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One tiny fix to the be2iscsi driver fixing a memory leak in an error leg.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fix from James Bottomley:
"One tiny fix to the be2iscsi driver fixing a memory leak in an error
leg"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: be2iscsi: Fix a memleak in beiscsi_init_wrb_handle()
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Merge tag 'block-6.7-2023-12-08' of git://git.kernel.dk/linux
Pull block fixes from Jens Axboe:
"Nothing major in here, just miscellanous fixes for MD and NVMe:
- NVMe pull request via Keith:
- Proper nvme ctrl state setting (Keith)
- Passthrough command optimization (Keith)
- Spectre fix (Nitesh)
- Kconfig clarifications (Shin'ichiro)
- Frozen state deadlock fix (Bitao)
- Power setting quirk (Georg)
- MD pull requests via Song:
- 6.7 regresisons with recovery/sync (Yu)
- Reshape fix (David)"
* tag 'block-6.7-2023-12-08' of git://git.kernel.dk/linux:
md: split MD_RECOVERY_NEEDED out of mddev_resume
nvme-pci: Add sleep quirk for Kingston drives
md: fix stopping sync thread
md: don't leave 'MD_RECOVERY_FROZEN' in error path of md_set_readonly()
md: fix missing flush of sync_work
nvme: fix deadlock between reset and scan
nvme: prevent potential spectre v1 gadget
nvme: improve NVME_HOST_AUTH and NVME_TARGET_AUTH config descriptions
nvme-ioctl: move capable() admin check to the end
nvme: ensure reset state check ordering
nvme: introduce helper function to get ctrl state
md/raid6: use valid sector values to determine if an I/O should wait on the reshape
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Merge tag 'io_uring-6.7-2023-12-08' of git://git.kernel.dk/linux
Pull io_uring fixes from Jens Axboe:
"Two minor fixes for issues introduced in this release cycle, and two
fixes for issues or potential issues that are heading to stable.
One of these ends up disabling passing io_uring file descriptors via
SCM_RIGHTS. There really shouldn't be an overlap between that kind of
historic use case and modern usage of io_uring, which is why this was
deemed appropriate"
* tag 'io_uring-6.7-2023-12-08' of git://git.kernel.dk/linux:
io_uring/af_unix: disable sending io_uring over sockets
io_uring/kbuf: check for buffer list readiness after NULL check
io_uring/kbuf: Fix an NULL vs IS_ERR() bug in io_alloc_pbuf_ring()
io_uring: fix mutex_unlock with unreferenced ctx
Primarily rtrs and irdma fixes:
- Fix uninitialized value in ib_get_eth_speed()
- Fix hns refusing to work if userspace doesn't select the correct
congestion control algorithm
- Several irdma fixes - unreliable Send Queue Drain, use after free, 64k
page size bugs, device removal races
- Several rtrs bug fixes - crashes, memory leaks, use after free, bad
credit accounting, bogus WARN_ON
- Typos and a MAINTAINER update
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull rdma fixes from Jason Gunthorpe:
"Primarily rtrs and irdma fixes:
- Fix uninitialized value in ib_get_eth_speed()
- Fix hns refusing to work if userspace doesn't select the correct
congestion control algorithm
- Several irdma fixes - unreliable Send Queue Drain, use after free,
64k page size bugs, device removal races
- Several rtrs bug fixes - crashes, memory leaks, use after free, bad
credit accounting, bogus WARN_ON
- Typos and a MAINTAINER update"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
RDMA/irdma: Avoid free the non-cqp_request scratch
RDMA/irdma: Fix support for 64k pages
RDMA/irdma: Ensure iWarp QP queue memory is OS paged aligned
RDMA/core: Fix umem iterator when PAGE_SIZE is greater then HCA pgsz
RDMA/irdma: Fix UAF in irdma_sc_ccq_get_cqe_info()
RDMA/bnxt_re: Correct module description string
RDMA/rtrs-clt: Remove the warnings for req in_use check
RDMA/rtrs-clt: Fix the max_send_wr setting
RDMA/rtrs-srv: Destroy path files after making sure no IOs in-flight
RDMA/rtrs-srv: Free srv_mr iu only when always_invalidate is true
RDMA/rtrs-srv: Check return values while processing info request
RDMA/rtrs-clt: Start hb after path_up
RDMA/rtrs-srv: Do not unconditionally enable irq
MAINTAINERS: Add Chengchang Tang as Hisilicon RoCE maintainer
RDMA/irdma: Add wait for suspend on SQD
RDMA/irdma: Do not modify to SQD on error
RDMA/hns: Fix unnecessary err return when using invalid congest control algorithm
RDMA/core: Fix uninit-value access in ib_get_eth_speed()
Fix cpufreq reference counting in the DTPM (dynamic thermal and
power management) power capping framework (Lukasz Luba).
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Merge tag 'pm-6.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fix from Rafael Wysocki:
"Fix cpufreq reference counting in the DTPM (dynamic thermal and power
management) power capping framework (Lukasz Luba)"
* tag 'pm-6.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
powercap: DTPM: Fix missing cpufreq_cpu_put() calls
Fix a possible crash on an attempt to free unallocated memory in the
error path of acpi_evaluate_reference() that has been introduced by one
of the recent changes (Rafael Wysocki).
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Merge tag 'acpi-6.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fix from Rafael Wysocki:
"Fix a possible crash on an attempt to free unallocated memory in the
error path of acpi_evaluate_reference() that has been introduced by
one of the recent changes (Rafael Wysocki)"
* tag 'acpi-6.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: utils: Fix error path in acpi_evaluate_reference()
- acpi_power_meter: Fix 4.29 MW output sen if acpi reports bad data
- corsair-psu: Fix ability to probe if the driver is built into the kernel
- ltc2991: Fix spelling mistake "contiuous" -> "continuous"
- max31827: Add missing regulator header file include
- nzxt-kraken2: Fix error handling path in probe function
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Merge tag 'hwmon-for-v6.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon fixes from Guenter Roeck:
- acpi_power_meter: Fix 4.29 MW output seen if acpi reports bad data
- corsair-psu: Fix ability to probe if the driver is built into the kernel
- ltc2991: Fix spelling mistake "contiuous" -> "continuous"
- max31827: Add missing regulator header file include
- nzxt-kraken2: Fix error handling path in probe function
* tag 'hwmon-for-v6.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (corsair-psu) Fix probe when built-in
hwmon: (nzxt-kraken2) Fix error handling path in kraken2_probe()
hwmon: (acpi_power_meter) Fix 4.29 MW bug
hwmon: max31827: include regulator header
hwmon: ltc2991: Fix spelling mistake "contiuous" -> "continuous"
This fixes a null pointer exception in the bcm2835 pwm driver. The
problem was introduced by a combination of two commits merged for
v6.7-rc1 where each change alone would have been fine.
