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Aneesh reports that his kernel fails to boot in nVHE mode with
KVM's protected mode enabled. Further investigation by Mostafa
reveals that this fails because CONFIG_JUMP_LABEL=n and that
we have static keys shared between EL1 and EL2.
While this can be worked around, it is obvious that we have long
relied on having CONFIG_JUMP_LABEL enabled at all times, as all
supported compilers now have 'asm goto' (which is the basic block
for jump labels).
Let's simplify our lives once and for all by mandating jump labels.
It's not like anyone else is testing anything without them, and
we already rely on them for other things (kfence, xfs, preempt).
Link: https://lore.kernel.org/r/yq5ah60pkq03.fsf@kernel.org
Reported-by: Aneesh Kumar K.V <aneesh.kumar@kernel.org>
Reported-by: Mostafa Saleh <smostafa@google.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Cc: Will Deacon <will@kernel.org>
Cc: Catalin marinas <catalin.marinas@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Ard Biesheuvel <ardb@kernel.org>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Link: https://lore.kernel.org/r/20250613141936.2219895-1-maz@kernel.org
Signed-off-by: Will Deacon <will@kernel.org>
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KASAN reports invalid accesses during arch_stack_walk() for EFI runtime
services due to vmalloc tagging[1]. The EFI runtime stack must be allocated
with KASAN tags reset to avoid false positives.
This patch uses arch_alloc_vmap_stack() instead of __vmalloc_node() for
EFI stack allocation, which internally calls kasan_reset_tag()
The changes ensure EFI runtime stacks are properly sanitized for KASAN
while maintaining functional consistency.
Link: https://lore.kernel.org/all/aFVVEgD0236LdrL6@gmail.com/ [1]
Suggested-by: Andrey Konovalov <andreyknvl@gmail.com>
Suggested-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Breno Leitao <leitao@debian.org>
Link: https://lore.kernel.org/r/20250704-arm_kasan-v2-1-32ebb4fd7607@debian.org
Signed-off-by: Will Deacon <will@kernel.org>
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CONFIG_RFS_ACCEL
I received a kernel-test-bot report[1] that shows the
[-Wunused-but-set-variable] warning. Since the previous commit I made, as
the 'Fixes' tag shows, gives users an option to turn on and off the
CONFIG_RFS_ACCEL, the issue then can be discovered and reproduced with
GCC specifically.
Like Simon and Jakub suggested, use fewer #ifdefs which leads to fewer
bugs.
[1]
All warnings (new ones prefixed by >>):
drivers/net/ethernet/broadcom/bnxt/bnxt.c: In function 'bnxt_request_irq':
>> drivers/net/ethernet/broadcom/bnxt/bnxt.c:10703:9: warning: variable 'j' set but not used [-Wunused-but-set-variable]
10703 | int i, j, rc = 0;
| ^
Fixes: 9b6a30febddf ("net: allow rps/rfs related configs to be switched")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202506282102.x1tXt0qz-lkp@intel.com/
Signed-off-by: Jason Xing <kernelxing@tencent.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In our testing with 6.12 based kernel on a big.LITTLE system, we were
seeing instances of RT tasks being blocked from running on the LITTLE
cpus for multiple seconds of time, apparently by the dl_server. This
far exceeds the default configured 50ms per second runtime.
This is due to the fair dl_server runtime calculation being scaled
for frequency & capacity of the cpu.
Consider the following case under a Big.LITTLE architecture:
Assume the runtime is: 50,000,000 ns, and Frequency/capacity
scale-invariance defined as below:
Frequency scale-invariance: 100
Capacity scale-invariance: 50
First by Frequency scale-invariance,
the runtime is scaled to 50,000,000 * 100 >> 10 = 4,882,812
Then by capacity scale-invariance,
it is further scaled to 4,882,812 * 50 >> 10 = 238,418.
So it will scaled to 238,418 ns.
This smaller "accounted runtime" value is what ends up being
subtracted against the fair-server's runtime for the current period.
Thus after 50ms of real time, we've only accounted ~238us against the
fair servers runtime. This 209:1 ratio in this example means that on
the smaller cpu the fair server is allowed to continue running,
blocking RT tasks, for over 10 seconds before it exhausts its supposed
50ms of runtime. And on other hardware configurations it can be even
worse.
For the fair deadline_server, to prevent realtime tasks from being
unexpectedly delayed, we really do want to use fixed time, and not
scaled time for smaller capacity/frequency cpus. So remove the scaling
from the fair server's accounting to fix this.
