only one core change, the rest are drivers. The core change reorders
some state operations in the error handler to try to prevent missed
wake ups of the error handler (which can halt error processing and
effectively freeze the entire system).
Signed-off-by: James E.J. Bottomley <James.Bottomley@HansenPartnership.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:
"Only one core change, the rest are drivers.
The core change reorders some state operations in the error handler to
try to prevent missed wake ups of the error handler (which can halt
error processing and effectively freeze the entire system)"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: qla2xxx: Sanitize payload size to prevent member overflow
scsi: target: iscsi: Fix use-after-free in iscsit_dec_session_usage_count()
scsi: target: iscsi: Fix use-after-free in iscsit_dec_conn_usage_count()
scsi: core: Wake up the error handler when final completions race against each other
scsi: storvsc: Process unsupported MODE_SENSE_10
scsi: xen: scsiback: Fix potential memory leak in scsiback_remove()
This a late fix for v6.19.
BR, Jarkko
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Merge tag 'keys-trusted-next-6.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd
Pull keys fix from Jarkko Sakkinen.
* tag 'keys-trusted-next-6.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd:
keys/trusted_keys: fix handle passed to tpm_buf_append_name during unseal
Here are some small char/misc/iio and some other minor driver subsystem
fixes for 6.19-rc7. Nothing huge here, just some fixes for reported
issues including:
- lots of little iio driver fixes
- comedi driver fixes
- mux driver fix
- w1 driver fixes
- uio driver fix
- slimbus driver fixes
- hwtracing bugfix
- other tiny bugfixes
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc/iio driver fixes from Greg KH:
"Here are some small char/misc/iio and some other minor driver
subsystem fixes for 6.19-rc7. Nothing huge here, just some fixes for
reported issues including:
- lots of little iio driver fixes
- comedi driver fixes
- mux driver fix
- w1 driver fixes
- uio driver fix
- slimbus driver fixes
- hwtracing bugfix
- other tiny bugfixes
All of these have been in linux-next for a while with no reported
issues"
* tag 'char-misc-6.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (36 commits)
comedi: dmm32at: serialize use of paged registers
mei: trace: treat reg parameter as string
uio: pci_sva: correct '-ENODEV' check logic
uacce: ensure safe queue release with state management
uacce: implement mremap in uacce_vm_ops to return -EPERM
uacce: fix isolate sysfs check condition
uacce: fix cdev handling in the cleanup path
slimbus: core: clean up of_slim_get_device()
slimbus: core: fix of_slim_get_device() kernel doc
slimbus: core: amend slim_get_device() kernel doc
slimbus: core: fix device reference leak on report present
slimbus: core: fix runtime PM imbalance on report present
slimbus: core: fix OF node leak on registration failure
intel_th: rename error label
intel_th: fix device leak on output open()
comedi: Fix getting range information for subdevices 16 to 255
mux: mmio: Fix IS_ERR() vs NULL check in probe()
interconnect: debugfs: initialize src_node and dst_node to empty strings
iio: dac: ad3552r-hs: fix out-of-bound write in ad3552r_hs_write_data_source
iio: accel: iis328dq: fix gain values
...
Here are 3 small serial driver fixes for 6.19-rc7 that resolve some
reported issues. They include:
- tty->port race condition fix for a reported problem
- qcom_geni serial driver fix
- 8250_pci serial driver fix
All of these have been in linux-next with no reported issues
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-6.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull serial driver fixes from Greg KH:
"Here are three small serial driver fixes for 6.19-rc7 that resolve
some reported issues. They include:
- tty->port race condition fix for a reported problem
- qcom_geni serial driver fix
- 8250_pci serial driver fix
All of these have been in linux-next with no reported issues"
* tag 'tty-6.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
serial: Fix not set tty->port race condition
serial: 8250_pci: Fix broken RS485 for F81504/508/512
serial: qcom_geni: Fix BT failure regression on RB2 platform
k1: drop wrong IRQF_ONESHOT from IRQ request to fix genirq warning
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Merge tag 'i2c-for-6.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fix from Wolfram Sang:
- k1: drop wrong IRQF_ONESHOT from IRQ request to fix genirq warning
* tag 'i2c-for-6.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: spacemit: drop IRQF_ONESHOT flag from IRQ request
- a couple quirks to i8042 to enable keyboard on a Asus and MECHREVO
laptops.