Thanks to Florian Fainelli for noticing and fixing the issue.
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Merge tag 'pwm/for-6.7-rc5-fixes' of https://git.pengutronix.de/git/ukl/linux
Pull pwm fix from Uwe Kleine-König:
"This fixes a null pointer exception in the bcm2835 pwm driver.
The problem was introduced by a combination of two commits merged for
v6.7-rc1 where each change alone would have been fine.
Thanks to Florian Fainelli for noticing and fixing the issue"
* tag 'pwm/for-6.7-rc5-fixes' of https://git.pengutronix.de/git/ukl/linux:
pwm: bcm2835: Fix NPD in suspend/resume
This is a typical bump in the middle of its way; we've gathered lots
of fixes (mostly for ASoC) at this time.
- PCM array out-of-bound access fix
- Correction of SOC PCM merge error
- Lots of ASoC SOF Intel updates
- A few ASoC AMD quirks
- More proper timer handling in PCM test module
- HD-audio and USB-audio quirks as usual
- Other device-specific fixes for various ASoC codecs
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Merge tag 'sound-6.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"This is a typical bump in the middle of its way; we've gathered lots
of fixes (mostly for ASoC) at this time:
- PCM array out-of-bound access fix
- Correction of SOC PCM merge error
- Lots of ASoC SOF Intel updates
- A few ASoC AMD quirks
- More proper timer handling in PCM test module
- HD-audio and USB-audio quirks as usual
- Other device-specific fixes for various ASoC codecs"
* tag 'sound-6.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (39 commits)
ALSA: hda/realtek: Add quirk for Lenovo Yoga Pro 7
ALSA: pcmtest: stop timer before buffer is released
ALSA: hda/realtek: Add Framework laptop 16 to quirks
ALSA: hda/realtek: add new Framework laptop to quirks
ALSA: pcm: fix out-of-bounds in snd_pcm_state_names
ASoC: qcom: sc8280xp: Limit speaker digital volumes
ASoC: ops: add correct range check for limiting volume
ALSA: hda/realtek: Enable headset on Lenovo M90 Gen5
ALSA: hda/realtek: fix speakers on XPS 9530 (2023)
ALSA: usb-audio: Add Pioneer DJM-450 mixer controls
ASoC: wm_adsp: fix memleak in wm_adsp_buffer_populate
ASoC: da7219: Support low DC impedance headset
ASoC: amd: acp: Add support for a new Huawei Matebook laptop
ALSA: hda/realtek: Apply quirk for ASUS UM3504DA
ASoC: SOF: ipc4-topology: Correct data structures for the GAIN module
ASoC: SOF: ipc4-topology: Correct data structures for the SRC module
ASoC: hdac_hda: Conditionally register dais for HDMI and Analog
ASoC: codecs: lpass-tx-macro: set active_decimator correct default value
ASoC: amd: yc: Fix non-functional mic on ASUS E1504FA
ASoC: amd: yc: Add DMI entry to support System76 Pangolin 13
...
In __team_options_register, team_options are allocated and appended to
the team's option_list.
If one option instance allocation fails, the "inst_rollback" cleanup
path frees the previously allocated options but doesn't remove them from
the team's option_list.
This leaves dangling pointers that can be dereferenced later by other
parts of the team driver that iterate over options.
This patch fixes the cleanup path to remove the dangling pointers from
the list.
As far as I can tell, this uaf doesn't have much security implications
since it would be fairly hard to exploit (an attacker would need to make
the allocation of that specific small object fail) but it's still nice
to fix.
Cc: stable@vger.kernel.org
Fixes: 80f7c6683fe0 ("team: add support for per-port options")
Signed-off-by: Florent Revest <revest@chromium.org>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Link: https://lore.kernel.org/r/20231206123719.1963153-1-revest@chromium.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
In general, activating long mode involves setting the EFER_LME bit in
the EFER register and then enabling the X86_CR0_PG bit in the CR0
register. At this point, the EFER_LMA bit will be set automatically by
hardware.
In the case of SVM/SEV guests where writes to CR0 are intercepted, it's
necessary for the host to set EFER_LMA on behalf of the guest since
hardware does not see the actual CR0 write.
In the case of SEV-ES guests where writes to CR0 are trapped instead of
intercepted, the hardware *does* see/record the write to CR0 before
exiting and passing the value on to the host, so as part of enabling
SEV-ES support commit f1c6366e3043 ("KVM: SVM: Add required changes to
support intercepts under SEV-ES") dropped special handling of the
EFER_LMA bit with the understanding that it would be set automatically.
However, since the guest never explicitly sets the EFER_LMA bit, the
host never becomes aware that it has been set. This becomes problematic
when userspace tries to get/set the EFER values via
KVM_GET_SREGS/KVM_SET_SREGS, since the EFER contents tracked by the host
will be missing the EFER_LMA bit, and when userspace attempts to pass
the EFER value back via KVM_SET_SREGS it will fail a sanity check that
asserts that EFER_LMA should always be set when X86_CR0_PG and EFER_LME
are set.
Fix this by always inferring the value of EFER_LMA based on X86_CR0_PG
and EFER_LME, regardless of whether or not SEV-ES is enabled.
