from platform_get_irq() so that deferred probing still works
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Merge tag 'edac_urgent_for_v5.17_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras
Pull EDAC fixes from Borislav Petkov:
"Fix altera and xgene EDAC drivers to propagate the correct error code
from platform_get_irq() so that deferred probing still works"
* tag 'edac_urgent_for_v5.17_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras:
EDAC/xgene: Fix deferred probing
EDAC/altera: Fix deferred probing
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Merge tag 'for-linus-5.17a-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes from Juergen Gross:
- documentation fixes related to Xen
- enable x2apic mode when available when running as hardware
virtualized guest under Xen
- cleanup and fix a corner case of vcpu enumeration when running a
paravirtualized Xen guest
* tag 'for-linus-5.17a-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
x86/Xen: streamline (and fix) PV CPU enumeration
xen: update missing ioctl magic numers documentation
Improve docs for IOCTL_GNTDEV_MAP_GRANT_REF
xen: xenbus_dev.h: delete incorrect file name
xen/x2apic: enable x2apic mode when supported for HVM
* A couple of fixes when handling an exception while a SError has been delivered
* Workaround for Cortex-A510's single-step erratum
RISCV:
* Make CY, TM, and IR counters accessible in VU mode
* Fix SBI implementation version
x86:
* Report deprecation of x87 features in supported CPUID
* Preparation for fixing an interrupt delivery race on AMD hardware
* Sparse fix
All except POWER and s390:
* Rework guest entry code to correctly mark noinstr areas and fix vtime'
accounting (for x86, this was already mostly correct but not entirely;
for ARM, MIPS and RISC-V it wasn't)
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
"ARM:
- A couple of fixes when handling an exception while a SError has
been delivered
- Workaround for Cortex-A510's single-step erratum
RISC-V:
- Make CY, TM, and IR counters accessible in VU mode
- Fix SBI implementation version
x86:
- Report deprecation of x87 features in supported CPUID
- Preparation for fixing an interrupt delivery race on AMD hardware
- Sparse fix
All except POWER and s390:
- Rework guest entry code to correctly mark noinstr areas and fix
vtime' accounting (for x86, this was already mostly correct but not
entirely; for ARM, MIPS and RISC-V it wasn't)"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: x86: Use ERR_PTR_USR() to return -EFAULT as a __user pointer
KVM: x86: Report deprecated x87 features in supported CPUID
KVM: arm64: Workaround Cortex-A510's single-step and PAC trap errata
KVM: arm64: Stop handle_exit() from handling HVC twice when an SError occurs
KVM: arm64: Avoid consuming a stale esr value when SError occur
RISC-V: KVM: Fix SBI implementation version
RISC-V: KVM: make CY, TM, and IR counters accessible in VU mode
kvm/riscv: rework guest entry logic
kvm/arm64: rework guest entry logic
kvm/x86: rework guest entry logic
kvm/mips: rework guest entry logic
kvm: add guest_state_{enter,exit}_irqoff()
KVM: x86: Move delivery of non-APICv interrupt into vendor code
kvm: Move KVM_GET_XSAVE2 IOCTL definition at the end of kvm.h
- Fix fallocate so that it drops all file privileges when files are
modified instead of open-coding that incompletely.
- Fix fallocate to flush the log if the caller wanted synchronous file
updates.
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Merge tag 'xfs-5.17-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull xfs fixes from Darrick Wong:
"I was auditing operations in XFS that clear file privileges, and
realized that XFS' fallocate implementation drops suid/sgid but
doesn't clear file capabilities the same way that file writes and
reflink do.
There are VFS helpers that do it correctly, so refactor XFS to use
them. I also noticed that we weren't flushing the log at the correct
point in the fallocate operation, so that's fixed too.
Summary:
- Fix fallocate so that it drops all file privileges when files are
modified instead of open-coding that incompletely.
- Fix fallocate to flush the log if the caller wanted synchronous
file updates"
* tag 'xfs-5.17-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: ensure log flush at the end of a synchronous fallocate call
xfs: move xfs_update_prealloc_flags() to xfs_pnfs.c
xfs: set prealloc flag in xfs_alloc_file_space()
xfs: fallocate() should call file_modified()
xfs: remove XFS_PREALLOC_SYNC
xfs: reject crazy array sizes being fed to XFS_IOC_GETBMAP*
- Fix a bug where callers of ->sync_fs (e.g. sync_filesystem and
syncfs(2)) ignore the return value.
- Fix a bug where callers of sync_filesystem (e.g. fs freeze) ignore
the return value.
- Fix a bug in XFS where xfs_fs_sync_fs never passed back error
returns.
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Merge tag 'vfs-5.17-fixes-2' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull vfs fixes from Darrick Wong:
"I was auditing the sync_fs code paths recently and noticed that most
callers of ->sync_fs ignore its return value (and many implementations
never return nonzero even if the fs is broken!), which means that
internal fs errors and corruption are not passed up to userspace
callers of syncfs(2) or FIFREEZE. Hence fixing the common code and
XFS, and I'll start working on the ext4/btrfs folks if this is merged.
Summary:
- Fix a bug where callers of ->sync_fs (e.g. sync_filesystem and
syncfs(2)) ignore the return value.
- Fix a bug where callers of sync_filesystem (e.g. fs freeze) ignore
the return value.
- Fix a bug in XFS where xfs_fs_sync_fs never passed back error
returns"
* tag 'vfs-5.17-fixes-2' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: return errors in xfs_fs_sync_fs
quota: make dquot_quota_sync return errors from ->sync_fs
vfs: make sync_filesystem return errors from ->sync_fs
vfs: make freeze_super abort when sync_filesystem returns error
- Limit the length of ioend chains in writeback so that we don't trip
the softlockup watchdog and to limit long tail latency on clearing
PageWriteback.
