The majority of blockdev filesystems, which do not have a UUID in their
on-disk format, derive f_fsid of statfs(2) from bdev->bd_dev.
Use the same practice for freevxfs.
This will allow reporting fanotify events with fanotify_event_info_fid.
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Link: https://lore.kernel.org/r/20231024121457.3014063-1-amir73il@gmail.com
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Christian Brauner <brauner@kernel.org>
There are many "simple" filesystems (*) that report null f_fsid in
statfs(2). Those "simple" filesystems report sb->s_dev as the st_dev
field of the stat syscalls for all inodes of the filesystem (**).
In order to enable fanotify reporting of events with fsid on those
"simple" filesystems, report the sb->s_dev number in f_fsid field of
statfs(2).
(*) For most of the "simple" filesystem refered to in this commit, the
->statfs() operation is simple_statfs(). Some of those fs assign the
simple_statfs() method directly in their ->s_op struct and some assign it
indirectly via a call to simple_fill_super() or to pseudo_fs_fill_super()
with either custom or "simple" s_op.
We also make the same change to efivarfs and hugetlbfs, although they do
not use simple_statfs(), because they use the simple_* inode opreations
(e.g. simple_lookup()).
(**) For most of the "simple" filesystems, the ->getattr() method is not
assigned, so stat() is implemented by generic_fillattr(). A few "simple"
filesystem use the simple_getattr() method which also calls
generic_fillattr() to fill most of the stat struct.
The two exceptions are procfs and 9p. procfs implements several different
->getattr() methods, but they all end up calling generic_fillattr() to
fill the st_dev field from sb->s_dev.
9p has more complicated ->getattr() methods, but they too, end up calling
generic_fillattr() to fill the st_dev field from sb->s_dev.
Note that 9p and kernfs also call simple_statfs() from custom ->statfs()
methods which already fill the f_fsid field, but v9fs_statfs() calls
simple_statfs() only in case f_fsid was not filled and kenrfs_statfs()
overwrites f_fsid after calling simple_statfs().
Link: https://lore.kernel.org/r/20230919094820.g5bwharbmy2dq46w@quack3/
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Link: https://lore.kernel.org/r/20231023143049.2944970-1-amir73il@gmail.com
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
AT_HANDLE_FID was added as an API for name_to_handle_at() that request
the encoding of a file id, which is not intended to be decoded.
This file id is used by fanotify to describe objects in events.
So far, overlayfs is the only filesystem that supports encoding
non-decodeable file ids, by providing export_operations with an
->encode_fh() method and without a ->decode_fh() method.
Add support for encoding non-decodeable file ids to all the filesystems
that do not provide export_operations, by encoding a file id of type
FILEID_INO64_GEN from { i_ino, i_generation }.
A filesystem may that does not support NFS export, can opt-out of
encoding non-decodeable file ids for fanotify by defining an empty
export_operations struct (i.e. with a NULL ->encode_fh() method).
This allows the use of fanotify events with file ids on filesystems
like 9p which do not support NFS export to bring fanotify in feature
parity with inotify on those filesystems.
Note that fanotify also requires that the filesystems report a non-null
fsid. Currently, many simple filesystems that have support for inotify
(e.g. debugfs, tracefs, sysfs) report a null fsid, so can still not be
used with fanotify in file id reporting mode.
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Link: https://lore.kernel.org/r/20231023180801.2953446-5-amir73il@gmail.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
Similar to the common FILEID_INO32* file handle types, define common
FILEID_INO64* file handle types.
The type values of FILEID_INO64_GEN and FILEID_INO64_GEN_PARENT are the
values returned by fuse and xfs for 64bit ino encoded file handle types.
Note that these type value are filesystem specific and they do not define
a universal file handle format, for example:
fuse encodes FILEID_INO64_GEN as [ino-hi32,ino-lo32,gen] and xfs encodes
FILEID_INO64_GEN as [hostr-order-ino64,gen] (a.k.a xfs_fid64).
The FILEID_INO64_GEN fhandle type is going to be used for file ids for
fanotify from filesystems that do not support NFS export.
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Link: https://lore.kernel.org/r/20231023180801.2953446-4-amir73il@gmail.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
Rename the default helper for encoding FILEID_INO32_GEN* file handles to
generic_encode_ino32_fh() and convert the filesystems that used the
default implementation to use the generic helper explicitly.
After this change, exportfs_encode_inode_fh() no longer has a default
implementation to encode FILEID_INO32_GEN* file handles.
This is a step towards allowing filesystems to encode non-decodeable
file handles for fanotify without having to implement any
export_operations.
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Acked-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Link: https://lore.kernel.org/r/20231023180801.2953446-3-amir73il@gmail.com
Acked-by: Dave Kleikamp <dave.kleikamp@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Christian Brauner <brauner@kernel.org>
The logic of whether filesystem can encode/decode file handles is open
coded in many places.
In preparation to changing the logic, move the open coded logic into
inline helpers.
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Link: https://lore.kernel.org/r/20231023180801.2953446-2-amir73il@gmail.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
- don't try to print warnings to the console when it is no longer
available
- fix theoretical memory leak in SSDT override handling
- make sure that the boot_params global variable is set before the KASLR
code attempts to hash it for 'randomness'
- avoid soft lockups in the memory acceptance code
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Merge tag 'efi-fixes-for-v6.6-3' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi
Pull EFI fixes from Ard Biesheuvel:
"The boot_params pointer fix uses a somewhat ugly extern struct
declaration but this will be cleaned up the next cycle.