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Merge tag 'input-for-v6.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov:
- a couple of quirks to i8042 to enable keyboard on a Asus and MECHREVO
laptops
* tag 'input-for-v6.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: i8042 - add quirks for MECHREVO Wujie 15X Pro
Input: i8042 - add quirk for ASUS Zenbook UX425QA_UM425QA
TPM2_Unseal[1] expects the handle of a loaded data object, and not the
handle of the parent key. But the tpm2_unseal_cmd provides the parent
keyhandle instead of blob_handle for the session HMAC calculation. This
causes unseal to fail.
Fix this by passing blob_handle to tpm_buf_append_name().
References:
[1] trustedcomputinggroup.org/wp-content/uploads/
Trusted-Platform-Module-2.0-Library-Part-3-Version-184_pub.pdf
Fixes: 6e9722e9a7 ("tpm2-sessions: Fix out of range indexing in name_size")
Signed-off-by: Srish Srinivasan <ssrish@linux.ibm.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
The MECHREVO Wujie 15X Pro requires several i8042 quirks to function
correctly. Specifically, NOMUX, RESET_ALWAYS, NOLOOP, and NOPNP are
needed to ensure the keyboard and touchpad work reliably.
Signed-off-by: gongqi <550230171hxy@gmail.com>
Link: https://patch.msgid.link/20260122155501.376199-3-550230171hxy@gmail.com
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
The ASUS Zenbook UX425QA_UM425QA fails to initialize the keyboard after
a cold boot.
A quirk already exists for "ZenBook UX425", but some Zenbooks report
"Zenbook" with a lowercase 'b'. Since DMI matching is case-sensitive,
the existing quirk is not applied to these "extra special" Zenbooks.
Testing confirms that this model needs the same quirks as the ZenBook
UX425 variants.
Signed-off-by: feng <alec.jiang@gmail.com>
Link: https://patch.msgid.link/20260122013957.11184-1-alec.jiang@gmail.com
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
- Fix the RISC-V timer compare register update sequence on RV32
systems to use the recommended sequence in the RISC-V ISA manual.
This avoids spurious interrupts during updates.
- Add a dependence on the new CONFIG_CACHEMAINT_FOR_DMA Kconfig symbol
for Renesas and StarFive RISC-V SoCs
- Add a temporary workaround for a Clang compiler bug caused by using
asm_goto_output for get_user()
- Clarify our documentation to specifically state a particular ISA
specification version for a chapter number reference
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Merge tag 'riscv-for-linus-6.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Paul Walmsley:
"The notable changes here are the three RISC-V timer compare register
update sequence patches. These only apply to RV32 systems and are
related to the 64-bit timer compare value being split across two
separate 32-bit registers.
We weren't using the appropriate three-write sequence, documented in
the RISC-V ISA specifications, to avoid spurious timer interrupts
during the update sequence; so, these patches now use the recommended
sequence.
This doesn't affect 64-bit RISC-V systems, since the timer compare
value fits inside a single register and can be updated with a single
write.
