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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:
- updates to several drivers consuming GPIO APIs to use setters
returning error codes
- an infrastructure allowing to define "overlays" for touchscreens
carving out regions implementing buttons and other elements from a
bigger sensors and a corresponding update to st1232 driver
- an update to AT/PS2 keyboard driver to map F13-F24 by default
- Samsung keypad driver got a facelift
- evdev input handler will now bind to all devices using EV_SYN event
instead of abusing id->driver_info
- two new sub-drivers implementing 1A (capacitive buttons) and 21
(forcepad button) functions in Synaptics RMI driver
- support for polling mode in Goodix touchscreen driver
- support for support for FocalTech FT8716 in edt-ft5x06 driver
- support for MT6359 in mtk-pmic-keys driver
- removal of pcf50633-input driver since platform it was used on is
gone
- new definitions for game controller "grip" buttons (BTN_GRIP*) and
corresponding changes to xpad and hid-steam controller drivers
- a new definition for "performance" key
* tag 'input-for-v6.17-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (38 commits)
HID: hid-steam: Use new BTN_GRIP* buttons
Input: add keycode for performance mode key
Input: max77693 - convert to atomic pwm operation
Input: st1232 - add touch-overlay handling
dt-bindings: input: touchscreen: st1232: add touch-overlay example
Input: touch-overlay - add touchscreen overlay handling
dt-bindings: touchscreen: add touch-overlay property
Input: atkbd - correctly map F13 - F24
Input: xpad - use new BTN_GRIP* buttons
Input: Add and document BTN_GRIP*
Input: xpad - change buttons the D-Pad gets mapped as to BTN_DPAD_*
Documentation: Fix capitalization of XBox -> Xbox
Input: synaptics-rmi4 - add support for F1A
dt-bindings: input: syna,rmi4: Document F1A function
Input: synaptics-rmi4 - add support for Forcepads (F21)
Input: mtk-pmic-keys - add support for MT6359 PMIC keys
Input: remove special handling of id->driver_info when matching
Input: evdev - switch matching to EV_SYN
Input: samsung-keypad - use BIT() and GENMASK() where appropriate
Input: samsung-keypad - use per-chip parameters
...
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Pull ipmi updates from Corey Minyard:
"Some small fixes for the IPMI driver
Nothing huge, some rate limiting on logs, a strncpy fix where the
source and destination could be the same, and removal of some unused
cruft"
* tag 'for-linus-6.17-1' of https://github.com/cminyard/linux-ipmi:
ipmi: Use dev_warn_ratelimited() for incorrect message warnings
char: ipmi: remove redundant variable 'type' and check
ipmi: Fix strcpy source and destination the same
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Pull rdma fix from Jason Gunthorpe:
"Single fix to correct the iov_iter construction in soft iwarp. This
avoids blktest crashes with recent changes to the allocators"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
RDMA/siw: Fix the sendmsg byte count in siw_tcp_sendpages
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Pull VFIO updates from Alex Williamson:
- Fix imbalance where the no-iommu/cdev device path skips too much on
open, failing to increment a reference, but still decrements the
reference on close. Add bounds checking to prevent such underflows
(Jacob Pan)
- Fill missing detach_ioas op for pds_vfio_pci, fixing probe failure
when used with IOMMUFD (Brett Creeley)
- Split SR-IOV VFs to separate dev_set, avoiding unnecessary
serialization between VFs that appear on the same bus (Alex
Williamson)
- Fix a theoretical integer overflow is the mlx5-vfio-pci variant
driver (Artem Sadovnikov)
- Implement missing VF token checking support via vfio cdev/IOMMUFD
interface (Jason Gunthorpe)
- Update QAT vfio-pci variant driver to claim latest VF devices
(Małgorzata Mielnik)
- Add a cond_resched() call to avoid holding the CPU too long during
DMA mapping operations (Keith Busch)
* tag 'vfio-v6.17-rc1-v2' of https://github.com/awilliam/linux-vfio:
vfio/type1: conditional rescheduling while pinning
vfio/qat: add support for intel QAT 6xxx virtual functions
vfio/qat: Remove myself from VFIO QAT PCI driver maintainers
vfio/pci: Do vf_token checks for VFIO_DEVICE_BIND_IOMMUFD
vfio/mlx5: fix possible overflow in tracking max message size
vfio/pci: Separate SR-IOV VF dev_set
vfio/pds: Fix missing detach_ioas op
vfio: Prevent open_count decrement to negative
vfio: Fix unbalanced vfio_df_close call in no-iommu mode
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Prepare input updates for 6.17 merge window.
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Make use of the newly defined BTN_GRIP* codes instead of using
BTN_TRIGGER_HAPPY* and other less suited button codes.
Signed-off-by: Vicki Pfau <vi@endrift.com>
Acked-by: Jiri Kosina <jkosina@suse.com>
Link: https://lore.kernel.org/r/20250717000143.1902875-4-vi@endrift.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fix from David Sterba:
"A single btrfs commit. It fixes a problem that people started to hit
since 6.15.3 during log replay (e.g. after a crash).
The bug is old but got more likely to happen since commit
5e85262e542d ("btrfs: fix fsync of files with no hard links not
persisting deletion") got backported to stable (6.15 only)"
* tag 'for-6.17-fix-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: fix log tree replay failure due to file with 0 links and extents
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Pull more SCSI updates from James Bottomley:
"This is mostly fixes and cleanups and code reworks that trickled in
across the merge window and the weeks leading up. The only substantive
update is the Mediatek ufs driver which accounts for the bulk of the
additions"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (37 commits)
scsi: libsas: Use a bool for sas_deform_port() second argument
scsi: libsas: Move declarations of internal functions to sas_internal.h
scsi: libsas: Make sas_get_ata_info() static
scsi: libsas: Simplify sas_ata_wait_eh()
scsi: libsas: Refactor dev_is_sata()
scsi: sd: Make sd shutdown issue START STOP UNIT appropriately
scsi: arm64: dts: mediatek: mt8195: Add UFSHCI node
scsi: dt-bindings: mediatek,ufs: add MT8195 compatible and update clock nodes
scsi: dt-bindings: mediatek,ufs: Add ufs-disable-mcq flag for UFS host
scsi: ufs: ufs-mediatek: Add UFS host support for MT8195 SoC
scsi: ufs: ufs-pci: Remove control of UIC Completion interrupt for Intel MTL
scsi: ufs: core: Do not write interrupt enable register unnecessarily
scsi: ufs: core: Set and clear UIC Completion interrupt as needed
scsi: ufs: core: Remove duplicated code in ufshcd_send_bsg_uic_cmd()
scsi: ufs: core: Move ufshcd_enable_intr() and ufshcd_disable_intr()
scsi: ufs: ufs-pci: Remove UFS PCI driver's ->late_init() call back
scsi: ufs: ufs-pci: Fix default runtime and system PM levels
scsi: ufs: ufs-pci: Fix hibernate state transition for Intel MTL-like host controllers
scsi: ufs: host: mediatek: Support FDE (AES) clock scaling
scsi: ufs: host: mediatek: Support clock scaling with Vcore binding
...