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Merge tag 'iomap-5.17-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull iomap fix from Darrick Wong:
"A single bugfix for iomap.
The fix should eliminate occasional complaints about stall warnings
when a lot of writeback IO completes all at once and we have to then
go clearing status on a large number of folios.
Summary:
- Limit the length of ioend chains in writeback so that we don't trip
the softlockup watchdog and to limit long tail latency on clearing
PageWriteback"
* tag 'iomap-5.17-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs, iomap: limit individual ioend chain lengths in writeback
- A couple of fixes when handling an exception while a SError has been
delivered
- Workaround for Cortex-A510's single-step[ erratum
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Merge tag 'kvmarm-fixes-5.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm64 fixes for 5.17, take #2
- A couple of fixes when handling an exception while a SError has been
delivered
- Workaround for Cortex-A510's single-step[ erratum
Some medium sized bugs in the various drivers. A couple are more recent
regressions:
- Fix two panics in hfi1 and two allocation problems
- Send the IGMP to the correct address in cma
- Squash a syzkaller bug related to races reading the multicast list
- Memory leak in siw and cm
- Fix a corner case spec compliance for HFI/QIB
- Correct the implementation of fences in siw
- Error unwind bug in mlx4
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull rdma fixes from Jason Gunthorpe:
"Some medium sized bugs in the various drivers. A couple are more
recent regressions:
- Fix two panics in hfi1 and two allocation problems
- Send the IGMP to the correct address in cma
- Squash a syzkaller bug related to races reading the multicast list
- Memory leak in siw and cm
- Fix a corner case spec compliance for HFI/QIB
- Correct the implementation of fences in siw
- Error unwind bug in mlx4"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
RDMA/mlx4: Don't continue event handler after memory allocation failure
RDMA/siw: Fix broken RDMA Read Fence/Resume logic.
IB/rdmavt: Validate remote_addr during loopback atomic tests
IB/cm: Release previously acquired reference counter in the cm_id_priv
RDMA/siw: Fix refcounting leak in siw_create_qp()
RDMA/ucma: Protect mc during concurrent multicast leaves
RDMA/cma: Use correct address when leaving multicast group
IB/hfi1: Fix tstats alloc and dealloc
IB/hfi1: Fix AIP early init panic
IB/hfi1: Fix alloc failure with larger txqueuelen
IB/hfi1: Fix panic with larger ipoib send_queue_size
Seven fixes, six of which are fairly obvious driver fixes. The one
core change to the device budget depth is to try to ensure that if the
default depth is large (which can produce quite a sizeable bitmap
allocation per device), we give back the memory we don't need if
there's a queue size reduction in slave_configure (which happens to a
lot of devices).
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:
"Seven fixes, six of which are fairly obvious driver fixes.
The one core change to the device budget depth is to try to ensure
that if the default depth is large (which can produce quite a sizeable
bitmap allocation per device), we give back the memory we don't need
if there's a queue size reduction in slave_configure (which happens to
a lot of devices)"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: hisi_sas: Fix setting of hisi_sas_slot.is_internal
scsi: pm8001: Fix use-after-free for aborted SSP/STP sas_task
scsi: pm8001: Fix use-after-free for aborted TMF sas_task
scsi: pm8001: Fix warning for undescribed param in process_one_iomb()
scsi: core: Reallocate device's budget map on queue depth change
scsi: bnx2fc: Make bnx2fc_recv_frame() mp safe
scsi: pm80xx: Fix double completion for SATA devices
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Merge tag 'pci-v5.17-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull pci fixes from Bjorn Helgaas:
- Restructure j721e_pcie_probe() so we don't dereference a NULL pointer
(Bjorn Helgaas)
- Add a kirin_pcie_data struct to identify different Kirin variants to
fix probe failure for controllers with an internal PHY (Bjorn
Helgaas)
* tag 'pci-v5.17-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
PCI: kirin: Add dev struct for of_device_get_match_data()
PCI: j721e: Initialize pcie->cdns_pcie before using it
Bean reported that a622435fbe ("PCI: kirin: Prefer
of_device_get_match_data()") broke kirin_pcie_probe() because it assumed
match data of 0 was a failure when in fact, it meant the match data was
"(void *)PCIE_KIRIN_INTERNAL_PHY".
Therefore, probing of "hisilicon,kirin960-pcie" devices failed with -EINVAL
and an "OF data missing" message.
Add a struct kirin_pcie_data to encode the PHY type. Then the result of
of_device_get_match_data() should always be a non-NULL pointer to a struct
kirin_pcie_data that contains the PHY type.
Fixes: a622435fbe ("PCI: kirin: Prefer of_device_get_match_data()")
Link: https://lore.kernel.org/r/20220202162659.GA12603@bhelgaas
Link: https://lore.kernel.org/r/20220201215941.1203155-1-huobean@gmail.com
Reported-by: Bean Huo <beanhuo@micron.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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Merge tag 'for-5.17-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fixes from David Sterba:
"A few fixes and error handling improvements:
- fix deadlock between quota disable and qgroup rescan worker
- fix use-after-free after failure to create a snapshot
- skip warning on unmount after log cleanup failure
- don't start transaction for scrub if the fs is mounted read-only
- tree checker verifies item sizes"
* tag 'for-5.17-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: skip reserved bytes warning on unmount after log cleanup failure
btrfs: fix use of uninitialized variable at rm device ioctl
btrfs: fix use-after-free after failure to create a snapshot
btrfs: tree-checker: check item_size for dev_item
btrfs: tree-checker: check item_size for inode_item
btrfs: fix deadlock between quota disable and qgroup rescan worker
btrfs: don't start transaction for scrub if the fs is mounted read-only
- fix fsdax partition offset misbehavior;
- clean up z_erofs_decompressqueue_work() declaration;
- fix up EOF lcluster inlining, especially for small compressed data.