Fixes: a110a81c52a9 ("sched/deadline: Deferrable dl server")
Suggested-by: Peter Zijlstra <peterz@infradead.org>
Suggested-by: John Stultz <jstultz@google.com>
Signed-off-by: kuyo chang <kuyo.chang@mediatek.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Juri Lelli <juri.lelli@redhat.com>
Acked-by: John Stultz <jstultz@google.com>
Tested-by: John Stultz <jstultz@google.com>
Link: https://lore.kernel.org/r/20250702021440.2594736-1-kuyo.chang@mediatek.com
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Commit <4f1492efb495> ("iommu/vt-d: Revert ATS timing change to fix boot
failure") placed the enabling of ATS in the probe_finalize callback. This
occurs after the default domain attachment, which is when the ATS cache
tag is assigned. Consequently, the device TLB cache tag is missed when the
domain is attached, leading to the device TLB not being invalidated in the
iommu_unmap paths.
Fix this by assigning the CACHE_TAG_DEVTLB cache tag when ATS is enabled.
Fixes: 4f1492efb495 ("iommu/vt-d: Revert ATS timing change to fix boot failure")
Cc: stable@vger.kernel.org
Suggested-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Tested-by: Shuicheng Lin <shuicheng.lin@intel.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Link: https://lore.kernel.org/r/20250625050135.3129955-1-baolu.lu@linux.intel.com
Link: https://lore.kernel.org/r/20250628100351.3198955-2-baolu.lu@linux.intel.com
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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The GPIO expander is connected via I2C, thus the can_sleep flag has to
be set to true. This fixes spurious "scheduling while atomic" bugs
in the kernel ringbuffer.
Signed-off-by: David Bauer <mail@david-bauer.net>
Signed-off-by: Milan Krstic <milan.krstic@gmail.com>
Link: https://lore.kernel.org/20250703143039.5809-1-milan.krstic@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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commit 74abd086d2ee ("gpiolib: sanitize the return value of
gpio_chip::get_multiple()") altered the value returned by
gc->get_multiple() in case it is positive (> 0), but failed to return
for other cases (<= 0).
This may result in the "if (gc->get)" block being executed and thus
negates the performance gain that is normally obtained by using
gc->get_multiple().
Fix by returning the result of gc->get_multiple() if it is <= 0.
Also move the "ret" variable to the scope where it is used, which as an
added bonus fixes an indentation error introduced by the aforementioned
commit.
Fixes: 74abd086d2ee ("gpiolib: sanitize the return value of gpio_chip::get_multiple()")
Cc: stable@vger.kernel.org
Signed-off-by: Hugo Villeneuve <hvilleneuve@dimonoff.com>
Link: https://lore.kernel.org/r/20250703191829.2952986-1-hugo@hugovil.com
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
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Use pr_warn() instead of dev_warn() when 'pdev' is NULL to avoid a
potential NULL pointer dereference.
Cc: stable@vger.kernel.org
Fixes: 20869176d7a7 ("ALSA: ad1816a: Use standard print API")
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Link: https://patch.msgid.link/20250703200616.304309-2-thorsten.blum@linux.dev
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Cross-merge networking fixes after downstream PR (net-6.16-rc5).
No conflicts.
No adjacent changes.
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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The cs40l50_upload_owt() function allocates memory via kmalloc()
without checking for allocation failure, which could lead to a
NULL pointer dereference.
Return -ENOMEM in case allocation fails.
Signed-off-by: Yunshui Jiang <jiangyunshui@kylinos.cn>
Fixes: c38fe1bb5d21 ("Input: cs40l50 - Add support for the CS40L50 haptic driver")
Link: https://lore.kernel.org/r/20250704024010.2353841-1-jiangyunshui@kylinos.cn
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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There's one case where ->d_compare() can be called for an in-lookup
dentry; usually that's nothing special from ->d_compare() point of
view, but... proc_sys_compare() is weird.
The thing is, /proc/sys subdirectories can look differently for
different processes. Up to and including having the same name
resolve to different dentries - all of them hashed.
The way it's done is ->d_compare() refusing to admit a match unless
this dentry is supposed to be visible to this caller. The information
needed to discriminate between them is stored in inode; it is set
during proc_sys_lookup() and until it's done d_splice_alias() we really
can't tell who should that dentry be visible for.
Normally there's no negative dentries in /proc/sys; we can run into
a dying dentry in RCU dcache lookup, but those can be safely rejected.
However, ->d_compare() is also called for in-lookup dentries, before
they get positive - or hashed, for that matter. In case of match
we will wait until dentry leaves in-lookup state and repeat ->d_compare()
afterwards. In other words, the right behaviour is to treat the
name match as sufficient for in-lookup dentries; if dentry is not
for us, we'll see that when we recheck once proc_sys_lookup() is
done with it.