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If we log a new inode (not persisted in a past transaction) that has 0
links and extents, then log another inode with an higher inode number, we
end up with failing to replay the log tree with -EINVAL. The steps for
this are:
1) create new file A
2) write some data to file A
3) open an fd on file A
4) unlink file A
5) fsync file A using the previously open fd
6) create file B (has higher inode number than file A)
7) fsync file B
8) power fail before current transaction commits
Now when attempting to mount the fs, the log replay will fail with
-ENOENT at replay_one_extent() when attempting to replay the first
extent of file A. The failure comes when trying to open the inode for
file A in the subvolume tree, since it doesn't exist.
Before commit 5f61b961599a ("btrfs: fix inode lookup error handling
during log replay"), the returned error was -EIO instead of -ENOENT,
since we converted any errors when attempting to read an inode during
log replay to -EIO.
The reason for this is that the log replay procedure fails to ignore
the current inode when we are at the stage LOG_WALK_REPLAY_ALL, our
current inode has 0 links and last inode we processed in the previous
stage has a non 0 link count. In other words, the issue is that at
replay_one_extent() we only update wc->ignore_cur_inode if the current
replay stage is LOG_WALK_REPLAY_INODES.
Fix this by updating wc->ignore_cur_inode whenever we find an inode item
regardless of the current replay stage. This is a simple solution and easy
to backport, but later we can do other alternatives like avoid logging
extents or inode items other than the inode item for inodes with a link
count of 0.
The problem with the wc->ignore_cur_inode logic has been around since
commit f2d72f42d5fa ("Btrfs: fix warning when replaying log after fsync
of a tmpfile") but it only became frequent to hit since the more recent
commit 5e85262e542d ("btrfs: fix fsync of files with no hard links not
persisting deletion"), because we stopped skipping inodes with a link
count of 0 when logging, while before the problem would only be triggered
if trying to replay a log tree created with an older kernel which has a
logged inode with 0 links.
A test case for fstests will be submitted soon.
Reported-by: Peter Jung <ptr1337@cachyos.org>
Link: https://lore.kernel.org/linux-btrfs/fce139db-4458-4788-bb97-c29acf6cb1df@cachyos.org/
Reported-by: burneddi <burneddi@protonmail.com>
Link: https://lore.kernel.org/linux-btrfs/lh4W-Lwc0Mbk-QvBhhQyZxf6VbM3E8VtIvU3fPIQgweP_Q1n7wtlUZQc33sYlCKYd-o6rryJQfhHaNAOWWRKxpAXhM8NZPojzsJPyHMf2qY=@protonmail.com/#t
Reported-by: Russell Haley <yumpusamongus@gmail.com>
Link: https://lore.kernel.org/linux-btrfs/598ecc75-eb80-41b3-83c2-f2317fbb9864@gmail.com/
Fixes: f2d72f42d5fa ("Btrfs: fix warning when replaying log after fsync of a tmpfile")
CC: stable@vger.kernel.org # 5.4+
Reviewed-by: Boris Burkov <boris@bur.io>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux
Pull ata fixes from Damien Le Moal:
- Cleanup whitespace in messages in libata-core and the pata_pdc2027x,
pata_macio drivers (Colin)
- Fix ata_to_sense_error() to avoid seeing nonsensical sense data for
rare cases where we fail to get sense data from the drive. The
complementary fix to this is to ensure that we always return the
generic "ABORTED COMMAND" sense data for a failed command for which
we have no status or error fields
- The recent changes to link power management (LPM) which now prevent
the user from attempting to set an LPM policy through the
link_power_management_policy caused some regressions in test
environments because of the error that is now returned when writing
to that attribute when LPM is not supported. To allow users to not
trip on this, introduce the new link_power_management_supported
attribute to allow simple testing of a port/device LPM support (me)
* tag 'ata-6.17-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux:
ata: pata_pdc2027x: Remove space before newline and abbreviations
ata: pata_macio: Remove space before newline
ata: libata-core: Remove space before newline
ata: libata-sata: Add link_power_management_supported sysfs attribute
ata: libata-scsi: Return aborted command when missing sense and result TF
ata: libata-scsi: Fix ata_to_sense_error() status handling
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git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:
"This is the last pull request from me.
I'm grateful to have been able to continue as a maintainer for eight
years. From the next cycle, Nathan and Nicolas will maintain Kbuild.
- Fix a shortcut key issue in menuconfig
- Fix missing rebuild of kheaders
- Sort the symbol dump generated by gendwarfsyms
- Support zboot extraction in scripts/extract-vmlinux
- Migrate gconfig to GTK 3
- Add TAR variable to allow overriding the default tar command
- Hand over Kbuild maintainership"
* tag 'kbuild-v6.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (92 commits)
MAINTAINERS: hand over Kbuild maintenance
kheaders: make it possible to override TAR
kbuild: userprogs: use correct linker when mixing clang and GNU ld
kconfig: lxdialog: replace strcpy() with strncpy() in inputbox.c
kconfig: lxdialog: replace strcpy with snprintf in print_autowrap
kconfig: gconf: refactor text_insert_help()
kconfig: gconf: remove unneeded variable in text_insert_msg
kconfig: gconf: use hyphens in signals
kconfig: gconf: replace GtkImageMenuItem with GtkMenuItem
kconfig: gconf: Fix Back button behavior
kconfig: gconf: fix single view to display dependent symbols correctly
scripts: add zboot support to extract-vmlinux
gendwarfksyms: order -T symtypes output by name
gendwarfksyms: use preferred form of sizeof for allocation
kconfig: qconf: confine {begin,end}Group to constructor and destructor
kconfig: qconf: fix ConfigList::updateListAllforAll()
kconfig: add a function to dump all menu entries in a tree-like format
kconfig: gconf: show GTK version in About dialog
kconfig: gconf: replace GtkHPaned and GtkVPaned with GtkPaned
kconfig: gconf: replace GdkColor with GdkRGBA
...
