From netdev/egress, skb->len can include the ethernet header, therefore,
subtract network offset from skb->len when validating IPv6 packet length.
Fixes: 42df6e1d221d ("netfilter: Introduce egress hook")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
fq_dequeue() has a complex logic to find packets in one of the 3 bands.
As Neal found out, it is possible that one band has a deficit smaller
than its weight. fq_dequeue() can return NULL while some packets are
elligible for immediate transmit.
In this case, more than one iteration is needed to refill pband->credit.
With default parameters (weights 589824 196608 65536) bug can trigger
if large BIG TCP packets are sent to the lowest priority band.
Bisected-by: John Sperbeck <jsperbeck@google.com>
Diagnosed-by: Neal Cardwell <ncardwell@google.com>
Fixes: 29f834aa326e ("net_sched: sch_fq: add 3 bands and WRR scheduling")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Neal Cardwell <ncardwell@google.com>
Link: https://patch.msgid.link/20240824181901.953776-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The return variable 'ret' at btrfs_reclaim_sweep() is never assigned if
none of the space infos is reclaimable (for example if periodic reclaim
is disabled, which is the default), so we return an undefined value.
This can be fixed my making btrfs_reclaim_sweep() not return any value
as well as do_reclaim_sweep() because:
1) do_reclaim_sweep() always returns 0, so we can make it return void;
2) The only caller of btrfs_reclaim_sweep() (btrfs_reclaim_bgs()) doesn't
care about its return value, and in its context there's nothing to do
about any errors anyway.
Therefore remove the return value from btrfs_reclaim_sweep() and
do_reclaim_sweep().
Fixes: e4ca3932ae90 ("btrfs: periodic block_group reclaim")
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Testing on LNL has shown media TLBs need to be invalidated via the GuC,
update xe_vm_invalidate_vma appropriately.
v2: Fix 2 tile case
v3: Include missing local change
Fixes: 3330361543fc ("drm/xe/lnl: Add LNL platform definition")
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240820160129.986889-1-matthew.brost@intel.com
(cherry picked from commit 77cc3f6c58b1b28cee73904946c46a1415187d04)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
If growfsrt is run on a filesystem that doesn't have a rt volume, it's
possible to change the rt extent size. If the root directory was
previously set up with an inherited extent size hint and rtinherit, it's
possible that the hint is no longer a multiple of the rt extent size.
Although the verifiers don't complain about this, xfs_repair will, so if
we detect this situation, log the root directory to clean it up. This
is still racy, but it's better than nothing.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
Take the grow lock when we're expanding the realtime volume, like we do
for the other growfs calls.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
In the fsmap query of xfs, there is an interval missing problem:
[root@fedora ~]# xfs_io -c 'fsmap -vvvv' /mnt
EXT: DEV BLOCK-RANGE OWNER FILE-OFFSET AG AG-OFFSET TOTAL
0: 253:16 [0..7]: static fs metadata 0 (0..7) 8
1: 253:16 [8..23]: per-AG metadata 0 (8..23) 16
2: 253:16 [24..39]: inode btree 0 (24..39) 16
3: 253:16 [40..47]: per-AG metadata 0 (40..47) 8
4: 253:16 [48..55]: refcount btree 0 (48..55) 8
5: 253:16 [56..103]: per-AG metadata 0 (56..103) 48
6: 253:16 [104..127]: free space 0 (104..127) 24
......
BUG:
[root@fedora ~]# xfs_io -c 'fsmap -vvvv -d 104 107' /mnt
[root@fedora ~]#
Normally, we should be able to get [104, 107), but we got nothing.
The problem is caused by shifting. The query for the problem-triggered
scenario is for the missing_owner interval (e.g. freespace in rmapbt/
unknown space in bnobt), which is obtained by subtraction (gap). For this
scenario, the interval is obtained by info->last. However, rec_daddr is
calculated based on the start_block recorded in key[1], which is converted
by calling XFS_BB_TO_FSBT. Then if rec_daddr does not exceed
info->next_daddr, which means keys[1].fmr_physical >> (mp)->m_blkbb_log
<= info->next_daddr, no records will be displayed. In the above example,
104 >> (mp)->m_blkbb_log = 12 and 107 >> (mp)->m_blkbb_log = 12, so the two
are reduced to 0 and the gap is ignored:
before calculate ----------------> after shifting
104(st) 107(ed) 12(st/ed)
|---------| |
sector size block size
Resolve this issue by introducing the "end_daddr" field in
xfs_getfsmap_info. This records |key[1].fmr_physical + key[1].length| at
the granularity of sector. If the current query is the last, the rec_daddr
is end_daddr to prevent missing interval problems caused by shifting. We
only need to focus on the last query, because xfs disks are internally
aligned with disk blocksize that are powers of two and minimum 512, so
there is no problem with shifting in previous queries.
