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Merge tag 'for-linus-2024060801' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
Pull HID fixes from Benjamin Tissoires:
- fix potential read out of bounds in hid-asus (Andrew Ballance)
- fix endian-conversion on little endian systems in intel-ish-hid (Arnd
Bergmann)
- A couple of new input event codes (Aseda Aboagye)
- errors handling fixes in hid-nvidia-shield (Chen Ni), hid-nintendo
(Christophe JAILLET), hid-logitech-dj (José Expósito)
- current leakage fix while the device is in suspend on a i2c-hid
laptop (Johan Hovold)
- other assorted smaller fixes and device ID / quirk entry additions
* tag 'for-linus-2024060801' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid:
HID: Ignore battery for ELAN touchscreens 2F2C and 4116
HID: i2c-hid: elan: fix reset suspend current leakage
dt-bindings: HID: i2c-hid: elan: add 'no-reset-on-power-off' property
dt-bindings: HID: i2c-hid: elan: add Elan eKTH5015M
dt-bindings: HID: i2c-hid: add dedicated Ilitek ILI2901 schema
input: Add support for "Do Not Disturb"
input: Add event code for accessibility key
hid: asus: asus_report_fixup: fix potential read out of bounds
HID: logitech-hidpp: add missing MODULE_DESCRIPTION() macro
HID: intel-ish-hid: fix endian-conversion
HID: nintendo: Fix an error handling path in nintendo_hid_probe()
HID: logitech-dj: Fix memory leak in logi_dj_recv_switch_to_dj_mode()
HID: core: remove unnecessary WARN_ON() in implement()
HID: nvidia-shield: Add missing check for input_ff_create_memless
HID: intel-ish-hid: Fix build error for COMPILE_TEST
- Fix the initial state of the save button in 'make gconfig'
- Improve the Kconfig documentation
- Fix a Kconfig bug regarding property visibility
- Fix build breakage for systems where 'sed' is not installed in /bin
- Fix a false warning about missing MODULE_DESCRIPTION()
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Merge tag 'kbuild-fixes-v6.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild fixes from Masahiro Yamada:
- Fix the initial state of the save button in 'make gconfig'
- Improve the Kconfig documentation
- Fix a Kconfig bug regarding property visibility
- Fix build breakage for systems where 'sed' is not installed in /bin
- Fix a false warning about missing MODULE_DESCRIPTION()
* tag 'kbuild-fixes-v6.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
modpost: do not warn about missing MODULE_DESCRIPTION() for vmlinux.o
kbuild: explicitly run mksysmap as sed script from link-vmlinux.sh
kconfig: remove wrong expr_trans_bool()
kconfig: doc: document behavior of 'select' and 'imply' followed by 'if'
kconfig: doc: fix a typo in the note about 'imply'
kconfig: gconf: give a proper initial state to the Save button
kconfig: remove unneeded code for user-supplied values being out of range
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Merge tag 'media/v6.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fixes from Mauro Carvalho Chehab:
- fixes for the new ipu6 driver (and related fixes to mei csi driver)
- fix a double debugfs remove logic at mgb4 driver
- a documentation fix
* tag 'media/v6.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
media: intel/ipu6: add csi2 port sanity check in notifier bound
media: intel/ipu6: update the maximum supported csi2 port number to 6
media: mei: csi: Warn less verbosely of a missing device fwnode
media: mei: csi: Put the IPU device reference
media: intel/ipu6: fix the buffer flags caused by wrong parentheses
media: intel/ipu6: Fix an error handling path in isys_probe()
media: intel/ipu6: Move isys_remove() close to isys_probe()
media: intel/ipu6: Fix some redundant resources freeing in ipu6_pci_remove()
media: Documentation: v4l: Fix ACTIVE route flag
media: mgb4: Fix double debugfs remove
that can result in missed wakeups and hung tasks.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'perf-urgent-2024-06-08' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf event fix from Ingo Molnar:
"Fix race between perf_event_free_task() and perf_event_release_kernel()
that can result in missed wakeups and hung tasks"
* tag 'perf-urgent-2024-06-08' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/core: Fix missing wakeup when waiting for context reference
All except the nilfs2 fix affect MM and all are singletons - see the
chagelogs for details.
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Merge tag 'mm-hotfixes-stable-2024-06-07-15-24' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"14 hotfixes, 6 of which are cc:stable.