- Fix the RISC-V timer compare register update sequence on RV32
systems to use the recommended sequence in the RISC-V ISA manual
This avoids spurious interrupts during updates
- Add a dependence on the new CONFIG_CACHEMAINT_FOR_DMA Kconfig
symbol for Renesas and StarFive RISC-V SoCs
- Add a temporary workaround for a Clang compiler bug caused by using
asm_goto_output for get_user()
- Clarify our documentation to specifically state a particular ISA
specification version for a chapter number reference"
* tag 'riscv-for-linus-6.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: Add intermediate cast to 'unsigned long' in __get_user_asm
riscv: Use 64-bit variable for output in __get_user_asm
soc: renesas: Fix missing dependency on new CONFIG_CACHEMAINT_FOR_DMA
riscv: ERRATA_STARFIVE_JH7100: Fix missing dependency on new CONFIG_CACHEMAINT_FOR_DMA
riscv: suspend: Fix stimecmp update hazard on RV32
riscv: kvm: Fix vstimecmp update hazard on RV32
riscv: clocksource: Fix stimecmp update hazard on RV32
Documentation: riscv: uabi: Clarify ISA spec version for canonical order
- Fix a crash with passing a stacktrace between synthetic events
A synthetic event is an event that combines two events into a single event
that can display fields from both events as well as the time delta that
took place between the events. It can also pass a stacktrace from the
first event so that it can be displayed by the synthetic event (this is
useful to get a stacktrace of a task scheduling out when blocked and
recording the time it was blocked for).
A synthetic event can also connect an existing synthetic event to another
event. An issue was found that if the first synthetic event had a stacktrace
as one of its fields, and that stacktrace field was passed to the new
synthetic event to be displayed, it would crash the kernel. This was due to
the stacktrace not being saved as a stacktrace but was still marked as one.
When the stacktrace was read, it would try to read an array but instead read
the integer metadata of the stacktrace and dereferenced a bad value.
Fix this by saving the stacktrace field as a stracktrace.
- Fix possible overflow in cmp_mod_entry() compare function
A binary search is used to find a module address and if the addresses are
greater than 2GB apart it could lead to truncation and cause a bad search
result. Use normal compares instead of a subtraction between addresses to
calculate the compare value.
- Fix output of entry arguments in function graph tracer
Depending on the configurations enabled, the entry can be two different
types that hold the argument array. The macro FGRAPH_ENTRY_ARGS() is used
to find the correct arguments from the given type. One location was missed
and still referenced the arguments directly via entry->args and could
produce the wrong value depending on how the kernel was configured.
- Fix memory leak in scripts/tracepoint-update build tool
If the array fails to allocate, the memory for the values needs to be
freed and was not. Free the allocated values if the array failed to
allocate.
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Merge tag 'trace-v6.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing fixes from Steven Rostedt:
- Fix a crash with passing a stacktrace between synthetic events
A synthetic event is an event that combines two events into a single
event that can display fields from both events as well as the time
delta that took place between the events. It can also pass a
stacktrace from the first event so that it can be displayed by the
synthetic event (this is useful to get a stacktrace of a task
scheduling out when blocked and recording the time it was blocked
for).
A synthetic event can also connect an existing synthetic event to
another event. An issue was found that if the first synthetic event
had a stacktrace as one of its fields, and that stacktrace field was
passed to the new synthetic event to be displayed, it would crash the
kernel. This was due to the stacktrace not being saved as a
stacktrace but was still marked as one. When the stacktrace was read,
it would try to read an array but instead read the integer metadata
of the stacktrace and dereferenced a bad value.
Fix this by saving the stacktrace field as a stacktrace.
- Fix possible overflow in cmp_mod_entry() compare function
A binary search is used to find a module address and if the addresses
are greater than 2GB apart it could lead to truncation and cause a
bad search result. Use normal compares instead of a subtraction
between addresses to calculate the compare value.
- Fix output of entry arguments in function graph tracer
Depending on the configurations enabled, the entry can be two
different types that hold the argument array. The macro
FGRAPH_ENTRY_ARGS() is used to find the correct arguments from the
given type. One location was missed and still referenced the
arguments directly via entry->args and could produce the wrong value
depending on how the kernel was configured.
- Fix memory leak in scripts/tracepoint-update build tool
If the array fails to allocate, the memory for the values needs to be
freed and was not. Free the allocated values if the array failed to
allocate.