Fixes: f1c6366e3043 ("KVM: SVM: Add required changes to support intercepts under SEV-ES")
Reported-by: Peter Gonda <pgonda@google.com>
Cc: stable@vger.kernel.org
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20210507165947.2502412-2-seanjc@google.com>
[A two year old patch that was revived after we noticed the failure in
KVM_SET_SREGS and a similar patch was posted by Michael Roth. This is
Sean's patch, but with Michael's more complete commit message. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
It seems that when the driver is built-in, the HID bus is
initialized after the driver is loaded, which whould cause
module_hid_driver() to fail.
Fix this by registering the driver after the HID bus using
late_initcall() in accordance with other hwmon HID drivers.
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20231207210723.222552-1-W_Armin@gmx.de
[groeck: Dropped "compile tested" comment; the patch has been tested
but the tester did not provide a Tested-by: tag]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Using -MD without -MP causes build failures when a header file is deleted
or moved. With -MP, the compiler will emit phony targets for the header
files it lists as dependencies, and the Makefiles won't refuse to attempt
to rebuild a C unit which no longer includes the deleted header.
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Link: https://lore.kernel.org/r/9fc8b5395321abbfcaf5d78477a9a7cd350b08e4.camel@infradead.org
Signed-off-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Pass MAGIC_TOKEN to __TEST_REQUIRE() when printing the help message about
needing to pass a magic value to manually run the NX hugepages test,
otherwise the help message will contain garbage.
In file included from x86_64/nx_huge_pages_test.c:15:
x86_64/nx_huge_pages_test.c: In function ‘main’:
include/test_util.h:40:32: error: format ‘%d’ expects a matching ‘int’ argument [-Werror=format=]
40 | ksft_exit_skip("- " fmt "\n", ##__VA_ARGS__); \
| ^~~~
x86_64/nx_huge_pages_test.c:259:9: note: in expansion of macro ‘__TEST_REQUIRE’
259 | __TEST_REQUIRE(token == MAGIC_TOKEN,
| ^~~~~~~~~~~~~~
Signed-off-by: angquan yu <angquan21@gmail.com>
Link: https://lore.kernel.org/r/20231128221105.63093-1-angquan21@gmail.com
[sean: rewrite shortlog+changelog]
Signed-off-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
- When checking if a _running_ vCPU is "in-kernel", i.e. running at CPL0,
get the CPL directly instead of relying on preempted_in_kernel, which
is valid if and only if the vCPU was preempted, i.e. NOT running.
- Set .owner for various KVM file_operations so that files refcount the
KVM module until KVM is done executing _all_ code, including the last
few instructions of kvm_put_kvm(). And then revert the misguided
attempt to rely on "struct kvm" refcounts to pin KVM-the-module.
- Fix a benign "return void" that was recently introduced.
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Merge tag 'kvm-x86-fixes-6.7-rcN' of https://github.com/kvm-x86/linux into kvm-master
KVM fixes for 6.7-rcN:
- When checking if a _running_ vCPU is "in-kernel", i.e. running at CPL0,
get the CPL directly instead of relying on preempted_in_kernel, which
is valid if and only if the vCPU was preempted, i.e. NOT running.
- Set .owner for various KVM file_operations so that files refcount the
KVM module until KVM is done executing _all_ code, including the last
few instructions of kvm_put_kvm(). And then revert the misguided
attempt to rely on "struct kvm" refcounts to pin KVM-the-module.
- Fix a benign "return void" that was recently introduced.
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Merge tag 'kvm-s390-master-6.7-1' of https://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into kvm-master
Two small but important bugfixes.
- Avoid mapping vLPIs that have already been mapped
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Merge tag 'kvmarm-fixes-6.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into kvm-master
KVM/arm64 fixes for 6.7, take #1
- Avoid mapping vLPIs that have already been mapped
* A pair of fixes to the new module load-time relocation code.
* A fix for hwprobe overflowing on rv32.
* A fix for to correctly decode C.SWSP and C.SDSP, which manifests in
misaligned access handling.
* A fix for a boot-time shadow call stack initialization ordering issue.
* A fix for Andes' errata probing, which was calling
riscv_noncoherent_supported() too late in the boot process and
triggering an oops.
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Merge tag 'riscv-for-linus-6.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
- A pair of fixes to the new module load-time relocation code
- A fix for hwprobe overflowing on rv32
- A fix for to correctly decode C.SWSP and C.SDSP, which manifests in
misaligned access handling
- A fix for a boot-time shadow call stack initialization ordering issue
- A fix for Andes' errata probing, which was calling
riscv_noncoherent_supported() too late in the boot process and
triggering an oops
* tag 'riscv-for-linus-6.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: errata: andes: Probe for IOCP only once in boot stage
riscv: Fix SMP when shadow call stacks are enabled
dt-bindings: perf: riscv,pmu: drop unneeded quotes
riscv: fix misaligned access handling of C.SWSP and C.SDSP
RISC-V: hwprobe: Always use u64 for extension bits
Support rv32 ULEB128 test
riscv: Correct type casting in module loading
riscv: Safely remove entries from relocation list
Most of the changes are devicetree fixes for NXP, Mediatek, Rockchips
Arm machines as well as Microchip RISC-V, and most of these address
build-time warnings for spec violations and other minor issues. One of
the Mediatek warnings was enabled by default and prevented a clean build.
The ones that address serious runtime issues are all on the i.MX platform:
- a boot time panic on imx8qm
- USB hanging under load on imx8
- regressions on the imx93 ethernet phy
Code fixes include a minor error handling for the i.MX PMU driver, and
a number of firmware driver fixes:
- OP-TEE fix for supplicant based device enumeration, and a new
sysfs attribute to needed to fix a race against userspace
- Arm SCMI fix for possible truncation/overflow in the frequency
computations
- Multiple FF-A fixes for the newly added notification support.
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Merge tag 'soc-fixes-6.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"Most of the changes are devicetree fixes for NXP, Mediatek, Rockchips
Arm machines as well as Microchip RISC-V, and most of these address
build-time warnings for spec violations and other minor issues. One of
the Mediatek warnings was enabled by default and prevented a clean
build.
