Always allocate MSI addresses in 32bit space soundwire: cadence: fix ACK/NAK handling pwm: rockchip: Enable APB clock during register access while probing pwm: rockchip: rockchip_pwm_probe(): Remove superfluous clk_unprepare() pwm: rockchip: Eliminate potential race condition when probing PCI: xilinx-cpm: Fix reference count leak on error path VMCI: Use set_page_dirty_lock() when unregistering guest memory PCI: Align checking of syscall user config accessors mei: hbm: call mei_set_devstate() on hbm stop response drm/msm: Fix MSM_INFO_GET_IOVA with carveout drm/msm/dsi: Correct io_start for MSM8994 (20nm PHY) drm/msm/mdp5: Fix wait-for-commit for cmd panels drm/msm: Fix race of GPU init vs timestamp power management. drm/msm: Fix races managing the OOB state for timestamp vs timestamps. drm/msm/dp: trigger unplug event in msm_dp_display_disable vfio/iommu_type1: Populate full dirty when detach non-pinned group vfio/iommu_type1: Fix some sanity checks in detach group vfio-pci/zdev: fix possible segmentation fault issue ext4: fix potential htree index checksum corruption phy: USB_LGM_PHY should depend on X86 coresight: etm4x: Skip accessing TRCPDCR in save/restore nvmem: core: Fix a resource leak on error in nvmem_add_cells_from_of() nvmem: core: skip child nodes not matching binding soundwire: bus: use sdw_update_no_pm when initializing a device soundwire: bus: use sdw_write_no_pm when setting the bus scale registers soundwire: export sdw_write/read_no_pm functions soundwire: bus: fix confusion on device used by pm_runtime misc: fastrpc: fix incorrect usage of dma_map_sgtable remoteproc/mediatek: acknowledge watchdog IRQ after handled regmap: sdw: use _no_pm functions in regmap_read/write ext: EXT4_KUNIT_TESTS should depend on EXT4_FS instead of selecting it mailbox: sprd: correct definition of SPRD_OUTBOX_FIFO_FULL device-dax: Fix default return code of range_parse() PCI: pci-bridge-emul: Fix array overruns, improve safety PCI: cadence: Fix DMA range mapping early return error 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 addition of RX filters after enabling FW LLDP agent i40e: Fix VFs not created Take mmap lock in cacheflush syscall nios2: fixed broken sys_clone syscall i40e: Fix add TC filter for IPv6 octeontx2-af: Fix an off by one in rvu_dbg_qsize_write() pwm: iqs620a: Fix overflow and optimize calculations vfio/type1: Use follow_pte() ice: report correct max number of TCs ice: Account for port VLAN in VF max packet size calculation ice: Fix state bits on LLDP mode switch ice: update the number of available RSS queues net: stmmac: fix CBS idleslope and sendslope calculation net/mlx4_core: Add missed mlx4_free_cmd_mailbox() PCI: rockchip: Make 'ep-gpios' DT property optional vxlan: move debug check after netdev unregister wireguard: device: do not generate ICMP for non-IP packets wireguard: kconfig: use arm chacha even with no neon ocfs2: fix a use after free on error mm: memcontrol: fix NR_ANON_THPS accounting in charge moving mm: memcontrol: fix slub memory accounting mm/memory.c: fix potential pte_unmap_unlock pte error mm/hugetlb: fix potential double free in hugetlb_register_node() error path mm/hugetlb: suppress wrong warning info when alloc gigantic page mm/compaction: fix misbehaviors of fast_find_migrateblock() r8169: fix jumbo packet handling on RTL8168e NFSv4: Fixes for nfs4_bitmask_adjust() KVM: SVM: Intercept INVPCID when it's disabled to inject #UD KVM: x86/mmu: Expand collapsible SPTE zap for TDP MMU to ZONE_DEVICE and HugeTLB pages arm64: Add missing ISB after invalidating TLB in __primary_switch i2c: brcmstb: Fix brcmstd_send_i2c_cmd condition i2c: exynos5: Preserve high speed master code mm,thp,shmem: make khugepaged obey tmpfs mount flags mm: fix memory_failure() handling of dax-namespace metadata mm/rmap: fix potential pte_unmap on an not mapped pte proc: use kvzalloc for our kernel buffer csky: Fix a size determination in gpr_get() scsi: bnx2fc: Fix Kconfig warning & CNIC build errors scsi: sd: sd_zbc: Don't pass GFP_NOIO to kvcalloc block: reopen the device in blkdev_reread_part ide/falconide: Fix module unload scsi: sd: Fix Opal support blk-settings: align max_sectors on "logical_block_size" boundary soundwire: intel: fix possible crash when no device is detected ACPI: property: Fix fwnode string properties matching ACPI: configfs: add missing check after configfs_register_default_group() cpufreq: ACPI: Set cpuinfo.max_freq directly if max boost is known HID: logitech-dj: add support for keyboard events in eQUAD step 4 Gaming 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 media: mceusb: Fix potential out-of-bounds shift 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: pl2303: fix line-speed handling on newer chips USB: serial: mos7840: fix error code in mos7840_write() USB: serial: mos7720: fix error code in mos7720_write() phy: lantiq: rcu-usb2: wait after clock enable ALSA: fireface: fix to parse sync status register of latter protocol ALSA: hda: Add another CometLake-H PCI ID ALSA: hda/hdmi: Drop bogus check at closing a stream ALSA: hda/realtek: modify EAPD in the ALC886 ALSA: hda/realtek: Quirk for HP Spectre x360 14 amp setup MIPS: Ingenic: Disable HPTLB for D0 XBurst CPUs too MIPS: Support binutils configured with --enable-mips-fix-loongson3-llsc=yes MIPS: VDSO: Use CLANG_FLAGS instead of filtering out '--target=' Revert "MIPS: Octeon: Remove special handling of CONFIG_MIPS_ELF_APPENDED_DTB=y" Revert "bcache: Kill btree_io_wq" bcache: Give btree_io_wq correct semantics again bcache: Move journal work to new flush wq Revert "drm/amd/display: Update NV1x SR latency values" drm/amd/display: Add FPU wrappers to dcn21_validate_bandwidth() drm/amd/display: Remove Assert from dcn10_get_dig_frontend drm/amd/display: Add vupdate_no_lock interrupts for DCN2.1 drm/amdkfd: Fix recursive lock warnings drm/amdgpu: Set reference clock to 100Mhz on Renoir (v2) drm/nouveau/kms: handle mDP connectors drm/modes: Switch to 64bit maths to avoid integer overflow drm/sched: Cancel and flush all outstanding jobs before finish. drm/panel: kd35t133: allow using non-continuous dsi clock drm/rockchip: Require the YTR modifier for AFBC ASoC: siu: Fix build error by a wrong const prefix selinux: fix inconsistency between inode_getxattr and inode_listsecurity erofs: initialized fields can only be observed after bit is set tpm_tis: Fix check_locality for correct locality acquisition tpm_tis: Clean up locality release KEYS: trusted: Fix incorrect handling of tpm_get_random() KEYS: trusted: Fix migratable=1 failing KEYS: trusted: Reserve TPM for seal and unseal operations btrfs: do not cleanup upper nodes in btrfs_backref_cleanup_node btrfs: do not warn if we can't find the reloc root when looking up backref btrfs: add asserts for deleting backref cache nodes 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: splice remaining dirty_bg's onto the transaction dirty bg list btrfs: handle space_info::total_bytes_pinned inside the delayed ref itself btrfs: account for new extents being deleted in total_bytes_pinned btrfs: fix extent buffer leak on failure to copy root drm/i915/gt: Flush before changing register state drm/i915/gt: Correct surface base address for renderclear crypto: arm64/sha - add missing module aliases crypto: aesni - prevent misaligned buffers on the stack crypto: michael_mic - fix broken misalignment handling crypto: sun4i-ss - checking sg length is not sufficient crypto: sun4i-ss - IV register does not work on A10 and A13 crypto: sun4i-ss - handle BigEndian for cipher crypto: sun4i-ss - initialize need_fallback soc: samsung: exynos-asv: don't defer early on not-supported SoCs soc: