| Age | Commit message (Collapse) | Author |
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Convert to struct mnt_idmap.
Last cycle we merged the necessary infrastructure in
256c8aed2b42 ("fs: introduce dedicated idmap type for mounts").
This is just the conversion to struct mnt_idmap.
Currently we still pass around the plain namespace that was attached to a
mount. This is in general pretty convenient but it makes it easy to
conflate namespaces that are relevant on the filesystem with namespaces
that are relevent on the mount level. Especially for non-vfs developers
without detailed knowledge in this area this can be a potential source for
bugs.
Once the conversion to struct mnt_idmap is done all helpers down to the
really low-level helpers will take a struct mnt_idmap argument instead of
two namespace arguments. This way it becomes impossible to conflate the two
eliminating the possibility of any bugs. All of the vfs and all filesystems
only operate on struct mnt_idmap.
Acked-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Christian Brauner (Microsoft) <brauner@kernel.org>
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Convert to struct mnt_idmap.
Last cycle we merged the necessary infrastructure in
256c8aed2b42 ("fs: introduce dedicated idmap type for mounts").
This is just the conversion to struct mnt_idmap.
Currently we still pass around the plain namespace that was attached to a
mount. This is in general pretty convenient but it makes it easy to
conflate namespaces that are relevant on the filesystem with namespaces
that are relevent on the mount level. Especially for non-vfs developers
without detailed knowledge in this area this can be a potential source for
bugs.
Once the conversion to struct mnt_idmap is done all helpers down to the
really low-level helpers will take a struct mnt_idmap argument instead of
two namespace arguments. This way it becomes impossible to conflate the two
eliminating the possibility of any bugs. All of the vfs and all filesystems
only operate on struct mnt_idmap.
Acked-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Christian Brauner (Microsoft) <brauner@kernel.org>
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Convert to struct mnt_idmap.
Last cycle we merged the necessary infrastructure in
256c8aed2b42 ("fs: introduce dedicated idmap type for mounts").
This is just the conversion to struct mnt_idmap.
Currently we still pass around the plain namespace that was attached to a
mount. This is in general pretty convenient but it makes it easy to
conflate namespaces that are relevant on the filesystem with namespaces
that are relevent on the mount level. Especially for non-vfs developers
without detailed knowledge in this area this can be a potential source for
bugs.
Once the conversion to struct mnt_idmap is done all helpers down to the
really low-level helpers will take a struct mnt_idmap argument instead of
two namespace arguments. This way it becomes impossible to conflate the two
eliminating the possibility of any bugs. All of the vfs and all filesystems
only operate on struct mnt_idmap.
Acked-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Christian Brauner (Microsoft) <brauner@kernel.org>
|
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Convert to struct mnt_idmap.
Last cycle we merged the necessary infrastructure in
256c8aed2b42 ("fs: introduce dedicated idmap type for mounts").
This is just the conversion to struct mnt_idmap.
Currently we still pass around the plain namespace that was attached to a
mount. This is in general pretty convenient but it makes it easy to
conflate namespaces that are relevant on the filesystem with namespaces
that are relevent on the mount level. Especially for non-vfs developers
without detailed knowledge in this area this can be a potential source for
bugs.
Once the conversion to struct mnt_idmap is done all helpers down to the
really low-level helpers will take a struct mnt_idmap argument instead of
two namespace arguments. This way it becomes impossible to conflate the two
eliminating the possibility of any bugs. All of the vfs and all filesystems
only operate on struct mnt_idmap.
Acked-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Christian Brauner (Microsoft) <brauner@kernel.org>
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Convert to struct mnt_idmap.
Last cycle we merged the necessary infrastructure in
256c8aed2b42 ("fs: introduce dedicated idmap type for mounts").
This is just the conversion to struct mnt_idmap.
Currently we still pass around the plain namespace that was attached to a
mount. This is in general pretty convenient but it makes it easy to
conflate namespaces that are relevant on the filesystem with namespaces
that are relevent on the mount level. Especially for non-vfs developers
without detailed knowledge in this area this can be a potential source for
bugs.
Once the conversion to struct mnt_idmap is done all helpers down to the
really low-level helpers will take a struct mnt_idmap argument instead of
two namespace arguments. This way it becomes impossible to conflate the two
eliminating the possibility of any bugs. All of the vfs and all filesystems
only operate on struct mnt_idmap.
Acked-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Christian Brauner (Microsoft) <brauner@kernel.org>
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Convert to struct mnt_idmap.
Last cycle we merged the necessary infrastructure in
256c8aed2b42 ("fs: introduce dedicated idmap type for mounts").
This is just the conversion to struct mnt_idmap.
Currently we still pass around the plain namespace that was attached to a
mount. This is in general pretty convenient but it makes it easy to
conflate namespaces that are relevant on the filesystem with namespaces
that are relevent on the mount level. Especially for non-vfs developers
without detailed knowledge in this area this can be a potential source for
bugs.
Once the conversion to struct mnt_idmap is done all helpers down to the
really low-level helpers will take a struct mnt_idmap argument instead of
two namespace arguments. This way it becomes impossible to conflate the two
eliminating the possibility of any bugs. All of the vfs and all filesystems
only operate on struct mnt_idmap.
Acked-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Christian Brauner (Microsoft) <brauner@kernel.org>
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Convert to struct mnt_idmap.
Last cycle we merged the necessary infrastructure in
256c8aed2b42 ("fs: introduce dedicated idmap type for mounts").