* tag 'trace-v6.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
scripts/tracepoint-update: Fix memory leak in add_string() on failure
function_graph: Fix args pointer mismatch in print_graph_retval()
tracing: Avoid possible signed 64-bit truncation
tracing: Fix crash on synthetic stacktrace field usage
Document project continuity procedures. This is a plan for a plan for
navigating events that affect the forward progress of the canonical
Linux repository, torvalds/linux.git.
It is a follow-up from Maintainer Summit [1].
Co-developed-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Miguel Ojeda <ojeda@kernel.org>
Reviewed-by: Kees Cook <kees@kernel.org>
Reviewed-by: Jiri Kosina <jkosina@suse.com>
Reviewed-by: Steven Rostedt <rostedt@goodmis.org>
Link: https://lwn.net/Articles/1050179/ [1]
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
- 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
- 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
- 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
- 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
- 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
k1: drop IRQF_ONESHOT from IRQ request to fix genirq warning.
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Merge tag 'i2c-host-fixes-6.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux into i2c/for-current
i2c-host-fixes for v6.19-rc7
k1: drop IRQF_ONESHOT from IRQ request to fix genirq warning.
- 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
- 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
- Add $(DISABLE_KSTACK_ERASE) to vdso compile flags to fix compile errors
with old gcc versions
- Fix path to s390 chacha implementation in vdso selftests, after vdso64
has been renamed to vdso
- Fix off-by-one bug in APQN limit calculation
- Discard .modinfo section from decompressor image to fix SecureBoot
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Merge tag 's390-6.19-4' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Heiko Carstens:
- Add $(DISABLE_KSTACK_ERASE) to vdso compile flags to fix compile
errors with old gcc versions
- Fix path to s390 chacha implementation in vdso selftests, after
vdso64 has been renamed to vdso
- Fix off-by-one bug in APQN limit calculation
- Discard .modinfo section from decompressor image to fix SecureBoot
* tag 's390-6.19-4' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/boot/vmlinux.lds.S: Ensure bzImage ends with SecureBoot trailer
s390/ap: Fix wrong APQN fill calculation
selftests: vDSO: getrandom: Fix path to s390 chacha implementation
s390/vdso: Disable kstack erase
- 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
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Merge tag 'v6.19-rc6-server-fixes' of git://git.samba.org/ksmbd
Pull smb server fixes from Steve French:
- Use the original nents value for ib_dma_unmap_sg(), preventing
potential memory corruption in the RDMA transport layer
- Fix a naming discrepancy in the kernel-doc for
ksmbd_vfs_kern_path_start_removing() as identified by sparse static
analysis
- Reset smb_direct_port to its default value during initialization to
ensure the correct port is used when switching between different RDMA
device types without module reload
* tag 'v6.19-rc6-server-fixes' of git://git.samba.org/ksmbd:
smb: server: reset smb_direct_port = SMB_DIRECT_PORT_INFINIBAND on init
smb: server: fix comment for ksmbd_vfs_kern_path_start_removing()
ksmbd: smbd: fix dma_unmap_sg() nents
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Merge tag 'pci-v6.19-fixes-4' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Pull PCI fixes from Bjorn Helgaas:
- Fix the pci_do_resource_release_and_resize() failure path, which
clobbered the intended failure return value (Ilpo Järvinen)
- Restore resizable BAR size before value because the size determines
which bits are writable; this fixes i915 and xe regressions (Ilpo
Järvinen)
* tag 'pci-v6.19-fixes-4' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci:
PCI: Fix Resizable BAR restore order
PCI: Fix BAR resize rollback path overwriting ret
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
...