All except the nilfs2 fix affect MM and all are singletons - see the
chagelogs for details"
* tag 'mm-hotfixes-stable-2024-06-07-15-24' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
nilfs2: fix nilfs_empty_dir() misjudgment and long loop on I/O errors
mm: fix xyz_noprof functions calling profiled functions
codetag: avoid race at alloc_slab_obj_exts
mm/hugetlb: do not call vma_add_reservation upon ENOMEM
mm/ksm: fix ksm_zero_pages accounting
mm/ksm: fix ksm_pages_scanned accounting
kmsan: do not wipe out origin when doing partial unpoisoning
vmalloc: check CONFIG_EXECMEM in is_vmalloc_or_module_addr()
mm: page_alloc: fix highatomic typing in multi-block buddies
nilfs2: fix potential kernel bug due to lack of writeback flag waiting
memcg: remove the lockdep assert from __mod_objcg_mlstate()
mm: arm64: fix the out-of-bounds issue in contpte_clear_young_dirty_ptes
mm: huge_mm: fix undefined reference to `mthp_stats' for CONFIG_SYSFS=n
mm: drop the 'anon_' prefix for swap-out mTHP counters
- set of interrupt handling and Kconfig fixes for gpio-tqmx86
- add a buffer for storing output values in gpio-tqmx86 as reading back the
registers always returns the input values
- add missing MODULE_DESCRIPTION()s to several GPIO drivers
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Merge tag 'gpio-fixes-for-v6.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fixes from Bartosz Golaszewski:
- interrupt handling and Kconfig fixes for gpio-tqmx86
- add a buffer for storing output values in gpio-tqmx86 as reading back
the registers always returns the input values
- add missing MODULE_DESCRIPTION()s to several GPIO drivers
* tag 'gpio-fixes-for-v6.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpio: add missing MODULE_DESCRIPTION() macros
gpio: tqmx86: fix broken IRQ_TYPE_EDGE_BOTH interrupt type
gpio: tqmx86: store IRQ trigger type and unmask status separately
gpio: tqmx86: introduce shadow register for GPIO output value
gpio: tqmx86: fix typo in Kconfig label
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Merge tag 'io_uring-6.10-20240607' of git://git.kernel.dk/linux
Pull io_uring fixes from Jens Axboe:
- Fix a locking order issue with setting max async thread workers
(Hagar)
- Fix for a NULL pointer dereference for failed async flagged requests
using ring provided buffers. This doesn't affect the current kernel,
but it does affect older kernels, and is being queued up for 6.10
just to make the stable process easier (me)
- Fix for NAPI timeout calculations for how long to busy poll, and
subsequently how much to sleep post that if a wait timeout is passed
in (me)
- Fix for a regression in this release cycle, where we could end up
using a partially unitialized match value for io-wq (Su)
* tag 'io_uring-6.10-20240607' of git://git.kernel.dk/linux:
io_uring: fix possible deadlock in io_register_iowq_max_workers()
io_uring/io-wq: avoid garbage value of 'match' in io_wq_enqueue()
io_uring/napi: fix timeout calculation
io_uring: check for non-NULL file pointer in io_file_can_poll()
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Merge tag 'for-6.10-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fixes from David Sterba:
- fix handling of folio private changes.
The private value holds pointer to our extent buffer structure
representing a metadata range. Release and create of the range was
not properly synchronized when updating the private bit which ended
up in double folio_put, leading to all sorts of breakage
- fix a crash, reported as duplicate key in metadata, but caused by a
race of fsync and size extending write. Requires prealloc target
range + fsync and other conditions (log tree state, timing)
- fix leak of qgroup extent records after transaction abort
* tag 'for-6.10-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: protect folio::private when attaching extent buffer folios
btrfs: fix leak of qgroup extent records after transaction abort
btrfs: fix crash on racing fsync and size-extending write into prealloc
- Fix an occasional memory overwrite caused by a fix added in 6.10
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Merge tag 'nfsd-6.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux
Pull nfsd fix from Chuck Lever:
- Fix an occasional memory overwrite caused by a fix added in 6.10
* tag 'nfsd-6.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux:
SUNRPC: Fix loop termination condition in gss_free_in_token_pages()
* Another fix to avoid allocating pages that overlap with ERR_PTR, which
manifests on rv32.
* A revert for the badaccess patch I incorrectly picked up an early
version of.
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Merge tag 'riscv-for-linus-6.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
- Another fix to avoid allocating pages that overlap with ERR_PTR,
which manifests on rv32
- A revert for the badaccess patch I incorrectly picked up an early
version of
* tag 'riscv-for-linus-6.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
Revert "riscv: mm: accelerate pagefault when badaccess"
riscv: fix overlap of allocated page and PTR_ERR
- Do not create PT_LOAD program header for the kenel image when
the virtual memory informaton in OS_INFO data is not available.