- don't try to print warnings to the console when it is no longer
available
- fix theoretical memory leak in SSDT override handling
- make sure that the boot_params global variable is set before the
KASLR code attempts to hash it for 'randomness'
- avoid soft lockups in the memory acceptance code"
* tag 'efi-fixes-for-v6.6-3' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
efi/unaccepted: Fix soft lockups caused by parallel memory acceptance
x86/boot: efistub: Assign global boot_params variable
efi: fix memory leak in krealloc failure handling
x86/efistub: Don't try to print after ExitBootService()
- Fix stale propagated yield_cpu in qspinlocks leading to lockups.
- Fix broken hugepages on some configs due to ARCH_FORCE_MAX_ORDER.
- Fix a spurious warning when copros are in use at exit time.
Thanks to: Nicholas Piggin, Christophe Leroy, Nysal Jan K.A Sachin Sant,
Shrikanth Hegde.
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Merge tag 'powerpc-6.6-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
- Fix stale propagated yield_cpu in qspinlocks leading to lockups
- Fix broken hugepages on some configs due to ARCH_FORCE_MAX_ORDER
- Fix a spurious warning when copros are in use at exit time
Thanks to Nicholas Piggin, Christophe Leroy, Nysal Jan K.A Sachin Sant,
and Shrikanth Hegde.
* tag 'powerpc-6.6-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/qspinlock: Fix stale propagated yield_cpu
powerpc/64s/radix: Don't warn on copros in radix__tlb_flush()
powerpc/mm: Allow ARCH_FORCE_MAX_ORDER up to 12
- fix interrupt handling in suspend and wakeup in gpio-vf610
- fix a bug on setting direction to output in gpio-vf610
- add a missing memset() in gpio ACPI code
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Merge tag 'gpio-fixes-for-v6.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fixes from Bartosz Golaszewski:
- fix interrupt handling in suspend and wakeup in gpio-vf610
- fix a bug on setting direction to output in gpio-vf610
- add a missing memset() in gpio ACPI code
* tag 'gpio-fixes-for-v6.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpiolib: acpi: Add missing memset(0) to acpi_get_gpiod_from_data()
gpio: vf610: set value before the direction to avoid a glitch
gpio: vf610: mask the gpio irq in system suspend and support wakeup
- kprobe-events: Fix kprobe events to reject if the attached symbol
is not unique name because it may not the function which the user
want to attach to. (User can attach a probe to such symbol using
the nearest unique symbol + offset.)
- selftest: Add a testcase to ensure the kprobe event rejects non
unique symbol correctly.
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Merge tag 'probes-fixes-v6.6-rc6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull probes fixes from Masami Hiramatsu:
- kprobe-events: Fix kprobe events to reject if the attached symbol is
not unique name because it may not the function which the user want
to attach to. (User can attach a probe to such symbol using the
nearest unique symbol + offset.)
- selftest: Add a testcase to ensure the kprobe event rejects non
unique symbol correctly.
* tag 'probes-fixes-v6.6-rc6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
selftests/ftrace: Add new test case which checks non unique symbol
tracing/kprobes: Return EADDRNOTAVAIL when func matches several symbols
- Fix IOMMU bitmap allocation in s390 PCI to avoid out of bounds access
when IOMMU pages aren't a multiple of 64.
- Fix kasan crashes when accessing DCSS mapping in memory holes by adding
corresponding kasan zero shadow mappings.
- Fix a memory leak in css_alloc_subchannel in case dma_set_coherent_mask
fails.
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Merge tag 's390-6.6-4' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Vasily Gorbik:
- Fix IOMMU bitmap allocation in s390 PCI to avoid out of bounds access
when IOMMU pages aren't a multiple of 64
- Fix kasan crashes when accessing DCSS mapping in memory holes by
adding corresponding kasan zero shadow mappings
- Fix a memory leak in css_alloc_subchannel in case
dma_set_coherent_mask fails
* tag 's390-6.6-4' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/pci: fix iommu bitmap allocation
s390/kasan: handle DCSS mapping in memory holes
s390/cio: fix a memleak in css_alloc_subchannel
Highlights:
- Fix spurious brightness down presses on newer Asus laptop models
- Fix backlight control not working on T2 Mac Pro all-in-ones
- Add Armin Wolf as new maintainer for the WMI bus driver and
change its status from orphaned to maintained
- A few other small fixes
The following is an automated git shortlog grouped by driver:
Merge tag 'platform-drivers-x86-mellanox-init-v6.6' into fixes:
- Merge tag 'platform-drivers-x86-mellanox-init-v6.6' into fixes
apple-gmux:
- Hard Code max brightness for MMIO gmux
asus-wmi:
- Map 0x2a code, Ignore 0x2b and 0x2c events
- Only map brightness codes when using asus-wmi backlight control
- Change ASUS_WMI_BRN_DOWN code from 0x20 to 0x2e
intel-uncore-freq:
- Conditionally create attribute for read frequency
msi-ec:
- Fix the 3rd config
platform:
- mellanox: Fix a resource leak in an error handling path in probing flow
platform/mellanox:
- mlxbf-tmfifo: Fix a warning message
platform/surface:
- platform_profile: Propagate error if profile registration fails
wmi:
- Update MAINTAINERS entry
