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5dbeeb268b
1413902 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Linus Torvalds
|
5dbeeb268b |
Driver core fixes for 6.19-rc7
- Always inline I/O and IRQ methods using build_assert!() to avoid
false positive build errors.
- Do not free the driver's device private data in I2C shutdown()
avoiding race conditions that can lead to UAF bugs.
- Drop the driver's device private data after the driver has been
fully unbound from its device to avoid UAF bugs from &Device<Bound>
scopes, such as IRQ callbacks.
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Merge tag 'driver-core-6.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/driver-core/driver-core
Pull driver core fixes from Danilo Krummrich:
- Always inline I/O and IRQ methods using build_assert!() to avoid
false positive build errors
- Do not free the driver's device private data in I2C shutdown()
avoiding race conditions that can lead to UAF bugs
- Drop the driver's device private data after the driver has been
fully unbound from its device to avoid UAF bugs from &Device<Bound>
scopes, such as IRQ callbacks
* tag 'driver-core-6.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/driver-core/driver-core:
rust: driver: drop device private data post unbind
rust: driver: add DriverData type to the DriverLayout trait
rust: driver: add DEVICE_DRIVER_OFFSET to the DriverLayout trait
rust: driver: introduce a DriverLayout trait
rust: auxiliary: add Driver::unbind() callback
rust: i2c: do not drop device private data on shutdown()
rust: irq: always inline functions using build_assert with arguments
rust: io: always inline functions using build_assert with arguments
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||
|
Linus Torvalds
|
12a0094839 |
Misc fixes:
- Fix auxiliary timekeeper update & locking bug
- Reduce the sensitivity of the clocksource watchdog, to
fix false positive measurements that marked the
TSC clocksource unstable.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'timers-urgent-2026-01-24' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fixes from Ingo Molnar:
- Fix auxiliary timekeeper update & locking bug
- Reduce the sensitivity of the clocksource watchdog,
to fix false positive measurements that marked the
TSC clocksource unstable
* tag 'timers-urgent-2026-01-24' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
clocksource: Reduce watchdog readout delay limit to prevent false positives
timekeeping: Adjust the leap state for the correct auxiliary timekeeper
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||
|
Linus Torvalds
|
af5a3fae86 |
Miscellaneous scheduler fixes:
- Fix PELT clock synchronization bug when entering idle
- Disable the NEXT_BUDDY feature, as during extensive testing
Mel found that the negatives outweigh the positives.
- Make wakeup preemption less aggressive, which resulted in
an unreasonable increase in preemption frequency.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'sched-urgent-2026-01-24' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Ingo Molnar:
- Fix PELT clock synchronization bug when entering idle
- Disable the NEXT_BUDDY feature, as during extensive testing
Mel found that the negatives outweigh the positives
- Make wakeup preemption less aggressive, which resulted in
an unreasonable increase in preemption frequency
* tag 'sched-urgent-2026-01-24' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/fair: Revert force wakeup preemption
sched/fair: Disable scheduler feature NEXT_BUDDY
sched/fair: Fix pelt clock sync when entering idle
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||
|
Linus Torvalds
|
ceaeaf66a2 |
Two perf events fixes:
- Fix mmap_count warning & bug when creating a group member event
with the PERF_FLAG_FD_OUTPUT flag.
- Disable the sample period == 1 branch events BTS optimization
on guests, because BTS is not virtualized.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'perf-urgent-2026-01-24' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf events fixes from Ingo Molnar:
- Fix mmap_count warning & bug when creating a group member event
with the PERF_FLAG_FD_OUTPUT flag
- Disable the sample period == 1 branch events BTS optimization
on guests, because BTS is not virtualized
* tag 'perf-urgent-2026-01-24' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/x86/intel: Do not enable BTS for guests
perf: Fix refcount warning on event->mmap_count increment
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||
|
Linus Torvalds
|
dc67a35505 |
Fix objtool build error in non-standard static library build
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||
|
Linus Torvalds
|
4fc8d3fcb9 |
Two irqchip driver fixes:
- Fix spurious interrupts during resume in the renesas-rzv2h driver
- Fix a 32+ bit physical memory truncation bug in the gic-v3-its
driver
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'irq-urgent-2026-01-24' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Ingo Molnar:
- Fix spurious interrupts during resume in the renesas-rzv2h driver
- Fix a 32+ bit physical memory truncation bug in the gic-v3-its driver
* tag 'irq-urgent-2026-01-24' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/gic-v3-its: Avoid truncating memory addresses
irqchip/renesas-rzv2h: Prevent TINT spurious interrupt during resume
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||
|
Linus Torvalds
|
4a51fe919b |
KVM/arm64 fixes for 6.19
- Ensure early return semantics are preserved for pKVM fault handlers
- Fix case where the kernel runs with the guest's PAN value when
CONFIG_ARM64_PAN is not set
- Make stage-1 walks to set the access flag respect the access
permission of the underlying stage-2, when enabled
- Propagate computed FGT values to the pKVM view of the vCPU at
vcpu_load()
- Correctly program PXN and UXN privilege bits for hVHE's stage-1 page
tables
- Check that the VM is actually using VGICv3 before accessing the GICv3
CPU interface
- Delete some unused code
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull arm64 kvm fixes from Paolo Bonzini:
- Ensure early return semantics are preserved for pKVM fault handlers
- Fix case where the kernel runs with the guest's PAN value when
CONFIG_ARM64_PAN is not set
- Make stage-1 walks to set the access flag respect the access
permission of the underlying stage-2, when enabled
- Propagate computed FGT values to the pKVM view of the vCPU at
vcpu_load()
- Correctly program PXN and UXN privilege bits for hVHE's stage-1 page
tables
- Check that the VM is actually using VGICv3 before accessing the GICv3
CPU interface
- Delete some unused code
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: arm64: Invert KVM_PGTABLE_WALK_HANDLE_FAULT to fix pKVM walkers
KVM: arm64: Don't blindly set set PSTATE.PAN on guest exit
KVM: arm64: nv: Respect stage-2 write permssion when setting stage-1 AF
KVM: arm64: Remove unused vcpu_{clear,set}_wfx_traps()
KVM: arm64: Remove unused parameter in synchronize_vcpu_pstate()
KVM: arm64: Remove extra argument for __pvkm_host_{share,unshare}_hyp()
KVM: arm64: Inject UNDEF for a register trap without accessor
KVM: arm64: Copy FGT traps to unprotected pKVM VCPU on VCPU load
KVM: arm64: Fix EL2 S1 XN handling for hVHE setups
KVM: arm64: gic: Check for vGICv3 when clearing TWI
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||
|
Paolo Bonzini
|
e89f0e9a0a |
KVM/arm64 fixes for 6.19
- Ensure early return semantics are preserved for pKVM fault handlers
- Fix case where the kernel runs with the guest's PAN value when
CONFIG_ARM64_PAN is not set
- Make stage-1 walks to set the access flag respect the access
permission of the underlying stage-2, when enabled
- Propagate computed FGT values to the pKVM view of the vCPU at
vcpu_load()
- Correctly program PXN and UXN privilege bits for hVHE's stage-1 page
tables
- Check that the VM is actually using VGICv3 before accessing the GICv3