This is just the conversion to struct mnt_idmap.
Currently we still pass around the plain namespace that was attached to a
mount. This is in general pretty convenient but it makes it easy to
conflate namespaces that are relevant on the filesystem with namespaces
that are relevent on the mount level. Especially for non-vfs developers
without detailed knowledge in this area this can be a potential source for
bugs.
Once the conversion to struct mnt_idmap is done all helpers down to the
really low-level helpers will take a struct mnt_idmap argument instead of
two namespace arguments. This way it becomes impossible to conflate the two
eliminating the possibility of any bugs. All of the vfs and all filesystems
only operate on struct mnt_idmap.
Acked-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Christian Brauner (Microsoft) <brauner@kernel.org>
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Convert to struct mnt_idmap.
Last cycle we merged the necessary infrastructure in
256c8aed2b42 ("fs: introduce dedicated idmap type for mounts").
This is just the conversion to struct mnt_idmap.
Currently we still pass around the plain namespace that was attached to a
mount. This is in general pretty convenient but it makes it easy to
conflate namespaces that are relevant on the filesystem with namespaces
that are relevent on the mount level. Especially for non-vfs developers
without detailed knowledge in this area this can be a potential source for
bugs.
Once the conversion to struct mnt_idmap is done all helpers down to the
really low-level helpers will take a struct mnt_idmap argument instead of
two namespace arguments. This way it becomes impossible to conflate the two
eliminating the possibility of any bugs. All of the vfs and all filesystems
only operate on struct mnt_idmap.
Acked-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Christian Brauner (Microsoft) <brauner@kernel.org>
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Convert to struct mnt_idmap.
Last cycle we merged the necessary infrastructure in
256c8aed2b42 ("fs: introduce dedicated idmap type for mounts").
This is just the conversion to struct mnt_idmap.
Currently we still pass around the plain namespace that was attached to a
mount. This is in general pretty convenient but it makes it easy to
conflate namespaces that are relevant on the filesystem with namespaces
that are relevent on the mount level. Especially for non-vfs developers
without detailed knowledge in this area this can be a potential source for
bugs.
Once the conversion to struct mnt_idmap is done all helpers down to the
really low-level helpers will take a struct mnt_idmap argument instead of
two namespace arguments. This way it becomes impossible to conflate the two
eliminating the possibility of any bugs. All of the vfs and all filesystems
only operate on struct mnt_idmap.
Acked-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Christian Brauner (Microsoft) <brauner@kernel.org>
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Convert to struct mnt_idmap.
Last cycle we merged the necessary infrastructure in
256c8aed2b42 ("fs: introduce dedicated idmap type for mounts").
This is just the conversion to struct mnt_idmap.
Currently we still pass around the plain namespace that was attached to a
mount. This is in general pretty convenient but it makes it easy to
conflate namespaces that are relevant on the filesystem with namespaces
that are relevent on the mount level. Especially for non-vfs developers
without detailed knowledge in this area this can be a potential source for
bugs.
Once the conversion to struct mnt_idmap is done all helpers down to the
really low-level helpers will take a struct mnt_idmap argument instead of
two namespace arguments. This way it becomes impossible to conflate the two
eliminating the possibility of any bugs. All of the vfs and all filesystems
only operate on struct mnt_idmap.
Acked-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Christian Brauner (Microsoft) <brauner@kernel.org>
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Convert to struct mnt_idmap.
Last cycle we merged the necessary infrastructure in
256c8aed2b42 ("fs: introduce dedicated idmap type for mounts").
This is just the conversion to struct mnt_idmap.
Currently we still pass around the plain namespace that was attached to a
mount. This is in general pretty convenient but it makes it easy to
conflate namespaces that are relevant on the filesystem with namespaces
that are relevent on the mount level. Especially for non-vfs developers
without detailed knowledge in this area this can be a potential source for
bugs.
Once the conversion to struct mnt_idmap is done all helpers down to the
really low-level helpers will take a struct mnt_idmap argument instead of
two namespace arguments. This way it becomes impossible to conflate the two
eliminating the possibility of any bugs. All of the vfs and all filesystems
only operate on struct mnt_idmap.
Acked-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Christian Brauner (Microsoft) <brauner@kernel.org>
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Convert to struct mnt_idmap.
Last cycle we merged the necessary infrastructure in
256c8aed2b42 ("fs: introduce dedicated idmap type for mounts").
This is just the conversion to struct mnt_idmap.
Currently we still pass around the plain namespace that was attached to a
mount. This is in general pretty convenient but it makes it easy to
conflate namespaces that are relevant on the filesystem with namespaces
that are relevent on the mount level. Especially for non-vfs developers
without detailed knowledge in this area this can be a potential source for
bugs.
Once the conversion to struct mnt_idmap is done all helpers down to the
really low-level helpers will take a struct mnt_idmap argument instead of
two namespace arguments. This way it becomes impossible to conflate the two
eliminating the possibility of any bugs. All of the vfs and all filesystems
only operate on struct mnt_idmap.
Acked-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Christian Brauner (Microsoft) <brauner@kernel.org>
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Convert to struct mnt_idmap.
Last cycle we merged the necessary infrastructure in
256c8aed2b42 ("fs: introduce dedicated idmap type for mounts").
This is just the conversion to struct mnt_idmap.