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Merge tag 'platform-drivers-x86-v6.6-5' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver fixes from Hans de Goede:
- Fix spurious brightness down presses on newer Asus laptop models
- Fix backlight control not working on T2 Mac Pro all-in-ones
- Add Armin Wolf as new maintainer for the WMI bus driver and change
its status from orphaned to maintained
- A few other small fixes
* tag 'platform-drivers-x86-v6.6-5' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
platform/mellanox: mlxbf-tmfifo: Fix a warning message
apple-gmux: Hard Code max brightness for MMIO gmux
platform/surface: platform_profile: Propagate error if profile registration fails
platform/x86: asus-wmi: Map 0x2a code, Ignore 0x2b and 0x2c events
platform/x86: asus-wmi: Only map brightness codes when using asus-wmi backlight control
platform/x86: asus-wmi: Change ASUS_WMI_BRN_DOWN code from 0x20 to 0x2e
platform/x86: wmi: Update MAINTAINERS entry
platform/x86: msi-ec: Fix the 3rd config
platform/x86: intel-uncore-freq: Conditionally create attribute for read frequency
platform: mellanox: Fix a resource leak in an error handling path in probing flow
Here are 4 small patches for USB and Thunderbolt for 6.6-rc7 that do the
following:
- new usb-serial device ids
- thunderbolt driver fix for reported issue
All of these have been in linux-next with no reported problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB / Thunderbolt fixes and ids from Greg KH:
"Here are four small patches for USB and Thunderbolt for 6.6-rc7 that
do the following:
- new usb-serial device ids
- thunderbolt driver fix for reported issue
All of these have been in linux-next with no reported problems"
* tag 'usb-6.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
USB: serial: option: add Fibocom to DELL custom modem FM101R-GL
USB: serial: option: add entry for Sierra EM9191 with new firmware
USB: serial: option: add Telit LE910C4-WWX 0x1035 composition
thunderbolt: Call tb_switch_put() once DisplayPort bandwidth request is finished
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Merge tag 'v6.6-p5' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fix from Herbert Xu:
"Fix a 6.5 regression in crypto/asymmetric_keys"
* tag 'v6.6-p5' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
KEYS: asymmetric: Fix sign/verify on pkcs1pad without a hash
* Fix a bug where a writev consisting of a bunch of sub-fsblock writes
where the last buffer address is invalid could lead to an infinite
loop.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Merge tag 'iomap-6.6-fixes-5' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull iomap fix from Darrick Wong:
- Fix a bug where a writev consisting of a bunch of sub-fsblock writes
where the last buffer address is invalid could lead to an infinite
loop
* tag 'iomap-6.6-fixes-5' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
iomap: fix short copy in iomap_write_iter()
- Fix regression in reading scale and unit files from sysfs for PMU
events, so that we can use that info to pretty print instead of
printing raw numbers:
# perf stat -e power/energy-ram/,power/energy-gpu/ sleep 2
Performance counter stats for 'system wide':
1.64 Joules power/energy-ram/
0.20 Joules power/energy-gpu/
2.001228914 seconds time elapsed
#
# grep -m1 "model name" /proc/cpuinfo
model name : Intel(R) Core(TM) i7-8650U CPU @ 1.90GHz
#
- The small llvm.cpp file used to check if the llvm devel files are present was
incorrectly deleted when removing the BPF event in 'perf trace', put it back
as it is also used by tools/bpf/bpftool, that uses llvm routines to do
disassembly of BPF object files.
- Fix use of addr_location__exit() in dlfilter__object_code(), making sure that
it is only used to pair a previous addr_location__init() call.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-tools-fixes-for-v6.6-2-2023-10-20' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools
Pull perf tools fixes from Arnaldo Carvalho de Melo:
- Fix regression in reading scale and unit files from sysfs for PMU
events, so that we can use that info to pretty print instead of
printing raw numbers:
# perf stat -e power/energy-ram/,power/energy-gpu/ sleep 2
Performance counter stats for 'system wide':
1.64 Joules power/energy-ram/
0.20 Joules power/energy-gpu/
2.001228914 seconds time elapsed
#
# grep -m1 "model name" /proc/cpuinfo
model name : Intel(R) Core(TM) i7-8650U CPU @ 1.90GHz
#
- The small llvm.cpp file used to check if the llvm devel files are
present was incorrectly deleted when removing the BPF event in 'perf
trace', put it back as it is also used by tools/bpf/bpftool, that
uses llvm routines to do disassembly of BPF object files.
- Fix use of addr_location__exit() in dlfilter__object_code(), making
sure that it is only used to pair a previous addr_location__init()
call.
* tag 'perf-tools-fixes-for-v6.6-2-2023-10-20' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools:
tools build: Fix llvm feature detection, still used by bpftool
perf dlfilter: Add a test for object_code()
perf dlfilter: Fix use of addr_location__exit() in dlfilter__object_code()
perf pmu: Fix perf stat output with correct scale and unit
This Kselftest update for Linux 6.6-rc7 consists of one single fix
to assert check in user_events abi_test to properly check bit value
on Big Endian architectures. The current code treats the bit values
as Little Endian and the check fails on Big Endian.
