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amdgpu:
- update gfx11 clock counter logic
- Fix a race when disabling gfxoff on gfx10/11 for profiling
- Raven/Raven2/PCO clock counter fix
- Add missing get_vbios_fb_size for GMC 11
- Fix a spurious irq warning in the device remove case
- Fix possible power mode mismatch between driver and PMFW
- USB4 fix
exynos:
- fix build warning
i915:
- fix missing NULL check in HDCP code
msm:
- display:
- msm8998: fix fetch and qos to align with downstream
- msm8998: fix LM pairs to align with downstream
- remove unused INTF0 interrupt mask on some chipsets
- remove TE2 block from relevant chipsets
- relocate non-MDP_TOP offset to different header
- fix some indentation
- fix register offets/masks for dither blocks
- make ping-ping block length 0
- remove duplicated defines
- fix log mask for writeback block
- unregister the hdmi codec for dp during unbind
- fix yaml warnings
- gpu:
- fix submit error path leak
- arm-smmu-qcom fix for regression that broke per-process page tables
- fix no-iommu crash
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Merge tag 'drm-fixes-2023-05-20' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"Regular fixes pull, amdgpu and msm make up most of these, nothing too
serious, also one i915 and one exynos.
I didn't get a misc fixes pull this week (one of the maintainers is
off, so have to engage the backup) so I think there are a few
outstanding patches that will show up next week,
amdgpu:
- update gfx11 clock counter logic
- Fix a race when disabling gfxoff on gfx10/11 for profiling
- Raven/Raven2/PCO clock counter fix
- Add missing get_vbios_fb_size for GMC 11
- Fix a spurious irq warning in the device remove case
- Fix possible power mode mismatch between driver and PMFW
- USB4 fix
exynos:
- fix build warning
i915:
- fix missing NULL check in HDCP code
msm:
- display:
- msm8998: fix fetch and qos to align with downstream
- msm8998: fix LM pairs to align with downstream
- remove unused INTF0 interrupt mask on some chipsets
- remove TE2 block from relevant chipsets
- relocate non-MDP_TOP offset to different header
- fix some indentation
- fix register offets/masks for dither blocks
- make ping-ping block length 0
- remove duplicated defines
- fix log mask for writeback block
- unregister the hdmi codec for dp during unbind
- fix yaml warnings
- gpu:
- fix submit error path leak
- arm-smmu-qcom fix for regression that broke per-process page
tables
- fix no-iommu crash"
* tag 'drm-fixes-2023-05-20' of git://anongit.freedesktop.org/drm/drm: (29 commits)
drm/amd/display: enable dpia validate
drm/amd/pm: fix possible power mode mismatch between driver and PMFW
drm/amdgpu: skip disabling fence driver src_irqs when device is unplugged
drm/amdgpu/gmc11: implement get_vbios_fb_size()
drm/amdgpu: Differentiate between Raven2 and Raven/Picasso according to revision id
drm/amdgpu/gfx11: Adjust gfxoff before powergating on gfx11 as well
drm/amdgpu/gfx10: Disable gfxoff before disabling powergating.
drm/amdgpu/gfx11: update gpu_clock_counter logic
drm/msm: Be more shouty if per-process pgtables aren't working
iommu/arm-smmu-qcom: Fix missing adreno_smmu's
drm/i915/hdcp: Check if media_gt exists
drm/exynos: fix g2d_open/close helper function definitions
drm/msm: Fix submit error-path leaks
drm/msm/iommu: Fix null pointer dereference in no-IOMMU case
dt-bindings: display/msm: dsi-controller-main: Document qcom, master-dsi and qcom, sync-dual-dsi
drm/msm/dpu: Remove duplicate register defines from INTF
drm/msm/dpu: Set PINGPONG block length to zero for DPU >= 7.0.0
drm/msm/dpu: Use V2 DITHER PINGPONG sub-block in SM8[34]50/SC8280XP
drm/msm/dpu: Fix PP_BLK_DIPHER -> DITHER typo
drm/msm/dpu: Reindent REV_7xxx interrupt masks with tabs
...
Six small fixes. Four in drivers and the two core changes should be
read together as a correction to a prior iorequest_cnt fix that
exposed us to a potential use after free.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Six small fixes.
Four in drivers and the two core changes should be read together as a
correction to a prior iorequest_cnt fix that exposed us to a potential
use after free"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: core: Decrease scsi_device's iorequest_cnt if dispatch failed
scsi: Revert "scsi: core: Do not increase scsi_device's iorequest_cnt if dispatch failed"
scsi: storvsc: Don't pass unused PFNs to Hyper-V host
scsi: ufs: core: Fix MCQ nr_hw_queues
scsi: ufs: core: Rename symbol sizeof_utp_transfer_cmd_desc()
scsi: ufs: core: Fix MCQ tag calculation
goes back to 2017 (marked for stable) and a fixup to quieten a static
checker.
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Merge tag 'ceph-for-6.4-rc3' of https://github.com/ceph/ceph-client
Pull ceph fixes from Ilya Dryomov:
"A workaround for a just discovered bug in MClientSnap encoding which
goes back to 2017 (marked for stable) and a fixup to quieten a static
checker"
* tag 'ceph-for-6.4-rc3' of https://github.com/ceph/ceph-client:
ceph: force updating the msg pointer in non-split case
ceph: silence smatch warning in reconnect_caps_cb()
- Get rid of a warning message printed by the ACPI cpufreq driver
after recent changes in it when anohter CPU performance scaling
driver is registered already when it starts (Petr Pavlu).
- Make cpupower read TSC on each CPU right before reading MPERF so as
to reduce the potential time difference between the TSC and MPERF
accesses and improve the C0 percentage calculation (Wyes Karny).
- Fix a possible file handle leak and clean up the code in the
sysfs_get_enabled() function in cpupower (Hao Zeng).
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Merge tag 'pm-6.4-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These fix two issues in the cpupower utility and get rid of a spurious
warning message printed to the kernel log by the ACPI cpufreq driver
after recent changes.
Specifics:
- Get rid of a warning message printed by the ACPI cpufreq driver
after recent changes in it when anohter CPU performance scaling
driver is registered already when it starts (Petr Pavlu)
- Make cpupower read TSC on each CPU right before reading MPERF so as
to reduce the potential time difference between the TSC and MPERF
accesses and improve the C0 percentage calculation (Wyes Karny)
- Fix a possible file handle leak and clean up the code in the
sysfs_get_enabled() function in cpupower (Hao Zeng)"
* tag 'pm-6.4-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq: ACPI: Prevent a warning when another frequency driver is loaded
cpupower: Make TSC read per CPU for Mperf monitor
cpupower:Fix resource leaks in sysfs_get_enabled()
Add an ACPI IRQ override quirk for LG UltraPC 17U70P so as to
make the internal keyboard work on that machine (Rubén Gómez).