The ones that address serious runtime issues are all on the i.MX
platform:
- a boot time panic on imx8qm
- USB hanging under load on imx8
- regressions on the imx93 ethernet phy
Code fixes include a minor error handling for the i.MX PMU driver, and
a number of firmware driver fixes:
- OP-TEE fix for supplicant based device enumeration, and a new sysfs
attribute to needed to fix a race against userspace
- Arm SCMI fix for possible truncation/overflow in the frequency
computations
- Multiple FF-A fixes for the newly added notification support"
* tag 'soc-fixes-6.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (55 commits)
MAINTAINERS: change the S32G2 maintainer's email address.
arm64: dts: rockchip: Fix eMMC Data Strobe PD on rk3588
ARM: dts: imx28-xea: Pass the 'model' property
ARM: dts: imx7: Declare timers compatible with fsl,imx6dl-gpt
MAINTAINERS: reinstate freescale ARM64 DT directory in i.MX entry
arm64: dts: imx8-apalis: set wifi regulator to always-on
ARM: imx: Check return value of devm_kasprintf in imx_mmdc_perf_init
arm64: dts: imx8ulp: update gpio node name to align with register address
arm64: dts: imx93: update gpio node name to align with register address
arm64: dts: imx93: correct mediamix power
arm64: dts: imx8qm: Add imx8qm's own pm to avoid panic during startup
arm64: dts: freescale: imx8-ss-dma: Fix #pwm-cells
arm64: dts: freescale: imx8-ss-lsio: Fix #pwm-cells
dt-bindings: pwm: imx-pwm: Unify #pwm-cells for all compatibles
ARM: dts: imx6ul-pico: Describe the Ethernet PHY clock
arm64: dts: imx8mp: imx8mq: Add parkmode-disable-ss-quirk on DWC3
arm64: dts: rockchip: Fix PCI node addresses on rk3399-gru
arm64: dts: rockchip: drop interrupt-names property from rk3588s dfi
firmware: arm_scmi: Fix possible frequency truncation when using level indexing mode
firmware: arm_scmi: Fix frequency truncation by promoting multiplier type
...
- Snapshot buffer issues
1. When instances started allowing latency tracers, it uses
a snapshot buffer (another buffer that is not written to
but swapped with the main buffer that is). The snapshot buffer
needs to be the same size as the main buffer. But when the
snapshot buffers were added to instances, the code to make
the snapshot equal to the main buffer still was only doing it
for the main buffer and not the instances.
2. Need to stop the current tracer when resizing the buffers.
Otherwise there can be a race if the tracer decides to make
a snapshot between resizing the main buffer and the snapshot
buffer.
3. When a tracer is "stopped" in disables both the main buffer
and the snapshot buffer. This needs to be done for instances
and not only the main buffer, now that instances also have
a snapshot buffer.
- Buffered event for filtering issues
When filtering is enabled, because events can be dropped often,
it is quicker to copy the event into a temp buffer and write that
into the main buffer if it is not filtered or just drop the event
if it is, than to write the event into the ring buffer and then
try to discard it. This temp buffer is allocated and needs special
synchronization to do so. But there were some issues with that:
1. When disabling the filter and freeing the buffer, a call to all
CPUs is required to stop each per_cpu usage. But the code
called smp_call_function_many() which does not include the
current CPU. If the task is migrated to another CPU when it
enables the CPUs via smp_call_function_many(), it will not enable
the one it is currently on and this causes issues later on.
Use on_each_cpu_mask() instead, which includes the current CPU.
2. When the allocation of the buffered event fails, it can give
a warning. But the buffered event is just an optimization
(it's still OK to write to the ring buffer and free it).
Do not WARN in this case.
3. The freeing of the buffer event requires synchronization.
First a counter is decremented to zero so that no new uses
of it will happen. Then it sets the buffered event to NULL,
and finally it frees the buffered event. There's a synchronize_rcu()
between the counter decrement and the setting the variable to
NULL, but only a smp_wmb() between that and the freeing of the
buffer. It is theoretically possible that a user missed seeing
the decrement, but will use the buffer after it is free. Another
synchronize_rcu() is needed in place of that smp_wmb().
- ring buffer timestamps on 32 bit machines
The ring buffer timestamp on 32 bit machines has to break the 64 bit
number into multiple values as cmpxchg is required on it, and a
64 bit cmpxchg on 32 bit architectures is very slow. The code use
to just use two 32 bit values and make it a 60 bit timestamp where
the other 4 bits were used as counters for synchronization. It later
came known that the timestamp on 32 bit still need all 64 bits in
some cases. So 3 words were created to handle the 64 bits. But issues
arised with this:
1. The synchronization logic still only compared the counter
with the first two, but not with the third number, so the
synchronization could fail unknowingly.
2. A check on discard of an event could race if an event happened
between the discard and updating one of the counters. The
counter needs to be updated (forcing an absolute timestamp
and not to use a delta) before the actual discard happens.
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Merge tag 'trace-v6.7-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing fixes from Steven Rostedt:
- Snapshot buffer issues:
1. When instances started allowing latency tracers, it uses a
snapshot buffer (another buffer that is not written to but swapped
with the main buffer that is). The snapshot buffer needs to be the
same size as the main buffer. But when the snapshot buffers were
added to instances, the code to make the snapshot equal to the
main buffer still was only doing it for the main buffer and not
the instances.
2. Need to stop the current tracer when resizing the buffers.
Otherwise there can be a race if the tracer decides to make a
snapshot between resizing the main buffer and the snapshot buffer.
3. When a tracer is "stopped" in disables both the main buffer and
the snapshot buffer. This needs to be done for instances and not
only the main buffer, now that instances also have a snapshot
buffer.
- Buffered event for filtering issues:
When filtering is enabled, because events can be dropped often, it is
quicker to copy the event into a temp buffer and write that into the
main buffer if it is not filtered or just drop the event if it is,
than to write the event into the ring buffer and then try to discard
it. This temp buffer is allocated and needs special synchronization
to do so. But there were some issues with that:
1. When disabling the filter and freeing the buffer, a call to all
CPUs is required to stop each per_cpu usage. But the code called
smp_call_function_many() which does not include the current CPU.