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Merge tag 'linux_kselftest_active-fixes-6.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull Kselftest fix from Shuah Khan:
"One single fix to assert check in user_events abi_test to properly
check bit value on Big Endian architectures. The code treated the bit
values as Little Endian and the check failed on Big Endian"
* tag 'linux_kselftest_active-fixes-6.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests/user_events: Fix abi_test for BE archs
Stable Fix:
* Fix a pNFS hang in nfs4_evict_inode()
Bugfixes:
* Force update of suid/sgid bits after an NFS v4.2 ALLOCATE op
* Fix a potential oops in nfs_inode_remove_request()
* Check the validity of the layout pointer in ff_layout_mirror_prepare_stats()
* Fix incorrectly marking the pNFS MDS with USE_PNFS_DS in some cases
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Merge tag 'nfs-for-6.6-4' of git://git.linux-nfs.org/projects/anna/linux-nfs
Pull NFS client fixes from Anna Schumaker:
"Stable Fix:
- Fix a pNFS hang in nfs4_evict_inode()
Fixes:
- Force update of suid/sgid bits after an NFS v4.2 ALLOCATE op
- Fix a potential oops in nfs_inode_remove_request()
- Check the validity of the layout pointer in ff_layout_mirror_prepare_stats()
- Fix incorrectly marking the pNFS MDS with USE_PNFS_DS in some cases"
* tag 'nfs-for-6.6-4' of git://git.linux-nfs.org/projects/anna/linux-nfs:
NFSv4.1: fixup use EXCHGID4_FLAG_USE_PNFS_DS for DS server
pNFS/flexfiles: Check the layout validity in ff_layout_mirror_prepare_stats
pNFS: Fix a hang in nfs4_evict_inode()
NFS: Fix potential oops in nfs_inode_remove_request()
nfs42: client needs to strip file mode's suid/sgid bit after ALLOCATE op
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Merge tag 'fsnotify_for_v6.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull fanotify fix from Jan Kara:
"Disable superblock / mount marks for filesystems that can encode file
handles but not open them (currently only overlayfs).
It is not clear the functionality is useful in any way so let's better
disable it before someone comes up with some creative misuse"
* tag 'fsnotify_for_v6.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
fanotify: limit reporting of event with non-decodeable file handles
- Fix ACPI initialization ordering on ARM that was changed incorrectly
during the 6.5 development cycle (Hanjun Guo).
- Make acpi_register_gsi() return an error code as appropriate when
irq_create_fwspec_mapping() returns 0 on failure (Sunil V L).
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Merge tag 'acpi-6.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael Wysocki:
"These fix the ACPI initialization ordering on ARM and ACPI IRQ
management in the cases when irq_create_fwspec_mapping() fails.
Specifics:
- Fix ACPI initialization ordering on ARM that was changed
incorrectly during the 6.5 development cycle (Hanjun Guo)
- Make acpi_register_gsi() return an error code as appropriate when
irq_create_fwspec_mapping() returns 0 on failure (Sunil V L)"
* tag 'acpi-6.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: bus: Move acpi_arm_init() to the place of after acpi_ghes_init()
ACPI: irq: Fix incorrect return value in acpi_register_gsi()
Two small fixes, both in drivers. The mptsas one is really fixing an
error path issue where it can leave the misc driver loaded even though
the sas driver fails to initialize.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Two small fixes, both in drivers.
The mptsas one is really fixing an error path issue where it can leave
the misc driver loaded even though the sas driver fails to initialize"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: qla2xxx: Fix double free of dsd_list during driver load
scsi: mpt3sas: Fix in error path
- Concurrent register updates in the Qualcomm LPASS pin
controller gets a proper lock.
- We revert a mutex fix that was causing problems: contention
on the mutex or something of the sort lead to probe
reordering and MMC block devices start to register in
a different order, which unsuspecting userspace is not
ready to handle.
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Merge tag 'pinctrl-v6.6-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control fixes from Linus Walleij:
- Concurrent register updates in the Qualcomm LPASS pin controller gets
a proper lock.
- revert a mutex fix that was causing problems: contention on the mutex
or something of the sort lead to probe reordering and MMC block
devices start to register in a different order, which unsuspecting
userspace is not ready to handle
* tag 'pinctrl-v6.6-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
Revert "pinctrl: avoid unsafe code pattern in find_pinctrl()"
pinctrl: qcom: lpass-lpi: fix concurrent register updates
with devices not supporting it. There was two bug reports about
this. Aside, 3 drivers (pl353, arasan and marvell) could sometimes hide
page program failures due to their their own program page helper not
being fully compliant with the specification (many drivers use the
default helpers shared by the core). Adding a missing check prevents
these situation. Finally, the Qualcomm driver had a broken error path.
In the SPI-NAND subsystem one Micron device used a wrong bitmak
reporting possibly corrupted ECC status.
Finally, the physmap-core got stripped from its map_rom fallback by
mistake, this feature is added back.
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Merge tag 'mtd/fixes-for-6.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux
Pull MTD fixes from Miquel Raynal:
"In the raw NAND subsystem, the major fix prevents using cached reads
with devices not supporting it. There was two bug reports about this.
Apart from that, three drivers (pl353, arasan and marvell) could
sometimes hide page program failures due to their their own program
page helper not being fully compliant with the specification (many
drivers use the default helpers shared by the core). Adding a missing
check prevents these situation.
Finally, the Qualcomm driver had a broken error path.