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Merge tag 'acpi-6.4-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fix from Rafael Wysocki:
"Add an ACPI IRQ override quirk for LG UltraPC 17U70P so as to make the
internal keyboard work on that machine (Rubén Gómez)"
* tag 'acpi-6.4-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: resource: Add IRQ override quirk for LG UltraPC 17U70P
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Merge tag 'docs-6.4-fixes' of git://git.lwn.net/linux
Pull documentation fixes from Jonathan Corbet:
"Four straightforward documentation fixes"
* tag 'docs-6.4-fixes' of git://git.lwn.net/linux:
Documentation/filesystems: ramfs-rootfs-initramfs: use :Author:
Documentation/filesystems: sharedsubtree: add section headings
docs: quickly-build-trimmed-linux: various small fixes and improvements
Documentation: use capitalization for chapters and acronyms
- Add check whether the required facilities are installed
before using the s390-specific ChaCha20 implementation.
- Key blobs for s390 protected key interface IOCTLs commands
PKEY_VERIFYKEY2 and PKEY_VERIFYKEY3 may contain clear key
material. Zeroize copies of these keys in kernel memory
after creating protected keys.
- Set CONFIG_INIT_STACK_NONE=y in defconfigs to avoid extra
overhead of initializing all stack variables by default.
- Make sure that when a new channel-path is enabled all
subchannels are evaluated: with and without any devices
connected on it.
- When SMT thread CPUs are added to CPU topology masks the
nr_cpu_ids limit is not checked and could be exceeded.
Respect the nr_cpu_ids limit and avoid a warning when
CONFIG_DEBUG_PER_CPU_MAPS is set.
- The pointer to IPL Parameter Information Block is stored
in the absolute lowcore as a virtual address. Save it as
the physical address for later use by dump tools.
- Fix a Queued Direct I/O (QDIO) problem on z/VM guests using
QIOASSIST with dedicated (pass through) QDIO-based devices
such as FCP, real OSA or HiperSockets.
- s390's struct statfs and struct statfs64 contain padding,
which field-by-field copying does not set. Initialize the
respective structures with zeros before filling them and
copying to userspace.
- Grow s390 compat_statfs64, statfs and statfs64 structures
f_spare array member to cover padding and simplify things.
- Remove obsolete SCHED_BOOK and SCHED_DRAWER configs.
- Remove unneeded S390_CCW_IOMMU and S390_AP_IOM configs.
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Merge tag 's390-6.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Alexander Gordeev:
- Add check whether the required facilities are installed before using
the s390-specific ChaCha20 implementation
- Key blobs for s390 protected key interface IOCTLs commands
PKEY_VERIFYKEY2 and PKEY_VERIFYKEY3 may contain clear key material.
Zeroize copies of these keys in kernel memory after creating
protected keys
- Set CONFIG_INIT_STACK_NONE=y in defconfigs to avoid extra overhead of
initializing all stack variables by default
- Make sure that when a new channel-path is enabled all subchannels are
evaluated: with and without any devices connected on it
- When SMT thread CPUs are added to CPU topology masks the nr_cpu_ids
limit is not checked and could be exceeded. Respect the nr_cpu_ids
limit and avoid a warning when CONFIG_DEBUG_PER_CPU_MAPS is set
- The pointer to IPL Parameter Information Block is stored in the
absolute lowcore as a virtual address. Save it as the physical
address for later use by dump tools
- Fix a Queued Direct I/O (QDIO) problem on z/VM guests using QIOASSIST
with dedicated (pass through) QDIO-based devices such as FCP, real
OSA or HiperSockets
- s390's struct statfs and struct statfs64 contain padding, which
field-by-field copying does not set. Initialize the respective
structures with zeros before filling them and copying to userspace
- Grow s390 compat_statfs64, statfs and statfs64 structures f_spare
array member to cover padding and simplify things
- Remove obsolete SCHED_BOOK and SCHED_DRAWER configs
- Remove unneeded S390_CCW_IOMMU and S390_AP_IOM configs
* tag 's390-6.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/iommu: get rid of S390_CCW_IOMMU and S390_AP_IOMMU
s390/Kconfig: remove obsolete configs SCHED_{BOOK,DRAWER}
s390/uapi: cover statfs padding by growing f_spare
statfs: enforce statfs[64] structure initialization
s390/qdio: fix do_sqbs() inline assembly constraint
s390/ipl: fix IPIB virtual vs physical address confusion
s390/topology: honour nr_cpu_ids when adding CPUs
s390/cio: include subchannels without devices also for evaluation
s390/defconfigs: set CONFIG_INIT_STACK_NONE=y
s390/pkey: zeroize key blobs
s390/crypto: use vector instructions only if available for ChaCha20
- Avoid erroneously marking untagged pages with PG_mte_tagged
- Always reset KASAN tags for destination page in copy_page()
- Mark PMU header functions 'static inline'
- Fix some sparse warnings due to missing casts
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Will Deacon:
"A mixture of compiler/static checker resolutions and a couple of MTE
fixes:
- Avoid erroneously marking untagged pages with PG_mte_tagged
- Always reset KASAN tags for destination page in copy_page()
- Mark PMU header functions 'static inline'
- Fix some sparse warnings due to missing casts"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: mte: Do not set PG_mte_tagged if tags were not initialized
arm64: Also reset KASAN tag if page is not PG_mte_tagged
arm64: perf: Mark all accessor functions inline
ARM: perf: Mark all accessor functions inline
arm64: vdso: Pass (void *) to virt_to_page()
arm64/mm: mark private VM_FAULT_X defines as vm_fault_t
A collection of small fixes that have been gathered since rc1:
- Lots of small ASoC SOF Intel fixes
- A couple of UAF and NULL-dereference fixes
- Quirks and updates for HD-audio, USB-audio and ASoC AMD
- A few minor build / sparse warning fixes
- MAINTAINERS and DT updates
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Merge tag 'sound-6.4-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A collection of small fixes that have been gathered since rc1:
- Lots of small ASoC SOF Intel fixes
- A couple of UAF and NULL-dereference fixes
- Quirks and updates for HD-audio, USB-audio and ASoC AMD
- A few minor build / sparse warning fixes
- MAINTAINERS and DT updates"
* tag 'sound-6.4-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (38 commits)
ALSA: hda: Add NVIDIA codec IDs a3 through a7 to patch table
ALSA: oss: avoid missing-prototype warnings
ALSA: cs46xx: mark snd_cs46xx_download_image as static
ALSA: hda: Fix Oops by 9.1 surround channel names
ASoC: SOF: topology: Fix tuples array allocation
ASoC: SOF: Separate the tokens for input and output pin index
MAINTAINERS: Remove self from Cirrus Codec drivers
ASoC: cs35l56: Prevent unbalanced pm_runtime in dsp_work() on SoundWire
ASoC: SOF: topology: Fix logic for copying tuples
ASoC: SOF: pm: save io region state in case of errors in resume
ASoC: MAINTAINERS: drop Krzysztof Kozlowski from Samsung audio
ASoC: mediatek: mt8186: Fix use-after-free in driver remove path
ASoC: SOF: ipc3-topology: Make sure that only one cmd is sent in dai_config
ASoC: SOF: sof-client-probes: fix pm_runtime imbalance in error handling
ASoC: SOF: pcm: fix pm_runtime imbalance in error handling
ASoC: SOF: debug: conditionally bump runtime_pm counter on exceptions
ASoC: SOF: Intel: hda-mlink: add helper to program SoundWire PCMSyCM registers
ASoC: SOF: Intel: hda-mlink: initialize instance_offset member
ASoC: SOF: Intel: hda-mlink: use 'ml_addr' parameter consistently
ASoC: SOF: Intel: hda-mlink: fix base_ptr computation
...