After applying this patch, the above problem have been solved:
[root@fedora ~]# xfs_io -c 'fsmap -vvvv -d 104 107' /mnt
EXT: DEV BLOCK-RANGE OWNER FILE-OFFSET AG AG-OFFSET TOTAL
0: 253:16 [104..106]: free space 0 (104..106) 3
Fixes: e89c041338ed ("xfs: implement the GETFSMAP ioctl")
Signed-off-by: Zizhi Wo <wozizhi@huawei.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
[djwong: limit the range of end_addr correctly]
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
Use XFS_BUF_DADDR_NULL (instead of a magic sentinel value) to mean "this
field is null" like the rest of xfs.
Cc: wozizhi@huawei.com
Fixes: e89c041338ed6 ("xfs: implement the GETFSMAP ioctl")
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
With recent work to the doorbell workaround code a small hole was
introduced that could cause a tx_timeout. This happens if the rx
dbell_deadline goes beyond the netdev watchdog timeout set by the driver
(i.e. 2 seconds). Fix this by changing the netdev watchdog timeout to 5
seconds and reduce the max rx dbell_deadline to 4 seconds.
The test that can reproduce the issue being fixed is a multi-queue send
test via pktgen with the "burst" setting to 1. This causes the queue's
doorbell to be rung on every packet sent to the driver, which may result
in the device missing doorbells due to the high doorbell rate.
Cc: stable@vger.kernel.org
Fixes: 4ded136c78f8 ("ionic: add work item for missed-doorbell check")
Signed-off-by: Brett Creeley <brett.creeley@amd.com>
Reviewed-by: Shannon Nelson <shannon.nelson@amd.com>
Link: https://patch.msgid.link/20240822192557.9089-1-brett.creeley@amd.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
ARL and MTL share a single GSC firmware blob. However, ARL requires a
newer version of it.
So add differentiate of the PCI ids for ARL from MTL and create ARL as
a sub-platform of MTL. That way, all the existing workarounds and such
still treat ARL as MTL exactly as before. However, now the GSC code
can check for ARL and do an extra version check on the firmware before
committing to it.
Also, the version extraction code has various ways of failing but the
return code was being ignore and so the firmware load would attempt to
continue anyway. Fix that by propagating the return code to the next
level out.
Signed-off-by: John Harrison <John.C.Harrison@Intel.com>
Fixes: 213c43676beb ("drm/i915/mtl: Remove the 'force_probe' requirement for Meteor Lake")
Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Acked-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240802031051.3816392-1-John.C.Harrison@Intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
(cherry picked from commit 67733d7a71503fd3e32eeada371f8aa2516c5c95)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
There are 2G and 4G RAM versions of the Lenovo Yoga Tab 3 X90F and it
turns out that the 2G version has a DMI product name of
"CHERRYVIEW D1 PLATFORM" where as the 4G version has
"CHERRYVIEW C0 PLATFORM". The sys-vendor + product-version check are
unique enough that the product-name check is not necessary.
Drop the product-name check so that the existing DMI match for the 4G
RAM version also matches the 2G RAM version.
Fixes: f6f4a0862bde ("drm/i915/vlv_dsi: Add DMI quirk for backlight control issues on Lenovo Yoga Tab 3 (v2)")
Cc: stable@vger.kernel.org
Acked-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240823075055.17198-1-hdegoede@redhat.com
(cherry picked from commit a4dbe45c4c14edc316ae94b9af86a28f8c5d8123)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
When the firmware crashes, we first told the op_mode and only then,
changed the transport's state. This is a problem if the op_mode's
nic_error() handler needs to send a host command: it'll see that the
transport's state still reflects that the firmware is alive.