In the SPI-NAND subsystem one Micron device used a wrong bitmak
reporting possibly corrupted ECC status.
Finally, the physmap-core got stripped from its map_rom fallback by
mistake, this feature is added back"
* tag 'mtd/fixes-for-6.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux:
mtd: rawnand: Ensure the nand chip supports cached reads
mtd: rawnand: qcom: Unmap the right resource upon probe failure
mtd: rawnand: pl353: Ensure program page operations are successful
mtd: rawnand: arasan: Ensure program page operations are successful
mtd: spinand: micron: correct bitmask for ecc status
mtd: physmap-core: Restore map_rom fallback
mtd: rawnand: marvell: Ensure program page operations are successful
- Capture correct oemid-bits for eMMC cards
- Fix error propagation for some ioctl commands
- Hold retuning if SDIO is in 1-bit mode
MMC host:
- mtk-sd: Use readl_poll_timeout_atomic to not "schedule while atomic"
- sdhci-msm: Correct minimum number of clocks
- sdhci-pci-gli: Fix LPM negotiation so x86/S0ix SoCs can suspend
- sdhci-sprd: Fix error code in sdhci_sprd_tuning()
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Merge tag 'mmc-v6.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC fixes from Ulf Hansson:
"MMC core:
- Capture correct oemid-bits for eMMC cards
- Fix error propagation for some ioctl commands
- Hold retuning if SDIO is in 1-bit mode
MMC host:
- mtk-sd: Use readl_poll_timeout_atomic to not "schedule while atomic"
- sdhci-msm: Correct minimum number of clocks
- sdhci-pci-gli: Fix LPM negotiation so x86/S0ix SoCs can suspend
- sdhci-sprd: Fix error code in sdhci_sprd_tuning()"
* tag 'mmc-v6.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
mmc: core: Capture correct oemid-bits for eMMC cards
mmc: mtk-sd: Use readl_poll_timeout_atomic in msdc_reset_hw
mmc: core: Fix error propagation for some ioctl commands
mmc: sdhci-sprd: Fix error code in sdhci_sprd_tuning()
mmc: sdhci-pci-gli: fix LPM negotiation so x86/S0ix SoCs can suspend
mmc: core: sdio: hold retuning if sdio in 1-bit mode
dt-bindings: mmc: sdhci-msm: correct minimum number of clocks
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Merge tag 'block-6.6-2023-10-20' of git://git.kernel.dk/linux
Pull block fixes from Jens Axboe:
"A fix for a regression with sed-opal and saved keys, and outside of
that an NVMe pull request fixing a few minor issues on that front"
* tag 'block-6.6-2023-10-20' of git://git.kernel.dk/linux:
nvme-pci: add BOGUS_NID for Intel 0a54 device
nvmet-auth: complete a request only after freeing the dhchap pointers
nvme: sanitize metadata bounce buffer for reads
block: Fix regression in sed-opal for a saved key.
nvme-auth: use chap->s2 to indicate bidirectional authentication
nvmet-tcp: Fix a possible UAF in queue intialization setup
nvme-rdma: do not try to stop unallocated queues
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Merge tag 'io_uring-6.6-2023-10-20' of git://git.kernel.dk/linux
Pull io_uring fix from Jens Axboe:
"Just a single fix for a bug report that came in, fixing a case where
failure to init a ring with IORING_SETUP_NO_MMAP can trigger a NULL
pointer dereference"
* tag 'io_uring-6.6-2023-10-20' of git://git.kernel.dk/linux:
io_uring: fix crash with IORING_SETUP_NO_MMAP and invalid SQ ring address
Still higher volume than wished, but all are driver-specific small
fixes and look safe for this late RC. The majority of changes are
for ASoC, especially for wcd938x driver and Cirrus codec drivers,
while there are other random fixes including usual HD-audio quirks.
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Merge tag 'sound-6.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Still higher volume than wished, but all are driver-specific small
fixes and look safe for this late RC.
The majority of changes are for ASoC, especially for wcd938x driver
and Cirrus codec drivers, while there are other random fixes including
usual HD-audio quirks"
* tag 'sound-6.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (22 commits)
ASoC: da7219: Correct the process of setting up Gnd switch in AAD
ALSA: hda/realtek - Fixed ASUS platform headset Mic issue
ALSA: hda/realtek: Add quirk for ASUS ROG GU603ZV
ALSA: hda/relatek: Enable Mute LED on HP Laptop 15s-fq5xxx
ASoC: dwc: Fix non-DT instantiation
ASoC: codecs: tas2780: Fix log of failed reset via I2C.
ASoC: rt5650: fix the wrong result of key button
ASoC: cs42l42: Fix missing include of gpio/consumer.h
ASoC: cs42l43: Update values for bias sense
ASoC: dt-bindings: cirrus,cs42l43: Update values for bias sense
ASoC: cs35l56: ASP1 DOUT must default to Hi-Z when not transmitting
ASoC: pxa: fix a memory leak in probe()
ASoC: cs35l56: Fix illegal use of init_completion()
ASoC: codecs: wcd938x-sdw: fix runtime PM imbalance on probe errors
ASoC: codecs: wcd938x-sdw: fix use after free on driver unbind
ASoC: codecs: wcd938x: fix runtime PM imbalance on remove
ASoC: codecs: wcd938x: fix regulator leaks on probe errors
ASoC: codecs: wcd938x: fix resource leaks on bind errors
ASoC: codecs: wcd938x: fix unbind tear down order
ASoC: codecs: wcd938x: drop bogus bind error handling
...