While we are at it, fix the misspelled READ_ONCE and WRITE_ONCE there.
Fixes: d9171b934526 ("parallel lookups machinery, part 4 (and last)")
Reported-by: NeilBrown <neilb@brown.name>
Reviewed-by: Christian Brauner <brauner@kernel.org>
Reviewed-by: NeilBrown <neil@brown.name>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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https://gitlab.freedesktop.org/drm/xe/kernel into drm-fixes
Driver Changes:
- Fix chunking the PTE updates and overflowing the maximum number of
dwords with with MI_STORE_DATA_IMM (Jia Yao)
- Move WA BB to the LRC BO to mitigate hangs on context switch (Matthew
Brost)
- Fix frequency/flush WAs for BMG (Vinay / Lucas)
- Fix kconfig prompt title and description (Lucas)
- Do not require kunit (Harry Austen / Lucas)
- Extend 14018094691 WA to BMG (Daniele)
- Fix wedging the device on signal (Matthew Brost)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://lore.kernel.org/r/o5662wz6nrlf6xt5sjgxq5oe6qoujefzywuwblm3m626hreifv@foqayqydd6ig
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We've seen customers having shares mounted in paths like /??/C:/ or
/??/UNC/foo.example.com/share in order to get their native SMB
symlinks successfully followed from different mounts.
After commit 12b466eb52d9 ("cifs: Fix creating and resolving absolute NT-style symlinks"),
the client would then convert absolute paths from "/??/C:/" to "/mnt/c/"
by default. The absolute paths would vary depending on the value of
symlinkroot= mount option.
Fix this by restoring old behavior of not trying to convert absolute
paths by default. Only do this if symlinkroot= was _explicitly_ set.
Before patch:
$ mount.cifs //w22-fs0/test2 /mnt/1 -o vers=3.1.1,username=xxx,password=yyy
$ ls -l /mnt/1/symlink2
lrwxr-xr-x 1 root root 15 Jun 20 14:22 /mnt/1/symlink2 -> /mnt/c/testfile
$ mkdir -p /??/C:; echo foo > //??/C:/testfile
$ cat /mnt/1/symlink2
cat: /mnt/1/symlink2: No such file or directory
After patch:
$ mount.cifs //w22-fs0/test2 /mnt/1 -o vers=3.1.1,username=xxx,password=yyy
$ ls -l /mnt/1/symlink2
lrwxr-xr-x 1 root root 15 Jun 20 14:22 /mnt/1/symlink2 -> '/??/C:/testfile'
$ mkdir -p /??/C:; echo foo > //??/C:/testfile
$ cat /mnt/1/symlink2
foo
Cc: linux-cifs@vger.kernel.org
Reported-by: Pierguido Lambri <plambri@redhat.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Stefan Metzmacher <metze@samba.org>
Fixes: 12b466eb52d9 ("cifs: Fix creating and resolving absolute NT-style symlinks")
Signed-off-by: Paulo Alcantara (Red Hat) <pc@manguebit.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
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timing
When the SMB server reboots and the client immediately accesses the mount
point, a race condition can occur that causes operations to fail with
"Host is down" error.
Reproduction steps:
# Mount SMB share
mount -t cifs //192.168.245.109/TEST /mnt/ -o xxxx
ls /mnt
# Reboot server
ssh root@192.168.245.109 reboot
ssh root@192.168.245.109 /path/to/cifs_server_setup.sh
ssh root@192.168.245.109 systemctl stop firewalld
# Immediate access fails
ls /mnt
ls: cannot access '/mnt': Host is down
# But works if there is a delay
The issue is caused by a race condition between negotiate and reconnect.
The 20-second negotiate timeout mechanism can interfere with the normal
recovery process when both are triggered simultaneously.
ls cifsd
---------------------------------------------------
cifs_getattr
cifs_revalidate_dentry
cifs_get_inode_info
cifs_get_fattr
smb2_query_path_info
smb2_compound_op
SMB2_open_init
smb2_reconnect
cifs_negotiate_protocol
smb2_negotiate
cifs_send_recv
smb_send_rqst
wait_for_response
cifs_demultiplex_thread
cifs_read_from_socket
cifs_readv_from_socket
server_unresponsive
cifs_reconnect
__cifs_reconnect
cifs_abort_connection
mid->mid_state = MID_RETRY_NEEDED
cifs_wake_up_task
cifs_sync_mid_result
// case MID_RETRY_NEEDED
rc = -EAGAIN;
// In smb2_negotiate()
rc = -EHOSTDOWN;
The server_unresponsive() timeout triggers cifs_reconnect(), which aborts
ongoing mid requests and causes the ls command to receive -EAGAIN, leading
to -EHOSTDOWN.