Currently we still pass around the plain namespace that was attached to a
mount. This is in general pretty convenient but it makes it easy to
conflate namespaces that are relevant on the filesystem with namespaces
that are relevent on the mount level. Especially for non-vfs developers
without detailed knowledge in this area this can be a potential source for
bugs.
Once the conversion to struct mnt_idmap is done all helpers down to the
really low-level helpers will take a struct mnt_idmap argument instead of
two namespace arguments. This way it becomes impossible to conflate the two
eliminating the possibility of any bugs. All of the vfs and all filesystems
only operate on struct mnt_idmap.
Acked-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Christian Brauner (Microsoft) <brauner@kernel.org>
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Convert to struct mnt_idmap.
Last cycle we merged the necessary infrastructure in
256c8aed2b42 ("fs: introduce dedicated idmap type for mounts").
This is just the conversion to struct mnt_idmap.
Currently we still pass around the plain namespace that was attached to a
mount. This is in general pretty convenient but it makes it easy to
conflate namespaces that are relevant on the filesystem with namespaces
that are relevent on the mount level. Especially for non-vfs developers
without detailed knowledge in this area this can be a potential source for
bugs.
Once the conversion to struct mnt_idmap is done all helpers down to the
really low-level helpers will take a struct mnt_idmap argument instead of
two namespace arguments. This way it becomes impossible to conflate the two
eliminating the possibility of any bugs. All of the vfs and all filesystems
only operate on struct mnt_idmap.
Acked-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Christian Brauner (Microsoft) <brauner@kernel.org>
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Project ids are only settable filesystem wide in the initial namespace.
They don't take the mount's idmapping into account.
Note, that after we converted everything over to struct mnt_idmap
mistakes such as the one here aren't possible anymore as struct
mnt_idmap cannot be passed to functions that operate on k{g,u}ids.
Acked-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Christian Brauner (Microsoft) <brauner@kernel.org>
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Due to several bugs caused by timers being re-armed after they are
shutdown and just before they are freed, a new state of timers was added
called "shutdown". After a timer is set to this state, then it can no
longer be re-armed.
The following script was run to find all the trivial locations where
del_timer() or del_timer_sync() is called in the same function that the
object holding the timer is freed. It also ignores any locations where
the timer->function is modified between the del_timer*() and the free(),
as that is not considered a "trivial" case.
This was created by using a coccinelle script and the following
commands:
$ cat timer.cocci
@@
expression ptr, slab;
identifier timer, rfield;
@@
(
- del_timer(&ptr->timer);
+ timer_shutdown(&ptr->timer);
|
- del_timer_sync(&ptr->timer);
+ timer_shutdown_sync(&ptr->timer);
)
... when strict
when != ptr->timer
(
kfree_rcu(ptr, rfield);
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kmem_cache_free(slab, ptr);
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kfree(ptr);
)
$ spatch timer.cocci . > /tmp/t.patch
$ patch -p1 < /tmp/t.patch
Link: https://lore.kernel.org/lkml/20221123201306.823305113@linutronix.de/
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Acked-by: Pavel Machek <pavel@ucw.cz> [ LED ]
Acked-by: Kalle Valo <kvalo@kernel.org> [ wireless ]
Acked-by: Paolo Abeni <pabeni@redhat.com> [ networking ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fix from Mark Brown:
"One driver specific change here which handles the case where a SPI
device for some reason tries to change the bus speed during a message
on fsl_spi hardware, this should be very unusual"
* tag 'spi-fix-v6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: fsl_spi: Don't change speed while chipselect is active
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fixes from Mark Brown:
"Two core fixes here, one for a long standing race which some Qualcomm
systems have started triggering with their UFS driver and another
fixing a problem with supply lookup introduced by the fixes for devm
related use after free issues that were introduced in this merge
window"
* tag 'regulator-fix-v6.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: core: fix deadlock on regulator enable
regulator: core: Fix resolve supply lookup issue
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git://git.kernel.org/pub/scm/linux/kernel/git/jlawall/linux
Pull coccicheck update from Julia Lawall:
"Modernize use of grep in coccicheck:
Use 'grep -E' instead of 'egrep'"
* tag 'coccinelle-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/jlawall/linux:
scripts: coccicheck: use "grep -E" instead of "egrep"
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git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull kernel hardening fixes from Kees Cook:
- Fix CFI failure with KASAN (Sami Tolvanen)
- Fix LKDTM + CFI under GCC 7 and 8 (Kristina Martsenko)
- Limit CONFIG_ZERO_CALL_USED_REGS to Clang > 15.0.6 (Nathan
Chancellor)
- Ignore "contents" argument in LoadPin's LSM hook handling
- Fix paste-o in /sys/kernel/warn_count API docs
- Use READ_ONCE() consistently for oops/warn limit reading
* tag 'hardening-v6.2-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
cfi: Fix CFI failure with KASAN
exit: Use READ_ONCE() for all oops/warn limit reads
security: Restrict CONFIG_ZERO_CALL_USED_REGS to gcc or clang > 15.0.6
lkdtm: cfi: Make PAC test work with GCC 7 and 8
docs: Fix path paste-o for /sys/kernel/warn_count
LoadPin: Ignore the "contents" argument of the LSM hooks
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git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull pstore fixes from Kees Cook:
- Switch pmsg_lock to an rt_mutex to avoid priority inversion (John
Stultz)
- Correctly assign mem_type property (Luca Stefani)
* tag 'pstore-v6.2-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
pstore: Properly assign mem_type property
pstore: Make sure CONFIG_PSTORE_PMSG selects CONFIG_RT_MUTEXES
pstore: Switch pmsg_lock to an rt_mutex to avoid priority inversion
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git://git.infradead.org/users/hch/dma-mapping
Pull dma-mapping fixes from Christoph Hellwig:
"Fix up the sound code to not pass __GFP_COMP to the non-coherent DMA
allocator, as it copes with that just as badly as the coherent
allocator, and then add a check to make sure no one passes the flag
ever again"
* tag 'dma-mapping-2022-12-23' of git://git.infradead.org/users/hch/dma-mapping:
dma-mapping: reject GFP_COMP for noncoherent allocations
ALSA: memalloc: don't use GFP_COMP for non-coherent dma allocations
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Pull 9p updates from Dominique Martinet:
- improve p9_check_errors to check buffer size instead of msize when
possible (e.g. not zero-copy)
- some more syzbot and KCSAN fixes
- minor headers include cleanup
* tag '9p-for-6.2-rc1' of https://github.com/martinetd/linux:
9p/client: fix data race on req->status
net/9p: fix response size check in p9_check_errors()
net/9p: distinguish zero-copy requests
9p/xen: do not memcpy header into req->rc
9p: set req refcount to zero to avoid uninitialized usage
9p/net: Remove unneeded idr.h #include
9p/fs: Remove unneeded idr.h #include
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull more sound updates from Takashi Iwai:
"A few more updates for 6.2: most of changes are about ASoC
device-specific fixes.