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The venus driver fails to check if dev_pm_opp_find_freq_{ceil,floor}()
returns an error pointer before calling dev_pm_opp_put(). This causes
a crash when OPP tables are not present in device tree.
Unable to handle kernel access to user memory outside uaccess routines
at virtual address 000000000000002e
...
pc : dev_pm_opp_put+0x1c/0x4c
lr : core_clks_enable+0x4c/0x16c [venus_core]
Add IS_ERR() checks before calling dev_pm_opp_put() to avoid
dereferencing error pointers.
Fixes: b179234b5e59 ("media: venus: pm_helpers: use opp-table for the frequency")
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git
Pull perf fixes from Thomas Gleixner:
"Perf fixes for perf_mmap() reference counting to prevent potential
reference count leaks which are caused by:
- VMA splits, which change the offset or size of a mapping, which
causes perf_mmap_close() to ignore the unmap or unmap the wrong
buffer.
- Several internal issues of perf_mmap(), which can cause reference
count leaks in the perf mmap, corrupt accounting or cause leaks in
perf drivers.
The main fix is to prevent VMA splits by implementing the
[may_]split() callback for vm operations.
The other issues are addressed by rearranging code, early returns on
failure and invocation of cleanups.
Also provide a selftest to validate the fixes.
The reference counting should be converted to refcount_t, but that
requires larger refactoring of the code and will be done once these
fixes are upstream"
* tag 'perf-fixes-27504' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git:
selftests/perf_events: Add a mmap() correctness test
perf/core: Prevent VMA split of buffer mappings
perf/core: Handle buffer mapping fail correctly in perf_mmap()
perf/core: Exit early on perf_mmap() fail
perf/core: Don't leak AUX buffer refcount on allocation failure
perf/core: Preserve AUX buffer allocation failure result
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The commit referenced in the Fixes tag causes usbnet to malfunction
(identified via git bisect). Post-commit, my external RJ45 LAN cable
fails to connect. Linus also reported the same issue after pulling that
commit.
The code has a logic error: netif_carrier_on() is only called when the
link is already on. Fix this by moving the netif_carrier_on() call
outside the if-statement entirely. This ensures it is always called
when EVENT_LINK_CARRIER_ON is set and properly clears it regardless
of the link state.
Cc: stable@vger.kernel.org
Cc: Armando Budianto <sprite@gnuweeb.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lore.kernel.org/all/CAHk-=wjqL4uF0MG_c8+xHX1Vv8==sPYQrtzbdA3kzi96284nuQ@mail.gmail.com
Closes: https://lore.kernel.org/netdev/CAHk-=wjKh8X4PT_mU1kD4GQrbjivMfPn-_hXa6han_BTDcXddw@mail.gmail.com
Closes: https://lore.kernel.org/netdev/0752dee6-43d6-4e1f-81d2-4248142cccd2@gnuweeb.org
Fixes: 0d9cfc9b8cb1 ("net: usbnet: Avoid potential RCU stall on LINK_CHANGE event")
Signed-off-by: Ammar Faizi <ammarfaizi2@gnuweeb.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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I'm stepping down as the maintainer of Kbuild/Kconfig.
It was enjoyable to refactor and improve the kernel build system,
but due to personal reasons, I believe it's difficult for me to
continue in this role any further.
I discussed this off-list with Nathan and Nicolas, and they have
kindly agreed to take over the maintenance of Kbuild with Odd Fixes.
I'm grateful to them for stepping in.
As for Kconfig, there are currently no designated reviewers, so the
maintainer position will remain vacant for now. I hope someone will
step up to take on the role.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Acked-by: Nathan Chancellor <nathan@kernel.org>
Acked-by: Nicolas Schier <nicolas@fjasle.eu>
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Commit 86cdd2fdc4e3 ("kheaders: make headers archive reproducible")
introduced a number of options specific to GNU tar to the `tar`
invocation in `gen_kheaders.sh` script. This causes the script to fail
to work on systems where `tar` is not GNU tar. This can occur e.g.
on recent Gentoo Linux installations that support using bsdtar from
libarchive instead.
Add a `TAR` make variable to make it possible to override the tar
executable used, e.g. by specifying:
make TAR=gtar
Link: https://bugs.gentoo.org/884061
Reported-by: Sam James <sam@gentoo.org>
Tested-by: Sam James <sam@gentoo.org>
Co-developed-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Michał Górny <mgorny@gentoo.org>
Signed-off-by: Sam James <sam@gentoo.org>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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The userprogs infrastructure does not expect clang being used with GNU ld
and in that case uses /usr/bin/ld for linking, not the configured $(LD).
This fallback is problematic as it will break when cross-compiling.
Mixing clang and GNU ld is used for example when building for SPARC64,
as ld.lld is not sufficient; see Documentation/kbuild/llvm.rst.
Relax the check around --ld-path so it gets used for all linkers.
Fixes: dfc1b168a8c4 ("kbuild: userprogs: use correct lld when linking through clang")
Cc: stable@vger.kernel.org
Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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strcpy() performs no bounds checking and can lead to buffer overflows if
the input string exceeds the destination buffer size. This patch replaces
it with strncpy(), and null terminates the input string.
Signed-off-by: Suchit Karunakaran <suchitkarunakaran@gmail.com>
Reviewed-by: Nicolas Schier <nicolas.schier@linux.dev>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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strcpy() does not perform bounds checking and can lead to buffer overflows
if the source string exceeds the destination buffer size. In
print_autowrap(), replace strcpy() with snprintf() to safely copy the
prompt string into the fixed-size tempstr buffer.