amdgpu:
- Fix possible NULL pointer dereference
- Avoid possible BUG_ON in GPUVM updates
- Disable AMD_CTX_PRIORITY_UNSET
i915:
- Fix display issue that was blocking S0ix
- Retry gtt fault when out of fence registers
bridge:
- ti-sn65dsi86: Fix device lifetime
edid:
- Add quirk for BenQ GW2765
ivpu:
- Extend address range for MMU mmap
nouveau:
- DP-connector fixes
- Documentation fixes
panel:
- Move AUX B116XW03 into panel-simple
scheduler:
- Eliminate DRM_SCHED_PRIORITY_UNSET
ttm:
- Fix possible NULL-ptr deref in cleanup
mediatek:
- Correctly free sg_table in gem prime vmap
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Merge tag 'drm-fixes-2023-10-20' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"Regular fixes for the week, amdgpu, i915, nouveau, with some other
scattered around, nothing major.
amdgpu:
- Fix possible NULL pointer dereference
- Avoid possible BUG_ON in GPUVM updates
- Disable AMD_CTX_PRIORITY_UNSET
i915:
- Fix display issue that was blocking S0ix
- Retry gtt fault when out of fence registers
bridge:
- ti-sn65dsi86: Fix device lifetime
edid:
- Add quirk for BenQ GW2765
ivpu:
- Extend address range for MMU mmap
nouveau:
- DP-connector fixes
- Documentation fixes
panel:
- Move AUX B116XW03 into panel-simple
scheduler:
- Eliminate DRM_SCHED_PRIORITY_UNSET
ttm:
- Fix possible NULL-ptr deref in cleanup
mediatek:
- Correctly free sg_table in gem prime vmap"
* tag 'drm-fixes-2023-10-20' of git://anongit.freedesktop.org/drm/drm:
drm/amdgpu: Reserve fences for VM update
drm/amdgpu: Fix possible null pointer dereference
accel/ivpu: Extend address range for MMU mmap
Revert "accel/ivpu: Use cached buffers for FW loading"
accel/ivpu: Don't enter d0i3 during FLR
drm/i915: Retry gtt fault when out of fence registers
drm/i915/cx0: Only clear/set the Pipe Reset bit of the PHY Lanes Owned
gpu/drm: Eliminate DRM_SCHED_PRIORITY_UNSET
drm/amdgpu: Unset context priority is now invalid
drm/mediatek: Correctly free sg_table in gem prime vmap
drm/edid: add 8 bpc quirk to the BenQ GW2765
drm/ttm: Reorder sys manager cleanup step
drm/nouveau/disp: fix DP capable DSM connectors
drm/nouveau: exec: fix ioctl kernel-doc warning
drm/panel: Move AUX B116XW03 out of panel-edp back to panel-simple
drm/bridge: ti-sn65dsi86: Associate DSI device lifetime with auxiliary device
Michael reported soft lockups on a system that has unaccepted memory.
This occurs when a user attempts to allocate and accept memory on
multiple CPUs simultaneously.
The root cause of the issue is that memory acceptance is serialized with
a spinlock, allowing only one CPU to accept memory at a time. The other
CPUs spin and wait for their turn, leading to starvation and soft lockup
reports.
To address this, the code has been modified to release the spinlock
while accepting memory. This allows for parallel memory acceptance on
multiple CPUs.
A newly introduced "accepting_list" keeps track of which memory is
currently being accepted. This is necessary to prevent parallel
acceptance of the same memory block. If a collision occurs, the lock is
released and the process is retried.
Such collisions should rarely occur. The main path for memory acceptance
is the page allocator, which accepts memory in MAX_ORDER chunks. As long
as MAX_ORDER is equal to or larger than the unit_size, collisions will
never occur because the caller fully owns the memory block being
accepted.
Aside from the page allocator, only memblock and deferered_free_range()
accept memory, but this only happens during boot.
The code has been tested with unit_size == 128MiB to trigger collisions
and validate the retry codepath.
Fixes: 2053bc57f3 ("efi: Add unaccepted memory support")
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Reported-by: Michael Roth <michael.roth@amd.com
Reviewed-by: Nikolay Borisov <nik.borisov@suse.com>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Tested-by: Michael Roth <michael.roth@amd.com>
[ardb: drop unnecessary cpu_relax() call]
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
If name_show() is non unique, this test will try to install a kprobe on this
function which should fail returning EADDRNOTAVAIL.
On kernel where name_show() is not unique, this test is skipped.
Link: https://lore.kernel.org/all/20231020104250.9537-3-flaniel@linux.microsoft.com/
Cc: stable@vger.kernel.org
Signed-off-by: Francis Laniel <flaniel@linux.microsoft.com>
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
When a kprobe is attached to a function that's name is not unique (is
static and shares the name with other functions in the kernel), the
kprobe is attached to the first function it finds. This is a bug as the
function that it is attaching to is not necessarily the one that the
user wants to attach to.
Instead of blindly picking a function to attach to what is ambiguous,
error with EADDRNOTAVAIL to let the user know that this function is not
unique, and that the user must use another unique function with an
address offset to get to the function they want to attach to.