Fix this by introducing a dedicated `neg_start` field to
precisely tracks when the negotiate process begins. The timeout check
now uses this accurate timestamp instead of `lstrp`, ensuring that:
1. Timeout is only triggered after negotiate has actually run for 20s
2. The mechanism doesn't interfere with concurrent recovery processes
3. Uninitialized timestamps (value 0) don't trigger false timeouts
Fixes: 7ccc1465465d ("smb: client: fix hang in wait_for_response() for negproto")
Signed-off-by: Wang Zhaolong <wangzhaolong@huaweicloud.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos into drm-fixes
- Fixed raw pointer leakage and unsafe behavior in printk()
. Switch from %pK to %p for pointer formatting, as %p is now safer
and prevents issues like raw pointer leakage and acquiring sleeping
locks in atomic contexts.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Inki Dae <inki.dae@samsung.com>
Link: https://lore.kernel.org/r/20250629091742.29956-1-inki.dae@samsung.com
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git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos into drm-fixes
Fixups
- Fixed raw pointer leakage and unsafe behavior in printk()
. Switch from %pK to %p for pointer formatting, as %p is now safer
and prevents issues like raw pointer leakage and acquiring sleeping
locks in atomic contexts.
- Fixed kernel panic during boot
. A NULL pointer dereference issue occasionally occurred
when the vblank interrupt handler was called before
the DRM driver was fully initialized during boot.
So this patch fixes the issue by adding a check in the interrupt handler
to ensure the DRM driver is properly initialized.
- Fixed a lockup issue on Samsung Peach-Pit/Pi Chromebooks
. The issue occurred after commit c9b1150a68d9 changed
the call order of CRTC enable/disable and bridge pre_enable/post_disable
methods, causing fimd_dp_clock_enable() to be called
before the FIMD device was activated. To fix this,
runtime PM guards were added to fimd_dp_clock_enable()
to ensure proper operation even when CRTC is not enabled.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Inki Dae <inki.dae@samsung.com>
Link: https://lore.kernel.org/r/20250629083554.28628-1-inki.dae@samsung.com
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https://gitlab.freedesktop.org/drm/i915/kernel into drm-fixes
- Make mei interrupt top half irq disabled to fix RT builds
- Fix timeline left held on VMA alloc error
- Fix NULL pointer deref in vlv_dphy_param_init()
- Fix selftest mock_request() to avoid NULL deref
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://lore.kernel.org/r/aGYVPAA4KvsZqDFx@jlahtine-mobl
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https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes
drm-misc-fixes for v6.16-rc5:
- Replace simple panel lookup hack with proper fix.
- nullpointer deref in vesadrm fix.
- fix dma_resv_wait_timeout.
- fix error handling in ttm_buffer_object_transfer.
- bridge fixes.
- Fix vmwgfx accidentally allocating encrypted memory.
- Fix race in spsc_queue_push()
- Add refcount on backing GEM objects during fb creation.
- Fix v3d irq's being enabled during gpu reset.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://lore.kernel.org/r/a7461418-08dc-4b7c-b2fa-264155f66d5e@linux.intel.com
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soc-button-array hardcodes a debounce value by means of gpio_keys
which uses pinctrl-amd as a backend to program debounce for a GPIO.
This hardcoded value doesn't match what the firmware intended to be
programmed in _AEI. The hardcoded debounce leads to problems waking
from suspend. There isn't appetite to conditionalize the behavior in
soc-button-array or gpio-keys so clear it when the system suspends to
avoid problems with being able to resume.
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Hans de Goede <hansg@kernel.org>
Fixes: 5c4fa2a6da7fb ("Input: soc_button_array - debounce the buttons")
Link: https://lore.kernel.org/linux-input/mkgtrb5gt7miyg6kvqdlbu4nj3elym6ijudobpdi26gp4xxay5@rsa6ytrjvj2q/
Link: https://lore.kernel.org/linux-input/20250625215813.3477840-1-superm1@kernel.org/
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Hans de Goede <hansg@kernel.org>
Link: https://lore.kernel.org/20250627150155.3311574-1-superm1@kernel.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fixes from David Sterba:
- tree-log fixes:
- fixes of log tracking of directories and subvolumes
- fix iteration and error handling of inode references
during log replay
- fix free space tree rebuild (reported by syzbot)
* tag 'for-6.16-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: use btrfs_record_snapshot_destroy() during rmdir
btrfs: propagate last_unlink_trans earlier when doing a rmdir
btrfs: record new subvolume in parent dir earlier to avoid dir logging races
btrfs: fix inode lookup error handling during log replay
btrfs: fix iteration of extrefs during log replay
btrfs: fix missing error handling when searching for inode refs during log replay
btrfs: fix failure to rebuild free space tree using multiple transactions
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Driver fixes plus core sd.c fix are all small and obvious.