Today, this has no consequences since we set the STATUS_FW_ERROR bit and
that will prevent sending host commands. iwl_fw_dbg_stop_restart_recording
looks at this bit to know not to send a host command for example.
To fix the hibernation, we needed to reset the firmware without having
an error and checking STATUS_FW_ERROR to see whether the firmware is
alive will no longer hold, so this change is necessary as well.
Change the flow a bit.
Change trans->state before calling the op_mode's nic_error() method and
check trans->state instead of STATUS_FW_ERROR. This will keep the
current behavior of iwl_fw_dbg_stop_restart_recording upon firmware
error, and it'll allow us to call iwl_fw_dbg_stop_restart_recording
safely even if STATUS_FW_ERROR is clear, but yet, the firmware is not
alive.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20240825191257.9d7427fbdfd7.Ia056ca57029a382c921d6f7b6a6b28fc480f2f22@changeid
[I missed this was a dependency for the hibernation fix, changed
the commit message a bit accordingly]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
RSN IE missing in beacon is normal in open networks.
Avoid returning -EINVAL in this case.
Steps to reproduce:
$ cat /etc/wpa_supplicant.conf
network={
ssid="testNet"
mode=2
key_mgmt=NONE
}
$ wpa_supplicant -iwlan0 -c /etc/wpa_supplicant.conf
nl80211: Beacon set failed: -22 (Invalid argument)
Failed to set beacon parameters
Interface initialization failed
wlan0: interface state UNINITIALIZED->DISABLED
wlan0: AP-DISABLED
wlan0: Unable to setup interface.
Failed to initialize AP interface
After the change:
$ wpa_supplicant -iwlan0 -c /etc/wpa_supplicant.conf
Successfully initialized wpa_supplicant
wlan0: interface state UNINITIALIZED->ENABLED
wlan0: AP-ENABLED
Cc: stable@vger.kernel.org
Fixes: fe0a7776d4d1 ("wifi: wfx: fix possible NULL pointer dereference in wfx_set_mfp_ap()")
Signed-off-by: Alexander Sverdlin <alexander.sverdlin@siemens.com>
Reviewed-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://patch.msgid.link/20240823131521.3309073-1-alexander.sverdlin@siemens.com
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Merge tag 'vfs-6.11-rc6.fixes' of gitolite.kernel.org:pub/scm/linux/kernel/git/vfs/vfs
Pull vfs fixes from Christian Brauner:
"VFS:
- Ensure that backing files uses file->f_ops->splice_write() for
splice
netfs:
- Revert the removal of PG_private_2 from netfs_release_folio() as
cephfs still relies on this
- When AS_RELEASE_ALWAYS is set on a mapping the folio needs to
always be invalidated during truncation
- Fix losing untruncated data in a folio by making letting
netfs_release_folio() return false if the folio is dirty
- Fix trimming of streaming-write folios in netfs_inval_folio()
- Reset iterator before retrying a short read
- Fix interaction of streaming writes with zero-point tracker
afs:
- During truncation afs currently calls truncate_setsize() which sets
i_size, expands the pagecache and truncates it. The first two
operations aren't needed because they will have already been done.
So call truncate_pagecache() instead and skip the redundant parts
overlayfs:
- Fix checking of the number of allowed lower layers so 500 layers
can actually be used instead of just 499
- Add missing '\n' to pr_err() output
- Pass string to ovl_parse_layer() and thus allow it to be used for
Opt_lowerdir as well
pidfd:
- Revert blocking the creation of pidfds for kthread as apparently
userspace relies on this. Specifically, it breaks systemd during
shutdown
romfs:
- Fix romfs_read_folio() to use the correct offset with
folio_zero_tail()"
* tag 'vfs-6.11-rc6.fixes' of gitolite.kernel.org:pub/scm/linux/kernel/git/vfs/vfs:
netfs: Fix interaction of streaming writes with zero-point tracker
netfs: Fix missing iterator reset on retry of short read
netfs: Fix trimming of streaming-write folios in netfs_inval_folio()
netfs: Fix netfs_release_folio() to say no if folio dirty
afs: Fix post-setattr file edit to do truncation correctly
mm: Fix missing folio invalidation calls during truncation
ovl: ovl_parse_param_lowerdir: Add missed '\n' for pr_err
ovl: fix wrong lowerdir number check for parameter Opt_lowerdir
ovl: pass string to ovl_parse_layer()
backing-file: convert to using fops->splice_write
Revert "pidfd: prevent creation of pidfds for kthreads"
romfs: fix romfs_read_folio()
netfs, ceph: Partially revert "netfs: Replace PG_fscache by setting folio->private and marking dirty"
The temperature reading function was using a signed long for the ADC
code, which could lead to mishandling of invalid codes on 32-bit
platforms. This allowed out-of-range ADC codes to be incorrectly
interpreted as valid values and used in temperature calculations.