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Merge tag 'erofs-for-5.17-rc3-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs
Pull erofs fixes from Gao Xiang:
"Two fixes related to fsdax cleanup in this cycle and ztailpacking to
fix small compressed data inlining. There is also a trivial cleanup to
rearrange code for better reading.
Summary:
- fix fsdax partition offset misbehavior
- clean up z_erofs_decompressqueue_work() declaration
- fix up EOF lcluster inlining, especially for small compressed data"
* tag 'erofs-for-5.17-rc3-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs:
erofs: fix small compressed files inlining
erofs: avoid unnecessary z_erofs_decompressqueue_work() declaration
erofs: fix fsdax partition offset handling
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Merge tag 'block-5.17-2022-02-04' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
- NVMe pull request
- fix use-after-free in rdma and tcp controller reset (Sagi Grimberg)
- fix the state check in nvmf_ctlr_matches_baseopts (Uday Shankar)
- MD nowait null pointer fix (Song)
- blk-integrity seed advance fix (Martin)
- Fix a dio regression in this merge window (Ilya)
* tag 'block-5.17-2022-02-04' of git://git.kernel.dk/linux-block:
block: bio-integrity: Advance seed correctly for larger interval sizes
nvme-fabrics: fix state check in nvmf_ctlr_matches_baseopts()
md: fix NULL pointer deref with nowait but no mddev->queue
block: fix DIO handling regressions in blkdev_read_iter()
nvme-rdma: fix possible use-after-free in transport error_recovery work
nvme-tcp: fix possible use-after-free in transport error_recovery work
nvme: fix a possible use-after-free in controller reset during load
* Sergey volunteered to be a reviewer for the Renesas R-Car SATA
driver and PATA drivers. Update the MAINTAINERS file accordingly.
* Regression fix: add a horkage flag to prevent accessing the log
directory log page with SATADOM-ML 3ME SATA devices as they react
badly to reading that log page (from Anton).
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Merge tag 'ata-5.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata
Pull ATA fixes from Damien Le Moal:
- Sergey volunteered to be a reviewer for the Renesas R-Car SATA driver
and PATA drivers. Update the MAINTAINERS file accordingly.
- Regression fix: add a horkage flag to prevent accessing the log
directory log page with SATADOM-ML 3ME SATA devices as they react
badly to reading that log page (from Anton).
* tag 'ata-5.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata:
ata: libata-core: Introduce ATA_HORKAGE_NO_LOG_DIR horkage
MAINTAINERS: add myself as Renesas R-Car SATA driver reviewer
MAINTAINERS: add myself as PATA drivers reviewer
Including:
- Warning fixes and a fix for a potential use-after-free in
IOMMU core code
- Another potential memory leak fix for the Intel VT-d driver
- Fix for an IO polling loop timeout issue in the AMD IOMMU
driver
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Merge tag 'iommu-fixes-v5.17-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull iommu fixes from Joerg Roedel:
- Warning fixes and a fix for a potential use-after-free in IOMMU core
code
- Another potential memory leak fix for the Intel VT-d driver
- Fix for an IO polling loop timeout issue in the AMD IOMMU driver
* tag 'iommu-fixes-v5.17-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
iommu/amd: Fix loop timeout issue in iommu_ga_log_enable()
iommu/vt-d: Fix potential memory leak in intel_setup_irq_remapping()
iommu: Fix some W=1 warnings
iommu: Fix potential use-after-free during probe
Pull random number generator fixes from Jason Donenfeld:
"For this week, we have:
- A fix to make more frequent use of hwgenerator randomness, from
Dominik.
- More cleanups to the boot initialization sequence, from Dominik.
- A fix for an old shortcoming with the ZAP ioctl, from me.
- A workaround for a still unfixed Clang CFI/FullLTO compiler bug,
from me. On one hand, it's a bummer to commit workarounds for
experimental compiler features that have bugs. But on the other, I
think this actually improves the code somewhat, independent of the
bug. So a win-win"
* tag 'random-5.17-rc3-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random:
random: only call crng_finalize_init() for primary_crng
random: access primary_pool directly rather than through pointer
random: wake up /dev/random writers after zap
random: continually use hwgenerator randomness
lib/crypto: blake2s: avoid indirect calls to compression function for Clang CFI
Fix compilation in the case when ACPI is selected and CRC32, depended
on by ACPI after recent changes, is not (Randy Dunlap).
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Merge tag 'acpi-5.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fix from Rafael Wysocki:
"Fix compilation in the case when ACPI is selected and CRC32, depended
on by ACPI after recent changes, is not (Randy Dunlap)"
* tag 'acpi-5.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: require CRC32 to build
A collection of small fixes. The major changes are ASoC core fixes,
addressing the DPCM locking issue after the recent code changes and
the potentially invalid register accesses via control API. Also,
HD-audio got a core fix for Oops at dynamic unbinding.
The rest are device-specific small fixes, including the usual stuff
like HD-audio and USB-audio quirks.
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Merge tag 'sound-5.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A collection of small fixes.
The major changes are ASoC core fixes, addressing the DPCM locking
issue after the recent code changes and the potentially invalid
register accesses via control API. Also, HD-audio got a core fix for
Oops at dynamic unbinding.