CPU interface
- Delete some unused code
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Merge tag 'kvmarm-fixes-6.19-1' of https://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm64 fixes for 6.19
- Ensure early return semantics are preserved for pKVM fault handlers
- Fix case where the kernel runs with the guest's PAN value when
CONFIG_ARM64_PAN is not set
- Make stage-1 walks to set the access flag respect the access
permission of the underlying stage-2, when enabled
- Propagate computed FGT values to the pKVM view of the vCPU at
vcpu_load()
- Correctly program PXN and UXN privilege bits for hVHE's stage-1 page
tables
- Check that the VM is actually using VGICv3 before accessing the GICv3
CPU interface
- Delete some unused code
|
||
|
Linus Torvalds
|
62085877ae |
Second round of Kbuild fixes for 6.19
- Reduce possible complications when cross-compiling by increasing use
of ${NM} in check-function-names.sh
- Fix static linking of nconf
Cc: Carlos Llamas <cmllamas@google.com>
Cc: Arkadiusz Kozdra <floss@arusekk.pl>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: linux-kbuild@vger.kernel.org
Signed-off-by: Nicolas Schier <nsc@kernel.org>
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Merge tag 'kbuild-fixes-6.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kbuild/linux
Pull kbuild fixes from Nicolas Schier:
- Reduce possible complications when cross-compiling by increasing use
of ${NM} in check-function-names.sh
- Fix static linking of nconf
* tag 'kbuild-fixes-6.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kbuild/linux:
kconfig: fix static linking of nconf
kbuild: prefer ${NM} in check-function-names.sh
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||
|
Linus Torvalds
|
3a622041d7 |
s390 fixes for 6.19-rc7
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||
|
Linus Torvalds
|
e85d3e9d58 |
arm64 fixes:
- A set of fixes for FPSIMD/SVE/SME state management (around signal
handling and ptrace) where a task can be placed in an invalid state
- __nocfi added to swsusp_arch_resume() to avoid a data abort on
resuming from hibernate
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Catalin Marinas:
- A set of fixes for FPSIMD/SVE/SME state management (around signal
handling and ptrace) where a task can be placed in an invalid state
- __nocfi added to swsusp_arch_resume() to avoid a data abort on
resuming from hibernate
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: Set __nocfi on swsusp_arch_resume()
arm64/fpsimd: signal: Fix restoration of SVE context
arm64/fpsimd: signal: Allocate SSVE storage when restoring ZA
arm64/fpsimd: ptrace: Fix SVE writes on !SME systems
|
||
|
Linus Torvalds
|
6d06443237 |
three ksmbd server fixes
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||
|
Linus Torvalds
|
5bde837031 |
pci-v6.19-fixes-4
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||
|
Linus Torvalds
|
2a4d91142e |
platform-drivers-x86 for v6.19-3
Fixes and New HW Support
- acer-wmi:
- Extend support for Acer Nitro AN515-58
- Fix missing capability check
- amd/wbrf: Fix memory leak in wbrf_record()
- asus-armoury:
- Fix GA403U* matching
- Fix FA608UM TDP data
- Add many models
- asus-wmi: Move OOBE presence check outside deprecation ifdef
- docs:
- alienware-wmi: Typo fix
- amd_hsmp: Fix document link
- hp-bioscfg:
- Fix kernel panic in GET_INSTANCE_ID macro
- Fix kobject warnings for empty attribute names
- Correct GUID to uppercase (lowercase letter prevented autoloading
the module)
- mellanox: Fix SN5640/SN5610 LED platform data
The following is an automated shortlog grouped by driver:
acer-wmi:
- Extend support for Acer Nitro AN515-58
- Fix missing capability check
amd:
- Fix memory leak in wbrf_record()
asus-armoury:
- Add power limits for Asus G513QY
- add support for FA401UV
- add support for FA617XT
- add support for G835L
- add support for GA403UV
- add support for GA403WM
- add support for GA403WW
- add support for GV302XV
- fix ppt data for FA608UM
- fix ppt data for GA403U* renaming to GA403UI
- keep the list ordered alphabetically
asus-wmi:
- fix sending OOBE at probe
docs: alienware-wmi:
- fix typo
docs:
- fix PPR for AMD EPYC broken link
hp-bioscfg:
- Fix automatic module loading
- Fix kernel panic in GET_INSTANCE_ID macro
- Fix kobject warnings for empty attribute names
mellanox:
- Fix SN5640/SN5610 LED platform data
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Merge tag 'platform-drivers-x86-v6.19-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver fixes from Ilpo Järvinen:
- acer-wmi:
- Extend support for Acer Nitro AN515-58
- Fix missing capability check
- amd/wbrf: Fix memory leak in wbrf_record()
- asus-armoury:
- Fix GA403U* matching
- Fix FA608UM TDP data
- Add many models
- asus-wmi: Move OOBE presence check outside deprecation ifdef
- hp-bioscfg:
- Fix kernel panic in GET_INSTANCE_ID macro
- Fix kobject warnings for empty attribute names
- Correct GUID to uppercase (lowercase letter prevented autoloading
the module)
- mellanox: Fix SN5640/SN5610 LED platform data
- docs:
- alienware-wmi: Typo fix
- amd_hsmp: Fix document link
* tag 'platform-drivers-x86-v6.19-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (21 commits)
platform/x86: acer-wmi: Fix missing capability check
platform/x86: acer-wmi: Extend support for Acer Nitro AN515-58
platform/x86: asus-armoury: add support for GA403WW
platform/x86: asus-armoury: keep the list ordered alphabetically
platform/x86: asus-armoury: add support for G835L
platform/x86: asus-armoury: fix ppt data for FA608UM
platform/x86: hp-bioscfg: Fix automatic module loading
platform/x86: hp-bioscfg: Fix kernel panic in GET_INSTANCE_ID macro
platform/x86: hp-bioscfg: Fix kobject warnings for empty attribute names
platform/x86: asus-wmi: fix sending OOBE at probe
platform/x86: asus-armoury: add support for FA617XT
platform/x86: asus-armoury: add support for FA401UV
platform/x86: asus-armoury: add support for GV302XV
platform/x86: asus-armoury: Add power limits for Asus G513QY
platform/x86/amd: Fix memory leak in wbrf_record()
platform/mellanox: Fix SN5640/SN5610 LED platform data
docs: fix PPR for AMD EPYC broken link
docs: alienware-wmi: fix typo
platform/x86: asus-armoury: add support for GA403UV
asus-armoury: fix ppt data for GA403U* renaming to GA403UI
...
|
||
|
Linus Torvalds
|
9731fa48be |
pmdomain providers:
- imx: Remove incorrect reset/clock mask for 8mq vpu - rockchip: Fix initial state of PM domain -----BEGIN PGP SIGNATURE----- iQJLBAABCgA1FiEEugLDXPmKSktSkQsV/iaEJXNYjCkFAmlzZXoXHHVsZi5oYW5z c29uQGxpbmFyby5vcmcACgkQ/iaEJXNYjCl2MQ/9ENVi3Us1n2Uk6hBI9FC8l1I8 JHtk7Oy8K+QYcenHU9Fevcgb/7HtR2XsugBu3Xuvn8jHGmdQM0ldCBoLDGamTvJX oUVjXNAW5Gh+M5OA5dnjt+kh0Nut7WjdAupdVlQwydD0mykakdp845Sc6PquqcrE SVFlElvmyfdKwbB+Quj4q49gJtEqqq9EKhZ2IxHTLC/uL/NdZV8vZSTsHe5V0s4q ofSPHtnNI8CfGPFCGWw5/DoFukPCboSbr/0T0qieDpRTyFee0HecdIFyyLSyLmAt +Z1LIaD+GLkMStLU25Klh7c08MPMD2vUYU2u2or1V5KTw7xU/mChzClTKYGBobce QC/HrniQKqJ5hJlPsMXJk0CurEkDt3/VoBj9DXkCqVGJSHVkg1zUB30Z/9IyKE9l GhYpVDBWS4lG9ABHo8uLXdH9T7/+dMioDUTs4QkoAc4NSygK4gLRpaMV6yk1dPdh gMEzzkFdhV+BpMHl83HGkTujhHpL9lHDcHYKFDqPNmMcuTzR9htQfSFlmrQjF6Nd t9sZ8PiK8JN8QLPNGK7o4amoAZ6o0FpEw7PU5oYDX+2mAHHwanNhJV/vQVDZb3pw CfurtSwV3blgfSt2ytlRwUZtDIIyFiu1bOdU03oup+Y2b+/yGw4IuK7REcUVHl7k ZRhWyLRYlxQ3omHcVvo= =yDKM -----END PGP SIGNATURE----- Merge tag 'pmdomain-v6.19-rc3-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm Pull pmdomain fixes from Ulf Hansson: - imx: Remove incorrect reset/clock mask for 8mq vpu - rockchip: Fix initial state of PM domain * tag 'pmdomain-v6.19-rc3-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm: pmdomain:rockchip: Fix init genpd as GENPD_STATE_ON before regulator ready pmdomain: imx8m-blk-ctrl: Remove separate rst and clk mask for 8mq vpu |
||
|
Linus Torvalds
|
d4be90cce6 |
MMC host:
- rtsx_pci_sdmmc: Fix signal voltage switch