If the task is migrated to another CPU when it enables the CPUs
via smp_call_function_many(), it will not enable the one it is
currently on and this causes issues later on. Use
on_each_cpu_mask() instead, which includes the current CPU.
2.When the allocation of the buffered event fails, it can give a
warning. But the buffered event is just an optimization (it's
still OK to write to the ring buffer and free it). Do not WARN in
this case.
3.The freeing of the buffer event requires synchronization. First a
counter is decremented to zero so that no new uses of it will
happen. Then it sets the buffered event to NULL, and finally it
frees the buffered event. There's a synchronize_rcu() between the
counter decrement and the setting the variable to NULL, but only a
smp_wmb() between that and the freeing of the buffer. It is
theoretically possible that a user missed seeing the decrement,
but will use the buffer after it is free. Another
synchronize_rcu() is needed in place of that smp_wmb().
- ring buffer timestamps on 32 bit machines
The ring buffer timestamp on 32 bit machines has to break the 64 bit
number into multiple values as cmpxchg is required on it, and a 64
bit cmpxchg on 32 bit architectures is very slow. The code use to
just use two 32 bit values and make it a 60 bit timestamp where the
other 4 bits were used as counters for synchronization. It later came
known that the timestamp on 32 bit still need all 64 bits in some
cases. So 3 words were created to handle the 64 bits. But issues
arised with this:
1. The synchronization logic still only compared the counter with
the first two, but not with the third number, so the
synchronization could fail unknowingly.
2. A check on discard of an event could race if an event happened
between the discard and updating one of the counters. The counter
needs to be updated (forcing an absolute timestamp and not to use
a delta) before the actual discard happens.
* tag 'trace-v6.7-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
ring-buffer: Test last update in 32bit version of __rb_time_read()
ring-buffer: Force absolute timestamp on discard of event
tracing: Fix a possible race when disabling buffered events
tracing: Fix a warning when allocating buffered events fails
tracing: Fix incomplete locking when disabling buffered events
tracing: Disable snapshot buffer when stopping instance tracers
tracing: Stop current tracer when resizing buffer
tracing: Always update snapshot buffer size
The remainder address post-6.6 issues or aren't considered serious enough
to justify backporting.
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Merge tag 'mm-hotfixes-stable-2023-12-07-18-47' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"31 hotfixes. Ten of these address pre-6.6 issues and are marked
cc:stable. The remainder address post-6.6 issues or aren't considered
serious enough to justify backporting"
* tag 'mm-hotfixes-stable-2023-12-07-18-47' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (31 commits)
mm/madvise: add cond_resched() in madvise_cold_or_pageout_pte_range()
nilfs2: prevent WARNING in nilfs_sufile_set_segment_usage()
mm/hugetlb: have CONFIG_HUGETLB_PAGE select CONFIG_XARRAY_MULTI
scripts/gdb: fix lx-device-list-bus and lx-device-list-class
MAINTAINERS: drop Antti Palosaari
highmem: fix a memory copy problem in memcpy_from_folio
nilfs2: fix missing error check for sb_set_blocksize call
kernel/Kconfig.kexec: drop select of KEXEC for CRASH_DUMP
units: add missing header
drivers/base/cpu: crash data showing should depends on KEXEC_CORE
mm/damon/sysfs-schemes: add timeout for update_schemes_tried_regions
scripts/gdb/tasks: fix lx-ps command error
mm/Kconfig: make userfaultfd a menuconfig
selftests/mm: prevent duplicate runs caused by TEST_GEN_PROGS
mm/damon/core: copy nr_accesses when splitting region
lib/group_cpus.c: avoid acquiring cpu hotplug lock in group_cpus_evenly
checkstack: fix printed address
mm/memory_hotplug: fix error handling in add_memory_resource()
mm/memory_hotplug: add missing mem_hotplug_lock
.mailmap: add a new address mapping for Chester Lin
...
MS confirm that "AISi" name of SMB2_CREATE_ALLOCATION_SIZE in MS-SMB2
specification is a typo. cifs/ksmbd have been using this wrong name from
MS-SMB2. It should be "AlSi". Also It will cause problem when running
smb2.create.open test in smbtorture against ksmbd.
Cc: stable@vger.kernel.org
Fixes: 12197a7fdda9 ("Clarify SMB2/SMB3 create context and add missing ones")
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Reviewed-by: Paulo Alcantara (SUSE) <pc@manguebit.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
When client send SMB2_CREATE_ALLOCATION_SIZE create context, ksmbd update
old size to ->AllocationSize in smb2 create response. ksmbd_vfs_getattr()
should be called after it to get updated stat result.
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
opinfo_put() could be called twice on error of smb21_lease_break_ack().
It will cause UAF issue if opinfo is referenced on other places.
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Don't immediately send directory lease break notification on smb2_write().
Instead, It postpones it until smb2_close().
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
If client send different parent key, different client guid, or there is
no parent lease key flags in create context v2 lease, ksmbd send lease
break to client.
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Fix kernel-doc function notation and comment formatting to prevent
warnings from scripts/kernel-doc.
for drivers/platform/x86/intel_ips.c:
595: warning: No description found for return value of 'mcp_exceeded'
624: warning: No description found for return value of 'cpu_exceeded'
650: warning: No description found for return value of 'mch_exceeded'
745: warning: bad line: cpu+ gpu+ cpu+gpu- cpu-gpu+ cpu-gpu-
746: warning: bad line: cpu < gpu < cpu+gpu+ cpu+ gpu+ nothing
753: warning: No description found for return value of 'ips_adjust'
747: warning: bad line: cpu < gpu >= cpu+gpu-(mcp<) cpu+gpu-(mcp<) gpu- gpu-
748: warning: bad line: cpu >= gpu < cpu-gpu+(mcp<) cpu- cpu-gpu+(mcp<) cpu-
749: warning: bad line: cpu >= gpu >= cpu-gpu- cpu-gpu- cpu-gpu- cpu-gpu-
945: warning: No description found for return value of 'ips_monitor'
1151: warning: No description found for return value of 'ips_irq_handler'
1301: warning: Function parameter or member 'ips' not described in 'ips_detect_cpu'
1302: warning: No description found for return value of 'ips_detect_cpu'
1358: warning: No description found for return value of 'ips_get_i915_syms'
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Cc: platform-driver-x86@vger.kernel.org
Link: https://lore.kernel.org/r/20231206060120.4816-1-rdunlap@infradead.org
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Add a function's return description and don't misuse "/**" for
non-kernel-doc comments to prevent warnings from scripts/kernel-doc.