The rest are device-specific small fixes, including the usual stuff
like HD-audio and USB-audio quirks"
* tag 'sound-5.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (31 commits)
ALSA: hda: Skip codec shutdown in case the codec is not registered
ALSA: usb-audio: Correct quirk for VF0770
ALSA: Replace acpi_bus_get_device()
Input: wm97xx: Simplify resource management
ALSA: hda/realtek: Add quirk for ASUS GU603
ALSA: hda/realtek: Fix silent output on Gigabyte X570 Aorus Xtreme after reboot from Windows
ALSA: hda/realtek: Fix silent output on Gigabyte X570S Aorus Master (newer chipset)
ALSA: hda/realtek: Add missing fixup-model entry for Gigabyte X570 ALC1220 quirks
ALSA: hda: realtek: Fix race at concurrent COEF updates
ASoC: ops: Check for negative values before reading them
ASoC: rt5682: Fix deadlock on resume
ASoC: hdmi-codec: Fix OOB memory accesses
ASoC: soc-pcm: Move debugfs removal out of spinlock
ASoC: soc-pcm: Fix DPCM lockdep warning due to nested stream locks
ASoC: fsl: Add missing error handling in pcm030_fabric_probe
ALSA: hda: Fix signedness of sscanf() arguments
ALSA: usb-audio: initialize variables that could ignore errors
ALSA: hda: Fix UAF of leds class devs at unbinding
ASoC: qdsp6: q6apm-dai: only stop graphs that are started
ASoC: codecs: wcd938x: fix return value of mixer put function
...
fbdev:
- readd fbcon acceleration
i915:
- fix DP monitor via type-c dock
- fix for engine busyness and read timeout with GuC
- use ALLOW_FAIL for error capture buffer allocs
- don't use interruptible lock on error paths
- smatch fix to reject zero sized overlays.
amdgpu:
- mGPU fan boost fix for beige goby
- S0ix fixes
- Cyan skillfish hang fix
- DCN fixes for DCN 3.1
- DCN fixes for DCN 3.01
- Apple retina panel fix
- ttm logic inversion fix
dma-buf:
- heaps: fix potential spectre v1 gadget
kmb:
- fix potential oob access
mxsfb:
- fix NULL ptr deref
nouveau:
- fix potential oob access during BIOS decode
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Merge tag 'drm-fixes-2022-02-04' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"Regular fixes for the week. Daniel has agreed to bring back the fbcon
hw acceleration under a CONFIG option for the non-drm fbdev users, we
don't advise turning this on unless you are in the niche that is old
fbdev drivers, Since it's essentially a revert and shouldn't be high
impact seemed like a good time to do it now.
Otherwise, i915 and amdgpu fixes are most of it, along with some minor
fixes elsewhere.
fbdev:
- readd fbcon acceleration
i915:
- fix DP monitor via type-c dock
- fix for engine busyness and read timeout with GuC
- use ALLOW_FAIL for error capture buffer allocs
- don't use interruptible lock on error paths
- smatch fix to reject zero sized overlays.
amdgpu:
- mGPU fan boost fix for beige goby
- S0ix fixes
- Cyan skillfish hang fix
- DCN fixes for DCN 3.1
- DCN fixes for DCN 3.01
- Apple retina panel fix
- ttm logic inversion fix
dma-buf:
- heaps: fix potential spectre v1 gadget
kmb:
- fix potential oob access
mxsfb:
- fix NULL ptr deref
nouveau:
- fix potential oob access during BIOS decode"
* tag 'drm-fixes-2022-02-04' of git://anongit.freedesktop.org/drm/drm: (24 commits)
drm: mxsfb: Fix NULL pointer dereference
drm/amdgpu: fix logic inversion in check
drm/amd: avoid suspend on dGPUs w/ s2idle support when runtime PM enabled
drm/amd/display: Force link_rate as LINK_RATE_RBR2 for 2018 15" Apple Retina panels
drm/amd/display: revert "Reset fifo after enable otg"
drm/amd/display: watermark latencies is not enough on DCN31
drm/amd/display: Update watermark values for DCN301
drm/amdgpu: fix a potential GPU hang on cyan skillfish
drm/amd: Only run s3 or s0ix if system is configured properly
drm/amd: add support to check whether the system is set to s3
fbcon: Add option to enable legacy hardware acceleration
Revert "fbcon: Disable accelerated scrolling"
Revert "fbdev: Garbage collect fbdev scrolling acceleration, part 1 (from TODO list)"
drm/i915/pmu: Fix KMD and GuC race on accessing busyness
dma-buf: heaps: Fix potential spectre v1 gadget
drm/amd: Warn users about potential s0ix problems
drm/amd/pm: correct the MGpuFanBoost support for Beige Goby
drm/nouveau: fix off by one in BIOS boundary checking
drm/i915/adlp: Fix TypeC PHY-ready status readout
drm/i915/pmu: Use PM timestamp instead of RING TIMESTAMP for reference
...
Merge misc fixes from Andrew Morton:
"10 patches.
Subsystems affected by this patch series: ipc, MAINTAINERS, and mm
(vmscan, debug, pagemap, kmemleak, and selftests)"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
kselftest/vm: revert "tools/testing/selftests/vm/userfaultfd.c: use swap() to make code cleaner"
MAINTAINERS: update rppt's email
mm/kmemleak: avoid scanning potential huge holes
ipc/sem: do not sleep with a spin lock held
mm/pgtable: define pte_index so that preprocessor could recognize it
mm/page_table_check: check entries at pmd levels
mm/khugepaged: unify collapse pmd clear, flush and free
mm/page_table_check: use unsigned long for page counters and cleanup
mm/debug_vm_pgtable: remove pte entry from the page table
Revert "mm/page_isolation: unset migratetype directly for non Buddy page"
crng_finalize_init() returns instantly if it is called for another pool
than primary_crng. The test whether crng_finalize_init() is still required
can be moved to the relevant caller in crng_reseed(), and
crng_need_final_init can be reset to false if crng_finalize_init() is
called with workqueues ready. Then, no previous callsite will call
crng_finalize_init() unless it is needed, and we can get rid of the
superfluous function parameter.