Signed-off-by: Suchit Karunakaran <suchitkarunakaran@gmail.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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A large DMA mapping request can loop through dma address pinning for
many pages. In cases where THP can not be used, the repeated vmf_insert_pfn can
be costly, so let the task reschedule as need to prevent CPU stalls. Failure to
do so has potential harmful side effects, like increased memory pressure
as unrelated rcu tasks are unable to make their reclaim callbacks and
result in OOM conditions.
rcu: INFO: rcu_sched self-detected stall on CPU
rcu: 36-....: (20999 ticks this GP) idle=b01c/1/0x4000000000000000 softirq=35839/35839 fqs=3538
rcu: hardirqs softirqs csw/system
rcu: number: 0 107 0
rcu: cputime: 50 0 10446 ==> 10556(ms)
rcu: (t=21075 jiffies g=377761 q=204059 ncpus=384)
...
<TASK>
? asm_sysvec_apic_timer_interrupt+0x16/0x20
? walk_system_ram_range+0x63/0x120
? walk_system_ram_range+0x46/0x120
? pgprot_writethrough+0x20/0x20
lookup_memtype+0x67/0xf0
track_pfn_insert+0x20/0x40
vmf_insert_pfn_prot+0x88/0x140
vfio_pci_mmap_huge_fault+0xf9/0x1b0 [vfio_pci_core]
__do_fault+0x28/0x1b0
handle_mm_fault+0xef1/0x2560
fixup_user_fault+0xf5/0x270
vaddr_get_pfns+0x169/0x2f0 [vfio_iommu_type1]
vfio_pin_pages_remote+0x162/0x8e0 [vfio_iommu_type1]
vfio_iommu_type1_ioctl+0x1121/0x1810 [vfio_iommu_type1]
? futex_wake+0x1c1/0x260
x64_sys_call+0x234/0x17a0
do_syscall_64+0x63/0x130
? exc_page_fault+0x63/0x130
entry_SYSCALL_64_after_hwframe+0x4b/0x53
Signed-off-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Paul E. McKenney <paulmck@kernel.org>
Link: https://lore.kernel.org/r/20250715184622.3561598-1-kbusch@meta.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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Extend the qat_vfio_pci variant driver to support QAT 6xxx Virtual
Functions (VFs). Add the relevant QAT 6xxx VF device IDs to the driver's
probe table, enabling proper detection and initialization of these devices.
Update the module description to reflect that the driver now supports all
QAT generations.
Signed-off-by: Małgorzata Mielnik <malgorzata.mielnik@intel.com>
Signed-off-by: Suman Kumar Chakraborty <suman.kumar.chakraborty@intel.com>
Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Link: https://lore.kernel.org/r/20250715081150.1244466-1-suman.kumar.chakraborty@intel.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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Remove myself from VFIO QAT PCI driver maintainers as I'm leaving
Intel.
Signed-off-by: Xin Zeng <xin.zeng@intel.com>
Link: https://lore.kernel.org/r/20250715001357.33725-1-xin.zeng@intel.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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This was missed during the initial implementation. The VFIO PCI encodes
the vf_token inside the device name when opening the device from the group
FD, something like:
"0000:04:10.0 vf_token=bd8d9d2b-5a5f-4f5a-a211-f591514ba1f3"
This is used to control access to a VF unless there is co-ordination with
the owner of the PF.
Since we no longer have a device name in the cdev path, pass the token
directly through VFIO_DEVICE_BIND_IOMMUFD using an optional field
indicated by VFIO_DEVICE_BIND_FLAG_TOKEN.
Fixes: 5fcc26969a16 ("vfio: Add VFIO_DEVICE_BIND_IOMMUFD")
Tested-by: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>
Reviewed-by: Yi Liu <yi.l.liu@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Link: https://lore.kernel.org/r/0-v3-bdd8716e85fe+3978a-vfio_token_jgg@nvidia.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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Alienware calls this key "Performance Boost". Dell calls it "G-Mode".
The goal is to have a specific keycode to detect when this key is
pressed, so userspace can act upon it and do what have to do, usually
starting the power profile for performance.
Signed-off-by: Marcos Alano <marcoshalano@gmail.com>
Link: https://lore.kernel.org/r/20250509193708.2190586-1-marcoshalano@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Exercise various mmap(), munmap() and mremap() invocations, which might
cause a perf buffer mapping to be split or truncated.
To avoid hard coding the perf event and having dependencies on
architectures and configuration options, scan through event types in sysfs
and try to open them. On success, try to mmap() and if that succeeds try to
mmap() the AUX buffer.
In case that no AUX buffer supporting event is found, only test the base
buffer mapping. If no mappable event is found or permissions are not
sufficient, skip the tests.
Reserve a PROT_NONE region for both rb and aux tests to allow testing the
case where mremap unmaps beyond the end of a mapped VMA to prevent it from
unmapping unrelated mappings.
Signed-off-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Co-developed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
|
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The perf mmap code is careful about mmap()'ing the user page with the
ringbuffer and additionally the auxiliary buffer, when the event supports
it. Once the first mapping is established, subsequent mapping have to use
the same offset and the same size in both cases. The reference counting for
the ringbuffer and the auxiliary buffer depends on this being correct.
Though perf does not prevent that a related mapping is split via mmap(2),
munmap(2) or mremap(2). A split of a VMA results in perf_mmap_open() calls,
which take reference counts, but then the subsequent perf_mmap_close()
calls are not longer fulfilling the offset and size checks. This leads to
reference count leaks.
As perf already has the requirement for subsequent mappings to match the
initial mapping, the obvious consequence is that VMA splits, caused by
resizing of a mapping or partial unmapping, have to be prevented.
Implement the vm_operations_struct::may_split() callback and return
unconditionally -EINVAL.
That ensures that the mapping offsets and sizes cannot be changed after the
fact. Remapping to a different fixed address with the same size is still
possible as it takes the references for the new mapping and drops those of
the old mapping.
Fixes: 45bfb2e50471 ("perf: Add AUX area to ring buffer for raw data streams")
Reported-by: zdi-disclosures@trendmicro.com # ZDI-CAN-27504
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: stable@vger.kernel.org
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After successful allocation of a buffer or a successful attachment to an
existing buffer perf_mmap() tries to map the buffer read only into the page
table. If that fails, the already set up page table entries are zapped, but
the other perf specific side effects of that failure are not handled. The
calling code just cleans up the VMA and does not invoke perf_mmap_close().
This leaks reference counts, corrupts user->vm accounting and also results
in an unbalanced invocation of event::event_mapped().