Merge cpupower utility fixes for 6.4-rc3:
- Read TSC on each CPU right before reading MPERF so as to reduce the
potential time difference between the TSC and MPERF accesses and
improve the C0 percentage calculation (Wyes Karny).
- Fix a possible file handle leak and clean up the code in
sysfs_get_enabled() (Hao Zeng).
* pm-tools:
cpupower: Make TSC read per CPU for Mperf monitor
cpupower:Fix resource leaks in sysfs_get_enabled()
This cpupower fixes update for Linux 67.4-rc3 consists of:
- a resource leak fix
- fix drift in C0 percentage calculation due to System-wide TSC read.
To lower this drift read TSC per CPU and also just after mperf read.
This technique improves C0 percentage calculation in Mperf monitor
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Merge tag 'linux-cpupower-6.4-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux
Pull cpupower utility fixes for 6.4-rc3 from Shuah Khan:
"This cpupower fixes update for Linux 67.4-rc3 consists of:
- a resource leak fix
- fix drift in C0 percentage calculation due to System-wide TSC read.
To lower this drift read TSC per CPU and also just after mperf read.
This technique improves C0 percentage calculation in Mperf monitor"
* tag 'linux-cpupower-6.4-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux:
cpupower: Make TSC read per CPU for Mperf monitor
cpupower:Fix resource leaks in sysfs_get_enabled()
amd-drm-fixes-6.4-2023-05-18:
amdgpu:
- update gfx11 clock counter logic
- Fix a race when disabling gfxoff on gfx10/11 for profiling
- Raven/Raven2/PCO clock counter fix
- Add missing get_vbios_fb_size for GMC 11
- Fix a spurious irq warning in the device remove case
- Fix possible power mode mismatch between driver and PMFW
- USB4 fix
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexdeucher@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230518174811.3841-1-alexander.deucher@amd.com
msm-fixes for v6.4-rc3
Display Fixes:
+ Catalog fixes:
- fix the programmable fetch lines and qos settings of msm8998
to match what is present downstream
- fix the LM pairs for msm8998 to match what is present downstream.
The current settings are not right as LMs with incompatible
connected blocks are paired
- remove unused INTF0 interrupt mask from SM6115/QCM2290 as there
is no INTF0 present on those chipsets. There is only one DSI on
index 1
- remove TE2 block from relevant chipsets because this is mainly
used for ping-pong split feature which is not supported upstream
and also for the chipsets where we are removing them in this
change, that block is not present as the tear check has been moved
to the intf block
- relocate non-MDP_TOP INTF_INTR offsets from dpu_hwio.h to
dpu_hw_interrupts.c to match where they belong
- fix the indentation for REV_7xxx interrupt masks
- fix the offset and version for dither blocks of SM8[34]50/SC8280XP
chipsets as it was incorrect
- make the ping-pong blk length 0 for appropriate chipsets as those
chipsets only have a dither ping-pong dither block but no other
functionality in the base ping-pong
- remove some duplicate register defines from INTF
+ Fix the log mask for the writeback block so that it can be enabled
correctly via debugfs
+ unregister the hdmi codec for dp during unbind otherwise it leaks
audio codec devices
+ Yaml change to fix warnings related to 'qcom,master-dsi' and
'qcom,sync-dual-dsi'
GPU Fixes:
+ fix submit error path leak
+ arm-smmu-qcom fix for regression that broke per-process page tables
+ fix no-iommu crash
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rob Clark <robdclark@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/CAF6AEGvHEcJfp=k6qatmb_SvAeyvy3CBpaPfwLqtNthuEzA_7w@mail.gmail.com
- Fix below build warning by marking them as 'static inline'
drivers/gpu/drm/exynos/exynos_drm_g2d.h:37:5: error: no previous prototype for 'g2d_open'
drivers/gpu/drm/exynos/exynos_drm_g2d.h:42:5: error: no previous prototype for 'g2d_close'
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Merge tag 'exynos-drm-fixes-for-v6.4-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos into drm-fixes
Just one fixup to exynos_drm_g2d module.
- Fix below build warning by marking them as 'static inline'
drivers/gpu/drm/exynos/exynos_drm_g2d.h:37:5: error: no previous prototype for 'g2d_open'
drivers/gpu/drm/exynos/exynos_drm_g2d.h:42:5: error: no previous prototype for 'g2d_close'
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Inki Dae <inki.dae@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230515083943.43933-1-inki.dae@samsung.com
issues, or aren't considered suitable for backporting.
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Merge tag 'mm-hotfixes-stable-2023-05-18-15-52' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"Eight hotfixes. Four are cc:stable, the other four are for post-6.4
issues, or aren't considered suitable for backporting"
* tag 'mm-hotfixes-stable-2023-05-18-15-52' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
MAINTAINERS: Cleanup Arm Display IP maintainers
MAINTAINERS: repair pattern in DIALOG SEMICONDUCTOR DRIVERS
nilfs2: fix use-after-free bug of nilfs_root in nilfs_evict_inode()
mm: fix zswap writeback race condition
mm: kfence: fix false positives on big endian
zsmalloc: move LRU update from zs_map_object() to zs_malloc()
mm: shrinkers: fix race condition on debugfs cleanup
maple_tree: make maple state reusable after mas_empty_area()
- Initialize 'ret' local variables on fprobe_handler() to fix the smatch
warning. With this, fprobe function exit handler is not working
randomly.
- Fix to use preempt_enable/disable_notrace for rethook handler to
prevent recursive call of fprobe exit handler (which is based on
rethook)
- Fix recursive call issue on fprobe_kprobe_handler().
- Fix to detect recursive call on fprobe_exit_handler().
- Fix to make all arch-dependent rethook code notrace.
(the arch-independent code is already notrace)
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Merge tag 'probes-fixes-v6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull probes fixes from Masami Hiramatsu:
- Initialize 'ret' local variables on fprobe_handler() to fix the
smatch warning. With this, fprobe function exit handler is not
working randomly.