The larger change to hosts.c is less obvious, but required to avoid
data corruption caused by bio splitting"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: ufs: core: Fix spelling of a sysfs attribute name
scsi: core: Enforce unlimited max_segment_size when virt_boundary_mask is set
scsi: RDMA/srp: Don't set a max_segment_size when virt_boundary_mask is set
scsi: sd: Fix VPD page 0xb7 length check
scsi: qla4xxx: Fix missing DMA mapping error in qla4xxx_alloc_pdu()
scsi: qla2xxx: Fix DMA mapping test in qla24xx_get_port_database()
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Commit 88c02b3f79a6 ("s390/sha3: Support sha3 performance enhancements")
added the field s390_sha_ctx::first_message_part and made it be used by
s390_sha_update() (now s390_sha_update_blocks()). At the time,
s390_sha_update() was used by all the s390 SHA-1, SHA-2, and SHA-3
algorithms. However, only the initialization functions for SHA-3 were
updated, leaving SHA-1 and SHA-2 using first_message_part uninitialized.
This could cause e.g. the function code CPACF_KIMD_SHA_512 |
CPACF_KIMD_NIP to be used instead of just CPACF_KIMD_SHA_512. This
apparently was harmless, as the SHA-1 and SHA-2 function codes ignore
CPACF_KIMD_NIP; it is recognized only by the SHA-3 function codes
(https://lore.kernel.org/r/73477fe9-a1dc-4e38-98a6-eba9921e8afa@linux.ibm.com/).
Therefore, this bug was found only when first_message_part was later
converted to a boolean and UBSAN detected its uninitialized use.
Regardless, let's fix this by just initializing to zero.
Note: in 6.16, we need to patch SHA-1, SHA-384, and SHA-512. In 6.15
and earlier, we'll also need to patch SHA-224 and SHA-256, as they
hadn't yet been librarified (which incidentally fixed this bug).
Fixes: 88c02b3f79a6 ("s390/sha3: Support sha3 performance enhancements")
Cc: stable@vger.kernel.org
Reported-by: Ingo Franzki <ifranzki@linux.ibm.com>
Closes: https://lore.kernel.org/r/12740696-595c-4604-873e-aefe8b405fbf@linux.ibm.com
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Link: https://lore.kernel.org/r/20250703172316.7914-1-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@kernel.org>
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The ssid->ssids[] and sreq->ssids[] arrays have MT7925_RNR_SCAN_MAX_BSSIDS
elements so this >= needs to be > to prevent an out of bounds access.
Fixes: 8284815ca161 ("wifi: mt76: mt7925: add RNR scan support for 6GHz")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://patch.msgid.link/aDVT2tPhG_8T0Qla@stanley.mountain
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Restart the MCU and release the patch semaphore before loading the MCU
patch firmware from the host.
This fixes failures upon error recovery in case the semaphore was
previously taken and never released by the host.
This happens from time to time upon triggering a full-chip error
recovery. Under this circumstance, the hardware restart fails and the
radio is rendered inoperational.
Signed-off-by: David Bauer <mail@david-bauer.net>
Link: https://patch.msgid.link/20250402004528.1036715-3-mail@david-bauer.net
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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The default timeout set in mt76_connac2_mcu_fill_message of 20 seconds
leads to excessive stalling in case messages are lost.
Testing showed that a smaller timeout of 5 seconds is sufficient in
normal operation.
Signed-off-by: David Bauer <mail@david-bauer.net>
Link: https://patch.msgid.link/20250402004528.1036715-1-mail@david-bauer.net
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Increase the timeout for MCU_EXT_CMD_EFUSE_BUFFER_MODE command.
Regular retries upon hardware-recovery have been observed. Increasing
the timeout slightly remedies this problem.
Signed-off-by: David Bauer <mail@david-bauer.net>
Link: https://patch.msgid.link/20250402004528.1036715-2-mail@david-bauer.net
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Add `tx_timeout_count` to ethtool statistics to provide visibility into
transmit timeout events, bringing igbvf in line with other Intel
ethernet drivers.
Currently `tx_timeout_count` is incremented in igbvf_watchdog_task() and
igbvf_tx_timeout() but is not exposed to userspace nor used elsewhere in
the driver.