Cure this by moving the event::event_mapped() invocation before the
map_range() call so that on map_range() failure perf_mmap_close() can be
invoked without causing an unbalanced event::event_unmapped() call.
perf_mmap_close() undoes the reference counts and eventually frees buffers.
Fixes: b709eb872e19 ("perf: map pages in advance")
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: stable@vger.kernel.org
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When perf_mmap() fails to allocate a buffer, it still invokes the
event_mapped() callback of the related event. On X86 this might increase
the perf_rdpmc_allowed reference counter. But nothing undoes this as
perf_mmap_close() is never called in this case, which causes another
reference count leak.
Return early on failure to prevent that.
Fixes: 1e0fb9ec679c ("perf: Add pmu callbacks to track event mapping and unmapping")
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: stable@vger.kernel.org
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Failure of the AUX buffer allocation leaks the reference count.
Set the reference count to 1 only when the allocation succeeds.
Fixes: 45bfb2e50471 ("perf: Add AUX area to ring buffer for raw data streams")
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: stable@vger.kernel.org
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A recent overhaul sets the return value to 0 unconditionally after the
allocations, which causes reference count leaks and corrupts the user->vm
accounting.
Preserve the AUX buffer allocation failure return value, so that the
subsequent code works correctly.
Fixes: 0983593f32c4 ("perf/core: Lift event->mmap_mutex in perf_mmap()")
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: stable@vger.kernel.org
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Ever since commit c2ff29e99a76 ("siw: Inline do_tcp_sendpages()"),
we have been doing this:
static int siw_tcp_sendpages(struct socket *s, struct page **page, int offset,
size_t size)
[...]
/* Calculate the number of bytes we need to push, for this page
* specifically */
size_t bytes = min_t(size_t, PAGE_SIZE - offset, size);
/* If we can't splice it, then copy it in, as normal */
if (!sendpage_ok(page[i]))
msg.msg_flags &= ~MSG_SPLICE_PAGES;
/* Set the bvec pointing to the page, with len $bytes */
bvec_set_page(&bvec, page[i], bytes, offset);
/* Set the iter to $size, aka the size of the whole sendpages (!!!) */
iov_iter_bvec(&msg.msg_iter, ITER_SOURCE, &bvec, 1, size);
try_page_again:
lock_sock(sk);
/* Sendmsg with $size size (!!!) */
rv = tcp_sendmsg_locked(sk, &msg, size);
This means we've been sending oversized iov_iters and tcp_sendmsg calls
for a while. This has a been a benign bug because sendpage_ok() always
returned true. With the recent slab allocator changes being slowly
introduced into next (that disallow sendpage on large kmalloc
allocations), we have recently hit out-of-bounds crashes, due to slight
differences in iov_iter behavior between the MSG_SPLICE_PAGES and
"regular" copy paths:
(MSG_SPLICE_PAGES)
skb_splice_from_iter
iov_iter_extract_pages
iov_iter_extract_bvec_pages
uses i->nr_segs to correctly stop in its tracks before OoB'ing everywhere
skb_splice_from_iter gets a "short" read
(!MSG_SPLICE_PAGES)
skb_copy_to_page_nocache copy=iov_iter_count
[...]
copy_from_iter
/* this doesn't help */
if (unlikely(iter->count < len))
len = iter->count;
iterate_bvec
... and we run off the bvecs
Fix this by properly setting the iov_iter's byte count, plus sending the
correct byte count to tcp_sendmsg_locked.
Link: https://patch.msgid.link/r/20250729120348.495568-1-pfalcato@suse.de
Cc: stable@vger.kernel.org
Fixes: c2ff29e99a76 ("siw: Inline do_tcp_sendpages()")
Reported-by: kernel test robot <oliver.sang@intel.com>
Closes: https://lore.kernel.org/oe-lkp/202507220801.50a7210-lkp@intel.com
Reviewed-by: David Howells <dhowells@redhat.com>
Signed-off-by: Pedro Falcato <pfalcato@suse.de>
Acked-by: Bernard Metzler <bernard.metzler@linux.dev>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
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Pull ARM update from Russell King:
"Just one development update this time:
- Finish removing Coresight support"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rmk/linux:
ARM: 9449/1: coresight: Finish removal of Coresight support in arch/arm/kernel
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git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat
Pull exfat updates from Namjae Jeon:
- Use generic_write_sync instead of vfs_fsync_range in exfat_file_write_iter.
It will fix an issue where fdatasync would be set incorrectly.
- Fix potential infinite loop by the self-linked chain.
* tag 'exfat-for-6.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat:
exfat: add cluster chain loop check for dir
exfat: fdatasync flag should be same like generic_write_sync()
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git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull more MM updates from Andrew Morton:
"Significant patch series in this pull request:
- "mseal cleanups" (Lorenzo Stoakes)
Some mseal cleaning with no intended functional change.
- "Optimizations for khugepaged" (David Hildenbrand)
Improve khugepaged throughput by batching PTE operations for large
folios. This gain is mainly for arm64.
- "x86: enable EXECMEM_ROX_CACHE for ftrace and kprobes" (Mike Rapoport)
A bugfix, additional debug code and cleanups to the execmem code.
- "mm/shmem, swap: bugfix and improvement of mTHP swap in" (Kairui Song)
Bugfixes, cleanups and performance improvememnts to the mTHP swapin
code"
* tag 'mm-stable-2025-08-03-12-35' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (38 commits)
mm: mempool: fix crash in mempool_free() for zero-minimum pools
mm: correct type for vmalloc vm_flags fields
mm/shmem, swap: fix major fault counting
mm/shmem, swap: rework swap entry and index calculation for large swapin
mm/shmem, swap: simplify swapin path and result handling
mm/shmem, swap: never use swap cache and readahead for SWP_SYNCHRONOUS_IO
mm/shmem, swap: tidy up swap entry splitting
mm/shmem, swap: tidy up THP swapin checks
mm/shmem, swap: avoid redundant Xarray lookup during swapin
x86/ftrace: enable EXECMEM_ROX_CACHE for ftrace allocations
x86/kprobes: enable EXECMEM_ROX_CACHE for kprobes allocations
execmem: drop writable parameter from execmem_fill_trapping_insns()
execmem: add fallback for failures in vmalloc(VM_ALLOW_HUGE_VMAP)
execmem: move execmem_force_rw() and execmem_restore_rox() before use
execmem: rework execmem_cache_free()
execmem: introduce execmem_alloc_rw()
execmem: drop unused execmem_update_copy()
mm: fix a UAF when vma->mm is freed after vma->vm_refcnt got dropped
mm/rmap: add anon_vma lifetime debug check
mm: remove mm/io-mapping.c
...