- Fix to use preempt_enable/disable_notrace for rethook handler to
prevent recursive call of fprobe exit handler (which is based on
rethook)
- Fix recursive call issue on fprobe_kprobe_handler()
- Fix to detect recursive call on fprobe_exit_handler()
- Fix to make all arch-dependent rethook code notrace (the
arch-independent code is already notrace)"
* tag 'probes-fixes-v6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
rethook, fprobe: do not trace rethook related functions
fprobe: add recursion detection in fprobe_exit_handler
fprobe: make fprobe_kprobe_handler recursion free
rethook: use preempt_{disable, enable}_notrace in rethook_trampoline_handler
tracing: fprobe: Initialize ret valiable to fix smatch error
bluetooth and netfilter.
Current release - regressions:
- ipv6: fix RCU splat in ipv6_route_seq_show()
- wifi: iwlwifi: disable RFI feature
Previous releases - regressions:
- tcp: fix possible sk_priority leak in tcp_v4_send_reset()
- tipc: do not update mtu if msg_max is too small in mtu negotiation
- netfilter: fix null deref on element insertion
- devlink: change per-devlink netdev notifier to static one
- phylink: fix ksettings_set() ethtool call
- wifi: mac80211: fortify the spinlock against deadlock by interrupt
- wifi: brcmfmac: check for probe() id argument being NULL
- eth: ice:
- fix undersized tx_flags variable
- fix ice VF reset during iavf initialization
- eth: hns3: fix sending pfc frames after reset issue
Previous releases - always broken:
- xfrm: release all offloaded policy memory
- nsh: use correct mac_offset to unwind gso skb in nsh_gso_segment()
- vsock: avoid to close connected socket after the timeout
- dsa: rzn1-a5psw: enable management frames for CPU port
- eth: virtio_net: fix error unwinding of XDP initialization
- eth: tun: fix memory leak for detached NAPI queue.
Misc:
- MAINTAINERS: sctp: move Neil to CREDITS
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-6.4-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from can, xfrm, bluetooth and netfilter.
Current release - regressions:
- ipv6: fix RCU splat in ipv6_route_seq_show()
- wifi: iwlwifi: disable RFI feature
Previous releases - regressions:
- tcp: fix possible sk_priority leak in tcp_v4_send_reset()
- tipc: do not update mtu if msg_max is too small in mtu negotiation
- netfilter: fix null deref on element insertion
- devlink: change per-devlink netdev notifier to static one
- phylink: fix ksettings_set() ethtool call
- wifi: mac80211: fortify the spinlock against deadlock by interrupt
- wifi: brcmfmac: check for probe() id argument being NULL
- eth: ice:
- fix undersized tx_flags variable
- fix ice VF reset during iavf initialization
- eth: hns3: fix sending pfc frames after reset issue
Previous releases - always broken:
- xfrm: release all offloaded policy memory
- nsh: use correct mac_offset to unwind gso skb in nsh_gso_segment()
- vsock: avoid to close connected socket after the timeout
- dsa: rzn1-a5psw: enable management frames for CPU port
- eth: virtio_net: fix error unwinding of XDP initialization
- eth: tun: fix memory leak for detached NAPI queue.
Misc:
- MAINTAINERS: sctp: move Neil to CREDITS"
* tag 'net-6.4-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (107 commits)
MAINTAINERS: skip CCing netdev for Bluetooth patches
mdio_bus: unhide mdio_bus_init prototype
bridge: always declare tunnel functions
atm: hide unused procfs functions
net: isa: include net/Space.h
Revert "ARM: dts: stm32: add CAN support on stm32f746"
netfilter: nft_set_rbtree: fix null deref on element insertion
netfilter: nf_tables: fix nft_trans type confusion
netfilter: conntrack: define variables exp_nat_nla_policy and any_addr with CONFIG_NF_NAT
net: wwan: t7xx: Ensure init is completed before system sleep
net: selftests: Fix optstring
net: pcs: xpcs: fix C73 AN not getting enabled
net: wwan: iosm: fix NULL pointer dereference when removing device
vlan: fix a potential uninit-value in vlan_dev_hard_start_xmit()
mailmap: add entries for Nikolay Aleksandrov
igb: fix bit_shift to be in [1..8] range
net: dsa: mv88e6xxx: Fix mv88e6393x EPC write command offset
cassini: Fix a memory leak in the error handling path of cas_init_one()
tun: Fix memory leak for detached NAPI queue.
can: kvaser_pciefd: Disable interrupts in probe error path
...
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Merge tag 'media/v6.4-3' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fixes from Mauro Carvalho Chehab:
"Several fixes for the dvb core and drivers:
- fix UAF and null pointer de-reference in DVB core
- fix kernel runtime warning for blocking operation in wait_event*()
in dvb core
- fix write size bug in DVB conditional access core
- fix dvb demux continuity counter debug check logic
- randconfig build fixes in pvrusb2 and mn88443x
- fix memory leak in ttusb-dec
- fix netup_unidvb probe-time error check logic
- improve error handling in dw2102 if it can't retrieve DVB MAC
address"
* tag 'media/v6.4-3' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
media: dvb-core: Fix use-after-free due to race condition at dvb_ca_en50221
media: dvb-core: Fix kernel WARNING for blocking operation in wait_event*()
media: dvb-core: Fix use-after-free due to race at dvb_register_device()
media: dvb-core: Fix use-after-free due on race condition at dvb_net
media: dvb-core: Fix use-after-free on race condition at dvb_frontend
media: mn88443x: fix !CONFIG_OF error by drop of_match_ptr from ID table
media: ttusb-dec: fix memory leak in ttusb_dec_exit_dvb()
media: dvb_ca_en50221: fix a size write bug
media: netup_unidvb: fix irq init by register it at the end of probe
media: dvb-usb: dw2102: fix uninit-value in su3000_read_mac_address
media: dvb-usb: digitv: fix null-ptr-deref in digitv_i2c_xfer()
media: dvb-usb-v2: rtl28xxu: fix null-ptr-deref in rtl28xxu_i2c_xfer
media: dvb-usb-v2: ce6230: fix null-ptr-deref in ce6230_i2c_master_xfer()
media: dvb-usb-v2: ec168: fix null-ptr-deref in ec168_i2c_xfer()
media: dvb-usb: az6027: fix three null-ptr-deref in az6027_i2c_xfer()
media: netup_unidvb: fix use-after-free at del_timer()
media: dvb_demux: fix a bug for the continuity counter
media: pvrusb2: fix DVB_CORE dependency
Use dpia_validate_usb4_bw() function
Fixes: a8b537605e22 ("drm/amd/display: Add function pointer for validate bw usb4")
Reviewed-by: Roman Li <roman.li@amd.com>
Reviewed-by: Meenakshikumar Somasundaram <meenakshikumar.somasundaram@amd.com>
Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Mustapha Ghaddar <mghaddar@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
PMFW may boots the ASIC with a different power mode from the system's
real one. Notify PMFW explicitly the power mode the system in. This
is needed only when ACDC switch via gpio is not supported.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Kenneth Feng <kenneth.feng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
When performing device unbind or halt, we have disabled all irqs at the
very begining like amdgpu_pci_remove or amdgpu_device_halt. So
amdgpu_irq_put for irqs stored in fence driver should not be called
any more, otherwise, below calltrace will arrive.