samsung: exynos-asv: handle reading revision register error seccomp: Add missing return in non-void function arm64: ptrace: Fix seccomp of traced syscall -1 (NO_SYSCALL) 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 arm64: dts: agilex: fix phy interface bit shift for gmac1 and gmac2 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 floppy: reintroduce O_NDELAY fix media: i2c: max9286: fix access to unallocated memory media: ir_toy: add another IR Droid device media: ipu3-cio2: Fix mbus_code processing in cio2_subdev_set_fmt() media: marvell-ccic: power up the device on mclk enable media: smipcie: fix interrupt handling and IR timeout x86/virt: Eat faults on VMXOFF in reboot flows x86/reboot: Force all cpus to exit VMX root if VMX is supported x86/fault: Fix AMD erratum #91 errata fixup for user code x86/entry: Fix instrumentation annotation powerpc/prom: Fix "ibm,arch-vec-5-platform-support" scan rcu: Pull deferred rcuog wake up to rcu_eqs_enter() callers rcu/nocb: Perform deferred wake up before last idle's need_resched() check kprobes: Fix to delay the kprobes jump optimization arm64: Extend workaround for erratum 1024718 to all versions of Cortex-A55 iommu/arm-smmu-qcom: Fix mask extraction for bootloader programmed SMRs arm64: kexec_file: fix memory leakage in create_dtb() when fdt_open_into() fails arm64: uprobe: Return EOPNOTSUPP for AARCH32 instruction probing arm64 module: set plt* section addresses to 0x0 arm64: spectre: Prevent lockdep splat on v4 mitigation enable path riscv: Disable KSAN_SANITIZE for vDSO watchdog: qcom: Remove incorrect usage of QCOM_WDT_ENABLE_IRQ watchdog: mei_wdt: request stop on unregister coresight: etm4x: Handle accesses to TRCSTALLCTLR mtd: spi-nor: sfdp: Fix last erase region marking mtd: spi-nor: sfdp: Fix wrong erase type bitmask for overlaid region mtd: spi-nor: core: Fix erase type discovery for overlaid region mtd: spi-nor: core: Add erase size check for erase command initialization 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 mm: memcontrol: fix swap undercounting in cgroup2 mm: memcontrol: fix get_active_memcg return value hugetlb: fix update_and_free_page contig page struct assumption hugetlb: fix copy_huge_page_from_user contig page struct assumption mm/vmscan: restore zone_reclaim_mode ABI mm, compaction: make fast_isolate_freepages() stay within zone KVM: nSVM: fix running nested guests when npt=0 nvmem: qcom-spmi-sdam: Fix uninitialized pdev pointer module: Ignore _GLOBAL_OFFSET_TABLE_ when warning for undefined symbols mmc: sdhci-esdhc-imx: fix kernel panic when remove module mmc: sdhci-pci-o2micro: Bug fix for SDR104 HW tuning failure powerpc/32: Preserve cr1 in exception prolog stack check to fix build error powerpc/kexec_file: fix FDT size estimation for kdump kernel powerpc/32s: Add missing call to kuep_lock on syscall entry spmi: spmi-pmic-arb: Fix hw_irq overflow mei: fix transfer over dma with extended header mei: me: emmitsburg workstation DID mei: me: add adler lake point S DID mei: me: add adler lake point LP DID gpio: pcf857x: Fix missing first interrupt mfd: gateworks-gsc: Fix interrupt type printk: fix deadlock when kernel panic exfat: fix shift-out-of-bounds in exfat_fill_super() zonefs: Fix file size of zones in full condition kcmp: Support selection of SYS_kcmp without CHECKPOINT_RESTORE thermal: cpufreq_cooling: freq_qos_update_request() returns < 0 on error cpufreq: qcom-hw: drop devm_xxx() calls from init/exit hooks cpufreq: intel_pstate: Change intel_pstate_get_hwp_max() argument cpufreq: intel_pstate: Get per-CPU max freq via MSR_HWP_CAPABILITIES if available proc: don't allow async path resolution of /proc/thread-self components s390/vtime: fix inline assembly clobber list virtio/s390: implement virtio-ccw revision 2 correctly um: mm: check more comprehensively for stub changes um: defer killing userspace on page table update failures irqchip/loongson-pch-msi: Use bitmap_zalloc() to allocate bitmap f2fs: fix out-of-repair __setattr_copy() f2fs: enforce the immutable flag on open files f2fs: flush data when enabling checkpoint back sparc32: fix a user-triggerable oops in clear_user() spi: fsl: invert spisel_boot signal on MPC8309 spi: spi-synquacer: fix set_cs handling gfs2: fix glock confusion in function signal_our_withdraw gfs2: Don't skip dlm unlock if glock has an lvb gfs2: Lock imbalance on error path in gfs2_recover_one gfs2: Recursive gfs2_quota_hold in gfs2_iomap_end dm: fix deadlock when swapping to encrypted device dm table: fix iterate_devices based device capability checks dm table: fix DAX iterate_devices based device capability checks dm table: fix zoned iterate_devices based device capability checks dm writecache: fix performance degradation in ssd mode dm writecache: return the exact table values that were set dm writecache: fix writing beyond end of underlying device when shrinking dm era: Recover committed writeset after crash dm era: Update in-core bitset after committing the metadata 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 drm/i915: Reject 446-480MHz HDMI clock on GLK kgdb: fix to kill breakpoints on initmem after boot ipv6: silence compilation warning for non-IPV6 builds net: icmp: pass zeroed opts from icmp{,v6}_ndo_send before sending wireguard: selftests: test multiple parallel streams wireguard: queueing: get rid of per-peer ring buffers net: sched: fix police ext initialization net: qrtr: Fix memory leak in qrtr_tun_open net_sched: fix RTNL deadlock again caused by request_module() ARM: dts: aspeed: Add LCLK to lpc-snoop Linux 5.10.20 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> Change-Id: I3fbcecd9413ce212dac68d5cc800c9457feba56a |
||
Muchun Song
|
eb9036b4cf |
printk: fix deadlock when kernel panic
commit 8a8109f303e25a27f92c1d8edd67d7cbbc60a4eb upstream.
printk_safe_flush_on_panic() caused the following deadlock on our
server:
CPU0: CPU1:
panic rcu_dump_cpu_stacks
kdump_nmi_shootdown_cpus nmi_trigger_cpumask_backtrace
register_nmi_handler(crash_nmi_callback) printk_safe_flush
__printk_safe_flush
raw_spin_lock_irqsave(&read_lock)
// send NMI to other processors
apic_send_IPI_allbutself(NMI_VECTOR)
// NMI interrupt, dead loop
crash_nmi_callback
printk_safe_flush_on_panic
printk_safe_flush
__printk_safe_flush
// deadlock
raw_spin_lock_irqsave(&read_lock)
DEADLOCK: read_lock is taken on CPU1 and will never get released.
It happens when panic() stops a CPU by NMI while it has been in
the middle of printk_safe_flush().
Handle the lock the same way as logbuf_lock. The printk_safe buffers
are flushed only when both locks can be safely taken. It can avoid
the deadlock _in this particular case_ at expense of losing contents
of printk_safe buffers.
Note: It would actually be safe to re-init the locks when all CPUs were
stopped by NMI. But it would require passing this information
from arch-specific code. It is not worth the complexity.
Especially because logbuf_lock and printk_safe buffers have been
obsoleted by the lockless ring buffer.
Fixes:
|
||
John Ogness
|
2de70d744e |
printk: avoid prb_first_valid_seq() where possible
[ Upstream commit 13791c80b0cdf54d92fc54221cdf490683b109de ]
If message sizes average larger than expected (more than 32
characters), the data_ring will wrap before the desc_ring. Once the
data_ring wraps, it will start invalidating descriptors. These
invalid descriptors hang around until they are eventually recycled
when the desc_ring wraps. Readers do not care about invalid
descriptors, but they still need to iterate past them. If the
average message size is much larger than 32 characters, then there
will be many invalid descriptors preceding the valid descriptors.