- sdhci-of-dwcmshc: A couple of fixes for Eswin EIC7700
- sdhci-of-dwcmshc: Fix support for HS200/HS400 mode
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Merge tag 'mmc-v6.19-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC fixes from Ulf Hansson:
- rtsx_pci_sdmmc: Fix signal voltage switch
- sdhci-of-dwcmshc:
- A couple of fixes for Eswin EIC7700
- Fix support for HS200/HS400 mode
* tag 'mmc-v6.19-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
mmc: sdhci-of-dwcmshc: Fix DMA 128MB boundary for Eswin EIC7700
mmc: sdhci-of-dwcmshc: Fix init for AXI clock for Eswin EIC7700
mmc: rtsx_pci_sdmmc: implement sdmmc_card_busy function
mmc: sdhci-of-dwcmshc: Prevent illegal clock reduction in HS200/HS400 mode
|
||
|
Linus Torvalds
|
00d20db21e |
block-6.19-20260122
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||
|
Linus Torvalds
|
7907f673d0 |
io_uring-6.19-20260122
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Linus Torvalds
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b33d706259 |
IOMMU Fixes for Linux v6.19-rc6
Including: - AMD IOMMU: Fix potential NULL-ptr dereference in error path of amd_iommu_probe_device(). - Generic IOMMUPT: Fix another compiler issue seen with older compiler versions. - Fix signedness issue in ARM IO-PageTable code. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEr9jSbILcajRFYWYyK/BELZcBGuMFAmlzOg0ACgkQK/BELZcB GuMQRhAAhgPw7RD6NPEb67NG4g28tuDBLEWBc10IS0d0XjP5QZCcFT3wLY4CYDsK J5QRDgYv6sACaOWgv5oB4N2WffqC6nC2YVniOmmq3s2Emfk/5eAo0MpRchvdiVDD F6tuUU/RwmeuUbK/6pa6SDrRsXy/SgQI858FkvVQSk8Ngj0ECFoUyJCbaqODzpP6 Cxp2KyY0FqcfssGtf6uFMSvXhC0CrFOwWHBXp5UzMOPnEHABxMUdQEHTfsR631bt IrYphkspnhfMpeAntZxpqAeejWnWcMf3nYlwt5j1UxjUuvfNtloc6hHFb6ln+/ad BG0wX5kqOK4LC4oiStz3qo9eMWrmbvG8L32Wpo8iPxd1CJ+Lu2+EaaHAYDrgoMo2 ApRAEEApzDkuGK61J3a1Ff2eg2WInBXmY55VXH2rBA2wnUrZKwYriivojt6ySXWz g6RpOWHxo6ztQN/C7VynqnvaQ5WKMHG9AhL2M6jQtP16obCz9hJut0Ps3v6AbOl2 9bQDTAEnFAi+ribCqg4PFKlcVg8wLqjDQJQLRO/hbATfV/mY0loyRVIHdyPuQUya IP1iKZn2LNwsYgl0AtrcDvXojl6CD/T1W5XjR0Q5hrNbWk1CSi2GmXMJFCiKV0pu fzS6Sv/8DS2tE1QgG4IAgbEqqb0TKeOdWcYFdZP/WRgaC8tPTeM= =k63u -----END PGP SIGNATURE----- Merge tag 'iommu-fixes-v6.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux Pull iommu fixes from Joerg Roedel: - AMD IOMMU: Fix potential NULL-ptr dereference in error path of amd_iommu_probe_device() - Generic IOMMUPT: Fix another compiler issue seen with older compiler versions - Fix signedness issue in ARM IO-PageTable code * tag 'iommu-fixes-v6.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux: iommu/io-pgtable-arm: fix size_t signedness bug in unmap path iommupt: Make it clearer to the compiler that pts.level == 0 for single page iommu/amd: Fix error path in amd_iommu_probe_device() |
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Linus Torvalds
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c133687c2e |
spi: Fixes for v6.19
One new device ID, plus a few fixes. The most substantial of the fixes is for the Cadence driver which in at least some instantiations requires transmit data to drive data through the IP. -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmlzk5EACgkQJNaLcl1U h9Do6ggAhqhHRYoU2DyG+fDxCGBM7N1qj02/YsG8XETHsr2p+bIoB7VzVNF1xE/w hTeHsWsEpj7rAt2Ieq31n1on3iS75lkY7f29uyoJa8uorBCSd+MpVNoeySZVr/s6 nFFhMiIjf/g82UdNoaaDBCvcCYphg+FNhkswSJ/Z1Hej4kw74LZydSUggpsmLR+K wnZUpV2PRGH1fMnJgRHDR0JV9PfMAe6BW043ud1cQDLpd2GQXKOLbwDDWv69XZBL F1O8ulHsTRb8hDKxZ2bBXNaLW4+eZp3AglVEIPHtrztLmIyyyToYIXFGALr1DV0C nXuDf/zi9Dlfuk1UvAcEa81qhv2Vfg== =PFwm -----END PGP SIGNATURE----- Merge tag 'spi-fix-v6.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi Pull spi fixes from Mark Brown: "One new device ID, plus a few fixes. The most substantial of the fixes is for the Cadence driver which in at least some instantiations requires transmit data to drive data through the IP" * tag 'spi-fix-v6.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: spi: intel-pci: Add support for Nova Lake SPI serial flash spi: spi-cadence: enable SPI_CONTROLLER_MUST_TX spi: hisi-kunpeng: Fixed the wrong debugfs node name in hisi_spi debugfs initialization spi: spi-sprd-adi: Fix double free in probe error path |
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Linus Torvalds
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346c558355 |
regulator: Fix for v6.19
A trivial fix adding a missing memory allocation check. -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmlzke4ACgkQJNaLcl1U h9APlAf/Zl4mK6LShJJZryTgZTRqSX+Gz1NrjvbKqFWhuwqK5ODZ8WVZuKVn7Fje Sy66yP2NOAZOGITR9hsTpmFGC892abT/VCa526MIx2b2MYHYBr2IgZFn2cEiqEaR ZAYORPozIcSQ9FWsrLTA5f6/p/a3eM3I16WdjTPjCnBe0hQkLeCoTLbnMGz7GJ4/ 3RPqMCRjiPIo2c+Tycdekm13CGFZPvVnAzdAsZ0M6sVPSt/w3cqE9CJPy/zFMQSb j9DDL/yDS5pgNY4x2luL+VpPFgUQxonNHjy3RyxvZjc/TQHCpyBUnNnKdLoZg0iI 5/MAyo6TiKC8Ri66bvQEcY27jQnl9w== =PM+N -----END PGP SIGNATURE----- Merge tag 'regulator-fix-v6.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator Pull regulator fix from Mark Brown: "A trivial fix adding a missing memory allocation check" * tag 'regulator-fix-v6.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: regulator: fp9931: Add missing memory allocation check |
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Linus Torvalds
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afb923b819 |
regmap: Fixes for v6.19
A couple of small fixes, one error handling one and another for misuse of the hwspinlock API. -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAmlzkXAACgkQJNaLcl1U h9BzEgf+P1U0W8t1Ol/v6sttRiZOaIAlM0/3ZX0zsttJarHTjdMY7ilzFvN361wR xNsVNB8FUVrAeVzoW4+xPNgPEuBqD+pO9kUz4cg2ZEt2Ym/BsgeL6vE7Gbj5+P6V 6tIZOZkIQnQZ4DqCXH3IMv5AFCgHWtrt/3bHVUpUUHdxYadvh1iKRwv1Sgr/SWeO wi1zlYGABY+Bv8FDzv6w29CCKI5YkMahuLSzXEYlaneGF8eCswyogzyaHG6gmD6h t06OlG2+vNlghrvJqbXk+casJyM7UDxF8NUgWrFQ3k+kBDAQojcrqAfFPiGMgmyV SVfFVQ0OGsaLh1KQHJi9KivlQyjT0Q== =nXyd -----END PGP SIGNATURE----- Merge tag 'regmap-fix-v6.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap Pull regmap fixes from Mark Brown: "A couple of small fixes, one error handling one and another for misuse of the hwspinlock API" * tag 'regmap-fix-v6.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap: regmap: Fix race condition in hwspinlock irqsave routine regmap: maple: free entry on mas_store_gfp() failure |
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Linus Torvalds
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1f664bbd5f |
gpio fixes for v6.19-rc7
- fix resource leaks in error paths in GPIO character device code
- return -ENOMEM and not -ENODEV on memory allocation failure
- fix an audio issue on Qualcomm platforms due to configuration not
being propagated to pinctrl from shared GPIO proxy
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Merge tag 'gpio-fixes-for-v6.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fixes from Bartosz Golaszewski:
"Some fixes to resource leaks in the character device handling and
another small fix for shared GPIO management:
- fix resource leaks in error paths in GPIO character device code
- return -ENOMEM and not -ENODEV on memory allocation failure
- fix an audio issue on Qualcomm platforms due to configuration not
being propagated to pinctrl from shared GPIO proxy"
* tag 'gpio-fixes-for-v6.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpio: shared: propagate configuration to pinctrl
gpio: cdev: Fix resource leaks on errors in gpiolib_cdev_register()
gpio: cdev: Fix resource leaks on errors in lineinfo_changed_notify()
gpio: cdev: Correct return code on memory allocation failure
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Zhaoyang Huang
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e2f8216ca2 |
arm64: Set __nocfi on swsusp_arch_resume()