[ 139.114088] WARNING: CPU: 2 PID: 1550 at drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c:616 amdgpu_irq_put+0xf6/0x110 [amdgpu]
[ 139.114655] Call Trace:
[ 139.114655] <TASK>
[ 139.114657] amdgpu_fence_driver_hw_fini+0x93/0x130 [amdgpu]
[ 139.114836] amdgpu_device_fini_hw+0xb6/0x350 [amdgpu]
[ 139.114955] amdgpu_driver_unload_kms+0x51/0x70 [amdgpu]
[ 139.115075] amdgpu_pci_remove+0x63/0x160 [amdgpu]
[ 139.115193] ? __pm_runtime_resume+0x64/0x90
[ 139.115195] pci_device_remove+0x3a/0xb0
[ 139.115197] device_remove+0x43/0x70
[ 139.115198] device_release_driver_internal+0xbd/0x140
Signed-off-by: Guchun Chen <guchun.chen@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Implement get_vbios_fb_size() so we can properly reserve
the vbios splash screen to avoid potential artifacts on the
screen during the transition from the pre-OS console to the
OS console.
Acked-by: Sunil Khatri <sunil.khatri@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org # 6.1.x
Due to the raven2 and raven/picasso maybe have the same GC_HWIP version.
So differentiate them by revision id.
Signed-off-by: shanshengwang <shansheng.wang@amd.com>
Signed-off-by: Jesse Zhang <Jesse.Zhang@amd.com>
Acked-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Otherwise we get a full system lock (looks like a FW mess).
Copied the order from the GFX9 powergating code.
Fixes: 366468ff6c34 ("drm/amdgpu: Allow GfxOff on Vangogh as default")
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2545
Signed-off-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Tested-by: Guilherme G. Piccoli <gpiccoli@igalia.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
When the MClientSnap reqeust's op is not CEPH_SNAP_OP_SPLIT the
request may still contain a list of 'split_realms', and we need
to skip it anyway. Or it will be parsed as a corrupt snaptrace.
Cc: stable@vger.kernel.org
Link: https://tracker.ceph.com/issues/61200
Reported-by: Frank Schilder <frans@dtu.dk>
Signed-off-by: Xiubo Li <xiubli@redhat.com>
Reviewed-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Smatch static checker warning:
fs/ceph/mds_client.c:3968 reconnect_caps_cb()
warn: missing error code here? '__get_cap_for_mds()' failed. 'err' = '0'
[ idryomov: Dan says that Smatch considers it intentional only if the
"ret = 0;" assignment is within 4 or 5 lines of the goto. ]
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Xiubo Li <xiubli@redhat.com>
Reviewed-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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Merge tag 'linux-can-fixes-for-6.4-20230518' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can
Marc Kleine-Budde says:
====================
pull-request: can 2023-05-18
this is a pull request of 7 patches for net/master.
The first 6 patches are by Jimmy Assarsson and fix several bugs in the
kvaser_pciefd driver.
The latest patch is from me and reverts a change in stm32f746.dtsi
that causes build errors due to a missing dependent patch.
* tag 'linux-can-fixes-for-6.4-20230518' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can:
Revert "ARM: dts: stm32: add CAN support on stm32f746"
can: kvaser_pciefd: Disable interrupts in probe error path
can: kvaser_pciefd: Do not send EFLUSH command on TFD interrupt
can: kvaser_pciefd: Empty SRB buffer in probe
can: kvaser_pciefd: Call request_irq() before enabling interrupts
can: kvaser_pciefd: Clear listen-only bit if not explicitly requested
can: kvaser_pciefd: Set CAN_STATE_STOPPED in kvaser_pciefd_stop()
====================
Link: https://lore.kernel.org/r/20230518073241.1110453-1-mkl@pengutronix.de
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'nf-23-05-17' of https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf
Florian Westphal says:
====================
Netfilter fixes for net
1. Silence warning about unused variable when CONFIG_NF_NAT=n, from Tom Rix.
2. nftables: Fix possible out-of-bounds access, from myself.
3. nftables: fix null deref+UAF during element insertion into rbtree,
also from myself.
* tag 'nf-23-05-17' of https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf:
netfilter: nft_set_rbtree: fix null deref on element insertion
netfilter: nf_tables: fix nft_trans type confusion
netfilter: conntrack: define variables exp_nat_nla_policy and any_addr with CONFIG_NF_NAT
====================
Link: https://lore.kernel.org/r/20230517123756.7353-1-fw@strlen.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
A lot of fixes this time, for both the stack and the drivers. The
brcmfmac resume fix has been reported by several people so I would say
it's the most important here. The iwlwifi RFI workaround is also
something which was reported as a regression recently.
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Merge tag 'wireless-2023-05-17' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless
Kalle Valo says:
====================
wireless fixes for v6.4
A lot of fixes this time, for both the stack and the drivers. The
brcmfmac resume fix has been reported by several people so I would say
it's the most important here. The iwlwifi RFI workaround is also
something which was reported as a regression recently.
* tag 'wireless-2023-05-17' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless: (31 commits)
wifi: b43: fix incorrect __packed annotation
wifi: rtw88: sdio: Always use two consecutive bytes for word operations
mac80211_hwsim: fix memory leak in hwsim_new_radio_nl
wifi: iwlwifi: mvm: Add locking to the rate read flow
wifi: iwlwifi: Don't use valid_links to iterate sta links
wifi: iwlwifi: mvm: don't trust firmware n_channels
wifi: iwlwifi: mvm: fix OEM's name in the tas approved list
wifi: iwlwifi: fix OEM's name in the ppag approved list
wifi: iwlwifi: mvm: fix initialization of a return value
wifi: iwlwifi: mvm: fix access to fw_id_to_mac_id
wifi: iwlwifi: fw: fix DBGI dump
wifi: iwlwifi: mvm: fix number of concurrent link checks
wifi: iwlwifi: mvm: fix cancel_delayed_work_sync() deadlock
wifi: iwlwifi: mvm: don't double-init spinlock
wifi: iwlwifi: mvm: always free dup_data
wifi: mac80211: recalc chanctx mindef before assigning
wifi: mac80211: consider reserved chanctx for mindef
wifi: mac80211: simplify chanctx allocation
wifi: mac80211: Abort running color change when stopping the AP
wifi: mac80211: fix min center freq offset tracing
...
====================
Link: https://lore.kernel.org/r/20230517151914.B0AF6C433EF@smtp.kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
mdio_bus_init() is either used as a local module_init() entry,
or it gets called in phy_device.c. In the former case, there
is no declaration, which causes a warning:
drivers/net/phy/mdio_bus.c:1371:12: error: no previous prototype for 'mdio_bus_init' [-Werror=missing-prototypes]
Remove the #ifdef around the declaration to avoid the warning..