- 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
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Merge tag 'block-6.19-20260122' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux
Pull block fixes from Jens Axboe:
- A set of selftest fixes for ublk
- Fix for a pid mismatch in ublk, comparing PIDs in different
namespaces if run inside a namespace
- Fix for a regression added in this release with polling, where the
nvme tcp connect code would spin forever
- Zoned device error path fix
- Tweak the blkzoned uapi additions from this kernel release, making
them more easily discoverable
- Fix for a regression in bcache with bio endio handling added in this
release
* tag 'block-6.19-20260122' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux:
bcache: use bio cloning for detached device requests
blk-mq: use BLK_POLL_ONESHOT for synchronous poll completion
selftests/ublk: fix garbage output in foreground mode
selftests/ublk: fix error handling for starting device
selftests/ublk: fix IO thread idle check
block: make the new blkzoned UAPI constants discoverable
ublk: fix ublksrv pid handling for pid namespaces
block: Fix an error path in disk_update_zone_resources()
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Merge tag 'io_uring-6.19-20260122' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux
Pull io_uring fixes from Jens Axboe:
- Fix for a potential leak of an iovec, if a specific cleanup path is
used and the rw_cache is full at the time of the call
- Fix for a regression added in this cycle, where waitid should be
using prober release/acquire semantics for updating the wait queue
head
- Check for the cancelation bit being set for every work item processed
by io-wq, not just at the start of the loop. Has no real practical
implications other than to shut up syzbot doing crazy things that
grossly overload a system, hence slowing down ring exit
- A few selftest additions, updating the mini_liburing that selftests
use
* tag 'io_uring-6.19-20260122' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux:
selftests/io_uring: support NO_SQARRAY in miniliburing
selftests/io_uring: add io_uring_queue_init_params
io_uring/io-wq: check IO_WQ_BIT_EXIT inside work run loop
io_uring/waitid: fix KCSAN warning on io_waitid->head
io_uring/rw: free potentially allocated iovec on cache put failure
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.
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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()
When realloc() fails in add_string(), the function returns -1 but leaves
*vals pointing to the previously allocated memory. This can cause memory
leaks in callers like make_trace_array() that return on error without
freeing the partially built array.
Fix this by freeing *vals and setting it to NULL when realloc() fails.
This makes the error handling self-contained in add_string() so callers
don't need to handle cleanup on failure.
This bug is found by my static analysis tool and my code review.
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Fixes: e30f8e61e2 ("tracing: Add a tracepoint verification check at build time")
Link: https://patch.msgid.link/20260119114542.1714405-1-geoffreyhe2@gmail.com
Signed-off-by: Weigang He <geoffreyhe2@gmail.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
When funcgraph-args and funcgraph-retaddr are both enabled, many kernel
functions display invalid parameters in trace logs.
The issue occurs because print_graph_retval() passes a mismatched args
pointer to print_function_args(). Fix this by retrieving the correct
args pointer using the FGRAPH_ENTRY_ARGS() macro.
Link: https://patch.msgid.link/20260112021601.1300479-1-dolinux.peng@gmail.com
Fixes: f83ac7544f ("function_graph: Enable funcgraph-args and funcgraph-retaddr to work simultaneously")
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Donglin Peng <pengdonglin@xiaomi.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
64-bit truncation to 32-bit can result in the sign of the truncated
value changing. The cmp_mod_entry is used in bsearch and so the
truncation could result in an invalid search order. This would only
happen were the addresses more than 2GB apart and so unlikely, but
let's fix the potentially broken compare anyway.
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Link: https://patch.msgid.link/20260108002625.333331-1-irogers@google.com
Signed-off-by: Ian Rogers <irogers@google.com>
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
When creating a synthetic event based on an existing synthetic event that
had a stacktrace field and the new synthetic event used that field a
kernel crash occurred:
~# cd /sys/kernel/tracing
~# echo 's:stack unsigned long stack[];' > dynamic_events
~# echo 'hist:keys=prev_pid:s0=common_stacktrace if prev_state & 3' >> events/sched/sched_switch/trigger
~# echo 'hist:keys=next_pid:s1=$s0:onmatch(sched.sched_switch).trace(stack,$s1)' >> events/sched/sched_switch/trigger
The above creates a synthetic event that takes a stacktrace when a task
schedules out in a non-running state and passes that stacktrace to the
sched_switch event when that task schedules back in. It triggers the
"stack" synthetic event that has a stacktrace as its field (called "stack").