Link: https://lore.kernel.org/all/20231020104250.9537-2-flaniel@linux.microsoft.com/
Cc: stable@vger.kernel.org
Fixes: 413d37d1eb ("tracing: Add kprobe-based event tracer")
Suggested-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Francis Laniel <flaniel@linux.microsoft.com>
Link: https://lore.kernel.org/lkml/20230819101105.b0c104ae4494a7d1f2eea742@kernel.org/
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Here are some new modem device ids, including an entry needed for Sierra
EM9191 which stopped working with recent firmware.
All have been in linux-next with no reported issues.
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Merge tag 'usb-serial-6.6-rc7' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus
Johan writes:
USB-serial device ids for 6.6-rc7
Here are some new modem device ids, including an entry needed for Sierra
EM9191 which stopped working with recent firmware.
All have been in linux-next with no reported issues.
* tag 'usb-serial-6.6-rc7' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial:
USB: serial: option: add Fibocom to DELL custom modem FM101R-GL
USB: serial: option: add entry for Sierra EM9191 with new firmware
USB: serial: option: add Telit LE910C4-WWX 0x1035 composition
- Retry gtt fault when out of fence registers (Ville)
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Merge tag 'drm-intel-fixes-2023-10-19' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
- Fix display issue that was blocking S0ix (Khaled)
- Retry gtt fault when out of fence registers (Ville)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/ZTFXbo6M5bWp/hTU@intel.com
When removing the BPF event for perf a feature test that checks if the
llvm devel files are availabe was removed but that is also used by
bpftool.
bpftool uses it to decide what kind of disassembly it will use: llvm or
binutils based.
Removing the tools/build/feature/test-llvm.cpp file made bpftool to
always fallback to binutils disassembly, even with the llvm devel files
installed, fix it by restoring just that small test-llvm.cpp test file.
Fixes: 56b11a2126 ("perf bpf: Remove support for embedding clang for compiling BPF events (-e foo.c)")
Reported-by: Manu Bretelle <chantr4@gmail.com>
Reviewed-by: Ian Rogers <irogers@google.com>
Reviewed-by: Manu Bretelle <chantr4@gmail.com>
Acked-by: Quentin Monnet <quentin@isovalent.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Andrii Nakryiko <andrii@kernel.org>
Cc: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Carsten Haitzler <carsten.haitzler@arm.com>
Cc: Eduard Zingerman <eddyz87@gmail.com>
Cc: Fangrui Song <maskray@google.com>
Cc: He Kuang <hekuang@huawei.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Madhavan Srinivasan <maddy@linux.ibm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ravi Bangoria <ravi.bangoria@amd.com>
Cc: Rob Herring <robh@kernel.org>
Cc: Tiezhu Yang <yangtiezhu@loongson.cn>
Cc: Tom Rix <trix@redhat.com>
Cc: Wang Nan <wangnan0@huawei.com>
Cc: Wang ShaoBo <bobo.shaobowang@huawei.com>
Cc: Yang Jihong <yangjihong1@huawei.com>
Cc: Yonghong Song <yhs@fb.com>
Cc: YueHaibing <yuehaibing@huawei.com>
Link: https://lore.kernel.org/lkml/ZTGa0Ukt7QyxWcVy@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
the guest kernel gets to emulate certain instructions in SEV-{ES,SNP}
guests by:
- disabling emulation of MMIO instructions when coming from user mode
- checking the IO permission bitmap before emulating IO instructions and
verifying the memory operands of INS/OUTS insns.
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Merge tag 'sev_fixes_for_v6.6' of //git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Borislav Petkov:
"Take care of a race between when the #VC exception is raised and when
the guest kernel gets to emulate certain instructions in SEV-{ES,SNP}
guests by:
- disabling emulation of MMIO instructions when coming from user mode
- checking the IO permission bitmap before emulating IO instructions
and verifying the memory operands of INS/OUTS insns"
* tag 'sev_fixes_for_v6.6' of //git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/sev: Check for user-space IOIO pointing to kernel space
x86/sev: Check IOBM for IOIO exceptions from user-space
x86/sev: Disable MMIO emulation from user mode
In amdgpu_dma_buf_move_notify reserve fences for the page table updates
in amdgpu_vm_clear_freed and amdgpu_vm_handle_moved. This fixes a BUG_ON
in dma_resv_add_fence when using SDMA for page table updates.
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
abo->tbo.resource may be NULL in amdgpu_vm_bo_update.
Fixes: 1802537820 ("drm/ttm: stop allocating dummy resources during BO creation")
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Feels like an up-tick in regression fixes, mostly for older releases.
The hfsc fix, tcp_disconnect() and Intel WWAN fixes stand out as fairly
clear-cut user reported regressions. The mlx5 DMA bug was causing strife
for 390x folks. The fixes themselves are not particularly scary, tho.
No open investigations / outstanding reports at the time of writing.