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20230516194625.549249-4-arnd@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
When CONFIG_BRIDGE_VLAN_FILTERING is disabled, two functions are still
defined but have no prototype or caller. This causes a W=1 warning for
the missing prototypes:
net/bridge/br_netlink_tunnel.c:29:6: error: no previous prototype for 'vlan_tunid_inrange' [-Werror=missing-prototypes]
net/bridge/br_netlink_tunnel.c:199:5: error: no previous prototype for 'br_vlan_tunnel_info' [-Werror=missing-prototypes]
The functions are already contitional on CONFIG_BRIDGE_VLAN_FILTERING,
and I coulnd't easily figure out the right set of #ifdefs, so just
move the declarations out of the #ifdef to avoid the warning,
at a small cost in code size over a more elaborate fix.
Fixes: 188c67dd1906 ("net: bridge: vlan options: add support for tunnel id dumping")
Fixes: 569da0822808 ("net: bridge: vlan options: add support for tunnel mapping set/del")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://lore.kernel.org/r/20230516194625.549249-3-arnd@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
When CONFIG_PROC_FS is disabled, the function declarations for some
procfs functions are hidden, but the definitions are still build,
as shown by this compiler warning:
net/atm/resources.c:403:7: error: no previous prototype for 'atm_dev_seq_start' [-Werror=missing-prototypes]
net/atm/resources.c:409:6: error: no previous prototype for 'atm_dev_seq_stop' [-Werror=missing-prototypes]
net/atm/resources.c:414:7: error: no previous prototype for 'atm_dev_seq_next' [-Werror=missing-prototypes]
Add another #ifdef to leave these out of the build.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20230516194625.549249-2-arnd@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The legacy drivers that still get called from net/Space.c have prototypes
in net/Space, but this header is not included in most of the files that
define those functions:
drivers/net/ethernet/cirrus/cs89x0.c:1649:28: error: no previous prototype for 'cs89x0_probe' [-Werror=missing-prototypes]
drivers/net/ethernet/8390/ne.c:947:28: error: no previous prototype for 'ne_probe' [-Werror=missing-prototypes]
drivers/net/ethernet/8390/smc-ultra.c:167:28: error: no previous prototype for 'ultra_probe' [-Werror=missing-prototypes]
drivers/net/ethernet/amd/lance.c:438:28: error: no previous prototype for 'lance_probe' [-Werror=missing-prototypes]
drivers/net/ethernet/3com/3c515.c:422:20: error: no previous prototype for 'tc515_probe' [-Werror=missing-prototypes]
Add the inclusion to avoids the warnings.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20230516194625.549249-1-arnd@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Some people have moved to different roles and are no longer involved in
the upstream development. As there is only one person left, remove the
mailing list as well as it serves no purpose.
Link: https://lkml.kernel.org/r/20230510122811.1872358-1-liviu.dudau@arm.com
Signed-off-by: Liviu Dudau <liviu.dudau@arm.com>
Acked-by: Brian Starkey <brian.starkey@arm.com>
Cc: Mihail Atanassov <mihail.atanassov@arm.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Joe Perches <joe@perches.com> # "Please use --order"
Cc: Mihail Atanassov <mihail.atanassov@arm.com>
Cc: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Commit 361104b05684c ("dt-bindings: mfd: Convert da9063 to yaml") converts
da9063.txt to dlg,da9063.yaml and adds a new file pattern in MAINTAINERS.
Unfortunately, the file pattern matches da90*.yaml, but the yaml file is
prefixed with dlg,da90.
Hence, ./scripts/get_maintainer.pl --self-test=patterns complains about a
broken file pattern.
Repair this file pattern in DIALOG SEMICONDUCTOR DRIVERS.
Link: https://lkml.kernel.org/r/20230509074834.21521-1-lukas.bulwahn@gmail.com
Fixes: 361104b05684c ("dt-bindings: mfd: Convert da9063 to yaml")
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Cc: Lee Jones <lee@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
During unmount process of nilfs2, nothing holds nilfs_root structure after
nilfs2 detaches its writer in nilfs_detach_log_writer(). However, since
nilfs_evict_inode() uses nilfs_root for some cleanup operations, it may
cause use-after-free read if inodes are left in "garbage_list" and
released by nilfs_dispose_list() at the end of nilfs_detach_log_writer().
Fix this issue by modifying nilfs_evict_inode() to only clear inode
without additional metadata changes that use nilfs_root if the file system
is degraded to read-only or the writer is detached.
Link: https://lkml.kernel.org/r/20230509152956.8313-1-konishi.ryusuke@gmail.com
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Reported-by: syzbot+78d4495558999f55d1da@syzkaller.appspotmail.com
Closes: https://lkml.kernel.org/r/00000000000099e5ac05fb1c3b85@google.com
Tested-by: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
The zswap writeback mechanism can cause a race condition resulting in
memory corruption, where a swapped out page gets swapped in with data that
was written to a different page.
The race unfolds like this:
1. a page with data A and swap offset X is stored in zswap
2. page A is removed off the LRU by zpool driver for writeback in
zswap-shrink work, data for A is mapped by zpool driver
3. user space program faults and invalidates page entry A, offset X is
considered free
4. kswapd stores page B at offset X in zswap (zswap could also be
full, if so, page B would then be IOed to X, then skip step 5.)
5. entry A is replaced by B in tree->rbroot, this doesn't affect the
local reference held by zswap-shrink work
6. zswap-shrink work writes back A at X, and frees zswap entry A
7. swapin of slot X brings A in memory instead of B
The fix:
Once the swap page cache has been allocated (case ZSWAP_SWAPCACHE_NEW),
zswap-shrink work just checks that the local zswap_entry reference is
still the same as the one in the tree. If it's not the same it means that
it's either been invalidated or replaced, in both cases the writeback is
aborted because the local entry contains stale data.
Reproducer:
I originally found this by running `stress` overnight to validate my work
on the zswap writeback mechanism, it manifested after hours on my test
machine. The key to make it happen is having zswap writebacks, so
whatever setup pumps /sys/kernel/debug/zswap/written_back_pages should do
the trick.
In order to reproduce this faster on a vm, I setup a system with ~100M of
available memory and a 500M swap file, then running `stress --vm 1
--vm-bytes 300000000 --vm-stride 4000` makes it happen in matter of tens
of minutes. One can speed things up even more by swinging
/sys/module/zswap/parameters/max_pool_percent up and down between, say, 20
and 1; this makes it reproduce in tens of seconds. It's crucial to set
`--vm-stride` to something other than 4096 otherwise `stress` won't
realize that memory has been corrupted because all pages would have the
same data.
Link: https://lkml.kernel.org/r/20230503151200.19707-1-cerasuolodomenico@gmail.com
Signed-off-by: Domenico Cerasuolo <cerasuolodomenico@gmail.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Reviewed-by: Chris Li (Google) <chrisl@kernel.org>
Cc: Dan Streetman <ddstreet@ieee.org>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Nitin Gupta <ngupta@vflare.org>
Cc: Seth Jennings <sjenning@redhat.com>
Cc: Vitaly Wool <vitaly.wool@konsulko.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Since commit 1ba3cbf3ec3b ("mm: kfence: improve the performance of
__kfence_alloc() and __kfence_free()"), kfence reports failures in random
places at boot on big endian machines.