~# echo 's:syscall_stack s64 id; unsigned long stack[];' >> dynamic_events
~# echo 'hist:keys=common_pid:s2=stack' >> events/synthetic/stack/trigger
~# echo 'hist:keys=common_pid:s3=$s2,i0=id:onmatch(synthetic.stack).trace(syscall_stack,$i0,$s3)' >> events/raw_syscalls/sys_exit/trigger
The above makes another synthetic event called "syscall_stack" that
attaches the first synthetic event (stack) to the sys_exit trace event and
records the stacktrace from the stack event with the id of the system call
that is exiting.
When enabling this event (or using it in a historgram):
~# echo 1 > events/synthetic/syscall_stack/enable
Produces a kernel crash!
BUG: unable to handle page fault for address: 0000000000400010
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0
Oops: Oops: 0000 [#1] SMP PTI
CPU: 6 UID: 0 PID: 1257 Comm: bash Not tainted 6.16.3+deb14-amd64 #1 PREEMPT(lazy) Debian 6.16.3-1
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.17.0-debian-1.17.0-1 04/01/2014
RIP: 0010:trace_event_raw_event_synth+0x90/0x380
Code: c5 00 00 00 00 85 d2 0f 84 e1 00 00 00 31 db eb 34 0f 1f 00 66 66 2e 0f 1f 84 00 00 00 00 00 66 66 2e 0f 1f 84 00 00 00 00 00 <49> 8b 04 24 48 83 c3 01 8d 0c c5 08 00 00 00 01 cd 41 3b 5d 40 0f
RSP: 0018:ffffd2670388f958 EFLAGS: 00010202
RAX: ffff8ba1065cc100 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000001 RSI: fffff266ffda7b90 RDI: ffffd2670388f9b0
RBP: 0000000000000010 R08: ffff8ba104e76000 R09: ffffd2670388fa50
R10: ffff8ba102dd42e0 R11: ffffffff9a908970 R12: 0000000000400010
R13: ffff8ba10a246400 R14: ffff8ba10a710220 R15: fffff266ffda7b90
FS: 00007fa3bc63f740(0000) GS:ffff8ba2e0f48000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000400010 CR3: 0000000107f9e003 CR4: 0000000000172ef0
Call Trace:
<TASK>
? __tracing_map_insert+0x208/0x3a0
action_trace+0x67/0x70
event_hist_trigger+0x633/0x6d0
event_triggers_call+0x82/0x130
trace_event_buffer_commit+0x19d/0x250
trace_event_raw_event_sys_exit+0x62/0xb0
syscall_exit_work+0x9d/0x140
do_syscall_64+0x20a/0x2f0
? trace_event_raw_event_sched_switch+0x12b/0x170
? save_fpregs_to_fpstate+0x3e/0x90
? _raw_spin_unlock+0xe/0x30
? finish_task_switch.isra.0+0x97/0x2c0
? __rseq_handle_notify_resume+0xad/0x4c0
? __schedule+0x4b8/0xd00
? restore_fpregs_from_fpstate+0x3c/0x90
? switch_fpu_return+0x5b/0xe0
? do_syscall_64+0x1ef/0x2f0
? do_fault+0x2e9/0x540
? __handle_mm_fault+0x7d1/0xf70
? count_memcg_events+0x167/0x1d0
? handle_mm_fault+0x1d7/0x2e0
? do_user_addr_fault+0x2c3/0x7f0
entry_SYSCALL_64_after_hwframe+0x76/0x7e
The reason is that the stacktrace field is not labeled as such, and is
treated as a normal field and not as a dynamic event that it is.