thinkpad_acpi.c:523: warning: No description found for return value of 'tpacpi_check_quirks'
thinkpad_acpi.c:9307: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
thinkpad_acpi.c:9307: warning: missing initial short description on line:
* This evaluates a ACPI method call specific to the battery
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
CC: ibm-acpi-devel@lists.sourceforge.net
CC: platform-driver-x86@vger.kernel.org
Reviewed-by: mpearson-lenovo@squebb.ca
Link: https://lore.kernel.org/r/20231206060144.8260-1-rdunlap@infradead.org
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
2 issues have been reported on the Dell Inspiron 7352:
1. Sometimes the tablet-mode-switch stops reporting tablet-mode
change events.
Add a "VBDL" call to notify_handler() to work around this.
2. Sometimes the tablet-mode is incorrect after suspend/resume
Add a detect_tablet_mode() to resume() to fix this.
Reported-by: Arnold Gozum <arngozum@gmail.com>
Closes: https://lore.kernel.org/platform-driver-x86/87271a74-c831-4eec-b7a4-1371d0e42471@gmail.com/
Tested-by: Arnold Gozum <arngozum@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Link: https://lore.kernel.org/r/20231204150601.46976-1-hdegoede@redhat.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Lorenzo points out that we effectively clear all unknown
flags from PIO when copying them to userspace in the netlink
RTM_NEWPREFIX notification.
We could fix this one at a time as new flags are defined,
or in one fell swoop - I choose the latter.
We could either define 6 new reserved flags (reserved1..6) and handle
them individually (and rename them as new flags are defined), or we
could simply copy the entire unmodified byte over - I choose the latter.
This unfortunately requires some anonymous union/struct magic,
so we add a static assert on the struct size for a little extra safety.
Cc: David Ahern <dsahern@kernel.org>
Cc: Lorenzo Colitti <lorenzo@google.com>
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
We are seeing cases where neigh_cleanup_and_release() is called by
neigh_forced_gc() many times in a row with preemption turned off.
When running on a low powered CPU at a low CPU frequency, this has
been measured to keep preemption off for ~10 ms. That's not great on a
system with HZ=1000 which expects tasks to be able to schedule in
with ~1ms latency.
Suggested-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Judy Hsiao <judyhsiao@chromium.org>
Reviewed-by: David Ahern <dsahern@kernel.org>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Merge tag 'mlx5-fixes-2023-12-04' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
mlx5 fixes 2023-12-04
This series provides bug fixes to mlx5 driver.
V1->V2:
- Drop commit #9 ("net/mlx5e: Forbid devlink reload if IPSec rules are
offloaded"), we are working on a better fix
Please pull and let me know if there is any problem.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
All over the place this time. From adapting the size of the vdec nodes
on rk3328 and rk3399, fixing some wrong pinctrl settings on rk3128 and
the Turing RK1 board, emmc-settings fixes on rk3588 and interrupt-name
mishaps, down to some dt-cleanups.
Also this adds the missing rockchip,rk3588-pmugrf compatible to the soc
grf binding, that I somehow messed up during the pull requests for the
-rc1 . At least with it included the dt-checker is happier.
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Merge tag 'v6.7-rockchip-dtsfixes1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into arm/fixes
Devicetree fixes for the 6.7-cycle.
All over the place this time. From adapting the size of the vdec nodes
on rk3328 and rk3399, fixing some wrong pinctrl settings on rk3128 and
the Turing RK1 board, emmc-settings fixes on rk3588 and interrupt-name
mishaps, down to some dt-cleanups.
Also this adds the missing rockchip,rk3588-pmugrf compatible to the soc
grf binding, that I somehow messed up during the pull requests for the
-rc1 . At least with it included the dt-checker is happier.
* tag 'v6.7-rockchip-dtsfixes1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
arm64: dts: rockchip: Fix eMMC Data Strobe PD on rk3588
arm64: dts: rockchip: Fix PCI node addresses on rk3399-gru
arm64: dts: rockchip: drop interrupt-names property from rk3588s dfi
arm64: dts: rockchip: Fix Turing RK1 interrupt pinctrls
ARM: dts: rockchip: Fix sdmmc_pwren's pinmux setting for RK3128
arm64: dts: rockchip: minor whitespace cleanup around '='
ARM: dts: rockchip: minor whitespace cleanup around '='
dt-bindings: soc: rockchip: grf: add rockchip,rk3588-pmugrf
arm64: dts: rockchip: fix rk356x pcie msg interrupt name
arm64: dts: rockchip: Expand reg size of vdec node for RK3399
arm64: dts: rockchip: Expand reg size of vdec node for RK3328
Link: https://lore.kernel.org/r/2709704.mvXUDI8C0e@phil
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
We could delete directories transactionally on rmdir()/unlink(), but we
don't; instead, like with regular files we wait for the VFS to call
evict().
That means that our check for directories in the deleted inodes btree is
wrong - the check should be for non-empty directories.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
- Fix a potential error pointer dereference by checking the return value
of exynos_drm_crtc_get_by_type() function before accessing to crtc
object.
- Fix a wrong error checking in exynos_drm_dma.c modules, which was reported
by Dan[1]
[1] https://lore.kernel.org/all/33e52277-1349-472b-a55b-ab5c3462bfcf@moroto.mountain/
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Merge tag 'exynos-drm-next-for-v6.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos into drm-fixes
Two fixups
- Fix a potential error pointer dereference by checking the return value
of exynos_drm_crtc_get_by_type() function before accessing to crtc
object.