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Both crng_initialize_primary() and crng_init_try_arch_early() are
only called for the primary_pool. Accessing it directly instead of
through a function parameter simplifies the code.
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
When account() is called, and the amount of entropy dips below
random_write_wakeup_bits, we wake up the random writers, so that they
can write some more in. However, the RNDZAPENTCNT/RNDCLEARPOOL ioctl
sets the entropy count to zero -- a potential reduction just like
account() -- but does not unblock writers. This commit adds the missing
logic to that ioctl to unblock waiting writers.
Reviewed-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
The rngd kernel thread may sleep indefinitely if the entropy count is
kept above random_write_wakeup_bits by other entropy sources. To make
best use of multiple sources of randomness, mix entropy from hardware
RNGs into the pool at least once within CRNG_RESEED_INTERVAL.
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
blake2s_compress_generic is weakly aliased by blake2s_compress. The
current harness for function selection uses a function pointer, which is
ordinarily inlined and resolved at compile time. But when Clang's CFI is
enabled, CFI still triggers when making an indirect call via a weak
symbol. This seems like a bug in Clang's CFI, as though it's bucketing
weak symbols and strong symbols differently. It also only seems to
trigger when "full LTO" mode is used, rather than "thin LTO".
[ 0.000000][ T0] Kernel panic - not syncing: CFI failure (target: blake2s_compress_generic+0x0/0x1444)
[ 0.000000][ T0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.16.0-mainline-06981-g076c855b846e #1
[ 0.000000][ T0] Hardware name: MT6873 (DT)
[ 0.000000][ T0] Call trace:
[ 0.000000][ T0] dump_backtrace+0xfc/0x1dc
[ 0.000000][ T0] dump_stack_lvl+0xa8/0x11c
[ 0.000000][ T0] panic+0x194/0x464
[ 0.000000][ T0] __cfi_check_fail+0x54/0x58
[ 0.000000][ T0] __cfi_slowpath_diag+0x354/0x4b0
[ 0.000000][ T0] blake2s_update+0x14c/0x178
[ 0.000000][ T0] _extract_entropy+0xf4/0x29c
[ 0.000000][ T0] crng_initialize_primary+0x24/0x94
[ 0.000000][ T0] rand_initialize+0x2c/0x6c
[ 0.000000][ T0] start_kernel+0x2f8/0x65c
[ 0.000000][ T0] __primary_switched+0xc4/0x7be4
[ 0.000000][ T0] Rebooting in 5 seconds..
Nonetheless, the function pointer method isn't so terrific anyway, so
this patch replaces it with a simple boolean, which also gets inlined
away. This successfully works around the Clang bug.
In general, I'm not too keen on all of the indirection involved here; it
clearly does more harm than good. Hopefully the whole thing can get
cleaned up down the road when lib/crypto is overhauled more
comprehensively. But for now, we go with a simple bandaid.
Fixes: 6048fdcc5f ("lib/crypto: blake2s: include as built-in")
Link: https://github.com/ClangBuiltLinux/linux/issues/1567
Reported-by: Miles Chen <miles.chen@mediatek.com>
Tested-by: Miles Chen <miles.chen@mediatek.com>
Tested-by: Nathan Chancellor <nathan@kernel.org>
Tested-by: John Stultz <john.stultz@linaro.org>
Acked-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
to avoid checksum or authentication tag mismatches and ensuing session
resets in case the destination buffer isn't guaranteed to be stable.
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Merge tag 'ceph-for-5.17-rc3' of git://github.com/ceph/ceph-client
Pull ceph fixes from Ilya Dryomov:
"A patch to make it possible to disable zero copy path in the messenger
to avoid checksum or authentication tag mismatches and ensuing session
resets in case the destination buffer isn't guaranteed to be stable"
* tag 'ceph-for-5.17-rc3' of git://github.com/ceph/ceph-client:
libceph: optionally use bounce buffer on recv path in crc mode
libceph: make recv path in secure mode work the same as send path
the 9p 'walk' operation requires fid arguments to not originate from
an open or create call and we've missed that for a while as the
servers regularly running tests with don't enforce the check and
no active reviewer knew about the rule.
Both reporters confirmed reverting this patch fixes things for them
and looking at it further wasn't actually required...
Will take more time for follow up and enforcing the rule more
thoroughly later.
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Merge tag '9p-for-5.17-rc3' of git://github.com/martinetd/linux
Pull 9p fix from Dominique Martinet:
"Fix 'cannot walk open fid' rule
The 9p 'walk' operation requires fid arguments to not originate from
an open or create call and we've missed that for a while as the
servers regularly running tests with don't enforce the check and no
active reviewer knew about the rule.