In trace_event_raw_event_synth() the event is field is still treated as a
dynamic array, but the retrieval of the data is considered a normal field,
and the reference is just the meta data:
// Meta data is retrieved instead of a dynamic array
str_val = (char *)(long)var_ref_vals[val_idx];
// Then when it tries to process it:
len = *((unsigned long *)str_val) + 1;
It triggers a kernel page fault.
To fix this, first when defining the fields of the first synthetic event,
set the filter type to FILTER_STACKTRACE. This is used later by the second
synthetic event to know that this field is a stacktrace. When creating
the field of the new synthetic event, have it use this FILTER_STACKTRACE
to know to create a stacktrace field to copy the stacktrace into.
Cc: stable@vger.kernel.org
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Tom Zanussi <zanussi@kernel.org>
Link: https://patch.msgid.link/20260122194824.6905a38e@gandalf.local.home
Fixes: 00cf3d672a ("tracing: Allow synthetic events to pass around stacktraces")
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
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.
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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
A couple of small fixes, one error handling one and another for misuse
of the hwspinlock API.
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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
- 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
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.
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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
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'
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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()
...
Revert commit bfc467db60 ("serial: remove redundant
tty_port_link_device()") because the tty_port_link_device() is not
redundant: the tty->port has to be confured before we call
uart_configure_port(), otherwise user-space can open console without TTY
linked to the driver.
This tty_port_link_device() was added explicitly to avoid this exact
issue in commit fb2b90014d ("tty: link tty and port before configuring
it as console"), so offending commit basically reverted the fix saying
it is redundant without addressing the actual race condition presented
there.
Reproducible always as tty->port warning on Qualcomm SoC with most of
devices disabled, so with very fast boot, and one serial device being
the console:
printk: legacy console [ttyMSM0] enabled
printk: legacy console [ttyMSM0] enabled
printk: legacy bootconsole [qcom_geni0] disabled
printk: legacy bootconsole [qcom_geni0] disabled
------------[ cut here ]------------
tty_init_dev: ttyMSM driver does not set tty->port. This would crash the kernel. Fix the driver!
WARNING: drivers/tty/tty_io.c:1414 at tty_init_dev.part.0+0x228/0x25c, CPU#2: systemd/1
Modules linked in: socinfo tcsrcc_eliza gcc_eliza sm3_ce fuse ipv6
CPU: 2 UID: 0 PID: 1 Comm: systemd Tainted: G S 6.19.0-rc4-next-20260108-00024-g2202f4d30aa8 #73 PREEMPT
Tainted: [S]=CPU_OUT_OF_SPEC
Hardware name: Qualcomm Technologies, Inc. Eliza (DT)
...
tty_init_dev.part.0 (drivers/tty/tty_io.c:1414 (discriminator 11)) (P)
tty_open (arch/arm64/include/asm/atomic_ll_sc.h:95 (discriminator 3) drivers/tty/tty_io.c:2073 (discriminator 3) drivers/tty/tty_io.c:2120 (discriminator 3))
chrdev_open (fs/char_dev.c:411)
do_dentry_open (fs/open.c:962)
vfs_open (fs/open.c:1094)
do_open (fs/namei.c:4634)
path_openat (fs/namei.c:4793)
do_filp_open (fs/namei.c:4820)
do_sys_openat2 (fs/open.c:1391 (discriminator 3))
...
Starting Network Name Resolution...
Apparently the flow with this small Yocto-based ramdisk user-space is:
driver (qcom_geni_serial.c): user-space:
============================ ===========
qcom_geni_serial_probe()
uart_add_one_port()
serial_core_register_port()
serial_core_add_one_port()
uart_configure_port()
register_console()
|
| open console
| ...