- Lots of ASoC Intel AVS extensions and refactoring
- Quirks for ASoC Intel SOF as well as regression fixes
- ASoC Mediatek and Rockchip fixes
- Intel HD-audio HDMI workarounds
- Usual HD- and USB-audio device-specific quirks"
* tag 'sound-6.2-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (54 commits)
ALSA: usb-audio: Add new quirk FIXED_RATE for JBL Quantum810 Wireless
ALSA: azt3328: Remove the unused function snd_azf3328_codec_outl()
ASoC: lochnagar: Fix unused lochnagar_of_match warning
ASoC: Intel: Add HP Stream 8 to bytcr_rt5640.c
ASoC: SOF: mediatek: initialize panic_info to zero
ASoC: rt5670: Remove unbalanced pm_runtime_put()
ASoC: Intel: bytcr_rt5640: Add quirk for the Advantech MICA-071 tablet
ASoC: Intel: soc-acpi: update codec addr on 0C11/0C4F product
ASoC: rockchip: spdif: Add missing clk_disable_unprepare() in rk_spdif_runtime_resume()
ASoC: wm8994: Fix potential deadlock
ASoC: mediatek: mt8195: add sof be ops to check audio active
ASoC: SOF: Revert: "core: unregister clients and machine drivers in .shutdown"
ASoC: SOF: Intel: pci-tgl: unblock S5 entry if DMA stop has failed"
ALSA: hda/hdmi: fix stream-id config keep-alive for rt suspend
ALSA: hda/hdmi: set default audio parameters for KAE silent-stream
ALSA: hda/hdmi: fix i915 silent stream programming flow
ALSA: hda: Error out if invalid stream is being setup
ASoC: dt-bindings: fsl-sai: Reinstate i.MX93 SAI compatible string
ASoC: soc-pcm.c: Clear DAIs parameters after stream_active is updated
ASoC: codecs: wcd-clsh: Remove the unused function
...
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Pull drm fixes from Dave Airlie:
"Holiday fixes!
Two batches from amd, and one group of i915 changes.
amdgpu:
- Spelling fix
- BO pin fix
- Properly handle polaris 10/11 overlap asics
- GMC9 fix
- SR-IOV suspend fix
- DCN 3.1.4 fix
- KFD userptr locking fix
- SMU13.x fixes
- GDS/GWS/OA handling fix
- Reserved VMID handling fixes
- FRU EEPROM fix
- BO validation fixes
- Avoid large variable on the stack
- S0ix fixes
- SMU 13.x fixes
- VCN fix
- Add missing fence reference
amdkfd:
- Fix init vm error handling
- Fix double release of compute pasid
i915
- Documentation fixes
- OA-perf related fix
- VLV/CHV HDMI/DP audio fix
- Display DDI/Transcoder fix
- Migrate fixes"
* tag 'drm-next-2022-12-23' of git://anongit.freedesktop.org/drm/drm: (39 commits)
drm/amdgpu: grab extra fence reference for drm_sched_job_add_dependency
drm/amdgpu: enable VCN DPG for GC IP v11.0.4
drm/amdgpu: skip mes self test after s0i3 resume for MES IP v11.0
drm/amd/pm: correct the fan speed retrieving in PWM for some SMU13 asics
drm/amd/pm: bump SMU13.0.0 driver_if header to version 0x34
drm/amdgpu: skip MES for S0ix as well since it's part of GFX
drm/amd/pm: avoid large variable on kernel stack
drm/amdkfd: Fix double release compute pasid
drm/amdkfd: Fix kfd_process_device_init_vm error handling
drm/amd/pm: update SMU13.0.0 reported maximum shader clock
drm/amd/pm: correct SMU13.0.0 pstate profiling clock settings
drm/amd/pm: enable GPO dynamic control support for SMU13.0.7
drm/amd/pm: enable GPO dynamic control support for SMU13.0.0
drm/amdgpu: revert "generally allow over-commit during BO allocation"
drm/amdgpu: Remove unnecessary domain argument
drm/amdgpu: Fix size validation for non-exclusive domains (v4)
drm/amdgpu: Check if fru_addr is not NULL (v2)
drm/i915/ttm: consider CCS for backup objects
drm/i915/migrate: fix corner case in CCS aux copying
drm/amdgpu: rework reserved VMID handling
...