Current release - regressions:
- eth: mlx5: perform DMA operations in the right locations,
make devices usable on s390x, again
- sched: sch_hfsc: upgrade 'rt' to 'sc' when it becomes a inner curve,
previous fix of rejecting invalid config broke some scripts
- rfkill: reduce data->mtx scope in rfkill_fop_open, avoid deadlock
- revert "ethtool: Fix mod state of verbose no_mask bitset",
needs more work
Current release - new code bugs:
- tcp: fix listen() warning with v4-mapped-v6 address
Previous releases - regressions:
- tcp: allow tcp_disconnect() again when threads are waiting,
it was denied to plug a constant source of bugs but turns out
.NET depends on it
- eth: mlx5: fix double-free if buffer refill fails under OOM
- revert "net: wwan: iosm: enable runtime pm support for 7560",
it's causing regressions and the WWAN team at Intel disappeared
- tcp: tsq: relax tcp_small_queue_check() when rtx queue contains
a single skb, fix single-stream perf regression on some devices
Previous releases - always broken:
- Bluetooth:
- fix issues in legacy BR/EDR PIN code pairing
- correctly bounds check and pad HCI_MON_NEW_INDEX name
- netfilter:
- more fixes / follow ups for the large "commit protocol" rework,
which went in as a fix to 6.5
- fix null-derefs on netlink attrs which user may not pass in
- tcp: fix excessive TLP and RACK timeouts from HZ rounding
(bless Debian for keeping HZ=250 alive)
- net: more strict VIRTIO_NET_HDR_GSO_UDP_L4 validation, prevent
letting frankenstein UDP super-frames from getting into the stack
- net: fix interface altnames when ifc moves to a new namespace
- eth: qed: fix the size of the RX buffers
- mptcp: avoid sending RST when closing the initial subflow
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from bluetooth, netfilter, WiFi.
Feels like an up-tick in regression fixes, mostly for older releases.
The hfsc fix, tcp_disconnect() and Intel WWAN fixes stand out as
fairly clear-cut user reported regressions. The mlx5 DMA bug was
causing strife for 390x folks. The fixes themselves are not
particularly scary, tho. No open investigations / outstanding reports
at the time of writing.
Current release - regressions:
- eth: mlx5: perform DMA operations in the right locations, make
devices usable on s390x, again
- sched: sch_hfsc: upgrade 'rt' to 'sc' when it becomes a inner
curve, previous fix of rejecting invalid config broke some scripts
- rfkill: reduce data->mtx scope in rfkill_fop_open, avoid deadlock
- revert "ethtool: Fix mod state of verbose no_mask bitset", needs
more work
Current release - new code bugs:
- tcp: fix listen() warning with v4-mapped-v6 address
Previous releases - regressions:
- tcp: allow tcp_disconnect() again when threads are waiting, it was
denied to plug a constant source of bugs but turns out .NET depends
on it
- eth: mlx5: fix double-free if buffer refill fails under OOM
- revert "net: wwan: iosm: enable runtime pm support for 7560", it's
causing regressions and the WWAN team at Intel disappeared
- tcp: tsq: relax tcp_small_queue_check() when rtx queue contains a
single skb, fix single-stream perf regression on some devices
Previous releases - always broken:
- Bluetooth:
- fix issues in legacy BR/EDR PIN code pairing
- correctly bounds check and pad HCI_MON_NEW_INDEX name
- netfilter:
- more fixes / follow ups for the large "commit protocol" rework,
which went in as a fix to 6.5
- fix null-derefs on netlink attrs which user may not pass in
- tcp: fix excessive TLP and RACK timeouts from HZ rounding (bless
Debian for keeping HZ=250 alive)
- net: more strict VIRTIO_NET_HDR_GSO_UDP_L4 validation, prevent
letting frankenstein UDP super-frames from getting into the stack
- net: fix interface altnames when ifc moves to a new namespace
- eth: qed: fix the size of the RX buffers
- mptcp: avoid sending RST when closing the initial subflow"
* tag 'net-6.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (94 commits)
Revert "ethtool: Fix mod state of verbose no_mask bitset"
selftests: mptcp: join: no RST when rm subflow/addr
mptcp: avoid sending RST when closing the initial subflow
mptcp: more conservative check for zero probes
tcp: check mptcp-level constraints for backlog coalescing
selftests: mptcp: join: correctly check for no RST
net: ti: icssg-prueth: Fix r30 CMDs bitmasks
selftests: net: add very basic test for netdev names and namespaces
net: move altnames together with the netdevice
net: avoid UAF on deleted altname
net: check for altname conflicts when changing netdev's netns
net: fix ifname in netlink ntf during netns move
net: ethernet: ti: Fix mixed module-builtin object
net: phy: bcm7xxx: Add missing 16nm EPHY statistics
ipv4: fib: annotate races around nh->nh_saddr_genid and nh->nh_saddr
tcp_bpf: properly release resources on error paths
net/sched: sch_hfsc: upgrade 'rt' to 'sc' when it becomes a inner curve
net: mdio-mux: fix C45 access returning -EIO after API change
tcp: tsq: relax tcp_small_queue_check() when rtx queue contains a single skb
octeon_ep: update BQL sent bytes before ringing doorbell
...
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Merge tag 'loongarch-fixes-6.6-3' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
Pull LoongArch fixes from Huacai ChenL
"Fix 4-level pagetable building, disable WUC for pgprot_writecombine()
like ioremap_wc(), use correct annotation for exception handlers, and
a trivial cleanup"
* tag 'loongarch-fixes-6.6-3' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson:
LoongArch: Disable WUC for pgprot_writecombine() like ioremap_wc()
LoongArch: Replace kmap_atomic() with kmap_local_page() in copy_user_highpage()
LoongArch: Export symbol invalid_pud_table for modules building
LoongArch: Use SYM_CODE_* to annotate exception handlers