| tty_init_dev()
| driver->ports[idx] is NULL
|
tty_port_register_device_attr_serdev()
tty_port_link_device() <- set driver->ports[idx]
Fixes: bfc467db60 ("serial: remove redundant tty_port_link_device()")
Cc: stable@vger.kernel.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Reviewed-by: Jiri Slaby <jirislaby@kernel.org>
Link: https://patch.msgid.link/20260123072139.53293-2-krzysztof.kozlowski@oss.qualcomm.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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: e837456fdc ("sched/fair: Reimplement NEXT_BUDDY to align with EEVDF goals")
Signed-off-by: Vincent Guittot <vincent.guittot@linaro.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://patch.msgid.link/20260123102858.52428-1-vincent.guittot@linaro.org
NEXT_BUDDY was disabled with the introduction of EEVDF and enabled again
after NEXT_BUDDY was rewritten for EEVDF by commit e837456fdc ("sched/fair:
Reimplement NEXT_BUDDY to align with EEVDF goals"). It was not expected
that this would be a universal win without a crystal ball instruction
but the reported regressions are a concern [1][2] even if gains were
also reported. Specifically;
o mysql with client/server running on different servers regresses
o specjbb reports lower peak metrics
o daytrader regresses
The mysql is realistic and a concern. It needs to be confirmed if
specjbb is simply shifting the point where peak performance is measured
but still a concern. daytrader is considered to be representative of a
real workload.
Access to test machines is currently problematic for verifying any fix to
this problem. Disable NEXT_BUDDY for now by default until the root causes
are addressed.
Signed-off-by: Mel Gorman <mgorman@techsingularity.net>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Tested-by: Madadi Vineeth Reddy <vineethr@linux.ibm.com>
Link: https://lore.kernel.org/lkml/4b96909a-f1ac-49eb-b814-97b8adda6229@arm.com [1]
Link: https://lore.kernel.org/lkml/ec3ea66f-3a0d-4b5a-ab36-ce778f159b5b@linux.ibm.com [2]
Link: https://patch.msgid.link/fyqsk63pkoxpeaclyqsm5nwtz3dyejplr7rg6p74xwemfzdzuu@7m7xhs5aqpqw
After commit bdce162f2e ("riscv: Use 64-bit variable for output in
__get_user_asm"), there is a warning when building for 32-bit RISC-V:
In file included from include/linux/uaccess.h:13,
from include/linux/sched/task.h:13,
from include/linux/sched/signal.h:9,
from include/linux/rcuwait.h:6,
from include/linux/mm.h:36,
from include/linux/migrate.h:5,
from mm/migrate.c:16:
mm/migrate.c: In function 'do_pages_move':
arch/riscv/include/asm/uaccess.h:115:15: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
115 | (x) = (__typeof__(x))__tmp; \
| ^
arch/riscv/include/asm/uaccess.h:198:17: note: in expansion of macro '__get_user_asm'
198 | __get_user_asm("lb", (x), __gu_ptr, label); \
| ^~~~~~~~~~~~~~
arch/riscv/include/asm/uaccess.h:218:9: note: in expansion of macro '__get_user_nocheck'
218 | __get_user_nocheck(x, ptr, __gu_failed); \
| ^~~~~~~~~~~~~~~~~~
arch/riscv/include/asm/uaccess.h:255:9: note: in expansion of macro '__get_user_error'
255 | __get_user_error(__gu_val, __gu_ptr, __gu_err); \
| ^~~~~~~~~~~~~~~~
arch/riscv/include/asm/uaccess.h:285:17: note: in expansion of macro '__get_user'
285 | __get_user((x), __p) : \
| ^~~~~~~~~~
mm/migrate.c:2358:29: note: in expansion of macro 'get_user'
2358 | if (get_user(p, pages + i))
| ^~~~~~~~
Add an intermediate cast to 'unsigned long', which is guaranteed to be the same
width as a pointer, before the cast to the type of the output variable to clear
up the warning.
Fixes: bdce162f2e ("riscv: Use 64-bit variable for output in __get_user_asm")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202601210526.OT45dlOZ-lkp@intel.com/
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Link: https://patch.msgid.link/20260121-riscv-fix-int-to-pointer-cast-v1-1-b83eebe57c76@kernel.org
Signed-off-by: Paul Walmsley <pjw@kernel.org>