- Fix a wrong error checking in exynos_drm_dma.c modules, which was reported
by Dan[1]
[1] https://lore.kernel.org/all/33e52277-1349-472b-a55b-ab5c3462bfcf@moroto.mountain/
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Inki Dae <inki.dae@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231207042223.2473706-1-inki.dae@samsung.com
Current release - regressions:
- veth: fix packet segmentation in veth_convert_skb_to_xdp_buff
Current release - new code bugs:
- tcp: assorted fixes to the new Auth Option support
Older releases - regressions:
- tcp: fix mid stream window clamp
- tls: fix incorrect splice handling
- ipv4: ip_gre: handle skb_pull() failure in ipgre_xmit()
- dsa: mv88e6xxx: restore USXGMII support for 6393X
- arcnet: restore support for multiple Sohard Arcnet cards
Older releases - always broken:
- tcp: do not accept ACK of bytes we never sent
- require admin privileges to receive packet traces via netlink
- packet: move reference count in packet_sock to atomic_long_t
- bpf:
- fix incorrect branch offset comparison with cpu=v4
- fix prog_array_map_poke_run map poke update
- netfilter:
- 3 fixes for crashes on bad admin commands
- xt_owner: fix race accessing sk->sk_socket, TOCTOU null-deref
- nf_tables: fix 'exist' matching on bigendian arches
- leds: netdev: fix RTNL handling to prevent potential deadlock
- eth: tg3: prevent races in error/reset handling
- eth: r8169: fix rtl8125b PAUSE storm when suspended
- eth: r8152: improve reset and surprise removal handling
- eth: hns: fix race between changing features and sending
- eth: nfp: fix sleep in atomic for bonding offload
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from bpf and netfilter.
Current release - regressions:
- veth: fix packet segmentation in veth_convert_skb_to_xdp_buff
Current release - new code bugs:
- tcp: assorted fixes to the new Auth Option support
Older releases - regressions:
- tcp: fix mid stream window clamp
- tls: fix incorrect splice handling
- ipv4: ip_gre: handle skb_pull() failure in ipgre_xmit()
- dsa: mv88e6xxx: restore USXGMII support for 6393X
- arcnet: restore support for multiple Sohard Arcnet cards
Older releases - always broken:
- tcp: do not accept ACK of bytes we never sent
- require admin privileges to receive packet traces via netlink
- packet: move reference count in packet_sock to atomic_long_t
- bpf:
- fix incorrect branch offset comparison with cpu=v4
- fix prog_array_map_poke_run map poke update
- netfilter:
- three fixes for crashes on bad admin commands
- xt_owner: fix race accessing sk->sk_socket, TOCTOU null-deref
- nf_tables: fix 'exist' matching on bigendian arches
- leds: netdev: fix RTNL handling to prevent potential deadlock
- eth: tg3: prevent races in error/reset handling
- eth: r8169: fix rtl8125b PAUSE storm when suspended
- eth: r8152: improve reset and surprise removal handling
- eth: hns: fix race between changing features and sending
- eth: nfp: fix sleep in atomic for bonding offload"
* tag 'net-6.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (62 commits)
vsock/virtio: fix "comparison of distinct pointer types lacks a cast" warning
net/smc: fix missing byte order conversion in CLC handshake
net: dsa: microchip: provide a list of valid protocols for xmit handler
drop_monitor: Require 'CAP_SYS_ADMIN' when joining "events" group
psample: Require 'CAP_NET_ADMIN' when joining "packets" group
bpf: sockmap, updating the sg structure should also update curr
net: tls, update curr on splice as well
nfp: flower: fix for take a mutex lock in soft irq context and rcu lock
net: dsa: mv88e6xxx: Restore USXGMII support for 6393X
tcp: do not accept ACK of bytes we never sent
selftests/bpf: Add test for early update in prog_array_map_poke_run
bpf: Fix prog_array_map_poke_run map poke update
netfilter: xt_owner: Fix for unsafe access of sk->sk_socket
netfilter: nf_tables: validate family when identifying table via handle
netfilter: nf_tables: bail out on mismatching dynset and set expressions
netfilter: nf_tables: fix 'exist' matching on bigendian arches
netfilter: nft_set_pipapo: skip inactive elements during set walk
netfilter: bpf: fix bad registration on nf_defrag
leds: trigger: netdev: fix RTNL handling to prevent potential deadlock
octeontx2-af: Update Tx link register range
...
drm/i915 fixes for v6.7-rc5:
- d21a3962d304 ("drm/i915: Call intel_pre_plane_updates() also for pipes
getting enabled") in the previous fixes pull depends on a change that
wasn't included. Pick it up.
- Relax BXT/GLK DSI transcoder hblank limits
- Fix DP MST .mode_valid_ctx() return values
- Reject DP MST modes that require bigjoiner (as it's not yet supported on DP MST)
- Fix _intel_dsb_commit() variable type to allow negative values
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/87msum1hv8.fsf@intel.com
Just one patch.
f5d39b020809 ("freezer,sched: Rewrite core freezer logic") changed how
freezing state is recorded which cgroup_freezing() disagree with the actual
state of the task while thawing triggering a warning. Fix it by updating
cgroup_freezing().
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Merge tag 'cgroup-for-6.7-rc4-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
Pull cgroup fix from Tejun Heo:
"Just one fix.
Commit f5d39b020809 ("freezer,sched: Rewrite core freezer logic")
changed how freezing state is recorded which made cgroup_freezing()
disagree with the actual state of the task while thawing triggering a
warning. Fix it by updating cgroup_freezing()"
* tag 'cgroup-for-6.7-rc4-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
cgroup_freezer: cgroup_freezing: Check if not frozen
If a pointer to an uninitialized struct acpi_handle_list is passed to
acpi_evaluate_reference() and it decides to bail out early, either
because acpi_evaluate_object() fails, or because it produces invalid
data, the handles pointer from the struct acpi_handle_list will be
passed to kfree() and if it is not NULL, the kernel will crash on an
attempt to free unallocated memory.
Address this by moving the "end" label in acpi_evaluate_reference() to
the end of the function, which is sufficient, because no cleanup is
needed in that case.