That fixes stand-alone dump failures against kernels that do not
provide the virtual memory informaton
- Add KVM s390 shared zeropage selftest
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Merge tag 's390-6.10-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Alexander Gordeev:
- Do not create PT_LOAD program header for the kenel image when the
virtual memory informaton in OS_INFO data is not available. That
fixes stand-alone dump failures against kernels that do not provide
the virtual memory informaton
- Add KVM s390 shared zeropage selftest
* tag 's390-6.10-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
KVM: s390x: selftests: Add shared zeropage test
s390/crash: Do not use VM info if os_info does not have it
Highlights:
- Default silead touchscreen driver to 10 fingers and drop 10 finger setting
from all DMI quirks. More of a cleanup then a pure fix, but since the DMI
quirks always get updated through the fixes branch this avoids conflicts.
- Kconfig fix for randconfig builds
- dell-smbios: Fix wrong token data in sysfs
- amd-hsmp: Fix driver poking unsupported hw when loaded manually
The following is an automated git shortlog grouped by driver:
Input:
- silead - Always support 10 fingers
dell-smbios:
- Simplify error handling
- Fix wrong token data in sysfs
platform/x86/amd/hsmp:
- Check HSMP support on AMD family of processors
touchscreen_dmi:
- Use 2-argument strscpy()
- Drop "silead,max-fingers" property
yt2-1380:
- add CONFIG_EXTCON dependency
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Merge tag 'platform-drivers-x86-v6.10-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver fixes from Hans de Goede:
- Default silead touchscreen driver to 10 fingers and drop 10 finger
setting from all DMI quirks. More of a cleanup then a pure fix, but
since the DMI quirks always get updated through the fixes branch
this avoids conflicts.
- Kconfig fix for randconfig builds
- dell-smbios: Fix wrong token data in sysfs
- amd-hsmp: Fix driver poking unsupported hw when loaded manually
* tag 'platform-drivers-x86-v6.10-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
platform/x86/amd/hsmp: Check HSMP support on AMD family of processors
platform/x86: dell-smbios: Simplify error handling
platform/x86: dell-smbios: Fix wrong token data in sysfs
platform/x86: yt2-1380: add CONFIG_EXTCON dependency
platform/x86: touchscreen_dmi: Use 2-argument strscpy()
platform/x86: touchscreen_dmi: Drop "silead,max-fingers" property
Input: silead - Always support 10 fingers
Including:
- Core:
- Make iommu-dma code recognize 'force_aperture' again
- Fix for potential NULL-ptr dereference from iommu_sva_bind_device()
return value
- AMD IOMMU fixes:
- Fix lockdep splat for invalid wait context
- Add feature bit check before enabling PPR
- Make workqueue name fit into buffer
- Fix memory leak in sysfs code
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Merge tag 'iommu-fixes-v6.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull iommu fixes from Joerg Roedel:
"Core:
- Make iommu-dma code recognize 'force_aperture' again
- Fix for potential NULL-ptr dereference from iommu_sva_bind_device()
return value
AMD IOMMU fixes:
- Fix lockdep splat for invalid wait context
- Add feature bit check before enabling PPR
- Make workqueue name fit into buffer
- Fix memory leak in sysfs code"
* tag 'iommu-fixes-v6.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
iommu/amd: Fix Invalid wait context issue
iommu/amd: Check EFR[EPHSup] bit before enabling PPR
iommu/amd: Fix workqueue name
iommu: Return right value in iommu_sva_bind_device()
iommu/dma: Fix domain init
iommu/amd: Fix sysfs leak in iommu init
On some s390 linux machine (mostly older models) and with debug
packages installed, the test case 'perf annotate basic tests' runs
for some longer time.
Speed up the test and save the output of command perf annotate
in a temporary file. This is used to perform pattern matching via
grep command. This saves on invocation of perf annotate which
runs for some time.
Output before:
# time bash -x tests/shell/annotate.sh >/dev/null 2>&1; echo EXIT CODE $?
real 4m35.543s
user 3m19.442s
sys 1m14.322s
EXIT CODE 0
#
Output after:
# time bash -x tests/shell/annotate.sh >/dev/null 2>&1; echo EXIT CODE $?
real 2m2.881s
user 1m30.980s
sys 0m30.684s
EXIT CODE 0
#
Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: gor@linux.ibm.com
Cc: hca@linux.ibm.com
Cc: sumanthk@linux.ibm.com
Cc: svens@linux.ibm.com
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/20240607054352.2774936-1-tmricht@linux.ibm.com
When multiple aggregation options are passed to perf stat the behavior
isn't clear. Consider "perf stat -A --per-socket .." and "perf stat
--per-socket -A ..", the first won't aggregate at all while the second
will do per-socket aggregation, even though the same options were
passed.