The function prb_first_valid_seq() always begins at the oldest
descriptor and searches for the first valid descriptor. This can
be rather expensive for the above scenario. And, in fact, because
of its heavy usage in /dev/kmsg, there have been reports of long
delays and even RCU stalls.
For code that does not need to search from the oldest record,
replace prb_first_valid_seq() usage with prb_read_valid_*()
functions, which provide a start sequence number to search from.
Fixes:
|
||
|
John Ogness
|
ce6de43a54 |
UPSTREAM: printk: avoid prb_first_valid_seq() where possible
If message sizes average larger than expected (more than 32
characters), the data_ring will wrap before the desc_ring. Once the
data_ring wraps, it will start invalidating descriptors. These
invalid descriptors hang around until they are eventually recycled
when the desc_ring wraps. Readers do not care about invalid
descriptors, but they still need to iterate past them. If the
average message size is much larger than 32 characters, then there
will be many invalid descriptors preceding the valid descriptors.
The function prb_first_valid_seq() always begins at the oldest
descriptor and searches for the first valid descriptor. This can
be rather expensive for the above scenario. And, in fact, because
of its heavy usage in /dev/kmsg, there have been reports of long
delays and even RCU stalls.
For code that does not need to search from the oldest record,
replace prb_first_valid_seq() usage with prb_read_valid_*()
functions, which provide a start sequence number to search from.
Fixes:
|
||
|
Greg Kroah-Hartman
|
39564d70ad |
This is the 5.10.12 stable release
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||
|
John Ogness
|
d5ac8304e1 |
printk: fix string termination for record_print_text()
commit 08d60e5999540110576e7c1346d486220751b7f9 upstream.
Commit f0e386ee0c0b ("printk: fix buffer overflow potential for
print_text()") added string termination in record_print_text().
However it used the wrong base pointer for adding the terminator.
This led to a 0-byte being written somewhere beyond the buffer.
Use the correct base pointer when adding the terminator.
Fixes: f0e386ee0c0b ("printk: fix buffer overflow potential for print_text()")
Reported-by: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: John Ogness <john.ogness@linutronix.de>
Signed-off-by: Petr Mladek <pmladek@suse.com>
Link: https://lore.kernel.org/r/20210124202728.4718-1-john.ogness@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
|
||
|
John Ogness
|
861c2e349a |
printk: fix buffer overflow potential for print_text()
commit f0e386ee0c0b71ea6f7238506a4d0965a2dbef11 upstream. Before the commit |
||
|
Greg Kroah-Hartman
|
ba152773be |
This is the 5.10.11 stable release
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Merge 5.10.11 into android12-5.10
Changes in 5.10.11
scsi: target: tcmu: Fix use-after-free of se_cmd->priv
mtd: rawnand: gpmi: fix dst bit offset when extracting raw payload
mtd: rawnand: nandsim: Fix the logic when selecting Hamming soft ECC engine
i2c: tegra: Wait for config load atomically while in ISR
i2c: bpmp-tegra: Ignore unknown I2C_M flags
platform/x86: i2c-multi-instantiate: Don't create platform device for INT3515 ACPI nodes
platform/x86: ideapad-laptop: Disable touchpad_switch for ELAN0634
ALSA: seq: oss: Fix missing error check in snd_seq_oss_synth_make_info()
ALSA: hda/realtek - Limit int mic boost on Acer Aspire E5-575T
ALSA: hda/via: Add minimum mute flag
crypto: xor - Fix divide error in do_xor_speed()
dm crypt: fix copy and paste bug in crypt_alloc_req_aead
ACPI: scan: Make acpi_bus_get_device() clear return pointer on error
btrfs: don't get an EINTR during drop_snapshot for reloc
btrfs: do not double free backref nodes on error
btrfs: fix lockdep splat in btrfs_recover_relocation
btrfs: don't clear ret in btrfs_start_dirty_block_groups
btrfs: send: fix invalid clone operations when cloning from the same file and root
fs: fix lazytime expiration handling in __writeback_single_inode()
pinctrl: ingenic: Fix JZ4760 support
mmc: core: don't initialize block size from ext_csd if not present
mmc: sdhci-of-dwcmshc: fix rpmb access
mmc: sdhci-xenon: fix 1.8v regulator stabilization
mmc: sdhci-brcmstb: Fix mmc timeout errors on S5 suspend
dm: avoid filesystem lookup in dm_get_dev_t()
dm integrity: fix a crash if "recalculate" used without "internal_hash"
dm integrity: conditionally disable "recalculate" feature
drm/atomic: put state on error path
drm/syncobj: Fix use-after-free
drm/amdgpu: remove gpu info firmware of green sardine
drm/amd/display: DCN2X Find Secondary Pipe properly in MPO + ODM Case
drm/i915/gt: Prevent use of engine->wa_ctx after error
drm/i915: Check for rq->hwsp validity after acquiring RCU lock
ASoC: Intel: haswell: Add missing pm_ops
ASoC: rt711: mutex between calibration and power state changes
SUNRPC: Handle TCP socket sends with kernel_sendpage() again
HID: multitouch: Enable multi-input for Synaptics pointstick/touchpad device
HID: sony: select CONFIG_CRC32
dm integrity: select CRYPTO_SKCIPHER
x86/hyperv: Fix kexec panic/hang issues
scsi: ufs: Relax the condition of UFSHCI_QUIRK_SKIP_MANUAL_WB_FLUSH_CTRL
scsi: ufs: Correct the LUN used in eh_device_reset_handler() callback
scsi: qedi: Correct max length of CHAP secret
scsi: scsi_debug: Fix memleak in scsi_debug_init()
scsi: sd: Suppress spurious errors when WRITE SAME is being disabled
riscv: Fix kernel time_init()
riscv: Fix sifive serial driver
riscv: Enable interrupts during syscalls with M-Mode
HID: logitech-dj: add the G602 receiver
HID: Ignore battery for Elan touchscreen on ASUS UX550
clk: tegra30: Add hda clock default rates to clock driver
ALSA: hda/tegra: fix tegra-hda on tegra30 soc
riscv: cacheinfo: Fix using smp_processor_id() in preemptible
arm64: make atomic helpers __always_inline
xen: Fix event channel callback via INTX/GSI
x86/xen: Add xen_no_vector_callback option to test PCI INTX delivery
x86/xen: Fix xen_hvm_smp_init() when vector callback not available
dts: phy: fix missing mdio device and probe failure of vsc8541-01 device
dts: phy: add GPIO number and active state used for phy reset
riscv: defconfig: enable gpio support for HiFive Unleashed
drm/amdgpu/psp: fix psp gfx ctrl cmds
drm/amd/display: disable dcn10 pipe split by default
HID: logitech-hidpp: Add product ID for MX Ergo in Bluetooth mode
drm/amd/display: Fix to be able to stop crc calculation
drm/nouveau/bios: fix issue shadowing expansion ROMs
drm/nouveau/privring: ack interrupts the same way as RM
drm/nouveau/i2c/gm200: increase width of aux semaphore owner fields
drm/nouveau/mmu: fix vram heap sizing
drm/nouveau/kms/nv50-: fix case where notifier buffer is at offset 0
io_uring: flush timeouts that should already have expired
libperf tests: If a test fails return non-zero
libperf tests: Fail when failing to get a tracepoint id
RISC-V: Set current memblock limit
RISC-V: Fix maximum allowed phsyical memory for RV32
x86/xen: fix 'nopvspin' build error
nfsd: Fixes for nfsd4_encode_read_plus_data()
nfsd: Don't set eof on a truncated READ_PLUS
gpiolib: cdev: fix frame size warning in gpio_ioctl()
pinctrl: aspeed: g6: Fix PWMG0 pinctrl setting
pinctrl: mediatek: Fix fallback call path
RDMA/ucma: Do not miss ctx destruction steps in some cases
btrfs: print the actual offset in btrfs_root_name