Fixes: 2e57d10a6591 ("ACPI: utils: Dynamically determine acpi_handle_list size")
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Tested-by: Woody Suwalski <terraluna977@gmail.com>
Just one patch to fix a bug which can crash the kernel if the housekeeping
and wq_unbound_cpu cpumask configuration combination leaves the latter
empty.
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Merge tag 'wq-for-6.7-rc4-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq
Pull workqueue fix from Tejun Heo:
"Just one patch to fix a bug which can crash the kernel if the
housekeeping and wq_unbound_cpu cpumask configuration combination
leaves the latter empty"
* tag 'wq-for-6.7-rc4-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
workqueue: Make sure that wq_unbound_cpumask is never empty
An incremental fix for the fix introduced during the merge window for
caching of the selector for windowed register ranges, we were
incorrectly leaking an error code in the case where the last selector
accessed was for some reason not cached.
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Merge tag 'regmap-fix-v6.7-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap
Pull regmap fix from Mark Brown:
"An incremental fix for the fix introduced during the merge window for
caching of the selector for windowed register ranges. We were
incorrectly leaking an error code in the case where the last selector
accessed was for some reason not cached"
* tag 'regmap-fix-v6.7-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
regmap: fix bogus error on regcache_sync success
- Fix dt-extract-compatibles for builds with in tree build directory
- Drop Xinlei Lee <xinlei.lee@mediatek.com> bouncing email
- Fix the of_reconfig_get_state_change() return value documentation
- Add missing #power-domain-cells property to QCom MPM
- Fix warnings in i.MX LCDIF and adi,adv7533
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Merge tag 'devicetree-fixes-for-6.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree fixes from Rob Herring:
- Fix dt-extract-compatibles for builds with in tree build directory
- Drop Xinlei Lee <xinlei.lee@mediatek.com> bouncing email
- Fix the of_reconfig_get_state_change() return value documentation
- Add missing #power-domain-cells property to QCom MPM
- Fix warnings in i.MX LCDIF and adi,adv7533
* tag 'devicetree-fixes-for-6.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
dt-bindings: display: adi,adv75xx: Document #sound-dai-cells
dt-bindings: lcdif: Properly describe the i.MX23 interrupts
dt-bindings: interrupt-controller: Allow #power-domain-cells
of: dynamic: Fix of_reconfig_get_state_change() return value documentation
dt-bindings: display: mediatek: dsi: remove Xinlei's mail
dt: dt-extract-compatibles: Don't follow symlinks when walking tree
Highlights:
- asus-wmi: Solve i8042 filter resource handling, input, and
suspend issues
- wmi: Skip zero instance WMI blocks to avoid issues with
some laptops
- mlxbf-bootctl: Differentiate dev/production keys
- platform/surface: Correct serdev related return value to avoid
leaking errno into userspace
- Error checking fixes
The following is an automated shortlog grouped by driver:
asus-wmi:
- Change q500a_i8042_filter() into a generic i8042-filter
- disable USB0 hub on ROG Ally before suspend
- Filter Volume key presses if also reported via atkbd
- Move i8042 filter install to shared asus-wmi code
mellanox:
- Add null pointer checks for devm_kasprintf()
- Check devm_hwmon_device_register_with_groups() return value
mlxbf-bootctl:
- correctly identify secure boot with development keys
surface: aggregator:
- fix recv_buf() return value
wmi:
- Skip blocks with zero instances
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Merge tag 'platform-drivers-x86-v6.7-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver fixes from Ilpo Järvinen:
- Fix i8042 filter resource handling, input, and suspend issues in
asus-wmi
- Skip zero instance WMI blocks to avoid issues with some laptops
- Differentiate dev/production keys in mlxbf-bootctl
- Correct surface serdev related return value to avoid leaking errno
into userspace
- Error checking fixes
* tag 'platform-drivers-x86-v6.7-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
platform/mellanox: Check devm_hwmon_device_register_with_groups() return value
platform/mellanox: Add null pointer checks for devm_kasprintf()
mlxbf-bootctl: correctly identify secure boot with development keys
platform/x86: wmi: Skip blocks with zero instances
platform/surface: aggregator: fix recv_buf() return value
platform/x86: asus-wmi: disable USB0 hub on ROG Ally before suspend
platform/x86: asus-wmi: Filter Volume key presses if also reported via atkbd
platform/x86: asus-wmi: Change q500a_i8042_filter() into a generic i8042-filter
platform/x86: asus-wmi: Move i8042 filter install to shared asus-wmi code
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Merge tag 'x86-int80-20231207' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 int80 fixes from Dave Hansen:
"Avoid VMM misuse of 'int 0x80' handling in TDX and SEV guests.
It also has the very nice side effect of getting rid of a bunch of
assembly entry code"
* tag 'x86-int80-20231207' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/tdx: Allow 32-bit emulation by default
x86/entry: Do not allow external 0x80 interrupts
x86/entry: Convert INT 0x80 emulation to IDTENTRY
x86/coco: Disable 32-bit emulation by default on TDX and SEV
New mddev_resume() calls are added to synchronize IO with array
reconfiguration, however, this introduces a performance regression while
adding it in md_start_sync():
1) someone sets MD_RECOVERY_NEEDED first;
2) daemon thread grabs reconfig_mutex, then clears MD_RECOVERY_NEEDED and
queues a new sync work;
3) daemon thread releases reconfig_mutex;
4) in md_start_sync
a) check that there are spares that can be added/removed, then suspend
the array;
b) remove_and_add_spares may not be called, or called without really
add/remove spares;
c) resume the array, then set MD_RECOVERY_NEEDED again!
Loop between 2 - 4, then mddev_suspend() will be called quite often, for
consequence, normal IO will be quite slow.
Fix this problem by don't set MD_RECOVERY_NEEDED again in md_start_sync(),
hence the loop will be broken.
Fixes: bc08041b32ab ("md: suspend array in md_start_sync() if array need reconfiguration")
Suggested-by: Song Liu <song@kernel.org>
Reported-by: Janpieter Sollie <janpieter.sollie@edpnet.be>
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=218200
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Signed-off-by: Song Liu <song@kernel.org>
Link: https://lore.kernel.org/r/20231207020724.2797445-1-yukuai1@huaweicloud.com