Before:
# ethtool -S ens5 | grep tx
tx_packets: 43
tx_bytes: 4408
tx_restart_queue: 0
After:
# ethtool -S ens5 | grep tx
tx_packets: 41
tx_bytes: 4241
tx_restart_queue: 0
tx_timeout_count: 0
Tested-by: Kohei Enju <enjuk@amazon.com>
Signed-off-by: Kohei Enju <enjuk@amazon.com>
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Tested-by: Rafal Romanowski <rafal.romanowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Remove `int_counter0` and `int_counter1` from struct igbvf_adapter since
they are only incremented in interrupt handlers igbvf_intr_msix_rx() and
igbvf_msix_other(), but never read or used anywhere in the driver.
Note that igbvf_intr_msix_tx() does not have similar counter increments,
suggesting that these were likely overlooked during development.
Eliminate the fields and their unnecessary accesses in interrupt
handlers.
Tested-by: Kohei Enju <enjuk@amazon.com>
Signed-off-by: Kohei Enju <enjuk@amazon.com>
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Correct spelling as flagged by codespell.
Signed-off-by: Simon Horman <horms@kernel.org>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Modifying SRRCTL register can generate MDD event.
Turn MDD off during SRRCTL register write to prevent generating MDD.
Fix RCT in ixgbe_set_rx_drop_en().
Reviewed-by: Marcin Szycik <marcin.szycik@linux.intel.com>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Signed-off-by: Radoslaw Tyl <radoslawx.tyl@intel.com>
Signed-off-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Rafal Romanowski <rafal.romanowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Add Tx Hang detection due to an unhandled MDD Event.
Previously, a malicious VF could disable the entire port causing
TX to hang on the E610 card.
Those events that caused PF to freeze were not detected
as an MDD event and usually required a Tx Hang watchdog timer
to catch the suspension, and perform a physical function reset.
Implement flows in the affected PF driver in such a way to check
the cause of the hang, detect it as an MDD event and log an
entry of the malicious VF that caused the Hang.
The PF blocks the malicious VF, if it continues to be the source
of several MDD events.
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Reviewed-by: Marcin Szycik <marcin.szycik@linux.intel.com>
Signed-off-by: Slawomir Mrozowicz <slawomirx.mrozowicz@intel.com>
Co-developed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Signed-off-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Rafal Romanowski <rafal.romanowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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When an event is detected it is logged and, for the time being, the
queue is immediately re-enabled. This is due to the lack of an API
to the hypervisor so it could deal with it as it chooses.
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Reviewed-by: Jedrzej Jagielski <jedrzej.jagielski@intel.com>
Reviewed-by: Marcin Szycik <marcin.szycik@linux.intel.com>
Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Signed-off-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Rafal Romanowski <rafal.romanowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Add malicious driver detection to ixgbe driver. The supported devices
are E610 and X550.
Handling MDD events is enabled while VFs are created and turned off
when they are disabled. There is no runtime command to enable or
disable MDD independently.
MDD event is logged when malicious VF driver is detected. For example VF
can try to send incorrect Tx descriptor (TSO on, but length field not
correct). It can be reproduced by manipulating the driver, or using
driver with incorrect descriptor values.
Example log:
"Malicious event on VF 0 tx:128 rx:128"
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Reviewed-by: Jedrzej Jagielski <jedrzej.jagielski@intel.com>
Reviewed-by: Marcin Szycik <marcin.szycik@linux.intel.com>
Signed-off-by: Paul Greenwalt <paul.greenwalt@intel.com>
Signed-off-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Rafal Romanowski <rafal.romanowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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New timestamping API was introduced in commit 66f7223039c0 ("net: add
NDOs for configuring hardware timestamping") from kernel v6.6.
It is time to convert the Intel i40e driver to the new API, so that
timestamping configuration can be removed from the ndo_eth_ioctl() path
completely.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Reviewed-by: Milena Olech <milena.olech@intel.com>
Tested-by: Rinitha S <sx.rinitha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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New timestamping API was introduced in commit 66f7223039c0 ("net: add
NDOs for configuring hardware timestamping") from kernel v6.6.
It is time to convert the Intel ixgbe driver to the new API, so that
timestamping configuration can be removed from the ndo_eth_ioctl() path
completely.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Reviewed-by: Milena Olech <milena.olech@intel.com>
Tested-by: Rinitha S <sx.rinitha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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New timestamping API was introduced in commit 66f7223039c0 ("net: add
NDOs for configuring hardware timestamping") from kernel v6.6.