Both reporters confirmed reverting this patch fixes things for them
and looking at it further wasn't actually required... Will take more
time for follow up and enforcing the rule more thoroughly later"
* tag '9p-for-5.17-rc3' of git://github.com/martinetd/linux:
Revert "fs/9p: search open fids first"
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Merge tag '5.17-rc3-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs fixes from Steve French:
"SMB3 client fixes including:
- multiple fscache related fixes, reenabling ability to read/write to
cached files for cifs.ko (that was temporarily disabled for cifs.ko
a few weeks ago due to the recent fscache changes)
- also includes a new fscache helper function ("query_occupancy")
used by above
- fix for multiuser mounts and NTLMSSP auth (workstation name) for
stable
- fix locking ordering problem in multichannel code
- trivial malformed comment fix"
* tag '5.17-rc3-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: fix workstation_name for multiuser mounts
Invalidate fscache cookie only when inode attributes are changed.
cifs: Fix the readahead conversion to manage the batch when reading from cache
cifs: Implement cache I/O by accessing the cache directly
netfs, cachefiles: Add a method to query presence of data in the cache
cifs: Transition from ->readpages() to ->readahead()
cifs: unlock chan_lock before calling cifs_put_tcp_session
Fix a warning about a malformed kernel doc comment in cifs
With this change, userfaultfd fails to build with undefined reference
swap() error:
userfaultfd.c: In function `userfaultfd_stress':
userfaultfd.c:1530:17: warning: implicit declaration of function `swap'; did you mean `swab'? [-Wimplicit-function-declaration]
1530 | swap(area_src, area_dst);
| ^~~~
| swab
/usr/bin/ld: /tmp/ccDGOAdV.o: in function `userfaultfd_stress':
userfaultfd.c:(.text+0x549e): undefined reference to `swap'
/usr/bin/ld: userfaultfd.c:(.text+0x54bc): undefined reference to `swap'
collect2: error: ld returned 1 exit status
Revert the commit to fix the problem.
Link: https://lkml.kernel.org/r/20220202003340.87195-1-skhan@linuxfoundation.org
Fixes: 2c769ed713 ("tools/testing/selftests/vm/userfaultfd.c: use swap() to make code cleaner")
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Minghao Chi <chi.minghao@zte.com.cn>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Use my @kernel.org address
Link: https://lkml.kernel.org/r/20220203090324.3701774-1-rppt@kernel.org
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
When using devm_request_free_mem_region() and devm_memremap_pages() to
add ZONE_DEVICE memory, if requested free mem region's end pfn were
huge(e.g., 0x400000000), the node_end_pfn() will be also huge (see
move_pfn_range_to_zone()). Thus it creates a huge hole between
node_start_pfn() and node_end_pfn().
We found on some AMD APUs, amdkfd requested such a free mem region and
created a huge hole. In such a case, following code snippet was just
doing busy test_bit() looping on the huge hole.
for (pfn = start_pfn; pfn < end_pfn; pfn++) {
struct page *page = pfn_to_online_page(pfn);
if (!page)
continue;
...
}
So we got a soft lockup:
watchdog: BUG: soft lockup - CPU#6 stuck for 26s! [bash:1221]
CPU: 6 PID: 1221 Comm: bash Not tainted 5.15.0-custom #1
RIP: 0010:pfn_to_online_page+0x5/0xd0
Call Trace:
? kmemleak_scan+0x16a/0x440
kmemleak_write+0x306/0x3a0
? common_file_perm+0x72/0x170
full_proxy_write+0x5c/0x90
vfs_write+0xb9/0x260
ksys_write+0x67/0xe0
__x64_sys_write+0x1a/0x20
do_syscall_64+0x3b/0xc0
entry_SYSCALL_64_after_hwframe+0x44/0xae
I did some tests with the patch.
(1) amdgpu module unloaded
before the patch:
real 0m0.976s
user 0m0.000s
sys 0m0.968s
after the patch:
real 0m0.981s
user 0m0.000s
sys 0m0.973s
(2) amdgpu module loaded
before the patch:
real 0m35.365s
user 0m0.000s
sys 0m35.354s
after the patch:
real 0m1.049s
user 0m0.000s
sys 0m1.042s
Link: https://lkml.kernel.org/r/20211108140029.721144-1-lang.yu@amd.com
Signed-off-by: Lang Yu <lang.yu@amd.com>
Acked-by: David Hildenbrand <david@redhat.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Since commit 974b9b2c68 ("mm: consolidate pte_index() and
pte_offset_*() definitions") pte_index is a static inline and there is
no define for it that can be recognized by the preprocessor. As a
result, vm_insert_pages() uses slower loop over vm_insert_page() instead
of insert_pages() that amortizes the cost of spinlock operations when
inserting multiple pages.
Link: https://lkml.kernel.org/r/20220111145457.20748-1-rppt@kernel.org
Fixes: 974b9b2c68 ("mm: consolidate pte_index() and pte_offset_*() definitions")
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Reported-by: Christian Dietrich <stettberger@dokucode.de>
Reviewed-by: Khalid Aziz <khalid.aziz@oracle.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
syzbot detected a case where the page table counters were not properly
updated.
syzkaller login: ------------[ cut here ]------------
kernel BUG at mm/page_table_check.c:162!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 3099 Comm: pasha Not tainted 5.16.0+ #48
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIO4
RIP: 0010:__page_table_check_zero+0x159/0x1a0
Call Trace:
free_pcp_prepare+0x3be/0xaa0
free_unref_page+0x1c/0x650
free_compound_page+0xec/0x130
free_transhuge_page+0x1be/0x260
__put_compound_page+0x90/0xd0
release_pages+0x54c/0x1060
__pagevec_release+0x7c/0x110
shmem_undo_range+0x85e/0x1250
...
The repro involved having a huge page that is split due to uprobe event
temporarily replacing one of the pages in the huge page. Later the huge
page was combined again, but the counters were off, as the PTE level was
not properly updated.
Make sure that when PMD is cleared and prior to freeing the level the
PTEs are updated.