Rather than set an enum value, gather the options in a struct and
process them from most to least aggregate. This ensures the least
aggregate option always applies, so no aggregation if "-A" is passed.
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Stephane Eranian <eranian@google.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/20240605063828.195700-2-irogers@google.com
Reduce the scope of stat_options to cmd_stat, and pass as an argument
to __cmd_record. This is done to make more localized changes to the
options in later patches. A side-effect of the change is to reduce the
size of a stripped PIE perf binary by 5952 bytes. The savings come
mainly in the dynamic relocation section.
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Stephane Eranian <eranian@google.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/20240605063828.195700-1-irogers@google.com
- Fix a regression for the PATA MacIO driver were it would fail to probe
because of the recent changes of initializing the limits in SCSI core.
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Merge tag 'ata-6.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux
Pull ata fix from Niklas Cassel:
- Fix a regression for the PATA MacIO driver were it would fail to
probe because of the recent changes of initializing the limits in
SCSI core
* tag 'ata-6.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux:
ata: pata_macio: Fix max_segment_size with PAGE_SIZE == 64K
At least ASUS Zenbook 14 (2023) and ASUS Zenbook 14 Pro (2023) are affected.
The touchscreen reports a battery status of 0% and jumps to 1% when a
stylus is used.
The device ID was added and the battery ignore quirk was enabled for it.
[jkosina@suse.com: reformatted changelog a bit]
Signed-off-by: Louis Dalibard <ontake@ontake.dev>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
The Elan eKTH5015M touch controller found on the Lenovo ThinkPad X13s
shares the VCC33 supply with other peripherals that may remain powered
during suspend (e.g. when enabled as wakeup sources).
The reset line is also wired so that it can be left deasserted when the
supply is off.
This is important as it avoids holding the controller in reset for
extended periods of time when it remains powered, which can lead to
increased power consumption, and also avoids leaking current through the
X13s reset circuitry during suspend (and after driver unbind).
Use the new 'no-reset-on-power-off' devicetree property to determine
when reset needs to be asserted on power down.
Notably this also avoids wasting power on machine variants without a
touchscreen for which the driver would otherwise exit probe with reset
asserted.
Fixes: bd3cba00dc ("HID: i2c-hid: elan: Add support for Elan eKTH6915 i2c-hid touchscreens")
Cc: <stable@vger.kernel.org> # 6.0
Cc: Douglas Anderson <dianders@chromium.org>
Tested-by: Steev Klimaszewski <steev@kali.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20240507144821.12275-5-johan+linaro@kernel.org
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
When the power supply is shared with other peripherals the reset line
can be wired in such a way that it can remain deasserted regardless of
whether the supply is on or not.
This is important as it can be used to avoid holding the controller in
reset for extended periods of time when it remains powered, something
which can lead to increased power consumption. Leaving reset deasserted
also avoids leaking current through the reset circuitry pull-up
resistors.
Add a new 'no-reset-on-power-off' devicetree property which can be used
by the OS to determine when reset needs to be asserted on power down.
Note that this property can also be used when the supply cannot be
turned off by the OS at all.
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20240507144821.12275-4-johan+linaro@kernel.org
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
Add a compatible string for the Elan eKTH5015M touch controller.
Judging from the current binding and commit bd3cba00dc ("HID: i2c-hid:
elan: Add support for Elan eKTH6915 i2c-hid touchscreens"), eKTH5015M
appears to be compatible with eKTH6915. Notably the power-on sequence is
the same.
While at it, drop a redundant label from the example.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20240507144821.12275-3-johan+linaro@kernel.org
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
The Ilitek ILI2901 touch screen controller was apparently incorrectly
added to the Elan eKTH6915 schema simply because it also has a reset
gpio and is currently managed by the Elan driver in Linux.
The two controllers are not related even if an unfortunate wording in
the commit message adding the Ilitek compatible made it sound like they
were.
Add a dedicated schema for the ILI2901 which does not specify the I2C
address (which is likely 0x41 rather than 0x10 as for other Ilitek touch
controllers) to avoid cluttering the Elan schema with unrelated devices
and to make it easier to find the correct schema when adding further
Ilitek controllers.