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git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
Pull MIPS fixes from Thomas Bogendoerfer:
"Fixes due to DT changes"
* tag 'mips_6.2_1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux:
MIPS: dts: bcm63268: Add missing properties to the TWD node
MIPS: ralink: mt7621: avoid to init common ralink reset controller
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git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull hotfixes from Andrew Morton:
"Eight fixes, all cc:stable. One is for gcov and the remainder are MM"
* tag 'mm-hotfixes-stable-2022-12-22-14-34' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
gcov: add support for checksum field
test_maple_tree: add test for mas_spanning_rebalance() on insufficient data
maple_tree: fix mas_spanning_rebalance() on insufficient data
hugetlb: really allocate vma lock for all sharable vmas
kmsan: export kmsan_handle_urb
kmsan: include linux/vmalloc.h
mm/mempolicy: fix memory leak in set_mempolicy_home_node system call
mm, mremap: fix mremap() expanding vma with addr inside vma
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If mem-type is specified in the device tree
it would end up overriding the record_size
field instead of populating mem_type.
As record_size is currently parsed after the
improper assignment with default size 0 it
continued to work as expected regardless of the
value found in the device tree.
Simply changing the target field of the struct
is enough to get mem-type working as expected.
Fixes: 9d843e8fafc7 ("pstore: Add mem_type property DT parsing support")
Cc: stable@vger.kernel.org
Signed-off-by: Luca Stefani <luca@osomprivacy.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20221222131049.286288-1-luca@osomprivacy.com
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In commit 76d62f24db07 ("pstore: Switch pmsg_lock to an rt_mutex
to avoid priority inversion") I changed a lock to an rt_mutex.
However, its possible that CONFIG_RT_MUTEXES is not enabled,
which then results in a build failure, as the 0day bot detected:
https://lore.kernel.org/linux-mm/202212211244.TwzWZD3H-lkp@intel.com/
Thus this patch changes CONFIG_PSTORE_PMSG to select
CONFIG_RT_MUTEXES, which ensures the build will not fail.
Cc: Wei Wang <wvw@google.com>
Cc: Midas Chien<midaschieh@google.com>
Cc: Connor O'Brien <connoro@google.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Anton Vorontsov <anton@enomsg.org>
Cc: Colin Cross <ccross@android.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: kernel test robot <lkp@intel.com>
Cc: kernel-team@android.com
Fixes: 76d62f24db07 ("pstore: Switch pmsg_lock to an rt_mutex to avoid priority inversion")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: John Stultz <jstultz@google.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20221221051855.15761-1-jstultz@google.com
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When CFI_CLANG and KASAN are both enabled, LLVM doesn't generate a
CFI type hash for asan.module_ctor functions in translation units
where CFI is disabled, which leads to a CFI failure during boot when
do_ctors calls the affected constructors:
CFI failure at do_basic_setup+0x64/0x90 (target:
asan.module_ctor+0x0/0x28; expected type: 0xa540670c)
Specifically, this happens because CFI is disabled for
kernel/cfi.c. There's no reason to keep CFI disabled here anymore, so
fix the failure by not filtering out CC_FLAGS_CFI for the file.
Note that https://reviews.llvm.org/rG3b14862f0a96 fixed the issue
where LLVM didn't emit CFI type hashes for any sanitizer constructors,
but now type hashes are emitted correctly for TUs that use CFI.
Link: https://github.com/ClangBuiltLinux/linux/issues/1742
Fixes: 89245600941e ("cfi: Switch to -fsanitize=kcfi")
Reported-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20221222225747.3538676-1-samitolvanen@google.com
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Pull more SCSI updates from James Bottomley:
"Mostly small bug fixes and small updates.
The only things of note is a qla2xxx fix for crash on hotplug and
timeout and the addition of a user exposed abstraction layer for
persistent reservation error return handling (which necessitates the
conversion of nvme.c as well as SCSI)"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: qla2xxx: Fix crash when I/O abort times out
nvme: Convert NVMe errors to PR errors
scsi: sd: Convert SCSI errors to PR errors
scsi: core: Rename status_byte to sg_status_byte
block: Add error codes for common PR failures
scsi: sd: sd_zbc: Trace zone append emulation
scsi: libfc: Include the correct header
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git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs
Pull afs update from David Howells:
"A fix for a couple of missing resource counter decrements, two small
cleanups of now-unused bits of code and a patch to remove writepage
support from afs"
* tag 'afs-next-20221222' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs:
afs: Stop implementing ->writepage()
afs: remove afs_cache_netfs and afs_zap_permits() declarations
afs: remove variable nr_servers
afs: Fix lost servers_outstanding count
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git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux
Pull more perf tools updates from Arnaldo Carvalho de Melo:
"perf tools fixes and improvements:
- Don't stop building perf if python setuptools isn't installed, just
disable the affected perf feature.
- Remove explicit reference to python 2.x devel files, that warning
is about python-devel, no matter what version, being unavailable
and thus disabling the linking with libpython.