It is time to convert the Intel igb driver to the new API, so that
timestamping configuration can be removed from the ndo_eth_ioctl() path
completely.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Reviewed-by: Milena Olech <milena.olech@intel.com>
Tested-by: Rinitha S <sx.rinitha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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New timestamping API was introduced in commit 66f7223039c0 ("net: add
NDOs for configuring hardware timestamping") from kernel v6.6.
It is time to convert the Intel igc driver to the new API, so that
timestamping configuration can be removed from the ndo_eth_ioctl() path
completely.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Vitaly Lifshits <vitaly.lifshits@intel.com>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Reviewed-by: Milena Olech <milena.olech@intel.com>
Tested-by: Mor Bar-Gabay <morx.bar.gabay@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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New timestamping API was introduced in commit 66f7223039c0 ("net: add
NDOs for configuring hardware timestamping") from kernel v6.6.
It is time to convert the Intel ice driver to the new API, so that
timestamping configuration can be removed from the ndo_eth_ioctl() path
completely.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Acked-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Reviewed-by: Milena Olech <milena.olech@intel.com>
Tested-by: Rinitha S <sx.rinitha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from Bluetooth.
Current release - new code bugs:
- eth:
- txgbe: fix the issue of TX failure
- ngbe: specify IRQ vector when the number of VFs is 7
Previous releases - regressions:
- sched: always pass notifications when child class becomes empty
- ipv4: fix stat increase when udp early demux drops the packet
- bluetooth: prevent unintended pause by checking if advertising is active
- virtio: fix error reporting in virtqueue_resize
- eth:
- virtio-net:
- ensure the received length does not exceed allocated size
- fix the xsk frame's length check
- lan78xx: fix WARN in __netif_napi_del_locked on disconnect
Previous releases - always broken:
- bluetooth: mesh: check instances prior disabling advertising
- eth:
- idpf: convert control queue mutex to a spinlock
- dpaa2: fix xdp_rxq_info leak
- amd-xgbe: align CL37 AN sequence as per databook"
* tag 'net-6.16-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (38 commits)
vsock/vmci: Clear the vmci transport packet properly when initializing it
dt-bindings: net: sophgo,sg2044-dwmac: Drop status from the example
net: ngbe: specify IRQ vector when the number of VFs is 7
net: wangxun: revert the adjustment of the IRQ vector sequence
net: txgbe: request MISC IRQ in ndo_open
virtio_net: Enforce minimum TX ring size for reliability
virtio_net: Cleanup '2+MAX_SKB_FRAGS'
virtio_ring: Fix error reporting in virtqueue_resize
virtio-net: xsk: rx: fix the frame's length check
virtio-net: use the check_mergeable_len helper
virtio-net: remove redundant truesize check with PAGE_SIZE
virtio-net: ensure the received length does not exceed allocated size
net: ipv4: fix stat increase when udp early demux drops the packet
net: libwx: fix the incorrect display of the queue number
amd-xgbe: do not double read link status
net/sched: Always pass notifications when child class becomes empty
nui: Fix dma_mapping_error() check
rose: fix dangling neighbour pointers in rose_rt_device_down()
enic: fix incorrect MTU comparison in enic_change_mtu()
amd-xgbe: align CL37 AN sequence as per databook
...
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Pull xfs fixes from Carlos Maiolino:
- Fix umount hang with unflushable inodes (and add new tracepoint used
for debugging this)
- Fix ABBA deadlock in xfs_reclaim_inode() vs xfs_ifree_cluster()
- Fix dquot buffer pin deadlock
* tag 'xfs-fixes-6.16-rc5' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: add FALLOC_FL_ALLOCATE_RANGE to supported flags mask
xfs: fix unmount hang with unflushable inodes stuck in the AIL
xfs: factor out stale buffer item completion
xfs: rearrange code in xfs_buf_item.c
xfs: add tracepoints for stale pinned inode state debug
xfs: avoid dquot buffer pin deadlock
xfs: catch stale AGF/AGF metadata
xfs: xfs_ifree_cluster vs xfs_iflush_shutdown_abort deadlock
xfs: actually use the xfs_growfs_check_rtgeom tracepoint
xfs: Improve error handling in xfs_mru_cache_create()
xfs: move xfs_submit_zoned_bio a bit
xfs: use xfs_readonly_buftarg in xfs_remount_rw
xfs: remove NULL pointer checks in xfs_mru_cache_insert
xfs: check for shutdown before going to sleep in xfs_select_zone
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Pull NVMe fixes from Christoph:
"- fix incorrect cdw15 value in passthru error logging (Alok Tiwari)
- fix memory leak of bio integrity in nvmet (Dmitry Bogdanov)
- refresh visible attrs after being checked (Eugen Hristev)
- fix suspicious RCU usage warning in the multipath code (Geliang Tang)
- correctly account for namespace head reference counter (Nilay Shroff)"
* tag 'nvme-6.16-2025-07-03' of git://git.infradead.org/nvme:
nvme-multipath: fix suspicious RCU usage warning
nvme-pci: refresh visible attrs after being checked
nvmet: fix memory leak of bio integrity
nvme: correctly account for namespace head reference counter
nvme: Fix incorrect cdw15 value in passthru error logging
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Upon receiving HCI_EVT_LE_BIG_SYNC_ESTABLISHED with status 0x00
(success) the corresponding BIS hci_conn state shall be set to
BT_CONNECTED otherwise they will be left with BT_OPEN which is invalid
at that point, also create the debugfs and sysfs entries following the
same logic as the likes of Broadcast Source BIS and CIS connections.