A DABT is reported[1] on an android based system when resume from hiberate. This happens because swsusp_arch_suspend_exit() is marked with SYM_CODE_*() and does not have a CFI hash, but swsusp_arch_resume() will attempt to verify the CFI hash when calling a copy of swsusp_arch_suspend_exit(). Given that there's an existing requirement that the entrypoint to swsusp_arch_suspend_exit() is the first byte of the .hibernate_exit.text section, we cannot fix this by marking swsusp_arch_suspend_exit() with SYM_FUNC_*(). The simplest fix for now is to disable the CFI check in swsusp_arch_resume(). Mark swsusp_arch_resume() as __nocfi to disable the CFI check. [1] [ 22.991934][ T1] Unable to handle kernel paging request at virtual address 0000000109170ffc [ 22.991934][ T1] Mem abort info: [ 22.991934][ T1] ESR = 0x0000000096000007 [ 22.991934][ T1] EC = 0x25: DABT (current EL), IL = 32 bits [ 22.991934][ T1] SET = 0, FnV = 0 [ 22.991934][ T1] EA = 0, S1PTW = 0 [ 22.991934][ T1] FSC = 0x07: level 3 translation fault [ 22.991934][ T1] Data abort info: [ 22.991934][ T1] ISV = 0, ISS = 0x00000007, ISS2 = 0x00000000 [ 22.991934][ T1] CM = 0, WnR = 0, TnD = 0, TagAccess = 0 [ 22.991934][ T1] GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 [ 22.991934][ T1] [0000000109170ffc] user address but active_mm is swapper [ 22.991934][ T1] Internal error: Oops: 0000000096000007 [#1] PREEMPT SMP [ 22.991934][ T1] Dumping ftrace buffer: [ 22.991934][ T1] (ftrace buffer empty) [ 22.991934][ T1] Modules linked in: [ 22.991934][ T1] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.6.98-android15-8-g0b1d2aee7fc3-dirty-4k #1 688c7060a825a3ac418fe53881730b355915a419 [ 22.991934][ T1] Hardware name: Unisoc UMS9360-base Board (DT) [ 22.991934][ T1] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 22.991934][ T1] pc : swsusp_arch_resume+0x2ac/0x344 [ 22.991934][ T1] lr : swsusp_arch_resume+0x294/0x344 [ 22.991934][ T1] sp : ffffffc08006b960 [ 22.991934][ T1] x29: ffffffc08006b9c0 x28: 0000000000000000 x27: 0000000000000000 [ 22.991934][ T1] x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000820 [ 22.991934][ T1] x23: ffffffd0817e3000 x22: ffffffd0817e3000 x21: 0000000000000000 [ 22.991934][ T1] x20: ffffff8089171000 x19: ffffffd08252c8c8 x18: ffffffc080061058 [ 22.991934][ T1] x17: 00000000529c6ef0 x16: 00000000529c6ef0 x15: 0000000000000004 [ 22.991934][ T1] x14: ffffff8178c88000 x13: 0000000000000006 x12: 0000000000000000 [ 22.991934][ T1] x11: 0000000000000015 x10: 0000000000000001 x9 : ffffffd082533000 [ 22.991934][ T1] x8 : 0000000109171000 x7 : 205b5d3433393139 x6 : 392e32322020205b [ 22.991934][ T1] x5 : 000000010916f000 x4 : 000000008164b000 x3 : ffffff808a4e0530 [ 22.991934][ T1] x2 : ffffffd08058e784 x1 : 0000000082326000 x0 : 000000010a283000 [ 22.991934][ T1] Call trace: [ 22.991934][ T1] swsusp_arch_resume+0x2ac/0x344 [ 22.991934][ T1] hibernation_restore+0x158/0x18c [ 22.991934][ T1] load_image_and_restore+0xb0/0xec [ 22.991934][ T1] software_resume+0xf4/0x19c [ 22.991934][ T1] software_resume_initcall+0x34/0x78 [ 22.991934][ T1] do_one_initcall+0xe8/0x370 [ 22.991934][ T1] do_initcall_level+0xc8/0x19c [ 22.991934][ T1] do_initcalls+0x70/0xc0 [ 22.991934][ T1] do_basic_setup+0x1c/0x28 [ 22.991934][ T1] kernel_init_freeable+0xe0/0x148 [ 22.991934][ T1] kernel_init+0x20/0x1a8 [ 22.991934][ T1] ret_from_fork+0x10/0x20 [ 22.991934][ T1] Code: a9400a61 f94013e0 f9438923 f9400a64 (b85fc110) Co-developed-by: Jeson Gao <jeson.gao@unisoc.com> Signed-off-by: Jeson Gao <jeson.gao@unisoc.com> Signed-off-by: Zhaoyang Huang <zhaoyang.huang@unisoc.com> Acked-by: Will Deacon <will@kernel.org> Acked-by: Mark Rutland <mark.rutland@arm.com> Cc: <stable@vger.kernel.org> [catalin.marinas@arm.com: commit log updated by Mark Rutland] Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> |
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Linus Torvalds
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6e49f9e05c |
sound fixes for 6.19-rc7
A collection of a few more small fixes for HD- and USB-audio, including a regression fix for the OOB fix that was included in the previous PR. -----BEGIN PGP SIGNATURE----- iQJCBAABCAAsFiEEIXTw5fNLNI7mMiVaLtJE4w1nLE8FAmlyUsMOHHRpd2FpQHN1 c2UuZGUACgkQLtJE4w1nLE8Jsg//bdurKx6pYKtDDPRvcOs+1D5pE6a804M8vEiM YyfzseQ3KpJ+MsMXEXD4zZ4AJ0GgZoeCkjsvHxKbXu4gBv+AiHfuke0nmA/5hwas Nge6ItXd8/JNVsltpZblp+SodPLGWHsxdnIxgUSXVqlGeyg8OnbJh3VDcMtBq3gA 0GnpkcQ6GRMo1O9owa4p1Mfx6OwXzW+Frtukxo0p0vMqcj7A1D8r3hR1dvsSfygT vFXkVyy7Zoe7HYy4DfbHVEwaeSU2S9+CDoKAjzLaf5dGG8i1VeuDXa4zDsnwFkfK X1YKScJ+gb6e40W39jrAWqLnksmal8m5KWaNqSJrJJBrLmaWfpP0vr84EhNtDzie mpXnIGeylkMe8HM8+2TGE3rAz2a2SuVzs1ICigXwf4UxJ6X/gtdoTnbZ8oB+3UJQ LHsuYFPmKkXNuCyA6fWD2bFwu9EG1anGkNHmjzHH60BIhGox/Jsp9/Aw2HHr/Ryv re+0vCPURYhiZUjc/UdI6BR41fA0Uu+fXNu0urwCdjefTMB0QXxG+dRRigr3uD4x 0ezSxO3C8RfpPxqilUGree4xbZVwqINI8E9LoIUm8+CyRUtmAEDcjcOIwaz0dvOB YF7jvpTuMExb0fLImJz3xwWXjHqKprrXjvA4WJKV3FrzMB3H/7tf2Ig0HAPE9Tpa rF2YSUA= =MH0R -----END PGP SIGNATURE----- Merge tag 'sound-6.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound Pull sound fixes from Takashi Iwai: "A collection of a few more small fixes for HD- and USB-audio, including a regression fix for the OOB fix that was included in the previous pull request" * tag 'sound-6.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ALSA: hda/realtek: ALC269 fixup for Lenovo Yoga Book 9i 13IRU8 audio ALSA: hda/realtek: Add quirk for Samsung 730QED to fix headphone ALSA: usb-audio: Use the right limit for PCM OOB check ALSA: usb-audio: Fix use-after-free in snd_usb_mixer_free() ALSA: hda/realtek: Fix headset mic for TongFang X6AR55xU ALSA: ctxfi: Fix potential OOB access in audio mixer handling selftests: ALSA: Remove unused variable in utimer-test ALSA: usb-audio: Add delay quirk for MOONDROP Moonriver2 Ti ALSA: scarlett2: Fix buffer overflow in config retrieval ALSA: usb: Increase volume range that triggers a warning |
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Linus Torvalds
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d6112dddbf |
drm fixes for 6.19-rc7
xe: - Disallow bind-queue sharing across multiple VMs - Fix xe userptr in the absence of CONFIG_DEVICE_PRIVATE - Fix a missed page count update - Fix a confused argument to alloc_workqueue() - Kernel-doc fixes - Disable a workaround on VFs - Fix a job lock assert - Update wedged.mode only after successful reset policy change - Select CONFIG_DEVICE_PRIVATE when DRM_XE_GPUSVM is selected amdgpu: - fix color pipeline string leak - GC 12 fix - Misc error path fixes - DC analog fix - SMU 6 fixes - TLB flush fix - DC idle optimization fix amdkfd: - GC 11 cooperative launch fix imagination: - sync wait for logtype update completion to ensure FW trace is available bridge/synopsis: - Fix error paths in dw_dp_bind nouveau: - Add and implement missing DSB connector types, and improve unknown connector handling. - Set missing atomic function ops. intel: - place 3D lut at correct place in pipeline - fix color pipeline string leak vkms: - fix color pipeline string leak mediatek: - Fix platform_get_irq() error checking - HDMI DDC v2 driver fixes - dpi: Find next bridge during probe - mtk_gem: Partial refactor and use drm_gem_dma_object - dt-bindings: Fix typo 'hardwares' to 'hardware' -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEEKbZHaGwW9KfbeusDHTzWXnEhr4FAmlzBFkACgkQDHTzWXnE hr7pyg//TjFajyFkWu0tcxmM6qGmaYfTW4TFnbeUR3I/P3bOgP9ak9c074tFoiFD Gc+3tE1u3absXbewfmc1BpR9dexx+KjNByrEfp2FXl48/cXNsLJx8MYM/TMMNj+e k+RWI9Aou4D55fPGxuiQ5pCQnW3WjlVjT3JYEfufxIhuoIBDYCneQ9WP7991LTw9 OvC6kpHnCBx6U9TuJDJ8z+36Y0xUZ77Ih47i8VfZdv7BbzJnBe4pjTAaIPMBFdQr X9Ii2RI2SLrlaSa38UmB5v46g2KAWJYEL5Gx+h8phTWHiaUqjR38QQ0nHinfLNWw +KUUIADXqRJ8YWtRE0xz/2JDQyHthDtrLcapMpi2MXR/jJr0rpUGOSDfa7xAiuXC MyjB1C/hUQTCXaxBMyliRagat4TQBHKdXQR/w44TsbUtnWicRNqPXqjLkebvkIlA VjC11j45KKm29qTgBQftGUT3cKXmA4kGwcmj4jtJv5wYwHIZ9FtfIt9y9tflrntd djTZXTCfEYXOJRIljHzIdVe9j7j9TWT3DROsrBRlIjMEK1GRLk5o+cMOpa/Na19i hxfIiaQSUrsf5se5/qWOXDpJcJDLd5u2uZqgwL4N0Zvd803Uxmc4BxVrmNe1AAEl V28f+lrIUwAn+Y1wI7Tl0jd5grVNZ9c6hs/EICvW03ASYXkFL10= =Ur9f -----END PGP SIGNATURE----- Merge tag 'drm-fixes-2026-01-23' of https://gitlab.freedesktop.org/drm/kernel Pull drm fixes from Dave Airlie: "Probably a good thing you decided to do an rc8 in this round. Nothing stands out, but xe/amdgpu and mediatek all have a bunch of fixes, and then there are a few other single patches. Hopefully next week is calmer for release. xe: - Disallow bind-queue sharing across multiple VMs - Fix xe userptr in the absence of CONFIG_DEVICE_PRIVATE - Fix a missed page count update - Fix a confused argument to alloc_workqueue() - Kernel-doc fixes - Disable a workaround on VFs - Fix a job lock assert - Update wedged.mode only after successful reset policy change - Select CONFIG_DEVICE_PRIVATE when DRM_XE_GPUSVM is selected amdgpu: - fix color pipeline string leak - GC 12 fix - Misc error path fixes - DC analog fix - SMU 6 fixes - TLB flush fix - DC idle optimization fix amdkfd: - GC 11 cooperative launch fix imagination: - sync wait for logtype update completion to ensure FW trace is available bridge/synopsis: - Fix error paths in dw_dp_bind nouveau: - Add and implement missing DSB connector types, and improve unknown connector handling - Set missing atomic function ops intel: - place 3D lut at correct place in pipeline - fix color pipeline string leak vkms: - fix color pipeline string leak mediatek: - Fix platform_get_irq() error checking - HDMI DDC v2 driver fixes - dpi: Find next bridge during probe - mtk_gem: Partial refactor and use drm_gem_dma_object - dt-bindings: Fix typo 'hardwares' to 'hardware'" * tag 'drm-fixes-2026-01-23' of https://gitlab.freedesktop.org/drm/kernel: (38 commits) Revert "drm/amd/display: pause the workload setting in dm" drm/xe: Select CONFIG_DEVICE_PRIVATE when DRM_XE_GPUSVM is selected drm, drm/xe: Fix xe userptr in the absence of CONFIG_DEVICE_PRIVATE drm/i915/display: Fix color pipeline enum name leak drm/vkms: Fix color pipeline enum name leak drm/amd/display: Fix color pipeline enum name leak drm/i915/color: Place 3D LUT after CSC in plane color pipeline drm/nouveau/disp: Set drm_mode_config_funcs.atomic_(check|commit) drm/nouveau: implement missing DCB connector types; gracefully handle unknown connectors drm/nouveau: add missing DCB connector types drm/amdgpu: fix type for wptr in ring backup drm/amdgpu: Fix validating flush_gpu_tlb_pasid() drm/amd/pm: Workaround SI powertune issue on Radeon 430 (v2) drm/amd/pm: Don't clear SI SMC table when setting power limit drm/amd/pm: Fix si_dpm mmCG_THERMAL_INT setting drm/xe: Update wedged.mode only after successful reset policy change drm/xe/migrate: fix job lock assert drm/xe/uapi: disallow bind queue sharing drm/amd/display: Only poll analog connectors drm/amdgpu: fix error handling in ib_schedule() ... |
||
|
Vincent Guittot
|
15257cc2f9 |
sched/fair: Revert force wakeup preemption
This agressively bypasses run_to_parity and slice protection with the
assumpiton that this is what waker wants but there is no garantee that
the wakee will be the next to run. It is a better choice to use
yield_to_task or WF_SYNC in such case.
This increases the number of resched and preemption because a task becomes
quickly "ineligible" when it runs; We update the task vruntime periodically
and before the task exhausted its slice or at least quantum.
Example:
2 tasks A and B wake up simultaneously with lag = 0. Both are
eligible. Task A runs 1st and wakes up task C. Scheduler updates task
A's vruntime which becomes greater than average runtime as all others
have a lag == 0 and didn't run yet. Now task A is ineligible because
it received more runtime than the other task but it has not yet
exhausted its slice nor a min quantum. We force preemption, disable
protection but Task B will run 1st not task C.
Sidenote, DELAY_ZERO increases this effect by clearing positive lag at
wake up.
Fixes:
|
||
|
Mel Gorman
|
4f70f106bc |
sched/fair: Disable scheduler feature NEXT_BUDDY
NEXT_BUDDY was disabled with the introduction of EEVDF and enabled again
after NEXT_BUDDY was rewritten for EEVDF by commit
|
||
|
Linus Torvalds
|
c072629f05 |
This push contains the following changes:
- Add assoclen check in authencesn. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEn51F/lCuNhUwmDeSxycdCkmxi6cFAmlvI3EACgkQxycdCkmx i6cNEw/+O8NYAk2QPbYaG0gFrlCPHT7IxhJLZMXNFWZgibrJbdImyX/oPGluGt98 vE74h4A9NLJ9pR/oDq9j/HQ+pUITYNw8GYDTnnESAlQRZedg1hZPoGHnlVg9f+/H bvRAmvNW2SK1POz97pTvwLDx6WEOq22rl5OsQrobnd54qvXCLzhTSeL8jgciHWzA pCRGaW8EpqjwQLr8ndAftrh9cDqU5D5SuRvjhxJurcviv1o3m3Ba30zzflmLbijI ErvTwlPax6aNBzB0Xib/tm+0Iu977Hu5ambNp9qKk5PnQU4+7XHR3OjxibimLFVP 92VVgcnvXSfOum1HwXyw9p6I/dA2+r6dXY+a5iBPuaHdxu8cp3+zWnCh/K3ymXr6 ov6qZGQGdc7BkkD+lqT6B70dKm/+WwjEY4hh8uNXyM6XAOmvv4YwmQeTqvM9rK6i MtXo39e1/VWHyOusHA9Hrw8j0uqqcOGnoBKtPiOfqW30ftfZANU6rjrnrUk0hlSS UUSMv7QJx/myoUltrBZLmE3g2ZK+HiOjGL2/A0cBAyQhl5A8zh1Q8QiDU7uFgxCK VIZ5OuqarBL2zEkvp8tKp5Se8RrSE+E+Mqbxi00GV1PVPxcG+3GgkG5yA/pGJWwu hfWhcscAQX15+cocaY5sTgEvKJd3MCodkLaXaIJvuvXV8qBV+V0= =BEIq -----END PGP SIGNATURE----- Merge tag 'v6.19-p4' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 Pull crypto fix from Herbert Xu: - Add assoclen check in authencesn * tag 'v6.19-p4' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: crypto: authencesn - reject too-short AAD (assoclen<8) to match ESP/ESN spec |
||
|
Cedric Xing
|
614da1d3d4 |
x86: make page fault handling disable interrupts properly
There's a big comment in the x86 do_page_fault() about our interrupt
disabling code:
* User address page fault handling might have reenabled
* interrupts. Fixing up all potential exit points of
* do_user_addr_fault() and its leaf functions is just not
* doable w/o creating an unholy mess or turning the code
* upside down.
but it turns out that comment is subtly wrong, and the code as a result
is also wrong.
Because it's certainly true that we may have re-enabled interrupts when
handling user page faults. And it's most certainly true that we don't
want to bother fixing up all the cases.
But what isn't true is that it's limited to user address page faults.
The confusion stems from the fact that we have logic here that depends
on the address range of the access, but other code then depends on the
_context_ the access was done in. The two are not related, even though
both of them are about user-vs-kernel.
In other words, both user and kernel addresses can cause interrupts to
have been enabled (eg when __bad_area_nosemaphore() gets called for user
accesses to kernel addresses). As a result we should make sure to
disable interrupts again regardless of the address range before
returning to the low-level fault handling code.
The __bad_area_nosemaphore() code actually did disable interrupts again
after enabling them, just not consistently. Ironically, as noted in the
original comment, fixing up all the cases is just not worth it, when the
simple solution is to just do it unconditionally in one single place.
So remove the incomplete case that unsuccessfully tried to do what the
comment said was "not doable" in commit
|
||
|
Stefan Metzmacher
|
5914d98ff0 |
smb: server: reset smb_direct_port = SMB_DIRECT_PORT_INFINIBAND on init
This allows testing with different devices (iwrap vs. non-iwarp) without 'rmmod ksmbd && modprobe ksmbd', but instead 'ksmbd.control -s && ksmbd.mountd' is enough. In the long run we want to listen on iwarp and non-iwarp at the same time, but requires more changes, most likely also in the rdma layer. Cc: Namjae Jeon <linkinjeon@kernel.org> Cc: Steve French <smfrench@gmail.com> Cc: Tom Talpey <tom@talpey.com> Cc: linux-cifs@vger.kernel.org Cc: samba-technical@lists.samba.org Signed-off-by: Stefan Metzmacher <metze@samba.org> Acked-by: Namjae Jeon <linkinjeon@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com> |
||
|
Stefan Metzmacher
|
8e50cd059c |
smb: server: fix comment for ksmbd_vfs_kern_path_start_removing()
This was found by sparse...