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull more i2c updates from Wolfram Sang:
"A few more patches from I2C. Some are fixes which would be nice to
have in rc1 already, some patches have nearly been fallen through the
cracks, some just needed a bit more testing.
- acpi: enable 100kHz workaround for DLL0945
- apple: add support for Apple A7–A11, T2 chips; Kconfig update
- mux: mule: fix error handling path
- qcom-geni: fix controller frequency mapping
- stm32f7: add DMA-safe transfer support
- tegra: use controller reset if device reset is missing
- tegra: remove unnecessary dma_sync*() calls"
* tag 'i2c-for-6.17-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: muxes: mule: Fix an error handling path in mule_i2c_mux_probe()
i2c: Force DLL0945 touchpad i2c freq to 100khz
i2c: apple: Drop default ARCH_APPLE in Kconfig
i2c: qcom-geni: fix I2C frequency table to achieve accurate bus rates
dt-bindings: i2c: apple,i2c: Document Apple A7-A11, T2 compatibles
i2c: tegra: Remove dma_sync_*() calls
i2c: tegra: Use internal reset when reset property is not available
i2c: stm32f7: support i2c_*_dma_safe_msg_buf APIs
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git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
Pull f2fs updates from Jaegeuk Kim:
"Three main updates: folio conversion by Matthew, switch to a new mount
API by Hongbo and Eric, and several sysfs entries to tune GCs for ZUFS
with finer granularity by Daeho.
There are also patches to address bugs and issues in the existing
features such as GCs, file pinning, write-while-dio-read, contingous
block allocation, and memory access violations.
Enhancements:
- switch to new mount API and folio conversion
- add sysfs nodes to controle F2FS GCs for ZUFS
- improve performance on the nat entry cache
- drop inode from the donation list when the last file is closed
- avoid splitting bio when reading multiple pages
Bug fixes:
- fix to trigger foreground gc during f2fs_map_blocks() in lfs mode
- make sure zoned device GC to use FG_GC in shortage of free section
- fix to calculate dirty data during has_not_enough_free_secs()
- fix to update upper_p in __get_secs_required() correctly
- wait for inflight dio completion, excluding pinned files read using dio
- don't break allocation when crossing contiguous sections
- vm_unmap_ram() may be called from an invalid context
- fix to avoid out-of-boundary access in dnode page
- fix to avoid panic in f2fs_evict_inode
- fix to avoid UAF in f2fs_sync_inode_meta()
- fix to use f2fs_is_valid_blkaddr_raw() in do_write_page()
- fix UAF of f2fs_inode_info in f2fs_free_dic
- fix to avoid invalid wait context issue
- fix bio memleak when committing super block
- handle nat.blkaddr corruption in f2fs_get_node_info()
In addition, there are also clean-ups and minor bug fixes"
* tag 'f2fs-for-6.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (109 commits)
f2fs: drop inode from the donation list when the last file is closed
f2fs: add gc_boost_gc_greedy sysfs node
f2fs: add gc_boost_gc_multiple sysfs node
f2fs: fix to trigger foreground gc during f2fs_map_blocks() in lfs mode
f2fs: fix to calculate dirty data during has_not_enough_free_secs()
f2fs: fix to update upper_p in __get_secs_required() correctly
f2fs: directly add newly allocated pre-dirty nat entry to dirty set list
f2fs: avoid redundant clean nat entry move in lru list
f2fs: zone: wait for inflight dio completion, excluding pinned files read using dio
f2fs: ignore valid ratio when free section count is low
f2fs: don't break allocation when crossing contiguous sections
f2fs: remove unnecessary tracepoint enabled check
f2fs: merge the two conditions to avoid code duplication
f2fs: vm_unmap_ram() may be called from an invalid context
f2fs: fix to avoid out-of-boundary access in dnode page
f2fs: switch to the new mount api
f2fs: introduce fs_context_operation structure
f2fs: separate the options parsing and options checking
f2fs: Add f2fs_fs_context to record the mount options
f2fs: Allow sbi to be NULL in f2fs_printk
...
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git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux
Pull printk updates from Petr Mladek:
- Add new "hash_pointers=[auto|always|never]" boot parameter to force
the hashing even with "slab_debug" enabled
- Allow to stop CPU, after losing nbcon console ownership during
panic(), even without proper NMI
- Allow to use the printk kthread immediately even for the 1st
registered nbcon
- Compiler warning removal
* tag 'printk-for-6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux:
printk: nbcon: Allow reacquire during panic
printk: Allow to use the printk kthread immediately even for 1st nbcon
slab: Decouple slab_debug and no_hash_pointers
vsprintf: Use __diag macros to disable '-Wsuggest-attribute=format'
compiler-gcc.h: Introduce __diag_GCC_all
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With the seqcount moved out of the group into a global psi_seq,
re-initializing the seqcount on group creation is causing seqcount
corruption.