The problem is that the new KFENCE_CANARY_PATTERN_U64 encodes the address
of each byte in its value, so it needs to be byte swapped on big endian
machines.
The compiler is smart enough to do the le64_to_cpu() at compile time, so
there is no runtime overhead.
Link: https://lkml.kernel.org/r/20230505035127.195387-1-mpe@ellerman.id.au
Fixes: 1ba3cbf3ec3b ("mm: kfence: improve the performance of __kfence_alloc() and __kfence_free()")
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Reviewed-by: Alexander Potapenko <glider@google.com>
Reviewed-by: Marco Elver <elver@google.com>
Cc: Peng Zhang <zhangpeng.00@bytedance.com>
Cc: David Laight <David.Laight@ACULAB.COM>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Under memory pressure, we sometimes observe the following crash:
[ 5694.832838] ------------[ cut here ]------------
[ 5694.842093] list_del corruption, ffff888014b6a448->next is LIST_POISON1 (dead000000000100)
[ 5694.858677] WARNING: CPU: 33 PID: 418824 at lib/list_debug.c:47 __list_del_entry_valid+0x42/0x80
[ 5694.961820] CPU: 33 PID: 418824 Comm: fuse_counters.s Kdump: loaded Tainted: G S 5.19.0-0_fbk3_rc3_hoangnhatpzsdynshrv41_10870_g85a9558a25de #1
[ 5694.990194] Hardware name: Wiwynn Twin Lakes MP/Twin Lakes Passive MP, BIOS YMM16 05/24/2021
[ 5695.007072] RIP: 0010:__list_del_entry_valid+0x42/0x80
[ 5695.017351] Code: 08 48 83 c2 22 48 39 d0 74 24 48 8b 10 48 39 f2 75 2c 48 8b 51 08 b0 01 48 39 f2 75 34 c3 48 c7 c7 55 d7 78 82 e8 4e 45 3b 00 <0f> 0b eb 31 48 c7 c7 27 a8 70 82 e8 3e 45 3b 00 0f 0b eb 21 48 c7
[ 5695.054919] RSP: 0018:ffffc90027aef4f0 EFLAGS: 00010246
[ 5695.065366] RAX: 41fe484987275300 RBX: ffff888008988180 RCX: 0000000000000000
[ 5695.079636] RDX: ffff88886006c280 RSI: ffff888860060480 RDI: ffff888860060480
[ 5695.093904] RBP: 0000000000000002 R08: 0000000000000000 R09: ffffc90027aef370
[ 5695.108175] R10: 0000000000000000 R11: ffffffff82fdf1c0 R12: 0000000010000002
[ 5695.122447] R13: ffff888014b6a448 R14: ffff888014b6a420 R15: 00000000138dc240
[ 5695.136717] FS: 00007f23a7d3f740(0000) GS:ffff888860040000(0000) knlGS:0000000000000000
[ 5695.152899] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5695.164388] CR2: 0000560ceaab6ac0 CR3: 000000001c06c001 CR4: 00000000007706e0
[ 5695.178659] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5695.192927] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5695.207197] PKRU: 55555554
[ 5695.212602] Call Trace:
[ 5695.217486] <TASK>
[ 5695.221674] zs_map_object+0x91/0x270
[ 5695.229000] zswap_frontswap_store+0x33d/0x870
[ 5695.237885] ? do_raw_spin_lock+0x5d/0xa0
[ 5695.245899] __frontswap_store+0x51/0xb0
[ 5695.253742] swap_writepage+0x3c/0x60
[ 5695.261063] shrink_page_list+0x738/0x1230
[ 5695.269255] shrink_lruvec+0x5ec/0xcd0
[ 5695.276749] ? shrink_slab+0x187/0x5f0
[ 5695.284240] ? mem_cgroup_iter+0x6e/0x120
[ 5695.292255] shrink_node+0x293/0x7b0
[ 5695.299402] do_try_to_free_pages+0xea/0x550
[ 5695.307940] try_to_free_pages+0x19a/0x490
[ 5695.316126] __folio_alloc+0x19ff/0x3e40
[ 5695.323971] ? __filemap_get_folio+0x8a/0x4e0
[ 5695.332681] ? walk_component+0x2a8/0xb50
[ 5695.340697] ? generic_permission+0xda/0x2a0
[ 5695.349231] ? __filemap_get_folio+0x8a/0x4e0
[ 5695.357940] ? walk_component+0x2a8/0xb50
[ 5695.365955] vma_alloc_folio+0x10e/0x570
[ 5695.373796] ? walk_component+0x52/0xb50
[ 5695.381634] wp_page_copy+0x38c/0xc10
[ 5695.388953] ? filename_lookup+0x378/0xbc0
[ 5695.397140] handle_mm_fault+0x87f/0x1800
[ 5695.405157] do_user_addr_fault+0x1bd/0x570
[ 5695.413520] exc_page_fault+0x5d/0x110
[ 5695.421017] asm_exc_page_fault+0x22/0x30
After some investigation, I have found the following issue: unlike other
zswap backends, zsmalloc performs the LRU list update at the object
mapping time, rather than when the slot for the object is allocated.
This deviation was discussed and agreed upon during the review process
of the zsmalloc writeback patch series:
https://lore.kernel.org/lkml/Y3flcAXNxxrvy3ZH@cmpxchg.org/
Unfortunately, this introduces a subtle bug that occurs when there is a
concurrent store and reclaim, which interleave as follows:
zswap_frontswap_store() shrink_worker()
zs_malloc() zs_zpool_shrink()
spin_lock(&pool->lock) zs_reclaim_page()
zspage = find_get_zspage()
spin_unlock(&pool->lock)
spin_lock(&pool->lock)
zspage = list_first_entry(&pool->lru)
list_del(&zspage->lru)
zspage->lru.next = LIST_POISON1
zspage->lru.prev = LIST_POISON2
spin_unlock(&pool->lock)
zs_map_object()
spin_lock(&pool->lock)
if (!list_empty(&zspage->lru))
list_del(&zspage->lru)
CHECK_DATA_CORRUPTION(next == LIST_POISON1) /* BOOM */
With the current upstream code, this issue rarely happens. zswap only
triggers writeback when the pool is already full, at which point all
further store attempts are short-circuited. This creates an implicit
pseudo-serialization between reclaim and store. I am working on a new
zswap shrinking mechanism, which makes interleaving reclaim and store
more likely, exposing this bug.
zbud and z3fold do not have this problem, because they perform the LRU
list update in the alloc function, while still holding the pool's lock.
This patch fixes the aforementioned bug by moving the LRU update back to
zs_malloc(), analogous to zbud and z3fold.