Fixes:
|
||
|
Thomas Fourier
|
98e3e2b561 |
ksmbd: smbd: fix dma_unmap_sg() nents
The dma_unmap_sg() functions should be called with the same nents as the
dma_map_sg(), not the value the map function returned.
Fixes:
|
||
|
Dave Airlie
|
b91adbe830 |
Mediatek DRM Fixes - 20260119
1. Fix platform_get_irq() error checking 2. HDMI DDC v2 driver fixes 3. dpi: Find next bridge during probe 4. mtk_gem: Partial refactor and use drm_gem_dma_object 5. dt-bindings: Fix typo 'hardwares' to 'hardware' -----BEGIN PGP SIGNATURE----- iQJMBAABCgA2FiEEACwLKSDmq+9RDv5P4cpzo8lZTiQFAmluT6cYHGNodW5rdWFu Zy5odUBrZXJuZWwub3JnAAoJEOHKc6PJWU4kztAQAIcOjE6LFQlZ/06HJSI7a2GM ZhI7vsLg+690m7/FBuIxIWWpjzJZy/9aAHMBq8ggxRyoQXIOQUG0At+oYepQRaHF +KzA4kzAmuH9fZ5nY3TvqT75Kij9O3j6B25SLx8dXStyBUei8bpFf7+UUCIWeQW+ LbNIRO1Go5G7w++h8l1n60pBB/sGNDzGXdUAZUu7L1XcHZmAsHVgdIckIbMpGKzu Y2D/cz7vfmSpj7j8kbycUihrYNLAPySQyiwgka4uXIo9ufqNp43lnLXFeDjTAuyI NWDybmoUuoTdcNMTsk97LAUd/s3eBC0vtOEbItnSEqIhNYJm+0UmZSfpjEkFXWLm QWZjIbvRM4lK0L+Vk7bypmvWPD6w8cAov4wEo/tdtU8kls2brV5mZv+VMBj1Brwp r84F2ZlIxspVuEJBXBIlzvBR+DF0OkkeG/sX/9INl6xDPRJd4QIU3eWaCQqM6kFo 9EhCNhVi8KX8l+G94lIlp6+5Avh8Vb1q3SHZb9Il383dT9Uyb0PkkpZ6kH0ctcla Vt7eEITAgbD+dMxNOwfgKDkkJXhqAun4OtTSuaorMB1VeJzfUYHDHAwKTeQLy6YO u5xvFCt5fisUXoEvq8C/h5LODqKH/3CctyU71ngdQNJdyKTsGaNgbP77uo7JlV+z oK1zViYjROa7eNqm2ZnO =dXiD -----END PGP SIGNATURE----- Merge tag 'mediatek-drm-fixes-20260119' of https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux into drm-fixes Mediatek DRM Fixes - 20260119 1. Fix platform_get_irq() error checking 2. HDMI DDC v2 driver fixes 3. dpi: Find next bridge during probe 4. mtk_gem: Partial refactor and use drm_gem_dma_object 5. dt-bindings: Fix typo 'hardwares' to 'hardware' Signed-off-by: Dave Airlie <airlied@redhat.com> From: Chun-Kuang Hu <chunkuang.hu@kernel.org> Link: https://patch.msgid.link/20260119154717.4735-1-chunkuang.hu@kernel.org |
||
|
Dave Airlie
|
2312e0ab59 |
amd-drm-fixes-6.19-2026-01-22:
amdgpu: - GC 12 fix - Misc error path fixes - DC analog fix - SMU 6 fixes - TLB flush fix - DC idle optimization fix amdkfd: - GC 11 cooperative launch fix -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQQgO5Idg2tXNTSZAr293/aFa7yZ2AUCaXKLGQAKCRC93/aFa7yZ 2GcoAQDqgc1GiSwOyLhSE5MQimgofNVxaXZJ5zrM1JoAfmNelwD/bPAPejDZvyHm FECX3UOoMUTIFZT3Ja1yFp4VDWyXhAA= =58xj -----END PGP SIGNATURE----- Merge tag 'amd-drm-fixes-6.19-2026-01-22' of https://gitlab.freedesktop.org/agd5f/linux into drm-fixes amd-drm-fixes-6.19-2026-01-22: amdgpu: - GC 12 fix - Misc error path fixes - DC analog fix - SMU 6 fixes - TLB flush fix - DC idle optimization fix amdkfd: - GC 11 cooperative launch fix Signed-off-by: Dave Airlie <airlied@redhat.com> From: Alex Deucher <alexander.deucher@amd.com> Link: https://patch.msgid.link/20260122204308.946339-1-alexander.deucher@amd.com |
||
|
Dave Airlie
|
e63b9229c3 |
UAPI Changes:
- Disallow bind-queue sharing across multiple VMs (Matt Auld) Core Changes: - Fix xe userptr in the absence of CONFIG_DEVICE_PRIVATE (Thomas) Driver Changes: - Fix a missed page count update (Matt Brost) - Fix a confused argument to alloc_workqueue() (Marco Crivellari) - Kernel-doc fixes (Jani) - Disable a workaround on VFs (Matt Brost) - Fix a job lock assert (Matt Auld) - Update wedged.mode only after successful reset policy change (Lukasz) - Select CONFIG_DEVICE_PRIVATE when DRM_XE_GPUSVM is selected (Thomas) -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRskUM7w1oG5rx2IZO4FpNVCsYGvwUCaXIbUgAKCRC4FpNVCsYG v+HJAP0fU6LmLJtJ1iVkde0lapI2Yt24HZO2aKyGpfyCG11kggD/TsrGzalpH3MB 5+HG8rkdhJl6slSq3Bc4Ql+0FnXSiwY= =Y5u3 -----END PGP SIGNATURE----- Merge tag 'drm-xe-fixes-2026-01-22' of https://gitlab.freedesktop.org/drm/xe/kernel into drm-fixes UAPI Changes: - Disallow bind-queue sharing across multiple VMs (Matt Auld) Core Changes: - Fix xe userptr in the absence of CONFIG_DEVICE_PRIVATE (Thomas) Driver Changes: - Fix a missed page count update (Matt Brost) - Fix a confused argument to alloc_workqueue() (Marco Crivellari) - Kernel-doc fixes (Jani) - Disable a workaround on VFs (Matt Brost) - Fix a job lock assert (Matt Auld) - Update wedged.mode only after successful reset policy change (Lukasz) - Select CONFIG_DEVICE_PRIVATE when DRM_XE_GPUSVM is selected (Thomas) Signed-off-by: Dave Airlie <airlied@redhat.com> From: Thomas Hellstrom <thomas.hellstrom@linux.intel.com> Link: https://patch.msgid.link/aXIdiXaY-RxoaviV@fedora |
||
|
Dave Airlie
|
353f91bc25 |
drm-msic-fixes for v6.19:
imagination: - sync wait for logtype update completion to ensure FW trace is available bridge/synopsis: - Fix error paths in dw_dp_bind nouveau: - Add and implement missing DSB connector types, and improve unknown connector handling. - Set missing atomic function ops. intel/display, amd, vkms: - (intel) Place 3D lut at correct place in colorops pipeline. - (all) Fix a leak during device init where strings were leaked. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEuXvWqAysSYEJGuVH/lWMcqZwE8MFAmlx79kACgkQ/lWMcqZw E8MchQ/+KUw7LhBjW/nYnAi6NPKYAFyZ1C+5SmKbUp7WdqmN7Qeauzpw+ElcF/mf XyG7UZLUwkCo8V3y7ePqOwkGONZmJB6xts17H7/qc067yQ9OftrKSzgtdNv1D4v9 u7MRVrmjBhJLnAAbCqxdKb2x65O564gUmtkIXLgwDzblmzxE453Oea5GCmKGwXZO cGrJYlFQi0oLF3pc3pI4Vt0Ada1YOy1T2MNI4SuA5Hk6HcPPnriX8Ao7DM2nyYcJ +qmk/OVkIkT8MfMNY7sERd75Zk0CeRfrc0iikKT9BLiq0tdpGLo64uiswyp8A8ku pMAZc+ExgRiw9JNW6zf3FcuDtszQhYsWQ45/CG2uyuBhU6CReVHroxg7/TAI8Q8P 51gfKQFz8rEyg40nwNG7ryRC+IuWiUjW8Htl8WeRmuxf3JyQObdD8S7QuBIZRhub xz1j5C/hQCCSjfDYPF4q8dEohQ+tQMoIi6m3gzdovsd1bcXTl8e/jScpH0rs0GrV yAQDKM4GOK/8ilj0rnTpNdBEwqT1cPByIW7HQGz87zUAZhcl3jMeBmzXapCbPJnI vqFIeDWtbb3AcJpRtzybR8U1+wFNYE7mzOkwekJ1J930J59NuL7Rs7RCVm+MXTi2 VB6hNIqZPP0kbbPvNZYuB5622rOuVB5VH2GniRxFK8yBdt8kMhk= =kwm3 -----END PGP SIGNATURE----- Merge tag 'drm-misc-fixes-2026-01-22' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes drm-msic-fixes for v6.19: imagination: - sync wait for logtype update completion to ensure FW trace is available bridge/synopsis: - Fix error paths in dw_dp_bind nouveau: - Add and implement missing DSB connector types, and improve unknown connector handling. - Set missing atomic function ops. intel/display, amd, vkms: - (intel) Place 3D lut at correct place in colorops pipeline. - (all) Fix a leak during device init where strings were leaked. Signed-off-by: Dave Airlie <airlied@redhat.com> From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Link: https://patch.msgid.link/4c2f66df-c990-448a-b466-99a66981272b@linux.intel.com |
||
|
Linus Torvalds
|
0a80e38d0f |
Including fixes from CAN and wireless.