Fixes: d74ac6f60a ("dt-bindings: HID: i2c-hid: elan: Introduce Ilitek ili2901")
Cc: Zhengqiao Xia <xiazhengqiao@huaqin.corp-partner.google.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20240507144821.12275-2-johan+linaro@kernel.org
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
HUTRR94 added support for a new usage titled "System Do Not Disturb"
which toggles a system-wide Do Not Disturb setting. This commit simply
adds a new event code for the usage.
Signed-off-by: Aseda Aboagye <aaboagye@chromium.org>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Link: https://lore.kernel.org/r/Zl-gUHE70s7wCAoB@google.com
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
HUTRR116 added support for a new usage titled "System Accessibility
Binding" which toggles a system-wide bound accessibility UI or command.
This commit simply adds a new event code for the usage.
Signed-off-by: Aseda Aboagye <aaboagye@chromium.org>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Link: https://lore.kernel.org/r/Zl-e97O9nvudco5z@google.com
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
On x86, make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/gpio/gpio-gw-pld.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/gpio/gpio-mc33880.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/gpio/gpio-pcf857x.o
Add the missing invocations of the MODULE_DESCRIPTION() macro,
including the one missing in gpio-pl061.c, which is not built for x86.
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://lore.kernel.org/r/20240606-md-drivers-gpio-v1-1-cb42d240ca5c@quicinc.com
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Data may have lots of overlapping mmaps. The regular insert adds at
the end and relies on a later sort. For data with overlapping mappings
the sort will happen during a subsequent maps__find or
__maps__fixup_overlap_and_insert, there's never a period where the
inserted maps buffer up and a single sort happens. To avoid back to
back sorts, maintain the sort order when fixing up and
inserting. Previously the first_ending_after search was O(log n) where
n is the size of maps, and the insert was O(1) but because of the
continuous sorting was becoming O(n*log(n)). With maintaining sort
order, the insert now becomes O(n) for a memmove.
For a perf report on a perf.data file containing overlapping mappings
the time numbers are:
Before:
real 0m5.894s
user 0m5.650s
sys 0m0.231s
After:
real 0m0.675s
user 0m0.454s
sys 0m0.196s
Signed-off-by: Ian Rogers <irogers@google.com>
Reviewed-by: James Clark <james.clark@arm.com>
Cc: Steinar H . Gunderson <sesse@google.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/20240521165109.708593-4-irogers@google.com
When an 'after' map is generated the 'new' map must be before it so
terminate iterating and don't resort. If the entry 'pos' is entirely
overlapped by the 'new' mapping then don't remove and insert the
mapping, just replace - again to remove sorting.
For a perf report on a perf.data file containing overlapping mappings
the time numbers are:
Before:
real 0m9.856s
user 0m9.637s
sys 0m0.204s
After:
real 0m5.894s
user 0m5.650s
sys 0m0.231s
Signed-off-by: Ian Rogers <irogers@google.com>
Reviewed-by: James Clark <james.clark@arm.com>
Cc: Steinar H . Gunderson <sesse@google.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/20240521165109.708593-3-irogers@google.com
In the case 'before' and 'after' are broken out from pos,
maps_by_address may be changed by __maps__insert, as such it needs
re-reading.
Don't ignore the return value from __maps_insert.
Fixes: 659ad3492b ("perf maps: Switch from rbtree to lazily sorted array for addresses")
Signed-off-by: Ian Rogers <irogers@google.com>
Reviewed-by: James Clark <james.clark@arm.com>
Cc: Steinar H . Gunderson <sesse@google.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/20240521165109.708593-2-irogers@google.com
There's now no need to make sure subreq->io_iter is advanced to match
subreq->transferred before calling one of the netfs subrequest termination
functions as the check has been removed netfslib and the iterator is reset
prior to retrying a subreq.
Fixes: 3ee1a1fc39 ("cifs: Cut over to using netfslib")
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Steve French <sfrench@samba.org>
cc: Paulo Alcantara <pc@manguebit.com>
cc: Shyam Prasad N <nspmangalore@gmail.com>
cc: Rohith Surabattula <rohiths.msft@gmail.com>
cc: Jeff Layton <jlayton@kernel.org>
cc: linux-cifs@vger.kernel.org
cc: netfs@lists.linux.dev
cc: linux-fsdevel@vger.kernel.org
cc: linux-mm@kvack.org
Signed-off-by: Steve French <stfrench@microsoft.com>
Unlock cifs_tcp_ses_lock before calling cifs_put_smb_ses() to avoid such
deadlock.