scsi: megaraid_sas: Fix MEGASAS_IOC_FIRMWARE regression
scsi: ufs: ufshcd-pltfrm depends on HAS_IOMEM
scsi: ufs: Fix tm request when non-fatal error happens
crypto: omap-sham - Fix link error without crypto-engine
bpf: Prevent double bpf_prog_put call from bpf_tracing_prog_attach
powerpc: Use the common INIT_DATA_SECTION macro in vmlinux.lds.S
powerpc: Fix alignment bug within the init sections
arm64: entry: remove redundant IRQ flag tracing
bpf: Reject too big ctx_size_in for raw_tp test run
drm/amdkfd: Fix out-of-bounds read in kdf_create_vcrat_image_cpu()
RDMA/umem: Avoid undefined behavior of rounddown_pow_of_two()
RDMA/cma: Fix error flow in default_roce_mode_store
printk: ringbuffer: fix line counting
printk: fix kmsg_dump_get_buffer length calulations
iov_iter: fix the uaccess area in copy_compat_iovec_from_user
i2c: octeon: check correct size of maximum RECV_LEN packet
drm/vc4: Unify PCM card's driver_name
platform/x86: intel-vbtn: Drop HP Stream x360 Convertible PC 11 from allow-list
platform/x86: hp-wmi: Don't log a warning on HPWMI_RET_UNKNOWN_COMMAND errors
gpio: sifive: select IRQ_DOMAIN_HIERARCHY rather than depend on it
ALSA: hda: Balance runtime/system PM if direct-complete is disabled
xsk: Clear pool even for inactive queues
selftests: net: fib_tests: remove duplicate log test
can: dev: can_restart: fix use after free bug
can: vxcan: vxcan_xmit: fix use after free bug
can: peak_usb: fix use after free bugs
perf evlist: Fix id index for heterogeneous systems
i2c: sprd: depend on COMMON_CLK to fix compile tests
iio: common: st_sensors: fix possible infinite loop in st_sensors_irq_thread
iio: ad5504: Fix setting power-down state
drivers: iio: temperature: Add delay after the addressed reset command in mlx90632.c
iio: adc: ti_am335x_adc: remove omitted iio_kfifo_free()
counter:ti-eqep: remove floor
powerpc/64s: fix scv entry fallback flush vs interrupt
cifs: do not fail __smb_send_rqst if non-fatal signals are pending
irqchip/mips-cpu: Set IPI domain parent chip
x86/fpu: Add kernel_fpu_begin_mask() to selectively initialize state
x86/topology: Make __max_die_per_package available unconditionally
x86/mmx: Use KFPU_387 for MMX string operations
x86/setup: don't remove E820_TYPE_RAM for pfn 0
proc_sysctl: fix oops caused by incorrect command parameters
mm: memcg/slab: optimize objcg stock draining
mm: memcg: fix memcg file_dirty numa stat
mm: fix numa stats for thp migration
io_uring: iopoll requests should also wake task ->in_idle state
io_uring: fix SQPOLL IORING_OP_CLOSE cancelation state
io_uring: fix short read retries for non-reg files
intel_th: pci: Add Alder Lake-P support
stm class: Fix module init return on allocation failure
serial: mvebu-uart: fix tx lost characters at power off
ehci: fix EHCI host controller initialization sequence
USB: ehci: fix an interrupt calltrace error
usb: gadget: aspeed: fix stop dma register setting.
USB: gadget: dummy-hcd: Fix errors in port-reset handling
usb: udc: core: Use lock when write to soft_connect
usb: bdc: Make bdc pci driver depend on BROKEN
usb: cdns3: imx: fix writing read-only memory issue
usb: cdns3: imx: fix can't create core device the second time issue
xhci: make sure TRB is fully written before giving it to the controller
xhci: tegra: Delay for disabling LFPS detector
drivers core: Free dma_range_map when driver probe failed
driver core: Fix device link device name collision
driver core: Extend device_is_dependent()
drm/i915: s/intel_dp_sink_dpms/intel_dp_set_power/
drm/i915: Only enable DFP 4:4:4->4:2:0 conversion when outputting YCbCr 4:4:4
x86/entry: Fix noinstr fail
x86/cpu/amd: Set __max_die_per_package on AMD
cls_flower: call nla_ok() before nla_next()
netfilter: rpfilter: mask ecn bits before fib lookup
tools: gpio: fix %llu warning in gpio-event-mon.c
tools: gpio: fix %llu warning in gpio-watch.c
drm/i915/hdcp: Update CP property in update_pipe
sh: dma: fix kconfig dependency for G2_DMA
sh: Remove unused HAVE_COPY_THREAD_TLS macro
locking/lockdep: Cure noinstr fail
ASoC: SOF: Intel: fix page fault at probe if i915 init fails
octeontx2-af: Fix missing check bugs in rvu_cgx.c
net: dsa: mv88e6xxx: also read STU state in mv88e6250_g1_vtu_getnext
selftests/powerpc: Fix exit status of pkey tests
sh_eth: Fix power down vs. is_opened flag ordering
nvme-pci: refactor nvme_unmap_data
nvme-pci: fix error unwind in nvme_map_data
cachefiles: Drop superfluous readpages aops NULL check
lightnvm: fix memory leak when submit fails
skbuff: back tiny skbs with kmalloc() in __netdev_alloc_skb() too
kasan: fix unaligned address is unhandled in kasan_remove_zero_shadow
kasan: fix incorrect arguments passing in kasan_add_zero_shadow
tcp: fix TCP socket rehash stats mis-accounting
net_sched: gen_estimator: support large ewma log
udp: mask TOS bits in udp_v4_early_demux()
ipv6: create multicast route with RTPROT_KERNEL
net_sched: avoid shift-out-of-bounds in tcindex_set_parms()
net_sched: reject silly cell_log in qdisc_get_rtab()
ipv6: set multicast flag on the multicast route
net: mscc: ocelot: allow offloading of bridge on top of LAG
net: Disable NETIF_F_HW_TLS_RX when RXCSUM is disabled
net: dsa: b53: fix an off by one in checking "vlan->vid"
tcp: do not mess with cloned skbs in tcp_add_backlog()
tcp: fix TCP_USER_TIMEOUT with zero window
net: mscc: ocelot: Fix multicast to the CPU port
net: core: devlink: use right genl user_ptr when handling port param get/set
pinctrl: qcom: Allow SoCs to specify a GPIO function that's not 0
pinctrl: qcom: No need to read-modify-write the interrupt status
pinctrl: qcom: Properly clear "intr_ack_high" interrupts when unmasking
pinctrl: qcom: Don't clear pending interrupts when enabling
x86/sev: Fix nonistr violation
tty: implement write_iter
tty: fix up hung_up_tty_write() conversion
net: systemport: free dev before on error path
x86/sev-es: Handle string port IO to kernel memory properly
tcp: Fix potential use-after-free due to double kfree()
ASoC: SOF: Intel: hda: Avoid checking jack on system suspend
drm/i915/hdcp: Get conn while content_type changed
bpf: Local storage helpers should check nullness of owner ptr passed
kernfs: implement ->read_iter
kernfs: implement ->write_iter
kernfs: wire up ->splice_read and ->splice_write
interconnect: imx8mq: Use icc_sync_state
fs/pipe: allow sendfile() to pipe again
Commit 9bb48c82aced ("tty: implement write_iter") converted the tty layer to use write_iter. Fix the redirected_tty_write declaration also in n_tty and change the comparisons to use write_iter instead of write. also in n_tty and change the comparisons to use write_iter instead of write.
mm: fix initialization of struct page for holes in memory layout
Revert "mm: fix initialization of struct page for holes in memory layout"
Linux 5.10.11
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I502239d06f9bcd68b59149376f3c796c64de5942
|
||
|
John Ogness
|
ce4d02da78 |
printk: fix kmsg_dump_get_buffer length calulations
[ Upstream commit 89ccf18f032f26946e2ea6258120472eec6aa745 ]
kmsg_dump_get_buffer() uses @syslog to determine if the syslog
prefix should be written to the buffer. However, when calculating
the maximum number of records that can fit into the buffer, it
always counts the bytes from the syslog prefix.
Use @syslog when calculating the maximum number of records that can
fit into the buffer.