- Don't use -Werror=switch-enum when building the python support that
handles libtraceevent enumerations, as there is no good way to test
if some specific enum entry is available with the libtraceevent
installed on the system.
- Introduce 'perf lock contention' --type-filter and --lock-filter,
to filter by lock type and lock name:
$ sudo ./perf lock record -a -- ./perf bench sched messaging
$ sudo ./perf lock contention -E 5 -Y spinlock
contended total wait max wait avg wait type caller
802 1.26 ms 11.73 us 1.58 us spinlock __wake_up_common_lock+0x62
13 787.16 us 105.44 us 60.55 us spinlock remove_wait_queue+0x14
12 612.96 us 78.70 us 51.08 us spinlock prepare_to_wait+0x27
114 340.68 us 12.61 us 2.99 us spinlock try_to_wake_up+0x1f5
83 226.38 us 9.15 us 2.73 us spinlock folio_lruvec_lock_irqsave+0x5e
$ sudo ./perf lock contention -l
contended total wait max wait avg wait address symbol
57 1.11 ms 42.83 us 19.54 us ffff9f4140059000
15 280.88 us 23.51 us 18.73 us ffffffff9d007a40 jiffies_lock
1 20.49 us 20.49 us 20.49 us ffffffff9d0d50c0 rcu_state
1 9.02 us 9.02 us 9.02 us ffff9f41759e9ba0
$ sudo ./perf lock contention -L jiffies_lock,rcu_state
contended total wait max wait avg wait type caller
15 280.88 us 23.51 us 18.73 us spinlock tick_sched_do_timer+0x93
1 20.49 us 20.49 us 20.49 us spinlock __softirqentry_text_start+0xeb
$ sudo ./perf lock contention -L ffff9f4140059000
contended total wait max wait avg wait type caller
38 779.40 us 42.83 us 20.51 us spinlock worker_thread+0x50
11 216.30 us 39.87 us 19.66 us spinlock queue_work_on+0x39
8 118.13 us 20.51 us 14.77 us spinlock kthread+0xe5
- Fix splitting CC into compiler and options when checking if a
option is present in clang to build the python binding, needed in
systems such as yocto that set CC to, e.g.: "gcc --sysroot=/a/b/c".
- Refresh metris and events for Intel systems: alderlake.
alderlake-n, bonnell, broadwell, broadwellde, broadwellx,
cascadelakex, elkhartlake, goldmont, goldmontplus, haswell,
haswellx, icelake, icelakex, ivybridge, ivytown, jaketown,
knightslanding, meteorlake, nehalemep, nehalemex, sandybridge,
sapphirerapids, silvermont, skylake, skylakex, snowridgex,
tigerlake, westmereep-dp, westmereep-sp, westmereex.
- Add vendor events files (JSON) for AMD Zen 4, from sections
2.1.15.4 "Core Performance Monitor Counters", 2.1.15.5 "L3 Cache
Performance Monitor Counter"s and Section 7.1 "Fabric Performance
Monitor Counter (PMC) Events" in the Processor Programming
Reference (PPR) for AMD Family 19h Model 11h Revision B1
processors.
This constitutes events which capture op dispatch, execution and
retirement, branch prediction, L1 and L2 cache activity, TLB
activity, L3 cache activity and data bandwidth for various links
and interfaces in the Data Fabric.
- Also, from the same PPR are metrics taken from Section 2.1.15.2
"Performance Measurement", including pipeline utilization, which
are new to Zen 4 processors and useful for finding performance
bottlenecks by analyzing activity at different stages of the
pipeline.
- Greatly improve the 'srcline', 'srcline_from', 'srcline_to' and
'srcfile' sort keys performance by postponing calling the external
addr2line utility to the collapse phase of histogram bucketing.
- Fix 'perf test' "all PMU test" to skip parametrized events, that
requires setting up and are not supported by this test.
- Update tools/ copies of kernel headers: features,
disabled-features, fscrypt.h, i915_drm.h, msr-index.h, power pc
syscall table and kvm.h.
- Add .DELETE_ON_ERROR special Makefile target to clean up partially
updated files on error.
- Simplify the mksyscalltbl script for arm64 by avoiding to run the
host compiler to create the syscall table, do it all just with the
shell script.
- Further fixes to honour quiet mode (-q)"
* tag 'perf-tools-for-v6.2-2-2022-12-22' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux: (67 commits)
perf python: Fix splitting CC into compiler and options
perf scripting python: Don't be strict at handling libtraceevent enumerations
perf arm64: Simplify mksyscalltbl
perf build: Remove explicit reference to python 2.x devel files
perf vendor events amd: Add Zen 4 mapping
perf vendor events amd: Add Zen 4 metrics
perf vendor events amd: Add Zen 4 uncore events
perf vendor events amd: Add Zen 4 core events
perf vendor events intel: Refresh westmereex events
perf vendor events intel: Refresh westmereep-sp events
perf vendor events intel: Refresh westmereep-dp events
perf vendor events intel: Refresh tigerlake metrics and events
perf vendor events intel: Refresh snowridgex events
perf vendor events intel: Refresh skylakex metrics and events
perf vendor events intel: Refresh skylake metrics and events
perf vendor events intel: Refresh silvermont events
perf vendor events intel: Refresh sapphirerapids metrics and events
perf vendor events intel: Refresh sandybridge metrics and events
perf vendor events intel: Refresh nehalemex events
perf vendor events intel: Refresh nehalemep events
...