Link: https://lkml.kernel.org/r/20220131203249.2832273-5-pasha.tatashin@soleen.com
Fixes: df4e817b71 ("mm: page table check")
Signed-off-by: Pasha Tatashin <pasha.tatashin@soleen.com>
Acked-by: David Rientjes <rientjes@google.com>
Cc: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Cc: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Greg Thelen <gthelen@google.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Slaby <jirislaby@kernel.org>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Muchun Song <songmuchun@bytedance.com>
Cc: Paul Turner <pjt@google.com>
Cc: Wei Xu <weixugc@google.com>
Cc: Will Deacon <will@kernel.org>
Cc: Zi Yan <ziy@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Unify the code that flushes, clears pmd entry, and frees the PTE table
level into a new function collapse_and_free_pmd().
This cleanup is useful as in the next patch we will add another call to
this function to iterate through PTE prior to freeing the level for page
table check.
Link: https://lkml.kernel.org/r/20220131203249.2832273-4-pasha.tatashin@soleen.com
Signed-off-by: Pasha Tatashin <pasha.tatashin@soleen.com>
Acked-by: David Rientjes <rientjes@google.com>
Cc: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Cc: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Greg Thelen <gthelen@google.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Slaby <jirislaby@kernel.org>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Muchun Song <songmuchun@bytedance.com>
Cc: Paul Turner <pjt@google.com>
Cc: Wei Xu <weixugc@google.com>
Cc: Will Deacon <will@kernel.org>
Cc: Zi Yan <ziy@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Patch series "page table check fixes and cleanups", v5.
This patch (of 4):
The pte entry that is used in pte_advanced_tests() is never removed from
the page table at the end of the test.
The issue is detected by page_table_check, to repro compile kernel with
the following configs:
CONFIG_DEBUG_VM_PGTABLE=y
CONFIG_PAGE_TABLE_CHECK=y
CONFIG_PAGE_TABLE_CHECK_ENFORCED=y
During the boot the following BUG is printed:
debug_vm_pgtable: [debug_vm_pgtable ]: Validating architecture page table helpers
------------[ cut here ]------------
kernel BUG at mm/page_table_check.c:162!
invalid opcode: 0000 [#1] PREEMPT SMP PTI
CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.16.0-11413-g2c271fe77d52 #3
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.15.0-0-g2dd4b9b3f840-prebuilt.qemu.org 04/01/2014
...
The entry should be properly removed from the page table before the page
is released to the free list.
Link: https://lkml.kernel.org/r/20220131203249.2832273-1-pasha.tatashin@soleen.com
Link: https://lkml.kernel.org/r/20220131203249.2832273-2-pasha.tatashin@soleen.com
Fixes: a5c3b9ffb0 ("mm/debug_vm_pgtable: add tests validating advanced arch page table helpers")
Signed-off-by: Pasha Tatashin <pasha.tatashin@soleen.com>
Reviewed-by: Zi Yan <ziy@nvidia.com>
Tested-by: Zi Yan <ziy@nvidia.com>
Acked-by: David Rientjes <rientjes@google.com>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Paul Turner <pjt@google.com>
Cc: Wei Xu <weixugc@google.com>
Cc: Greg Thelen <gthelen@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Will Deacon <will@kernel.org>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Cc: Jiri Slaby <jirislaby@kernel.org>
Cc: Muchun Song <songmuchun@bytedance.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: <stable@vger.kernel.org> [5.9+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This reverts commit 721fb891ad.
Commit 721fb891ad ("mm/page_isolation: unset migratetype directly for
non Buddy page") will result memory that should in buddy disappear by
mistake. move_freepages_block moves all pages in pageblock instead of
pages indicated by input parameter, so if input pages is not in buddy
but other pages in pageblock is in buddy, it will result in page out of
control.
Link: https://lkml.kernel.org/r/20220126024436.13921-1-chenwandun@huawei.com
Fixes: 721fb891ad ("mm/page_isolation: unset migratetype directly for non Buddy page")
Signed-off-by: Chen Wandun <chenwandun@huawei.com>
Reported-by: "kernelci.org bot" <bot@kernelci.org>
Acked-by: David Hildenbrand <david@redhat.com>
Tested-by: Dong Aisheng <aisheng.dong@nxp.com>
Tested-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The polling loop for the register change in iommu_ga_log_enable() needs
to have a udelay() in it. Otherwise the CPU might be faster than the
IOMMU hardware and wrongly trigger the WARN_ON() further down the code
stream. Use a 10us for udelay(), has there is some hardware where
activation of the GA log can take more than a 100ms.
A future optimization should move the activation check of the GA log
to the point where it gets used for the first time. But that is a
bigger change and not suitable for a fix.
Fixes: 8bda0cfbdc ("iommu/amd: Detect and initialize guest vAPIC log")
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Link: https://lore.kernel.org/r/20220204115537.3894-1-joro@8bytes.org
CPUID.(EAX=7,ECX=0):EBX.FDP_EXCPTN_ONLY[bit 6] and
CPUID.(EAX=7,ECX=0):EBX.ZERO_FCS_FDS[bit 13] are "defeature"
bits. Unlike most of the other CPUID feature bits, these bits are
clear if the features are present and set if the features are not
present. These bits should be reported in KVM_GET_SUPPORTED_CPUID,
because if these bits are set on hardware, they cannot be cleared in
the guest CPUID. Doing so would claim guest support for a feature that
the hardware doesn't support and that can't be efficiently emulated.
Of course, any software (e.g WIN87EM.DLL) expecting these features to
be present likely predates these CPUID feature bits and therefore
doesn't know to check for them anyway.
Aaron Lewis added the corresponding X86_FEATURE macros in
commit cbb99c0f58 ("x86/cpufeatures: Add FDP_EXCPTN_ONLY and
ZERO_FCS_FDS"), with the intention of reporting these bits in
KVM_GET_SUPPORTED_CPUID, but I was unable to find a proposed patch on
the kvm list.