Fixes:
|
||
|
John Ogness
|
cf3cca5f15 |
printk: ringbuffer: fix line counting
[ Upstream commit 668af87f995b6d6d09595c088ad1fb5dd9ff25d2 ]
Counting text lines in a record simply involves counting the number
of newline characters (+1). However, it is searching the full data
block for newline characters, even though the text data can be (and
often is) a subset of that area. Since the extra area in the data
block was never initialized, the result is that extra newlines may
be seen and counted.
Restrict newline searching to the text data length.
Fixes:
|
||
Prasad Sodagudi
|
7c3239719b |
ANDROID: printk: Export symbols for loadable modules
Export log_buf_addr_get and log_buf_len_get symbols for vendor loadable modules. Bug: 176125612 Change-Id: Iece1c60c60525f71d27031554711661ce57ab8b6 Signed-off-by: Prasad Sodagudi <psodagud@codeaurora.org> |
||
|
Greg Kroah-Hartman
|
b19651bfcc |
Merge c84e1efae0 ("Merge tag 'asm-generic-fixes-5.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic") into android-mainline
Steps on the way to 5.10-rc5 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> Change-Id: I644783003a83186a34cdbb753aa492f4350f49ee |
||
Linus Torvalds
|
43d6ecd97c |
Urgent printk fix for 5.10
-----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEESH4wyp42V4tXvYsjUqAMR0iAlPIFAl/A+VEACgkQUqAMR0iA lPIwGw/9F/E2ZdX+Vgi3ZiR/5GdfVZeIW+QwhKXBQc8Jr9+p2JJ+UOPeeazKQA5l bFt6GR67yjqtFS5gO76EPCQ6/Uu3cPA+A3HQRQZuE6p0zM+mrMXc/upLMy5DKi4Z f4zkW8dYWSBpAWPvM9bb0gIKO9wVV6Aj1IyyZLfEghX/KrJPx0zutioO4ScYxhA9 YVITmnUQ6YzHEVE8CwWGV4lArC50ILGdIqNlZrkjuG3CuGTdyB2OY60P8XCy8bzn W3WgRGI/bvfHwCPh8oYKm/5nM9JAVdhbEpoFQj8cMPKoH5DeSGNWfYXkali2gqhL 1Y2SntTcR7zclMcN0/gIn9ViVsma/eayAyawSYgQjmAdl6H/vv9B7x9ZswmK/b38 JzOzHwP+H3lXVg2yN4EbH3uDMTMjqflYuC7QiZ/HNa43KURXhoritw2hBRczhazp mdyRQf4iv8NoYSthggD6LolCs+ay5NZpCeB3YXgnlpxiYFGCE+ykSz41AGdTyYTl jOWVtK1VawFD0/FgpgF8XK7/gOXWeYb+4WeBYgGKgCJdneiB5eJt8eWT7zmpAPpG FECexdAd4TAjD+EEbidiFWpMjJcY2TnOJp76O3/Wlo1QLbEgRHOklM/Rrq0zGg5b vm3w0kobGZfpIJuzSOAHyErX0jGEVTq6yUi381jSQpf4bTttIpc= =7IkU -----END PGP SIGNATURE----- Merge tag 'printk-for-5.10-rc6-fixup' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux Pull printk fixes from Petr Mladek: - do not lose trailing newline in pr_cont() calls - two trivial fixes for a dead store and a config description * tag 'printk-for-5.10-rc6-fixup' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux: printk: finalize records with trailing newlines printk: remove unneeded dead-store assignment init/Kconfig: Fix CPU number in LOG_CPU_MAX_BUF_SHIFT description |
||
Petr Mladek
|
739e7116b1 | Merge branch 'for-5.10-pr_cont-fixup' into for-linus | ||
|
John Ogness
|
4ad9921af4 |
printk: finalize records with trailing newlines
Any record with a trailing newline (LOG_NEWLINE flag) cannot
be continued because the newline has been stripped and will
not be visible if the message is appended. This was already
handled correctly when committing in log_output() but was
not handled correctly when committing in log_store().
Fixes:
|
||
|
Prasad Sodagudi
|
7aaa29b82b |
ANDROID: printk: add vendor hook for console flush
Add vendor hook for skipping console flush in cpu hotplug. Bug: 165340180 Change-Id: I167e1595bbb50e57371bfabfde638624761d5f8a Signed-off-by: Prasad Sodagudi <psodagud@codeaurora.org> |
||
Lukas Bulwahn
|
90574a9c02 |
printk: remove unneeded dead-store assignment
make clang-analyzer on x86_64 defconfig caught my attention with:
kernel/printk/printk_ringbuffer.c:885:3: warning:
Value stored to 'desc' is never read [clang-analyzer-deadcode.DeadStores]
desc = to_desc(desc_ring, head_id);
^
Commit
|
||
Sai Harshini Nimmala
|
44043ee002 |
ANDROID: printk: printk_deferred for modules
Allow modules to call printk_deferred(). Bug: 172264047 Change-Id: Icf2daaa3c990519fb0ee048608a15a9f0b4fdf65 Signed-off-by: Sai Harshini Nimmala <snimmala@codeaurora.org> |
||
Gustavo A. R. Silva
|
a38283da05 |
printk: ringbuffer: Replace zero-length array with flexible-array member
There is a regular need in the kernel to provide a way to declare having a dynamically sized set of trailing elements in a structure. Kernel code should always use “flexible array members”[1] for these cases. The older style of one-element or zero-length arrays should no longer be used[2]. [1] https://en.wikipedia.org/wiki/Flexible_array_member [2] https://www.kernel.org/doc/html/v5.9/process/deprecated.html#zero-length-and-one-element-arrays Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org> |
||
|
Linus Torvalds
|
8119c4332d |
Urgent printk fix for 5.10
-----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEESH4wyp42V4tXvYsjUqAMR0iAlPIFAl+JtNYACgkQUqAMR0iA lPLvaQ//Xo1gAe/ZZznTJ/hMeJQf0COAFeQ/oriqiHThu9rRxv9cfQ434JYIQaz4 f1cKhnMNrdm6/AZynjKeLwoO+Ui9N3DUJ8Wf3V0r3W1mbWXrxSEhFE9AHc8BNWFZ vzlVOrHBfPt9RqFQ12k/IUcAElAiuCmceLJ3LsTLfVF2gc07cBsZdpsZLdPcb0fz Oo8Qu9afsVWUu9X/pepgKcNO0XbfDJM0cuFpmCrziRpToLvdaTEBihI7C0ktg9WU aNZz+mEuhX9mHGt9PvsHsuDsWj3gJJypkc7ccWRdWEbl0lR1HV40tr2j2WdtYtSb GvwD34ApxneoX87mWgaSSHWNfZ5B+SDbK1XQVswRkFmZhEqoAulGYd4Uktt+3Yxy 4cGC1pzEzU5ekj6XcmUjTHxmTKRNju2qC1XTtSE0F7ozDTlMtPovqSMZAQoNNuQK +F1TBy49ikEVKB1V6xoGH/IepStO2OSee5JN6yJ+ZzLKPq9hqqtAC6CjA75NQNR0 tB9e7EKUjGkwZohnCkPpVCA1BYzqWG8+II0Z5EZilZxJiNnh5CuJ4vr0wkIfnVkI BlvkoiPHiCBPhov8UJfnrxBASsSYt/EnzKfHisqQPs3/hN9ZgMbF+wbApwosEwNx l1fswzO0mBbb2NNJWydQzG305GjoxnkQjFOewOrCii4Z0ZrfMVo= =FqTN -----END PGP SIGNATURE----- Merge tag 'printk-for-5.10-fixup' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux Pull printk fix from Petr Mladek: "Prevent overflow in the new lockless ringbuffer" * tag 'printk-for-5.10-fixup' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux: printk: ringbuffer: Wrong data pointer when appending small string |
||
|
Linus Torvalds
|
bbf6259903 |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull trivial updates from Jiri Kosina: "The latest advances in computer science from the trivial queue" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: xtensa: fix Kconfig typo spelling.txt: Remove some duplicate entries mtd: rawnand: oxnas: cleanup/simplify code selftests: vm: add fragment CONFIG_GUP_BENCHMARK perf: Fix opt help text for --no-bpf-event HID: logitech-dj: Fix spelling in comment bootconfig: Fix kernel message mentioning CONFIG_BOOT_CONFIG MAINTAINERS: rectify MMP SUPPORT after moving cputype.h scif: Fix spelling of EACCES printk: fix global comment lib/bitmap.c: fix spello fs: Fix missing 'bit' in comment |
||
Petr Mladek
|
eac48eb6ce |
printk: ringbuffer: Wrong data pointer when appending small string
data_realloc() returns wrong data pointer when the block is wrapped and
the size is not increased. It might happen when pr_cont() wants to
add only few characters and there is already a space for them because
of alignment.