Pretty big PR, but hard to make up any cohesive story that would
explain it, a random collection of fixes. The two reverts of bad
patches from this release here feel like stuff that'd normally
show up by rc5 or rc6. Perhaps obvious thing to say, given the MW
timing.
That said, no active investigations / regressions. Let's see what
the next week brings.
Current release - fix to a fix:
- can: alloc_candev_mqs(): add missing default CAN capabilities
Current release - regressions:
- usbnet: fix crash due to missing BQL accounting after resume
- Revert "net: wwan: mhi_wwan_mbim: Avoid -Wflex-array-member-not ...
Previous releases - regressions:
- Revert "nfc/nci: Add the inconsistency check between the input ...
Previous releases - always broken:
- number of driver fixes for incorrect use of seqlocks on stats
- rxrpc: fix recvmsg() unconditional requeue, don't corrupt rcv queue
when MSG_PEEK was set
- ipvlan: make the addrs_lock be per port avoid races in the port
hash table
- sched: enforce that teql can only be used as root qdisc
- virtio: coalesce only linear skb
- wifi: ath12k: fix dead lock while flushing management frames
- eth: igc: reduce TSN TX packet buffer from 7KB to 5KB per queue
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from CAN and wireless.
Pretty big, but hard to make up any cohesive story that would explain
it, a random collection of fixes. The two reverts of bad patches from
this release here feel like stuff that'd normally show up by rc5 or
rc6. Perhaps obvious thing to say, given the holiday timing.
That said, no active investigations / regressions. Let's see what the
next week brings.
Current release - fix to a fix:
- can: alloc_candev_mqs(): add missing default CAN capabilities
Current release - regressions:
- usbnet: fix crash due to missing BQL accounting after resume
- Revert "net: wwan: mhi_wwan_mbim: Avoid -Wflex-array-member-not ...
Previous releases - regressions:
- Revert "nfc/nci: Add the inconsistency check between the input ...
Previous releases - always broken:
- number of driver fixes for incorrect use of seqlocks on stats
- rxrpc: fix recvmsg() unconditional requeue, don't corrupt rcv queue
when MSG_PEEK was set
- ipvlan: make the addrs_lock be per port avoid races in the port
hash table
- sched: enforce that teql can only be used as root qdisc
- virtio: coalesce only linear skb
- wifi: ath12k: fix dead lock while flushing management frames
- eth: igc: reduce TSN TX packet buffer from 7KB to 5KB per queue"
* tag 'net-6.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (96 commits)
Octeontx2-af: Add proper checks for fwdata
dpll: Prevent duplicate registrations
net/sched: act_ife: avoid possible NULL deref
hinic3: Fix netif_queue_set_napi queue_index input parameter error
vsock/test: add stream TX credit bounds test
vsock/virtio: cap TX credit to local buffer size
vsock/test: fix seqpacket message bounds test
vsock/virtio: fix potential underflow in virtio_transport_get_credit()
net: fec: account for VLAN header in frame length calculations
net: openvswitch: fix data race in ovs_vport_get_upcall_stats
octeontx2-af: Fix error handling
net: pcs: pcs-mtk-lynxi: report in-band capability for 2500Base-X
rxrpc: Fix data-race warning and potential load/store tearing
net: dsa: fix off-by-one in maximum bridge ID determination
net: bcmasp: Fix network filter wake for asp-3.0
bonding: provide a net pointer to __skb_flow_dissect()
selftests: net: amt: wait longer for connection before sending packets
be2net: Fix NULL pointer dereference in be_cmd_get_mac_from_list
Revert "net: wwan: mhi_wwan_mbim: Avoid -Wflex-array-member-not-at-end warning"
netrom: fix double-free in nr_route_frame()
...
|
||
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Linus Torvalds
|
0309fc3cc0 |
LEDs Fixes
- Fix race condition leading to null pointer dereference on ThinkPad -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEdrbJNaO+IJqU8IdIUa+KL4f8d2EFAmlyDUAACgkQUa+KL4f8 d2EcOA/9GNDUv4zKgxiPlR577PkZklvmFH/pRws1YDqG8Huf5fH8H+MxwasgcgI9 l7lBHw8MxK8qaxnQgy4xzXdISfkbiVXFPuCHaP3DyS1YdY7u67BBfDWuh7xFqymk JB8dUw0g9DYsjFNjfngFkYndGv5Ynb/Mdu/pK72ZtdR43WGIZnwH+hTn7oYteHfc E+g6jZNA06+w+Z9suUJk92NDk+PoRFXkZo519i0uQamZMXDSXIuG2lTPSqZQplc2 sPnopmdr5l23cPYLu8/FZ4IADUtWv+E1UEDF1WxsJ4vnu3K7SBicsEOhx7Hknm5f KZt1zZlcJBp17drAoK2JCLtN0Hg5dNJLSZNGPlheVx2yexVX0oEGVIhEQr6rYT7b H5c7gbUSjPChMGn1ScI3KMv6vS/DQPJcwZ/CZ40uvJJitPfVlM75fooitKsP5qwi xAWnORL85BKzG2DH0m4Ynu/4O59kbl4G0c5jc5cSuenGZrC1qNMp94a2o6i2xwas 8PCdC2J86oAjJNVzluYPhT6P9zi8UQbErqfhY04gY4SuVwg2OoJFrh1+XoHTYErp ISE35ByEnTHKxvFpsAgRBohol3SpQyJ3t+fzGTdT6HBubwKzGnxHgegB3TCax47+ ENXB3a+Lns8i8zX2eqZ9xXdKZjkadehvRU7Bv5WO1CoGQ7I4YJ0= =RjDN -----END PGP SIGNATURE----- Merge tag 'leds-fixes-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds Pull LED fix from Lee Jones: - Fix race condition leading to null pointer dereference on ThinkPad * tag 'leds-fixes-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds: leds: led-class: Only Add LED to leds_list when it is fully ready |
||
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Alex Deucher
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f377ea0561 |
Revert "drm/amd/display: pause the workload setting in dm"
This reverts commit |
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Ilpo Järvinen
|
5528fd38f2 |
PCI: Fix Resizable BAR restore order
The commit |
||
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Ilpo Järvinen
|
08d9eae76b |
PCI: Fix BAR resize rollback path overwriting ret
The commit |
||
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Hariprasad Kelam
|
4a3dba4818 |
Octeontx2-af: Add proper checks for fwdata
firmware populates MAC address, link modes (supported, advertised) and EEPROM data in shared firmware structure which kernel access via MAC block(CGX/RPM). Accessing fwdata, on boards booted with out MAC block leading to kernel panics. Internal error: Oops: 0000000096000005 [#1] SMP [ 10.460721] Modules linked in: [ 10.463779] CPU: 0 UID: 0 PID: 174 Comm: kworker/0:3 Not tainted 6.19.0-rc5-00154-g76ec646abdf7-dirty #3 PREEMPT [ 10.474045] Hardware name: Marvell OcteonTX CN98XX board (DT) [ 10.479793] Workqueue: events work_for_cpu_fn [ 10.484159] pstate: 80400009 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 10.491124] pc : rvu_sdp_init+0x18/0x114 [ 10.495051] lr : rvu_probe+0xe58/0x1d18 Fixes: |
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Ivan Vecera
|
f3ddbaaaaf |
dpll: Prevent duplicate registrations
Modify the internal registration helpers dpll_xa_ref_{dpll,pin}_add()
to reject duplicate registration attempts.
Previously, if a caller attempted to register the same pin multiple
times (with the same ops, priv, and cookie) on the same device, the core
silently increments the reference count and return success. This behavior
is incorrect because if the caller makes these duplicate registrations
then for the first one dpll_pin_registration is allocated and for others
the associated dpll_pin_ref.refcount is incremented. During the first
unregistration the associated dpll_pin_registration is freed and for
others WARN is fired.
Fix this by updating the logic to return `-EEXIST` if a matching
registration is found to enforce a strict "register once" policy.