Cc: stable@vger.kernel.org
Signed-off-by: Enzo Matsumiya <ematsumiya@suse.de>
Reviewed-by: Shyam Prasad N <sprasad@microsoft.com>
Reviewed-by: Paulo Alcantara (Red Hat) <pc@manguebit.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Building with W=1 incorrectly emits the following warning:
WARNING: modpost: missing MODULE_DESCRIPTION() in vmlinux.o
This check should apply only to modules.
Fixes: 1fffe7a34c ("script: modpost: emit a warning when the description is missing")
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Vincenzo Palazzo <vincenzopalazzodev@gmail.com>
In commit b18b047002 ("kbuild: change scripts/mksysmap into sed
script"), the mksysmap script was transformed into a sed script,
made directly executable with "#!/bin/sed -f". Apparently, the path to
sed is different on NixOS.
The shebang can't use the env command, otherwise the "sed -f" command
would be treated as a single argument. This can be solved with the -S
flag, but that is a GNU extension. Explicitly use sed instead of relying
on the executable shebang to fix NixOS builds without breaking build
environments using Busybox.
Fixes: b18b047002 ("kbuild: change scripts/mksysmap into sed script")
Reported-by: Kent Overstreet <kent.overstreet@linux.dev>
Signed-off-by: Richard Acayan <mailingradian@gmail.com>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Tested-by: Dmitry Safonov <0x7f454c46@gmail.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
The core change is to detect unusually large number of VPD pages
(caused by device manufacturers having an endiannes issue) and reject
them rather than trying to parse a huge non-existent array. The
remaining fixes are in drivers the most user visible of which is the
ALUA state transition recognition (leads to intermittent I/O errors in
some situations otherwise).
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:
"The core change is to detect unusually large number of VPD pages
(caused by device manufacturers having an endiannes issue) and reject
them rather than trying to parse a huge non-existent array.
The remaining fixes are in drivers the most user visible of which is
the ALUA state transition recognition (leads to intermittent I/O
errors in some situations otherwise)"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: ufs: mcq: Fix error output and clean up ufshcd_mcq_abort()
scsi: core: Handle devices which return an unusually large VPD page count
scsi: mpt3sas: Add missing kerneldoc parameter descriptions
scsi: qedf: Set qed_slowpath_params to zero before use
scsi: qedf: Wait for stag work during unload
scsi: qedf: Don't process stag work during unload and recovery
scsi: sr: Fix unintentional arithmetic wraparound
scsi: core: alua: I/O errors for ALUA state transitions
scsi: mpi3mr: Use proper format specifier in mpi3mr_sas_port_add()
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Merge tag 'pci-v6.10-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Pull pci fix from Bjorn Helgaas:
- Revert lockdep checking on locking that protects device resets from
user-space config accesses; it exposed issues for which fixes are in
the works but are too risky for this cycle (Dan Williams)
* tag 'pci-v6.10-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci:
PCI: Revert the cfg_access_lock lockdep mechanism
[BUG]
Since v6.8 there are rare kernel crashes reported by various people,
the common factor is bad page status error messages like this:
BUG: Bad page state in process kswapd0 pfn:d6e840
page: refcount:0 mapcount:0 mapping:000000007512f4f2 index:0x2796c2c7c
pfn:0xd6e840
aops:btree_aops ino:1
flags: 0x17ffffe0000008(uptodate|node=0|zone=2|lastcpupid=0x3fffff)
page_type: 0xffffffff()
raw: 0017ffffe0000008 dead000000000100 dead000000000122 ffff88826d0be4c0
raw: 00000002796c2c7c 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: non-NULL mapping
[CAUSE]
Commit 09e6cef19c ("btrfs: refactor alloc_extent_buffer() to
allocate-then-attach method") changes the sequence when allocating a new
extent buffer.
Previously we always called grab_extent_buffer() under
mapping->i_private_lock, to ensure the safety on modification on
folio::private (which is a pointer to extent buffer for regular
sectorsize).
This can lead to the following race:
Thread A is trying to allocate an extent buffer at bytenr X, with 4
4K pages, meanwhile thread B is trying to release the page at X + 4K
(the second page of the extent buffer at X).
Thread A | Thread B
-----------------------------------+-------------------------------------
| btree_release_folio()
| | This is for the page at X + 4K,
| | Not page X.
| |
alloc_extent_buffer() | |- release_extent_buffer()
|- filemap_add_folio() for the | | |- atomic_dec_and_test(eb->refs)
| page at bytenr X (the first | | |
| page). | | |
| Which returned -EEXIST. | | |
| | | |
|- filemap_lock_folio() | | |
| Returned the first page locked. | | |
| | | |
|- grab_extent_buffer() | | |
| |- atomic_inc_not_zero() | | |
| | Returned false | | |
| |- folio_detach_private() | | |- folio_detach_private() for X
| |- folio_test_private() | | |- folio_test_private()
| Returned true | | | Returned true
|- folio_put() | |- folio_put()
Now there are two puts on the same folio at folio X, leading to refcount
underflow of the folio X, and eventually causing the BUG_ON() on the
page->mapping.