It might cause writing outsite the buffer. It has been detected by LTP
tests with KASAN enabled:
[ 221.921944] oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=c,mems_allowed=0,oom_memcg=/0,task_memcg=in
[ 221.922108] ==================================================================
[ 221.922111] BUG: KASAN: global-out-of-bounds in vprintk_store+0x362/0x3d0
[ 221.922112] Write of size 2 at addr ffffffffba51dbcd by task
memcg_test_1/11282
[ 221.922113]
[ 221.922114] CPU: 1 PID: 11282 Comm: memcg_test_1 Not tainted
5.9.0-next-20201013 #1
[ 221.922116] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS
2.0b 07/27/2017
[ 221.922116] Call Trace:
[ 221.922117] dump_stack+0xa4/0xd9
[ 221.922118] print_address_description.constprop.0+0x21/0x210
[ 221.922119] ? _raw_write_lock_bh+0xe0/0xe0
[ 221.922120] ? vprintk_store+0x362/0x3d0
[ 221.922121] kasan_report.cold+0x37/0x7c
[ 221.922122] ? vprintk_store+0x362/0x3d0
[ 221.922123] check_memory_region+0x18c/0x1f0
[ 221.922124] memcpy+0x3c/0x60
[ 221.922125] vprintk_store+0x362/0x3d0
[ 221.922125] ? __ia32_sys_syslog+0x50/0x50
[ 221.922126] ? _raw_spin_lock_irqsave+0x9b/0x100
[ 221.922127] ? _raw_spin_lock_irq+0xf0/0xf0
[ 221.922128] ? __kasan_check_write+0x14/0x20
[ 221.922129] vprintk_emit+0x8d/0x1f0
[ 221.922130] vprintk_default+0x1d/0x20
[ 221.922131] vprintk_func+0x5a/0x100
[ 221.922132] printk+0xb2/0xe3
[ 221.922133] ? swsusp_write.cold+0x189/0x189
[ 221.922134] ? kernfs_vfs_xattr_set+0x60/0x60
[ 221.922134] ? _raw_write_lock_bh+0xe0/0xe0
[ 221.922135] ? trace_hardirqs_on+0x38/0x100
[ 221.922136] pr_cont_kernfs_path.cold+0x49/0x4b
[ 221.922137] mem_cgroup_print_oom_context.cold+0x74/0xc3
[ 221.922138] dump_header+0x340/0x3bf
[ 221.922139] oom_kill_process.cold+0xb/0x10
[ 221.922140] out_of_memory+0x1e9/0x860
[ 221.922141] ? oom_killer_disable+0x210/0x210
[ 221.922142] mem_cgroup_out_of_memory+0x198/0x1c0
[ 221.922143] ? mem_cgroup_count_precharge_pte_range+0x250/0x250
[ 221.922144] try_charge+0xa9b/0xc50
[ 221.922145] ? arch_stack_walk+0x9e/0xf0
[ 221.922146] ? memory_high_write+0x230/0x230
[ 221.922146] ? avc_has_extended_perms+0x830/0x830
[ 221.922147] ? stack_trace_save+0x94/0xc0
[ 221.922148] ? stack_trace_consume_entry+0x90/0x90
[ 221.922149] __memcg_kmem_charge+0x73/0x120
[ 221.922150] ? cred_has_capability+0x10f/0x200
[ 221.922151] ? mem_cgroup_can_attach+0x260/0x260
[ 221.922152] ? selinux_sb_eat_lsm_opts+0x2f0/0x2f0
[ 221.922153] ? obj_cgroup_charge+0x16b/0x220
[ 221.922154] ? kmem_cache_alloc+0x78/0x4c0
[ 221.922155] obj_cgroup_charge+0x122/0x220
[ 221.922156] ? vm_area_alloc+0x20/0x90
[ 221.922156] kmem_cache_alloc+0x78/0x4c0
[ 221.922157] vm_area_alloc+0x20/0x90
[ 221.922158] mmap_region+0x3ed/0x9a0
[ 221.922159] ? cap_mmap_addr+0x1d/0x80
[ 221.922160] do_mmap+0x3ee/0x720
[ 221.922161] vm_mmap_pgoff+0x16a/0x1c0
[ 221.922162] ? randomize_stack_top+0x90/0x90
[ 221.922163] ? copy_page_range+0x1980/0x1980
[ 221.922163] ksys_mmap_pgoff+0xab/0x350
[ 221.922164] ? find_mergeable_anon_vma+0x110/0x110
[ 221.922165] ? __audit_syscall_entry+0x1a6/0x1e0
[ 221.922166] __x64_sys_mmap+0x8d/0xb0
[ 221.922167] do_syscall_64+0x38/0x50
[ 221.922168] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 221.922169] RIP: 0033:0x7fe8f5e75103
[ 221.922172] Code: 54 41 89 d4 55 48 89 fd 53 4c 89 cb 48 85 ff 74
56 49 89 d9 45 89 f8 45 89 f2 44 89 e2 4c 89 ee 48 89 ef b8 09 00 00
00 0f 05 <48> 3d 00 f0 ff ff 77 7d 5b 5d 41 5c 41 5d 41 5e 41 5f c3 66
2e 0f
[ 221.922173] RSP: 002b:00007ffd38c90198 EFLAGS: 00000246 ORIG_RAX:
0000000000000009
[ 221.922175] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe8f5e75103
[ 221.922176] RDX: 0000000000000003 RSI: 0000000000001000 RDI: 0000000000000000
[ 221.922178] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 221.922179] R10: 0000000000002022 R11: 0000000000000246 R12: 0000000000000003
[ 221.922180] R13: 0000000000001000 R14: 0000000000002022 R15: 0000000000000000
[ 221.922181]
[ 213O[ 221.922182] The buggy address belongs to the variable:
[ 221.922183] clear_seq+0x2d/0x40
[ 221.922183]
[ 221.922184] Memory state around the buggy address:
[ 221.922185] ffffffffba51da80: 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00
[ 221.922187] ffffffffba51db00: 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00
[ 221.922188] >ffffffffba51db80: f9 f9 f9 f9 00 f9 f9 f9 f9 f9 f9 f9
00 f9 f9 f9
[ 221.922189] ^
[ 221.922190] ffffffffba51dc00: f9 f9 f9 f9 00 f9 f9 f9 f9 f9 f9 f9
00 f9 f9 f9
[ 221.922191] ffffffffba51dc80: f9 f9 f9 f9 01 f9 f9 f9 f9 f9 f9 f9
00 f9 f9 f9
[ 221.922193] ==================================================================
[ 221.922194] Disabling lock debugging due to kernel taint
[ 221.922196] ,task=memcg_test_1,pid=11280,uid=0
[ 221.922205] Memory cgroup out of memory: Killed process 11280
Link: https://lore.kernel.org/r/CA+G9fYt46oC7-BKryNDaaXPJ9GztvS2cs_7GjYRjanRi4+ryCQ@mail.gmail.com
Fixes:
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Petr Mladek
|
70333f4ff9 | Merge branch 'printk-rework' into for-linus | ||
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Gustavo A. R. Silva
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4e797e6ec7 |
printk: Use fallthrough pseudo-keyword
Replace /* FALL THRU */ comment with the new pseudo-keyword macro fallthrough[1]. [1] https://www.kernel.org/doc/html/v5.7/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org> Signed-off-by: Petr Mladek <pmladek@suse.com> Link: https://lore.kernel.org/r/20201002224627.GA30475@embeddedor |
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John Ogness
|
0463d04ea0 |
printk: reduce setup_text_buf size to LOG_LINE_MAX
@setup_text_buf only copies the original text messages (without any prefix or extended text). It only needs to be LOG_LINE_MAX in size. Signed-off-by: John Ogness <john.ogness@linutronix.de> Reviewed-by: Petr Mladek <pmladek@suse.com> Signed-off-by: Petr Mladek <pmladek@suse.com> Link: https://lore.kernel.org/r/20200930090134.8723-3-john.ogness@linutronix.de |
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John Ogness
|
59f8bcca1e |
printk: avoid and/or handle record truncation
If a reader provides a buffer that is smaller than the message text,
the @text_len field of @info will have a value larger than the buffer
size. If readers blindly read @text_len bytes of data without
checking the size, they will read beyond their buffer.