Opportunistically reordered the CPUID_7_0_EBX capability bits from
least to most significant.
Cc: Aaron Lewis <aaronlewis@google.com>
Signed-off-by: Jim Mattson <jmattson@google.com>
Message-Id: <20220204001348.2844660-1-jmattson@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
06f6c4c6c3 ("ata: libata: add missing ata_identify_page_supported() calls")
introduced additional calls to ata_identify_page_supported(), thus also
adding indirectly accesses to the device log directory log page through
ata_log_supported(). Reading this log page causes SATADOM-ML 3ME devices
to lock up.
Introduce the horkage flag ATA_HORKAGE_NO_LOG_DIR to prevent accesses to
the log directory in ata_log_supported() and add a blacklist entry
with this flag for "SATADOM-ML 3ME" devices.
Fixes: 636f6e2af4 ("libata: add horkage for missing Identify Device log")
Cc: stable@vger.kernel.org # v5.10+
Signed-off-by: Anton Lundin <glance@acc.umu.se>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Add myself as a reviewer for the Renesas R-Car SATA driver -- I don't have
the hardware anymore (Geert Uytterhoeven does have a lot of hardware!) but
I do have the manuals still! :-)
Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Fix GitLab issue #4698: DP monitor through Type-C dock(Dell DA310) doesn't work.
Fixes for inconsistent engine busyness value and read timeout with GuC.
Fix to use ALLOW_FAIL for error capture buffer allocation. Don't use
interruptible lock on error path. Smatch fix to reject zero sized overlays.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/YfuiG8SKMKP5V/Dm@jlahtine-mobl.ger.corp.intel.com
Prior to ztailpacking feature, it's enough that each lcluster has
two pclusters at most, and the last pcluster should be turned into
an uncompressed pcluster when necessary. For example,
_________________________________________________
|_ pcluster n-2 _|_ pcluster n-1 _|____ EOFed ____|
which should be converted into:
_________________________________________________
|_ pcluster n-2 _|_ pcluster n-1 (uncompressed)' _|
That is fine since either pcluster n-1 or (uncompressed)' takes one
physical block.
However, after ztailpacking was supported, the game is changed since
the last pcluster can be inlined now. And such case above is quite
common for inlining small files. Therefore, in order to inline more
effectively, special EOF lclusters are now supported which can have
three parts at most, as illustrated below:
_________________________________________________
|_ pcluster n-2 _|_ pcluster n-1 _|____ EOFed ____|
^ i_size
Actually similar code exists in Yue Hu's original patchset [1], but I
removed this part on purpose. After evaluating more real cases with
small files, I've changed my mind.
[1] https://lore.kernel.org/r/20211215094449.15162-1-huyue2@yulong.com
Link: https://lore.kernel.org/r/20220203190203.30794-1-xiang@kernel.org
Fixes: ab92184ff8 ("erofs: add on-disk compressed tail-packing inline support")
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.com>
Commit 309a62fa3a ("bio-integrity: bio_integrity_advance must update
integrity seed") added code to update the integrity seed value when
advancing a bio. However, it failed to take into account that the
integrity interval might be larger than the 512-byte block layer
sector size. This broke bio splitting on PI devices with 4KB logical
blocks.
The seed value should be advanced by bio_integrity_intervals() and not
the number of sectors.
Cc: Dmitry Monakhov <dmonakhov@openvz.org>
Cc: stable@vger.kernel.org
Fixes: 309a62fa3a ("bio-integrity: bio_integrity_advance must update integrity seed")
Tested-by: Dmitry Ivanov <dmitry.ivanov2@hpe.com>
Reported-by: Alexey Lyashkov <alexey.lyashkov@hpe.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Link: https://lore.kernel.org/r/20220204034209.4193-1-martin.petersen@oracle.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
While the stackleak plugin was already using notrace, objtool is now a
bit more picky. Update the notrace uses to noinstr. Silences the
following objtool warnings when building with:
CONFIG_DEBUG_ENTRY=y
CONFIG_STACK_VALIDATION=y
CONFIG_VMLINUX_VALIDATION=y
CONFIG_GCC_PLUGIN_STACKLEAK=y
vmlinux.o: warning: objtool: do_syscall_64()+0x9: call to stackleak_track_stack() leaves .noinstr.text section
vmlinux.o: warning: objtool: do_int80_syscall_32()+0x9: call to stackleak_track_stack() leaves .noinstr.text section
vmlinux.o: warning: objtool: exc_general_protection()+0x22: call to stackleak_track_stack() leaves .noinstr.text section
vmlinux.o: warning: objtool: fixup_bad_iret()+0x20: call to stackleak_track_stack() leaves .noinstr.text section
vmlinux.o: warning: objtool: do_machine_check()+0x27: call to stackleak_track_stack() leaves .noinstr.text section
vmlinux.o: warning: objtool: .text+0x5346e: call to stackleak_erase() leaves .noinstr.text section
vmlinux.o: warning: objtool: .entry.text+0x143: call to stackleak_erase() leaves .noinstr.text section
vmlinux.o: warning: objtool: .entry.text+0x10eb: call to stackleak_erase() leaves .noinstr.text section
vmlinux.o: warning: objtool: .entry.text+0x17f9: call to stackleak_erase() leaves .noinstr.text section
Note that the plugin's addition of calls to stackleak_track_stack() from
noinstr functions is expected to be safe, as it isn't runtime
instrumentation and is self-contained.
Cc: Alexander Popov <alex.popov@linux.com>
Suggested-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