Fixes:
|
||
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Eric Dumazet
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27880b0b0d |
net/sched: act_ife: avoid possible NULL deref
tcf_ife_encode() must make sure ife_encode() does not return NULL.
syzbot reported:
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
RIP: 0010:ife_tlv_meta_encode+0x41/0xa0 net/ife/ife.c:166
CPU: 3 UID: 0 PID: 8990 Comm: syz.0.696 Not tainted syzkaller #0 PREEMPT(full)
Call Trace:
<TASK>
ife_encode_meta_u32+0x153/0x180 net/sched/act_ife.c:101
tcf_ife_encode net/sched/act_ife.c:841 [inline]
tcf_ife_act+0x1022/0x1de0 net/sched/act_ife.c:877
tc_act include/net/tc_wrapper.h:130 [inline]
tcf_action_exec+0x1c0/0xa20 net/sched/act_api.c:1152
tcf_exts_exec include/net/pkt_cls.h:349 [inline]
mall_classify+0x1a0/0x2a0 net/sched/cls_matchall.c:42
tc_classify include/net/tc_wrapper.h:197 [inline]
__tcf_classify net/sched/cls_api.c:1764 [inline]
tcf_classify+0x7f2/0x1380 net/sched/cls_api.c:1860
multiq_classify net/sched/sch_multiq.c:39 [inline]
multiq_enqueue+0xe0/0x510 net/sched/sch_multiq.c:66
dev_qdisc_enqueue+0x45/0x250 net/core/dev.c:4147
__dev_xmit_skb net/core/dev.c:4262 [inline]
__dev_queue_xmit+0x2998/0x46c0 net/core/dev.c:4798
Fixes:
|
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|
Fan Gong
|
fb2bb2a1eb |
hinic3: Fix netif_queue_set_napi queue_index input parameter error
Incorrectly transmitted interrupt number instead of queue number
when using netif_queue_set_napi. Besides, move this to appropriate
code location to set napi.
Remove redundant netif_stop_subqueue beacuase it is not part of the
hinic3_send_one_skb process.
Fixes:
|
||
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Jakub Kicinski
|
9146fe2829 |
Another set of updates:
- various small fixes for ath10k/ath12k/mwifiex/rsi
- cfg80211 fix for HE bitrate overflow
- mac80211 fixes
- S1G beacon handling in scan
- skb tailroom handling for HW encryption
- CSA fix for multi-link
- handling of disabled links during association
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Merge tag 'wireless-2026-11-22' of https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless
Johannes Berg says:
====================
Another set of updates:
- various small fixes for ath10k/ath12k/mwifiex/rsi
- cfg80211 fix for HE bitrate overflow
- mac80211 fixes
- S1G beacon handling in scan
- skb tailroom handling for HW encryption
- CSA fix for multi-link
- handling of disabled links during association
* tag 'wireless-2026-11-22' of https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless:
wifi: cfg80211: ignore link disabled flag from userspace
wifi: mac80211: apply advertised TTLM from association response
wifi: mac80211: parse all TTLM entries
wifi: mac80211: don't increment crypto_tx_tailroom_needed_cnt twice
wifi: mac80211: don't perform DA check on S1G beacon
wifi: ath12k: Fix wrong P2P device link id issue
wifi: ath12k: fix dead lock while flushing management frames
wifi: ath12k: Fix scan state stuck in ABORTING after cancel_remain_on_channel
wifi: ath12k: cancel scan only on active scan vdev
wifi: mwifiex: Fix a loop in mwifiex_update_ampdu_rxwinsize()
wifi: mac80211: correctly check if CSA is active
wifi: cfg80211: Fix bitrate calculation overflow for HE rates
wifi: rsi: Fix memory corruption due to not set vif driver data size
wifi: ath12k: don't force radio frequency check in freq_to_idx()
wifi: ath12k: fix dma_free_coherent() pointer
wifi: ath10k: fix dma_free_coherent() pointer
====================
Link: https://patch.msgid.link/20260122110248.15450-3-johannes@sipsolutions.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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||
|
Paolo Abeni
|
5778d65d4b |
Merge branch 'vsock-virtio-fix-tx-credit-handling'
Stefano Garzarella says: ==================== vsock/virtio: fix TX credit handling The original series was posted by Melbin K Mathew <mlbnkm1@gmail.com> till v4. Since it's a real issue and the original author seems busy, I'm sending the new version fixing my comments but keeping the authorship (and restoring mine on patch 2 as reported on v4). v5: https://lore.kernel.org/netdev/20260116201517.273302-1-sgarzare@redhat.com/ v4: https://lore.kernel.org/netdev/20251217181206.3681159-1-mlbnkm1@gmail.com/ From Melbin K Mathew <mlbnkm1@gmail.com>: This series fixes TX credit handling in virtio-vsock: Patch 1: Fix potential underflow in get_credit() using s64 arithmetic Patch 2: Fix vsock_test seqpacket bounds test Patch 3: Cap TX credit to local buffer size (security hardening) Patch 4: Add stream TX credit bounds regression test The core issue is that a malicious guest can advertise a huge buffer size via SO_VM_SOCKETS_BUFFER_SIZE, causing the host to allocate excessive sk_buff memory when sending data to that guest. On an unpatched Ubuntu 22.04 host (~64 GiB RAM), running a PoC with 32 guest vsock connections advertising 2 GiB each and reading slowly drove Slab/SUnreclaim from ~0.5 GiB to ~57 GiB; the system only recovered after killing the QEMU process. With this series applied, the same PoC shows only ~35 MiB increase in Slab/SUnreclaim, no host OOM, and the guest remains responsive. ==================== Link: https://patch.msgid.link/20260121093628.9941-1-sgarzare@redhat.com Signed-off-by: Paolo Abeni <pabeni@redhat.com> |
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Melbin K Mathew
|
2a689f76ed |
vsock/test: add stream TX credit bounds test
Add a regression test for the TX credit bounds fix. The test verifies that a sender with a small local buffer size cannot queue excessive data even when the peer advertises a large receive buffer. The client: - Sets a small buffer size (64 KiB) - Connects to server (which advertises 2 MiB buffer) - Sends in non-blocking mode until EAGAIN - Verifies total queued data is bounded This guards against the original vulnerability where a remote peer could cause unbounded kernel memory allocation by advertising a large buffer and reading slowly. Suggested-by: Stefano Garzarella <sgarzare@redhat.com> Signed-off-by: Melbin K Mathew <mlbnkm1@gmail.com> [Stefano: use sock_buf_size to check the bytes sent + small fixes] Signed-off-by: Stefano Garzarella <sgarzare@redhat.com> Link: https://patch.msgid.link/20260121093628.9941-5-sgarzare@redhat.com Acked-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com> |
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|
Melbin K Mathew
|
8ee784fdf0 |
vsock/virtio: cap TX credit to local buffer size
The virtio transports derives its TX credit directly from peer_buf_alloc,
which is set from the remote endpoint's SO_VM_SOCKETS_BUFFER_SIZE value.
On the host side this means that the amount of data we are willing to
queue for a connection is scaled by a guest-chosen buffer size, rather
than the host's own vsock configuration. A malicious guest can advertise
a large buffer and read slowly, causing the host to allocate a
correspondingly large amount of sk_buff memory.
The same thing would happen in the guest with a malicious host, since
virtio transports share the same code base.
Introduce a small helper, virtio_transport_tx_buf_size(), that
returns min(peer_buf_alloc, buf_alloc), and use it wherever we consume
peer_buf_alloc.
This ensures the effective TX window is bounded by both the peer's
advertised buffer and our own buf_alloc (already clamped to
buffer_max_size via SO_VM_SOCKETS_BUFFER_MAX_SIZE), so a remote peer
cannot force the other to queue more data than allowed by its own
vsock settings.
On an unpatched Ubuntu 22.04 host (~64 GiB RAM), running a PoC with
32 guest vsock connections advertising 2 GiB each and reading slowly
drove Slab/SUnreclaim from ~0.5 GiB to ~57 GiB; the system only
recovered after killing the QEMU process. That said, if QEMU memory is
limited with cgroups, the maximum memory used will be limited.
With this patch applied:
Before:
MemFree: ~61.6 GiB
Slab: ~142 MiB
SUnreclaim: ~117 MiB
After 32 high-credit connections:
MemFree: ~61.5 GiB
Slab: ~178 MiB
SUnreclaim: ~152 MiB
Only ~35 MiB increase in Slab/SUnreclaim, no host OOM, and the guest
remains responsive.
Compatibility with non-virtio transports:
- VMCI uses the AF_VSOCK buffer knobs to size its queue pairs per
socket based on the local vsk->buffer_* values; the remote side
cannot enlarge those queues beyond what the local endpoint
configured.
- Hyper-V's vsock transport uses fixed-size VMBus ring buffers and
an MTU bound; there is no peer-controlled credit field comparable
to peer_buf_alloc, and the remote endpoint cannot drive in-flight
kernel memory above those ring sizes.
- The loopback path reuses virtio_transport_common.c, so it
naturally follows the same semantics as the virtio transport.
This change is limited to virtio_transport_common.c and thus affects
virtio-vsock, vhost-vsock, and loopback, bringing them in line with the
"remote window intersected with local policy" behaviour that VMCI and
Hyper-V already effectively have.
Fixes:
|