Add this check to record_print_text() to properly recognize when such
truncation has occurred.
Add a maximum size argument to the ringbuffer function to extend
records so that records can not be created that are larger than the
buffer size of readers.
When extending records (LOG_CONT), do not extend records beyond
LOG_LINE_MAX since that is the maximum size available in the buffers
used by consoles and syslog.
Fixes:
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||
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John Ogness
|
f35efc78ad |
printk: remove dict ring
Since there is no code that will ever store anything into the dict ring, remove it. If any future dictionary properties are to be added, these should be added to the struct printk_info. Signed-off-by: John Ogness <john.ogness@linutronix.de> Reviewed-by: Petr Mladek <pmladek@suse.com> Signed-off-by: Petr Mladek <pmladek@suse.com> Link: https://lore.kernel.org/r/20200918223421.21621-4-john.ogness@linutronix.de |
||
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John Ogness
|
74caba7f2a |
printk: move dictionary keys to dev_printk_info
Dictionaries are only used for SUBSYSTEM and DEVICE properties. The current implementation stores the property names each time they are used. This requires more space than otherwise necessary. Also, because the dictionary entries are currently considered optional, it cannot be relied upon that they are always available, even if the writer wanted to store them. These issues will increase should new dictionary properties be introduced. Rather than storing the subsystem and device properties in the dict ring, introduce a struct dev_printk_info with separate fields to store only the property values. Embed this struct within the struct printk_info to provide guaranteed availability. Signed-off-by: John Ogness <john.ogness@linutronix.de> Reviewed-by: Petr Mladek <pmladek@suse.com> Signed-off-by: Petr Mladek <pmladek@suse.com> Link: https://lore.kernel.org/r/87mu1jl6ne.fsf@jogness.linutronix.de |
||
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John Ogness
|
cfe2790b16 |
printk: move printk_info into separate array
The majority of the size of a descriptor is taken up by meta data, which is often not of interest to the ringbuffer (for example, when performing state checks). Since descriptors are often temporarily stored on the stack, keeping their size minimal will help reduce stack pressure. Rather than embedding the printk_info into the descriptor, create a separate printk_info array. The index of a descriptor in the descriptor array corresponds to the printk_info with the same index in the printk_info array. The rules for validity of a printk_info match the existing rules for the data blocks: the descriptor must be in a consistent state. Signed-off-by: John Ogness <john.ogness@linutronix.de> Reviewed-by: Petr Mladek <pmladek@suse.com> Signed-off-by: Petr Mladek <pmladek@suse.com> Link: https://lore.kernel.org/r/20200918223421.21621-2-john.ogness@linutronix.de |
||
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John Ogness
|
f5f022e53b |
printk: reimplement log_cont using record extension
Use the record extending feature of the ringbuffer to implement continuous messages. This preserves the existing continuous message behavior. Signed-off-by: John Ogness <john.ogness@linutronix.de> Reviewed-by: Petr Mladek <pmladek@suse.com> Signed-off-by: Petr Mladek <pmladek@suse.com> Link: https://lore.kernel.org/r/20200914123354.832-7-john.ogness@linutronix.de |
||
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John Ogness
|
4cfc7258f8 |
printk: ringbuffer: add finalization/extension support
Add support for extending the newest data block. For this, introduce
a new finalization state (desc_finalized) denoting a committed
descriptor that cannot be extended.
Until a record is finalized, a writer can reopen that record to
append new data. Reopening a record means transitioning from the
desc_committed state back to the desc_reserved state.
A writer can explicitly finalize a record if there is no intention
of extending it. Also, records are automatically finalized when a
new record is reserved. This relieves writers of needing to
explicitly finalize while also making such records available to
readers sooner. (Readers can only traverse finalized records.)
Four new memory barrier pairs are introduced. Two of them are
insignificant additions (data_realloc:A/desc_read:D and
data_realloc:A/data_push_tail:B) because they are alternate path
memory barriers that exactly match the purpose, pairing, and
context of the two existing memory barrier pairs they provide an
alternate path for. The other two new memory barrier pairs are
significant additions:
desc_reopen_last:A / _prb_commit:B - When reopening a descriptor,
ensure the state transitions back to desc_reserved before
fully trusting the descriptor data.
_prb_commit:B / desc_reserve:D - When committing a descriptor,
ensure the state transitions to desc_committed before checking
the head ID to see if the descriptor needs to be finalized.
Signed-off-by: John Ogness <john.ogness@linutronix.de>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Signed-off-by: Petr Mladek <pmladek@suse.com>
Link: https://lore.kernel.org/r/20200914123354.832-6-john.ogness@linutronix.de
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||
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John Ogness
|
10dcb06d40 |
printk: ringbuffer: change representation of states
Rather than deriving the state by evaluating bits within the flags area of the state variable, assign the states explicit values and set those values in the flags area. Introduce macros to make it simple to read and write state values for the state variable. Although the functionality is preserved, the binary representation for the states is changed. Signed-off-by: John Ogness <john.ogness@linutronix.de> Reviewed-by: Petr Mladek <pmladek@suse.com> Signed-off-by: Petr Mladek <pmladek@suse.com> Link: https://lore.kernel.org/r/20200914123354.832-5-john.ogness@linutronix.de |
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John Ogness
|
cc5c7041c6 |
printk: ringbuffer: clear initial reserved fields
prb_reserve() will set some meta data values and leave others uninitialized (or rather, containing the values of the previous wrap). Simplify the API by always clearing out all the fields. Only the sequence number is filled in. The caller is now responsible for filling in the rest of the meta data fields. In particular, for correctly filling in text and dict lengths. Signed-off-by: John Ogness <john.ogness@linutronix.de> Reviewed-by: Petr Mladek <pmladek@suse.com> Signed-off-by: Petr Mladek <pmladek@suse.com> Link: https://lore.kernel.org/r/20200914123354.832-4-john.ogness@linutronix.de |
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John Ogness
|
e3bc0401c1 |
printk: ringbuffer: add BLK_DATALESS() macro
Rather than continually needing to explicitly check @begin and @next to identify a dataless block, introduce and use a BLK_DATALESS() macro. Signed-off-by: John Ogness <john.ogness@linutronix.de> Reviewed-by: Petr Mladek <pmladek@suse.com> Signed-off-by: Petr Mladek <pmladek@suse.com> Link: https://lore.kernel.org/r/20200914123354.832-3-john.ogness@linutronix.de |
||
|
John Ogness
|
2a7f87ed05 |
printk: ringbuffer: relocate get_data()
Move the internal get_data() function as-is above prb_reserve() so that a later change can make use of the static function. Signed-off-by: John Ogness <john.ogness@linutronix.de> Reviewed-by: Petr Mladek <pmladek@suse.com> Signed-off-by: Petr Mladek <pmladek@suse.com> Link: https://lore.kernel.org/r/20200914123354.832-2-john.ogness@linutronix.de |
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|
John Ogness
|
e7c1fe2104 |
printk: ringbuffer: avoid memcpy() on state_var
@state_var is copied as part of the descriptor copying via
memcpy(). This is not allowed because @state_var is an atomic type,
which in some implementations may contain a spinlock.