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Noticed this build failure on archlinux:base when building with clang:
clang-14: error: optimization flag '-ffat-lto-objects' is not supported [-Werror,-Wignored-optimization-argument]
In tools/perf/util/setup.py we check if clang supports that option, but
since commit 3cad53a6f9cdbafa ("perf python: Account for multiple words
in CC") this got broken as in the common case where CC="clang":
>>> cc="clang"
>>> print(cc.split()[0])
clang
>>> option="-ffat-lto-objects"
>>> print(str(cc.split()[1:]) + option)
[]-ffat-lto-objects
>>>
And then the Popen will call clang with that bogus option name that in
turn will not produce the b"unknown argument" or b"is not supported"
that this function uses to detect if the option is not available and
thus later on clang will be called with an unknown/unsupported option.
Fix it by looking if really there are options in the provided CC
variable, and if so override 'cc' with the first token and append the
options to the 'option' variable.
Fixes: 3cad53a6f9cdbafa ("perf python: Account for multiple words in CC")
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Fangrui Song <maskray@google.com>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Keeping <john@metanate.com>
Cc: Khem Raj <raj.khem@gmail.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Sedat Dilek <sedat.dilek@gmail.com>
Link: http://lore.kernel.org/lkml/Y6Rq5F5NI0v1QQHM@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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We're trying to get rid of the ->writepage() hook[1]. Stop afs from using
it by unlocking the page and calling afs_writepages_region() rather than
folio_write_one().
A flag is passed to afs_writepages_region() to indicate that it should only
write a single region so that we don't flush the entire file in
->write_begin(), but do add other dirty data to the region being written to
try and reduce the number of RPC ops.
This requires ->migrate_folio() to be implemented, so point that at
filemap_migrate_folio() for files and also for symlinks and directories.
This can be tested by turning on the afs_folio_dirty tracepoint and then
doing something like:
xfs_io -c "w 2223 7000" -c "w 15000 22222" -c "w 23 7" /afs/my/test/foo
and then looking in the trace to see if the write at position 15000 gets
stored before page 0 gets dirtied for the write at position 23.
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Marc Dionne <marc.dionne@auristor.com>
cc: Christoph Hellwig <hch@lst.de>
cc: Matthew Wilcox <willy@infradead.org>
cc: linux-afs@lists.infradead.org
Link: https://lore.kernel.org/r/20221113162902.883850-1-hch@lst.de/ [1]
Link: https://lore.kernel.org/r/166876785552.222254.4403222906022558715.stgit@warthog.procyon.org.uk/ # v1
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afs_zap_permits() has been removed since
commit be080a6f43c4 ("afs: Overhaul permit caching").
afs_cache_netfs has been removed since
commit 523d27cda149 ("afs: Convert afs to use the new fscache API").
so remove the declare for them from header file.
Signed-off-by: Gaosheng Cui <cuigaosheng1@huawei.com>
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Marc Dionne <marc.dionne@auristor.com>
cc: linux-afs@lists.infradead.org
Link: https://lore.kernel.org/r/20220909070353.1160228-1-cuigaosheng1@huawei.com/
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Variable nr_servers is no longer being used, the last reference
to it was removed in commit 45df8462730d ("afs: Fix server list handling")
so clean up the code by removing it.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Marc Dionne <marc.dionne@auristor.com>
cc: linux-afs@lists.infradead.org
Link: https://lore.kernel.org/r/20221020173923.21342-1-colin.i.king@gmail.com/
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The afs_fs_probe_dispatcher() work function is passed a count on
net->servers_outstanding when it is scheduled (which may come via its
timer). This is passed back to the work_item, passed to the timer or
dropped at the end of the dispatcher function.
But, at the top of the dispatcher function, there are two checks which
skip the rest of the function: if the network namespace is being destroyed
or if there are no fileservers to probe. These two return paths, however,
do not drop the count passed to the dispatcher, and so, sometimes, the
destruction of a network namespace, such as induced by rmmod of the kafs
module, may get stuck in afs_purge_servers(), waiting for
net->servers_outstanding to become zero.
Fix this by adding the missing decrements in afs_fs_probe_dispatcher().
Fixes: f6cbb368bcb0 ("afs: Actively poll fileservers to maintain NAT or firewall openings")
Reported-by: Marc Dionne <marc.dionne@auristor.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Tested-by: Marc Dionne <marc.dionne@auristor.com>
cc: linux-afs@lists.infradead.org
Link: https://lore.kernel.org/r/167164544917.2072364.3759519569649459359.stgit@warthog.procyon.org.uk/
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https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Updates for v6.2
Some more small fixes and board quirks that came in since my last
update, the main one being the fixes from Kai for issues around the
attempts to get kexec working well on SOF based systems.
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It seems that the firmware is broken and does not accept
the UAC_EP_CS_ATTR_SAMPLE_RATE URB. There is only one rate (48000Hz)
available in the descriptors for the output endpoint.
Create a new quirk QUIRK_FLAG_FIXED_RATE to skip the rate setup
when only one rate is available (fixed).
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=216798
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Link: https://lore.kernel.org/r/20221215153037.1163786-1-perex@perex.cz
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The function snd_azf3328_codec_outl is defined in the azt3328.c file, but
not called elsewhere, so remove this unused function.
sound/pci/azt3328.c:367:1: warning: unused function 'snd_azf3328_codec_outl'.
Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=3432
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Link: https://lore.kernel.org/r/20221213061355.62856-1-jiapeng.chong@linux.alibaba.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing fix from Steven Rostedt:
"I missed this minor hardening of the kernel in the first pull.
- Make monitor structures read only"
* tag 'trace-v6.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
rv/monitors: Move monitor structure in rodata
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git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull trace probes updates from Steven Rostedt:
- New "symstr" type for dynamic events that writes the name of the
function+offset into the ring buffer and not just the address
- Prevent kernel symbol processing on addresses in user space probes
(uprobes).
- And minor fixes and clean ups
* tag 'trace-probes-v6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
tracing/probes: Reject symbol/symstr type for uprobe
tracing/probes: Add symstr type for dynamic events
kprobes: kretprobe events missing on 2-core KVM guest
kprobes: Fix check for probe enabled in kill_kprobe()
test_kprobes: Fix implicit declaration error of test_kprobes
tracing: Fix race where eprobes can be called before the event
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Pull RISC-V kvm updates from Paolo Bonzini:
- Allow unloading KVM module
- Allow KVM user-space to set mvendorid, marchid, and mimpid
- Several fixes and cleanups
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
RISC-V: KVM: Add ONE_REG interface for mvendorid, marchid, and mimpid
RISC-V: KVM: Save mvendorid, marchid, and mimpid when creating VCPU
RISC-V: Export sbi_get_mvendorid() and friends
RISC-V: KVM: Move sbi related struct and functions to kvm_vcpu_sbi.h
RISC-V: KVM: Use switch-case in kvm_riscv_vcpu_set/get_reg()
RISC-V: KVM: Remove redundant includes of asm/csr.h
RISC-V: KVM: Remove redundant includes of asm/kvm_vcpu_timer.h
RISC-V: KVM: Fix reg_val check in kvm_riscv_vcpu_set_reg_config()
RISC-V: KVM: Simplify kvm_arch_prepare_memory_region()
RISC-V: KVM: Exit run-loop immediately if xfer_to_guest fails
RISC-V: KVM: use vma_lookup() instead of find_vma_intersection()
RISC-V: KVM: Add exit logic to main.c
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https://gitlab.freedesktop.org/agd5f/linux into drm-next
amd-drm-fixes-6.2-2022-12-21:
amdgpu:
- Avoid large variable on the stack
- S0ix fixes
- SMU 13.x fixes
- VCN fix
- Add missing fence reference
amdkfd:
- Fix init vm error handling
- Fix double release of compute pasid
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221221205828.6093-1-alexander.deucher@amd.com
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Pull block fixes from Jens Axboe:
- Various fixes for BFQ (Yu, Yuwei)
- Fix for loop command line parsing (Isaac)
- No need to specifically clear REQ_ALLOC_CACHE on IOPOLL downgrade
anymore (me)
- blk-iocost enum fix for newer gcc (Jiri)
- UAF fix for queue release (Ming)
- blk-iolatency error handling memory leak fix (Tejun)
* tag 'block-6.2-2022-12-19' of git://git.kernel.dk/linux:
block: don't clear REQ_ALLOC_CACHE for non-polled requests
block: fix use-after-free of q->q_usage_counter
block, bfq: only do counting of pending-request for BFQ_GROUP_IOSCHED
blk-iolatency: Fix memory leak on add_disk() failures
loop: Fix the max_loop commandline argument treatment when it is set to 0
block/blk-iocost (gcc13): keep large values in a new enum
block, bfq: replace 0/1 with false/true in bic apis
block, bfq: don't return bfqg from __bfq_bic_change_cgroup()
block, bfq: fix possible uaf for 'bfqq->bic'
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Pull io_uring fixes from Jens Axboe:
- Improve the locking for timeouts. This was originally queued up for
the initial pull, but I messed up and it got missed. (Pavel)
- Fix an issue with running task_work from the wait path, causing some
inefficiencies (me)
- Add a clear of ->free_iov upfront in the 32-bit compat data
importing, so we ensure that it's always sane at completion time (me)
- Use call_rcu_hurry() for the eventfd signaling (Dylan)
- Ordering fix for multishot recv completions (Pavel)
- Add the io_uring trace header to the MAINTAINERS entry (Ammar)
* tag 'io_uring-6.2-2022-12-19' of git://git.kernel.dk/linux:
MAINTAINERS: io_uring: Add include/trace/events/io_uring.h
io_uring/net: fix cleanup after recycle
io_uring/net: ensure compat import handlers clear free_iov
io_uring: include task_work run after scheduling in wait for events
io_uring: don't use TIF_NOTIFY_SIGNAL to test for availability of task_work
io_uring: use call_rcu_hurry if signaling an eventfd
io_uring: fix overflow handling regression
io_uring: ease timeout flush locking requirements
io_uring: revise completion_lock locking
io_uring: protect cq_timeouts with timeout_lock
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In GCC version 12.1 a checksum field was added.
This patch fixes a kernel crash occurring during boot when using
gcov-kernel with GCC version 12.2. The crash occurred on a system running
on i.MX6SX.
Link: https://lkml.kernel.org/r/20221220102318.3418501-1-rickaran@axis.com
Fixes: 977ef30a7d88 ("gcov: support GCC 12.1 and newer compilers")
Signed-off-by: Rickard x Andersson <rickaran@axis.com>
Reviewed-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Tested-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Reviewed-by: Martin Liska <mliska@suse.cz>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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