Fixes: 570c8efd5eb7 ("sched/psi: Optimize psi_group_change() cpu_clock() usage")
Reported-by: Chris Mason <clm@meta.com>
Suggested-by: Beata Michalska <beata.michalska@arm.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper updates from Mikulas Patocka:
- fix checking for request-based stackable devices (dm-table)
- fix corrupt_bio_byte setup checks (dm-flakey)
- add support for resync w/o metadata devices (dm raid)
- small code simplification (dm, dm-mpath, vm-vdo, dm-raid)
- remove support for asynchronous hashes (dm-verity)
- close smatch warning (dm-zoned-target)
- update the documentation and enable inline-crypto passthrough
(dm-thin)
* tag 'for-6.17/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm: set DM_TARGET_PASSES_CRYPTO feature for dm-thin
dm-thin: update the documentation
dm-raid: do not include dm-core.h
vdo: omit need_resched() before cond_resched()
md: dm-zoned-target: Initialize return variable r to avoid uninitialized use
dm-verity: remove support for asynchronous hashes
dm-mpath: don't print the "loaded" message if registering fails
dm-mpath: make dm_unregister_path_selector return void
dm: ima: avoid extra calls to strlen()
dm: Simplify dm_io_complete()
dm: Remove unnecessary return in dm_zone_endio()
dm raid: add support for resync w/o metadata devices
dm-flakey: Fix corrupt_bio_byte setup checks
dm-table: fix checking for rq stackable devices
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Pull OpenRISC updates from Stafford Horne:
- Replace __ASSEMBLY__ with __ASSEMBLER__ in headers (Thomas Huth)
* tag 'for-linus' of https://github.com/openrisc/linux:
openrisc: Replace __ASSEMBLY__ with __ASSEMBLER__ in non-uapi headers
openrisc: Replace __ASSEMBLY__ with __ASSEMBLER__ in uapi headers
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git://git.kernel.org/pub/scm/linux/kernel/git/jj/linux-apparmor
Pull apparmor updates from John Johansen:
"This has one major feature, it pulls in a cleaned up version of
af_unix mediation that Ubuntu has been carrying for years. It is
placed behind a new abi to ensure that it does cause policy
regressions. With pulling in the af_unix mediation there have been
cleanups and some refactoring of network socket mediation. This
accounts for the majority of the changes in the diff.
In addition there are a few improvements providing minor code
optimizations. several code cleanups, and bug fixes.
Features:
- improve debug printing
- carry mediation check on label (optimization)
- improve ability for compiler to optimize
__begin_current_label_crit_section
- transition for a linked list of rulesets to a vector of rulesets
- don't hardcode profile signal, allow it to be set by policy
- ability to mediate caps via the state machine instead of lut
- Add Ubuntu af_unix mediation, put it behind new v9 abi
Cleanups:
- fix typos and spelling errors
- cleanup kernel doc and code inconsistencies
- remove redundant checks/code
- remove unused variables
- Use str_yes_no() helper function
- mark tables static where appropriate
- make all generated string array headers const char *const
- refactor to doc semantics of file_perm checks
- replace macro calls to network/socket fns with explicit calls
- refactor/cleanup socket mediation code preparing for finer grained
mediation of different network families
- several updates to kernel doc comments
Bug fixes:
- fix incorrect profile->signal range check
- idmap mount fixes
- policy unpack unaligned access fixes
- kfree_sensitive() where appropriate
- fix oops when freeing policy
- fix conflicting attachment resolution
- fix exec table look-ups when stacking isn't first
- fix exec auditing
- mitigate userspace generating overly large xtables"
* tag 'apparmor-pr-2025-08-04' of git://git.kernel.org/pub/scm/linux/kernel/git/jj/linux-apparmor: (60 commits)
apparmor: fix: oops when trying to free null ruleset
apparmor: fix Regression on linux-next (next-20250721)
apparmor: fix test error: WARNING in apparmor_unix_stream_connect
apparmor: Remove the unused variable rules
apparmor: fix: accept2 being specifie even when permission table is presnt
apparmor: transition from a list of rules to a vector of rules
apparmor: fix documentation mismatches in val_mask_to_str and socket functions
apparmor: remove redundant perms.allow MAY_EXEC bitflag set
apparmor: fix kernel doc warnings for kernel test robot
apparmor: Fix unaligned memory accesses in KUnit test
apparmor: Fix 8-byte alignment for initial dfa blob streams
apparmor: shift uid when mediating af_unix in userns
apparmor: shift ouid when mediating hard links in userns
apparmor: make sure unix socket labeling is correctly updated.
apparmor: fix regression in fs based unix sockets when using old abi
apparmor: fix AA_DEBUG_LABEL()
apparmor: fix af_unix auditing to include all address information
apparmor: Remove use of the double lock
apparmor: update kernel doc comments for xxx_label_crit_section
apparmor: make __begin_current_label_crit_section() indicate whether put is needed
...
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profile allocation is wrongly setting the number of entries on the
rules vector before any ruleset is assigned. If profile allocation
fails between ruleset allocation and assigning the first ruleset,
free_ruleset() will be called with a null pointer resulting in an
oops.
[ 107.350226] kernel BUG at mm/slub.c:545!
[ 107.350912] Oops: invalid opcode: 0000 [#1] PREEMPT SMP NOPTI
[ 107.351447] CPU: 1 UID: 0 PID: 27 Comm: ksoftirqd/1 Not tainted 6.14.6-hwe-rlee287-dev+ #5
[ 107.353279] Hardware name:[ 107.350218] -QE-----------[ cutMU here ]--------- Ub---
[ 107.3502untu26] kernel BUG a 24t mm/slub.c:545.!04 P
[ 107.350912]C ( Oops: invalid oi4pcode: 0000 [#1]40 PREEMPT SMP NOPFXTI
+ PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 107.356054] RIP: 0010:__slab_free+0x152/0x340
[ 107.356444] Code: 00 4c 89 ff e8 0f ac df 00 48 8b 14 24 48 8b 4c 24 20 48 89 44 24 08 48 8b 03 48 c1 e8 09 83 e0 01 88 44 24 13 e9 71 ff ff ff <0f> 0b 41 f7 44 24 08 87 04 00 00 75 b2 eb a8 41 f7 44 24 08 87 04
[ 107.357856] RSP: 0018:ffffad4a800fbbb0 EFLAGS: 00010246
[ 107.358937] RAX: ffff97ebc2a88e70 RBX: ffffd759400aa200 RCX: 0000000000800074