The condition is not that easy to hit:
- The release must be triggered for the middle page of an eb
If the release is on the same first page of an eb, page lock would kick
in and prevent the race.
- folio_detach_private() has a very small race window
It's only between folio_test_private() and folio_clear_private().
That's exactly when mapping->i_private_lock is used to prevent such race,
and commit 09e6cef19c ("btrfs: refactor alloc_extent_buffer() to
allocate-then-attach method") screwed that up.
At that time, I thought the page lock would kick in as
filemap_release_folio() also requires the page to be locked, but forgot
the filemap_release_folio() only locks one page, not all pages of an
extent buffer.
[FIX]
Move all the code requiring i_private_lock into
attach_eb_folio_to_filemap(), so that everything is done with proper
lock protection.
Furthermore to prevent future problems, add an extra
lockdep_assert_locked() to ensure we're holding the proper lock.
To reproducer that is able to hit the race (takes a few minutes with
instrumented code inserting delays to alloc_extent_buffer()):
#!/bin/sh
drop_caches () {
while(true); do
echo 3 > /proc/sys/vm/drop_caches
echo 1 > /proc/sys/vm/compact_memory
done
}
run_tar () {
while(true); do
for x in `seq 1 80` ; do
tar cf /dev/zero /mnt > /dev/null &
done
wait
done
}
mkfs.btrfs -f -d single -m single /dev/vda
mount -o noatime /dev/vda /mnt
# create 200,000 files, 1K each
./simoop -n 200000 -E -f 1k /mnt
drop_caches &
(run_tar)
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lore.kernel.org/linux-btrfs/CAHk-=wgt362nGfScVOOii8cgKn2LVVHeOvOA7OBwg1OwbuJQcw@mail.gmail.com/
Reported-by: Mikhail Gavrilov <mikhail.v.gavrilov@gmail.com>
Link: https://lore.kernel.org/lkml/CABXGCsPktcHQOvKTbPaTwegMExije=Gpgci5NW=hqORo-s7diA@mail.gmail.com/
Reported-by: Toralf Förster <toralf.foerster@gmx.de>
Link: https://lore.kernel.org/linux-btrfs/e8b3311c-9a75-4903-907f-fc0f7a3fe423@gmx.de/
Reported-by: syzbot+f80b066392366b4af85e@syzkaller.appspotmail.com
Fixes: 09e6cef19c ("btrfs: refactor alloc_extent_buffer() to allocate-then-attach method")
CC: stable@vger.kernel.org # 6.8+
CC: Chris Mason <clm@fb.com>
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
and drivers.
Current release - regressions:
- vxlan: fix regression when dropping packets due to invalid src addresses
- bpf: fix a potential use-after-free in bpf_link_free()
- xdp: revert support for redirect to any xsk socket bound to the same
UMEM as it can result in a corruption
- virtio_net:
- add missing lock protection when reading return code from control_buf
- fix false-positive lockdep splat in DIM
- Revert "wifi: wilc1000: convert list management to RCU"
- wifi: ath11k: fix error path in ath11k_pcic_ext_irq_config
Previous releases - regressions:
- rtnetlink: make the "split" NLM_DONE handling generic, restore the old
behavior for two cases where we started coalescing those messages with
normal messages, breaking sloppily-coded userspace
- wifi:
- cfg80211: validate HE operation element parsing
- cfg80211: fix 6 GHz scan request building
- mt76: mt7615: add missing chanctx ops
- ath11k: move power type check to ASSOC stage, fix connecting
to 6 GHz AP
- ath11k: fix WCN6750 firmware crash caused by 17 num_vdevs
- rtlwifi: ignore IEEE80211_CONF_CHANGE_RETRY_LIMITS
- iwlwifi: mvm: fix a crash on 7265
Previous releases - always broken:
- ncsi: prevent multi-threaded channel probing, a spec violation
- vmxnet3: disable rx data ring on dma allocation failure
- ethtool: init tsinfo stats if requested, prevent unintentionally
reporting all-zero stats on devices which don't implement any
- dst_cache: fix possible races in less common IPv6 features
- tcp: auth: don't consider TCP_CLOSE to be in TCP_AO_ESTABLISHED
- ax25: fix two refcounting bugs
- eth: ionic: fix kernel panic in XDP_TX action
Misc:
- tcp: count CLOSE-WAIT sockets for TCP_MIB_CURRESTAB
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from BPF and big collection of fixes for WiFi core and
drivers.