Avoid using memcpy() with @state_var by explicitly copying the other
fields of the descriptor. @state_var is set using atomic set
operator before returning.
Fixes:
|
||
|
John Ogness
|
ce003d67ad |
printk: ringbuffer: fix setting state in desc_read()
It is expected that desc_read() will always set at least the
@state_var field. However, if the descriptor is in an inconsistent
state, no fields are set.
Also, the second load of @state_var is not stored in @desc_out and
so might not match the state value that is returned.
Always set the last loaded @state_var into @desc_out, regardless of
the descriptor consistency.
Fixes:
|
||
|
John Ogness
|
d397820f36 |
printk: ringbuffer: support dataless records
With commit |
||
Jiri Kosina
|
ead5d1f4d8 |
Merge branch 'master' into for-next
Sync with Linus' branch in order to be able to apply fixups of more recent patches. |
||
Randy Dunlap
|
547bbf7d21 |
kernel: printk: delete repeated words in comments
Drop repeated words "the" in kernel/printk/. Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Signed-off-by: Petr Mladek <pmladek@suse.com> Link: https://lore.kernel.org/r/20200807033227.8349-1-rdunlap@infradead.org |
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|
Linus Torvalds
|
a754292348 |
Printk changes for 5.9
-----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEESH4wyp42V4tXvYsjUqAMR0iAlPIFAl8pk84ACgkQUqAMR0iA lPIrTxAAhD6fosJx+7LCrDRABIw/ZybeS5MIxTuPsNtdMmGBemigew5Ao1wYY6Ww 3BFiNC2LpDXPxSOCQpz0Zm5/oCLhShPJmS6ukjLbufDsiw0MezliKCAa2Bfw3W31 6xntQtf7ps+bmTEQDyuznu8Kfg+I3lmdGUOEBBluHIP4gb7XKQE8ttyUHB6qdiXI 3eAl53Q8dOMMjtk5eNBXA19JY43g4JmLZRBumrAUc1vsv15KTDmSyWKlV8+tLH9K JbQAHe0pNVec4sJUIYLvIwDZXvtsvxjdJyX3tTeZ7xJ/ARcvRLoixVGqWxKhqdth j5U/L+YQfCJifyqvEVo03yy4Ti+OraliRpGcRf/bM2HpmFBA2+dISr7/VEqRwkG7 Sy8HuvBHHyUqdrPjB7izhv8iyRN+LxFfpdT5LMnzsvxMxAJ+QwNjxb13RA4kkeRU 5SgOhfGWgTsLy71J6qdSeXYB2oPFw4Onp5yAtoUsOJVYqWkN9x0zdl+9HmqIHF7T dY+KNriEO6gmpsQrMR4FC/GVMtwYWf8AoqeZen5O5SQULmzuKQ5AkOo0IAMrU92i iAdFrSZj35HAQjIJRccPNGZ3FwTd1Z4r5GT7VRvrN+nq2wVopzbbz924/lmsGoAS YppAw31sKfXDc5uWE8jP8GP3OJqhORn2PPXq3D5Q3XSVbGgey0Q= =ZcMq -----END PGP SIGNATURE----- Merge tag 'printk-for-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux Pull printk updates from Petr Mladek: - Herbert Xu made printk header file self-contained. - Andy Shevchenko and Sergey Senozhatsky cleaned up console->setup() error handling. - Andy Shevchenko did some cleanups (e.g. sparse warning) in vsprintf code. - Minor documentation updates. * tag 'printk-for-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux: lib/vsprintf: Force type of flags value for gfp_t lib/vsprintf: Replace custom spec to print decimals with generic one lib/vsprintf: Replace hidden BUILD_BUG_ON() with static_assert() printk: Make linux/printk.h self-contained doc:kmsg: explicitly state the return value in case of SEEK_CUR Replace HTTP links with HTTPS ones: vsprintf hvc: unify console setup naming console: Fix trivia typo 'change' -> 'chance' console: Propagate error code from console ->setup() tty: hvc: Return proper error code from console ->setup() hook serial: sunzilog: Return proper error code from console ->setup() hook serial: sunsab: Return proper error code from console ->setup() hook mips: Return proper error code from console ->setup() hook |
||
|
Petr Mladek
|
57e60db3bc | Merge branch 'for-5.9-console-return-codes' into for-linus | ||
Bruno Meneguele
|
bc885f1ab6 |
doc:kmsg: explicitly state the return value in case of SEEK_CUR
The commit
|
||
|
John Ogness
|
896fbe20b4 |
printk: use the lockless ringbuffer
Replace the existing ringbuffer usage and implementation with lockless ringbuffer usage. Even though the new ringbuffer does not require locking, all existing locking is left in place. Therefore, this change is purely replacing the underlining ringbuffer. Changes that exist due to the ringbuffer replacement: - The VMCOREINFO has been updated for the new structures. - Dictionary data is now stored in a separate data buffer from the human-readable messages. The dictionary data buffer is set to the same size as the message buffer. Therefore, the total required memory for both dictionary and message data is 2 * (2 ^ CONFIG_LOG_BUF_SHIFT) for the initial static buffers and 2 * log_buf_len (the kernel parameter) for the dynamic buffers. - Record meta-data is now stored in a separate array of descriptors. This is an additional 72 * (2 ^ (CONFIG_LOG_BUF_SHIFT - 5)) bytes for the static array and 72 * (log_buf_len >> 5) bytes for the dynamic array. Signed-off-by: John Ogness <john.ogness@linutronix.de> Reviewed-by: Petr Mladek <pmladek@suse.com> Signed-off-by: Petr Mladek <pmladek@suse.com> Link: https://lore.kernel.org/r/20200709132344.760-5-john.ogness@linutronix.de |
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|
John Ogness
|
8749efc0c0 |
Revert "printk: lock/unlock console only for new logbuf entries"
This reverts commit
|
||
|
John Ogness
|
b6cf8b3f33 |
printk: add lockless ringbuffer
Introduce a multi-reader multi-writer lockless ringbuffer for storing the kernel log messages. Readers and writers may use their API from any context (including scheduler and NMI). This ringbuffer will make it possible to decouple printk() callers from any context, locking, or console constraints. It also makes it possible for readers to have full access to the ringbuffer contents at any time and context (for example from any panic situation). The printk_ringbuffer is made up of 3 internal ringbuffers: desc_ring: A ring of descriptors. A descriptor contains all record meta data (sequence number, timestamp, loglevel, etc.) as well as internal state information about the record and logical positions specifying where in the other ringbuffers the text and dictionary strings are located. text_data_ring: A ring of data blocks. A data block consists of an unsigned long integer (ID) that maps to a desc_ring index followed by the text string of the record. dict_data_ring: A ring of data blocks. A data block consists of an unsigned long integer (ID) that maps to a desc_ring index followed by the dictionary string of the record. The internal state information of a descriptor is the key element to allow readers and writers to locklessly synchronize access to the data. Co-developed-by: Petr Mladek <pmladek@suse.com> Signed-off-by: John Ogness <john.ogness@linutronix.de> Reviewed-by: Petr Mladek <pmladek@suse.com> Reviewed-by: Paul E. McKenney <paulmck@kernel.org> Signed-off-by: Petr Mladek <pmladek@suse.com> Link: https://lore.kernel.org/r/20200709132344.760-3-john.ogness@linutronix.de |
||
Andy Shevchenko
|
504603767a |
console: Fix trivia typo 'change' -> 'chance'
I bet the word 'chance' has to be used in 'had a chance to be called', but, alas, I'm not native speaker... Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Petr Mladek <pmladek@suse.com> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Petr Mladek <pmladek@suse.com> Link: https://lore.kernel.org/r/20200618164751.56828-7-andriy.shevchenko@linux.intel.com |
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Andy Shevchenko
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bba18a1af3 |
console: Propagate error code from console ->setup()
Since console ->setup() hook returns meaningful error codes, propagate it to the caller of try_enable_new_console(). Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Petr Mladek <pmladek@suse.com> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Petr Mladek <pmladek@suse.com> Link: https://lore.kernel.org/r/20200618164751.56828-6-andriy.shevchenko@linux.intel.com |