Link: https://lkml.kernel.org/r/20230505185054.2417128-1-nphamcs@gmail.com
Fixes: 64f768c6b32e ("zsmalloc: add a LRU to zs_pool to keep track of zspages in LRU order")
Signed-off-by: Nhat Pham <nphamcs@gmail.com>
Suggested-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Reviewed-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Acked-by: Minchan Kim <minchan@kernel.org>
Cc: Dan Streetman <ddstreet@ieee.org>
Cc: Nitin Gupta <ngupta@vflare.org>
Cc: Seth Jennings <sjenning@redhat.com>
Cc: Vitaly Wool <vitaly.wool@konsulko.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
When something registers and unregisters many shrinkers, such as:
for x in $(seq 10000); do unshare -Ui true; done
Sometimes the following error is printed to the kernel log:
debugfs: Directory '...' with parent 'shrinker' already present!
This occurs since commit badc28d4924b ("mm: shrinkers: fix deadlock in
shrinker debugfs") / v6.2: Since the call to `debugfs_remove_recursive`
was moved outside the `shrinker_rwsem`/`shrinker_mutex` lock, but the call
to `ida_free` stayed inside, a newly registered shrinker can be
re-assigned that ID and attempt to create the debugfs directory before the
directory from the previous shrinker has been removed.
The locking changes in commit f95bdb700bc6 ("mm: vmscan: make global slab
shrink lockless") made the race condition more likely, though it existed
before then.
Commit badc28d4924b ("mm: shrinkers: fix deadlock in shrinker debugfs")
could be reverted since the issue is addressed should no longer occur
since the count and scan operations are lockless since commit 20cd1892fcc3
("mm: shrinkers: make count and scan in shrinker debugfs lockless").
However, since this is a contended lock, prefer instead moving `ida_free`
outside the lock to avoid the race.
Link: https://lkml.kernel.org/r/20230503013232.299211-1-joanbrugueram@gmail.com
Fixes: badc28d4924b ("mm: shrinkers: fix deadlock in shrinker debugfs")
Signed-off-by: Joan Bruguera Micó <joanbrugueram@gmail.com>
Cc: Qi Zheng <zhengqi.arch@bytedance.com>
Cc: Roman Gushchin <roman.gushchin@linux.dev>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Make mas->min and mas->max point to a node range instead of a leaf entry
range. This allows mas to still be usable after mas_empty_area() returns.
Users would get unexpected results from other operations on the maple
state after calling the affected function.
For example, x86 MAP_32BIT mmap() acts as if there is no suitable gap when
there should be one.
Link: https://lkml.kernel.org/r/20230505145829.74574-1-zhangpeng.00@bytedance.com
Fixes: 54a611b60590 ("Maple Tree: add new data structure")
Signed-off-by: Peng Zhang <zhangpeng.00@bytedance.com>
Reported-by: "Edgecombe, Rick P" <rick.p.edgecombe@intel.com>
Reported-by: Tad <support@spotco.us>
Reported-by: Michael Keyes <mgkeyes@vigovproductions.net>
Link: https://lore.kernel.org/linux-mm/32f156ba80010fd97dbaf0a0cdfc84366608624d.camel@intel.com/
Link: https://lore.kernel.org/linux-mm/e6108286ac025c268964a7ead3aab9899f9bc6e9.camel@spotco.us/
Reviewed-by: Liam R. Howlett <Liam.Howlett@oracle.com>
Tested-by: Rick Edgecombe <rick.p.edgecombe@intel.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
These functions are already marked as NOKPROBE to prevent recursion and
we have the same reason to blacklist them if rethook is used with fprobe,
since they are beyond the recursion-free region ftrace can guard.
Link: https://lore.kernel.org/all/20230517034510.15639-5-zegao@tencent.com/
Fixes: f3a112c0c40d ("x86,rethook,kprobes: Replace kretprobe with rethook on x86")
Signed-off-by: Ze Gao <zegao@tencent.com>
Reviewed-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Cc: stable@vger.kernel.org
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
fprobe_hander and fprobe_kprobe_handler has guarded ftrace recursion
detection but fprobe_exit_handler has not, which possibly introduce
recursive calls if the fprobe exit callback calls any traceable
functions. Checking in fprobe_hander or fprobe_kprobe_handler
is not enough and misses this case.
So add recursion free guard the same way as fprobe_hander. Since
ftrace recursion check does not employ ip(s), so here use entry_ip and
entry_parent_ip the same as fprobe_handler.
Link: https://lore.kernel.org/all/20230517034510.15639-4-zegao@tencent.com/
Fixes: 5b0ab78998e3 ("fprobe: Add exit_handler support")
Signed-off-by: Ze Gao <zegao@tencent.com>
Cc: stable@vger.kernel.org
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Current implementation calls kprobe related functions before doing
ftrace recursion check in fprobe_kprobe_handler, which opens door
to kernel crash due to stack recursion if preempt_count_{add, sub}
is traceable in kprobe_busy_{begin, end}.
Things goes like this without this patch quoted from Steven:
"
fprobe_kprobe_handler() {
kprobe_busy_begin() {
preempt_disable() {
preempt_count_add() { <-- trace
fprobe_kprobe_handler() {
[ wash, rinse, repeat, CRASH!!! ]
"
By refactoring the common part out of fprobe_kprobe_handler and
fprobe_handler and call ftrace recursion detection at the very beginning,
the whole fprobe_kprobe_handler is free from recursion.
[ Fix the indentation of __fprobe_handler() parameters. ]
Link: https://lore.kernel.org/all/20230517034510.15639-3-zegao@tencent.com/
Fixes: ab51e15d535e ("fprobe: Introduce FPROBE_FL_KPROBE_SHARED flag for fprobe")
Signed-off-by: Ze Gao <zegao@tencent.com>
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Cc: stable@vger.kernel.org
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
This patch replaces preempt_{disable, enable} with its corresponding
notrace version in rethook_trampoline_handler so no worries about stack
recursion or overflow introduced by preempt_count_{add, sub} under
fprobe + rethook context.
Link: https://lore.kernel.org/all/20230517034510.15639-2-zegao@tencent.com/
Fixes: 54ecbe6f1ed5 ("rethook: Add a generic return hook")
Signed-off-by: Ze Gao <zegao@tencent.com>
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
This Kselftest fixes update for Linux 6.4-rc3 consists of:
- sgx test fix for false negatives.
- ftrace output is hard to parses and it masks inappropriate skips etc.
This fix addresses the problems by integrating with kselftest runner.
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Merge tag 'linux-kselftest-fixes-6.4-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull Kselftest fixes from Shuah Khan:
- sgx test fix for false negatives
- ftrace output is hard to parses and it masks inappropriate skips etc.
This fix addresses the problems by integrating with kselftest runner
* tag 'linux-kselftest-fixes-6.4-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests/ftrace: Improve integration with kselftest runner
selftests/sgx: Add "test_encl.elf" to TEST_FILES