Current release - regressions:
- vxlan: fix regression when dropping packets due to invalid src
addresses
- bpf: fix a potential use-after-free in bpf_link_free()
- xdp: revert support for redirect to any xsk socket bound to the
same UMEM as it can result in a corruption
- virtio_net:
- add missing lock protection when reading return code from
control_buf
- fix false-positive lockdep splat in DIM
- Revert "wifi: wilc1000: convert list management to RCU"
- wifi: ath11k: fix error path in ath11k_pcic_ext_irq_config
Previous releases - regressions:
- rtnetlink: make the "split" NLM_DONE handling generic, restore the
old behavior for two cases where we started coalescing those
messages with normal messages, breaking sloppily-coded userspace
- wifi:
- cfg80211: validate HE operation element parsing
- cfg80211: fix 6 GHz scan request building
- mt76: mt7615: add missing chanctx ops
- ath11k: move power type check to ASSOC stage, fix connecting to
6 GHz AP
- ath11k: fix WCN6750 firmware crash caused by 17 num_vdevs
- rtlwifi: ignore IEEE80211_CONF_CHANGE_RETRY_LIMITS
- iwlwifi: mvm: fix a crash on 7265
Previous releases - always broken:
- ncsi: prevent multi-threaded channel probing, a spec violation
- vmxnet3: disable rx data ring on dma allocation failure
- ethtool: init tsinfo stats if requested, prevent unintentionally
reporting all-zero stats on devices which don't implement any
- dst_cache: fix possible races in less common IPv6 features
- tcp: auth: don't consider TCP_CLOSE to be in TCP_AO_ESTABLISHED
- ax25: fix two refcounting bugs
- eth: ionic: fix kernel panic in XDP_TX action
Misc:
- tcp: count CLOSE-WAIT sockets for TCP_MIB_CURRESTAB"
* tag 'net-6.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (107 commits)
selftests: net: lib: set 'i' as local
selftests: net: lib: avoid error removing empty netns name
selftests: net: lib: support errexit with busywait
net: ethtool: fix the error condition in ethtool_get_phy_stats_ethtool()
ipv6: fix possible race in __fib6_drop_pcpu_from()
af_unix: Annotate data-race of sk->sk_shutdown in sk_diag_fill().
af_unix: Use skb_queue_len_lockless() in sk_diag_show_rqlen().
af_unix: Use skb_queue_empty_lockless() in unix_release_sock().
af_unix: Use unix_recvq_full_lockless() in unix_stream_connect().
af_unix: Annotate data-race of net->unx.sysctl_max_dgram_qlen.
af_unix: Annotate data-races around sk->sk_sndbuf.
af_unix: Annotate data-races around sk->sk_state in UNIX_DIAG.
af_unix: Annotate data-race of sk->sk_state in unix_stream_read_skb().
af_unix: Annotate data-races around sk->sk_state in sendmsg() and recvmsg().
af_unix: Annotate data-race of sk->sk_state in unix_accept().
af_unix: Annotate data-race of sk->sk_state in unix_stream_connect().
af_unix: Annotate data-races around sk->sk_state in unix_write_space() and poll().
af_unix: Annotate data-race of sk->sk_state in unix_inq_len().
af_unix: Annodate data-races around sk->sk_state for writers.
af_unix: Set sk->sk_state under unix_state_lock() for truly disconencted peer.
...
Matthieu Baerts says:
====================
selftests: net: lib: small fixes
While looking at using 'lib.sh' for the MPTCP selftests [1], we found
some small issues with 'lib.sh'. Here they are:
- Patch 1: fix 'errexit' (set -e) support with busywait. 'errexit' is
supported in some functions, not all. A fix for v6.8+.
- Patch 2: avoid confusing error messages linked to the cleaning part
when the netns setup fails. A fix for v6.8+.
- Patch 3: set a variable as local to avoid accidentally changing the
value of a another one with the same name on the caller side. A fix
for v6.10-rc1+.
Link: https://lore.kernel.org/mptcp/5f4615c3-0621-43c5-ad25-55747a4350ce@kernel.org/T/ [1]
====================
Link: https://lore.kernel.org/r/20240605-upstream-net-20240605-selftests-net-lib-fixes-v1-0-b3afadd368c9@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