Fixes: f777d8827817 ("Bluetooth: ISO: Notify user space about failed bis connections")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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BIS/PA connections do have their own cleanup proceedure which are
performed by hci_conn_cleanup/bis_cleanup.
Fixes: 23205562ffc8 ("Bluetooth: separate CIS_LINK and BIS_LINK link types")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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hci_conn_hash_lookup_big_state
The check for destination to be BDADDR_ANY is no longer necessary with
the introduction of BIS_LINK.
Fixes: 23205562ffc8 ("Bluetooth: separate CIS_LINK and BIS_LINK link types")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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As the code comments on hci_setup_ext_adv_instance_sync suggests the
advertising instance needs to be disabled in order to update its
parameters, but it was wrongly checking that !adv->pending.
Fixes: cba6b758711c ("Bluetooth: hci_sync: Make use of hci_cmd_sync_queue set 2")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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https://git.kernel.org/pub/scm/linux/kernel/git/sven/linux into arm/fixes
Apple SoC fixes for 6.16
One devicetree fix for a dtbs_warning that's been present for a while:
- Rename the PCIe BCM4377 node to conform to the devicetree binding
schema
Two devicetree fixes for W=1 warnings that have been introduced recently:
- Drop {address,size}-cells from SPI NOR which doesn't have any child
nodes such that these don't make sense
- Move touchbar mipi {address,size}-cells from the dtsi file where the
node is disabled and has no children to the dts file where it's
enabled and its children are declared
Signed-off-by: Sven Peter <sven@kernel.org>
* tag 'apple-soc-fixes-6.16' of https://git.kernel.org/pub/scm/linux/kernel/git/sven/linux:
arm64: dts: apple: Move touchbar mipi {address,size}-cells from dtsi to dts
arm64: dts: apple: Drop {address,size}-cells from SPI NOR
arm64: dts: apple: t8103: Fix PCIe BCM4377 nodename
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https://git.kernel.org/pub/scm/linux/kernel/git/jenswi/linux-tee into arm/fixes
A fix in the OP-TEE driver for v6.16
Fixing a sleep in atomic context in the FF-A notification callback by
adding a work queue to process in a non-atomic context.
* tag 'optee-fix-for-v6.16' of https://git.kernel.org/pub/scm/linux/kernel/git/jenswi/linux-tee:
optee: ffa: fix sleep in atomic context
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https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into arm/fixes
Samsung SoC fixes for v6.16
1. Correct CONFIG option in arm64 defconfig enabling the Qualcomm SoC
SNPS EUSB2 phy driver, because Kconfig entry was renamed when
changing the driver to a common one, shared with Samsung SoC, thus
defconfig lost that driver effectively.
2. Exynos ACPM: Fix timeouts happening with multiple requests.
* tag 'samsung-fixes-6.16' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
firmware: exynos-acpm: fix timeouts on xfers handling
arm64: defconfig: update renamed PHY_SNPS_EUSB2
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Since commit 0e2338749192 ("ipv6: fix races in ip6_dst_destroy()"),
'table' is unused in __fib6_drop_pcpu_from(), no need pass it from
fib6_drop_pcpu_from().
Signed-off-by: Yue Haibing <yuehaibing@huawei.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250701041235.1333687-1-yuehaibing@huawei.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Bagas Sanjaya says:
====================
Another ip-sysctl docs cleanup
Inspired by Abdelrahman's cleanup [1]. This time, mostly formatting
conversion to bullet lists.
[1]: https://lore.kernel.org/linux-doc/20250624150923.40590-1-abdelrahmanfekry375@gmail.com/
====================
Link: https://patch.msgid.link/20250701031300.19088-1-bagasdotme@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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