[ 107.359976] RDX: ffff97ebc2a88e60 RSI: ffffd759400aa200 RDI: ffffad4a800fbc20
[ 107.360600] RBP: ffffad4a800fbc50 R08: 0000000000000001 R09: ffffffff86f02cf2
[ 107.361254] R10: 0000000000000000 R11: 0000000000000000 R12: ffff97ecc0049400
[ 107.361934] R13: ffff97ebc2a88e60 R14: ffff97ecc0049400 R15: 0000000000000000
[ 107.362597] FS: 0000000000000000(0000) GS:ffff97ecfb200000(0000) knlGS:0000000000000000
[ 107.363332] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 107.363784] CR2: 000061c9545ac000 CR3: 0000000047aa6000 CR4: 0000000000750ef0
[ 107.364331] PKRU: 55555554
[ 107.364545] Call Trace:
[ 107.364761] <TASK>
[ 107.364931] ? local_clock+0x15/0x30
[ 107.365219] ? srso_alias_return_thunk+0x5/0xfbef5
[ 107.365593] ? kfree_sensitive+0x32/0x70
[ 107.365900] kfree+0x29d/0x3a0
[ 107.366144] ? srso_alias_return_thunk+0x5/0xfbef5
[ 107.366510] ? local_clock_noinstr+0xe/0xd0
[ 107.366841] ? srso_alias_return_thunk+0x5/0xfbef5
[ 107.367209] kfree_sensitive+0x32/0x70
[ 107.367502] aa_free_profile.part.0+0xa2/0x400
[ 107.367850] ? rcu_do_batch+0x1e6/0x5e0
[ 107.368148] aa_free_profile+0x23/0x60
[ 107.368438] label_free_switch+0x4c/0x80
[ 107.368751] label_free_rcu+0x1c/0x50
[ 107.369038] rcu_do_batch+0x1e8/0x5e0
[ 107.369324] ? rcu_do_batch+0x157/0x5e0
[ 107.369626] rcu_core+0x1b0/0x2f0
[ 107.369888] rcu_core_si+0xe/0x20
[ 107.370156] handle_softirqs+0x9b/0x3d0
[ 107.370460] ? smpboot_thread_fn+0x26/0x210
[ 107.370790] run_ksoftirqd+0x3a/0x70
[ 107.371070] smpboot_thread_fn+0xf9/0x210
[ 107.371383] ? __pfx_smpboot_thread_fn+0x10/0x10
[ 107.371746] kthread+0x10d/0x280
[ 107.372010] ? __pfx_kthread+0x10/0x10
[ 107.372310] ret_from_fork+0x44/0x70
[ 107.372655] ? __pfx_kthread+0x10/0x10
[ 107.372974] ret_from_fork_asm+0x1a/0x30
[ 107.373316] </TASK>
[ 107.373505] Modules linked in: af_packet_diag mptcp_diag tcp_diag udp_diag raw_diag inet_diag snd_seq_dummy snd_hrtimer snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device snd_timer snd soundcore qrtr binfmt_misc intel_rapl_msr intel_rapl_common kvm_amd ccp kvm irqbypass polyval_clmulni polyval_generic ghash_clmulni_intel sha256_ssse3 sha1_ssse3 aesni_intel crypto_simd cryptd i2c_piix4 i2c_smbus input_leds joydev sch_fq_codel msr parport_pc ppdev lp parport efi_pstore nfnetlink vsock_loopback vmw_vsock_virtio_transport_common vmw_vsock_vmci_transport vsock vmw_vmci dmi_sysfs qemu_fw_cfg ip_tables x_tables autofs4 hid_generic usbhid hid psmouse serio_raw floppy bochs pata_acpi
[ 107.379086] ---[ end trace 0000000000000000 ]---
Don't set the count until a ruleset is actually allocated and
guard against free_ruleset() being called with a null pointer.
Reported-by: Ryan Lee <ryan.lee@canonical.com>
Fixes: 217af7e2f4de ("apparmor: refactor profile rules and attachments")
Signed-off-by: John Johansen <john.johansen@canonical.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd into next
Merge an immutable branch between MFD, GPIO, Input and PWM to resolve
conflicts for the merge window pull request.
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The driver called pwm_config() and pwm_enable() separately. Today both
are wrappers for pwm_apply_might_sleep() and it's more effective to call
this function directly and only once. Also don't configure the
duty_cycle and period if the next operation is to disable the PWM so
configure the PWM in max77693_haptic_enable().
With the direct use of pwm_apply_might_sleep() the need to call
pwm_apply_args() in .probe() is now gone, too, so drop this one.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Link: https://lore.kernel.org/r/20250630103851.2069952-2-u.kleine-koenig@baylibre.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
"Support for a new RTC in an existing driver and all the drivers
exposing clocks using the common clock framework have been converted
to determine_rate(). Summary:
Subsystem:
- Convert drivers exposing a clock from round_rate() to determine_rate()
Drivers:
- ds1307: oscillator stop flag handling for ds1341
- pcf85063: add support for RV8063"
* tag 'rtc-6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (34 commits)
rtc: ds1685: Update Joshua Kinard's email address.
rtc: rv3032: convert from round_rate() to determine_rate()
rtc: rv3028: convert from round_rate() to determine_rate()
rtc: pcf8563: convert from round_rate() to determine_rate()
rtc: pcf85063: convert from round_rate() to determine_rate()
rtc: nct3018y: convert from round_rate() to determine_rate()
rtc: max31335: convert from round_rate() to determine_rate()
rtc: m41t80: convert from round_rate() to determine_rate()
rtc: hym8563: convert from round_rate() to determine_rate()
rtc: ds1307: convert from round_rate() to determine_rate()
rtc: rv3028: fix incorrect maximum clock rate handling
rtc: pcf8563: fix incorrect maximum clock rate handling
rtc: pcf85063: fix incorrect maximum clock rate handling
rtc: nct3018y: fix incorrect maximum clock rate handling
rtc: hym8563: fix incorrect maximum clock rate handling
rtc: ds1307: fix incorrect maximum clock rate handling
rtc: pcf85063: scope pcf85063_config structures
rtc: Optimize calculations in rtc_time64_to_tm()
dt-bindings: rtc: amlogic,a4-rtc: Add compatible string for C3
rtc: ds1307: handle oscillator stop flag (OSF) for ds1341
...
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Madhavan Srinivasan:
- Fixes for several issues in the powernv PCI hotplug path
- Fix htmldoc generation for htm.rst in toctree
- Add jit support for load_acquire and store_release in ppc64 bpf jit
Thanks to Bjorn Helgaas, Hari Bathini, Puranjay Mohan, Saket Kumar
Bhaskar, Shawn Anastasio, Timothy Pearson, and Vishal Parmar
* tag 'powerpc-6.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc64/bpf: Add jit support for load_acquire and store_release
docs: powerpc: add htm.rst to toctree
PCI: pnv_php: Enable third attention indicator state
PCI: pnv_php: Fix surprise plug detection and recovery
powerpc/eeh: Make EEH driver device hotplug safe
powerpc/eeh: Export eeh_unfreeze_pe()
PCI: pnv_php: Work around switches with broken presence detection
PCI: pnv_php: Clean up allocated IRQs on unplug
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