Change adc_code to u32 to ensure that invalid ADC codes are correctly
identified on all platforms.
Fixes: 1b2ca93cd059 ("hwmon: Add driver for Astera Labs PT5161L retimer")
Signed-off-by: Cosmo Chou <chou.cosmo@gmail.com>
Message-ID: <20240819104630.2375441-1-chou.cosmo@gmail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This was caught as a very rare nonce inconsistency, on systems with
encryption and replication (and tiering, or some form of rebalance
operation running):
[Wed Jul 17 13:30:03 2024] about to insert invalid key in data update path
[Wed Jul 17 13:30:03 2024] old: u64s 10 type extent 671283510:6392:U32_MAX len 16 ver 106595503: durability: 2 crc: c_size 8 size 16 offset 0 nonce 0 csum chacha20_poly1305_80 compress zstd ptr: 3:355968:104 gen 7 ptr: 4:513244:48 gen 6 rebalance: target hdd compression zstd
[Wed Jul 17 13:30:03 2024] k: u64s 10 type extent 671283510:6400:U32_MAX len 16 ver 106595508: durability: 2 crc: c_size 8 size 16 offset 0 nonce 0 csum chacha20_poly1305_80 compress zstd ptr: 3:355968:112 gen 7 ptr: 4:513244:56 gen 6 rebalance: target hdd compression zstd
[Wed Jul 17 13:30:03 2024] new: u64s 14 type extent 671283510:6392:U32_MAX len 8 ver 106595508: durability: 2 crc: c_size 8 size 16 offset 0 nonce 0 csum chacha20_poly1305_80 compress zstd ptr: 3:355968:112 gen 7 cached ptr: 4:513244:56 gen 6 cached rebalance: target hdd compression zstd crc: c_size 8 size 16 offset 8 nonce 0 csum chacha20_poly1305_80 compress zstd ptr: 1:10860085:32 gen 0 ptr: 0:17285918:408 gen 0
[Wed Jul 17 13:30:03 2024] bcachefs (cca5bc65-fe77-409d-a9fa-465a6e7f4eae): fatal error - emergency read only
bch2_extents_match() was reporting true for extents that did not
actually point to the same data.
bch2_extent_match() iterates over pairs of pointers, looking for
pointers that point to the same location on disk (with matching
generation numbers). However one or both extents may have been trimmed
(or merged) and they might not have the same disk offset: it corrects
for this by subtracting the key offset and the checksum entry offset.
However, this failed when an extent was immediately partially
overwritten, and the new overwrite was allocated the next adjacent disk
space.
Normally, with compression off, this would never cause a bug, since the
new extent would have to be immediately after the old extent for the
pointer offsets to match, and the rebalance index update path is not
looking for an extent outside the range of the extent it moved.
However with compression enabled, extents take up less space on disk
than they do in the btree index space - and spuriously matching after
partial overwrite is possible.
To fix this, add a secondary check, that strictly checks that the
regions pointed to on disk overlap.
https://github.com/koverstreet/bcachefs/issues/717
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This fixes an assertion pop in io_write.c - if we don't return an error
we're supposed to have completed all the btree updates.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
[BUG]
There is an internal report that KASAN is reporting use-after-free, with
the following backtrace:
BUG: KASAN: slab-use-after-free in btrfs_check_read_bio+0xa68/0xb70 [btrfs]
Read of size 4 at addr ffff8881117cec28 by task kworker/u16:2/45
CPU: 1 UID: 0 PID: 45 Comm: kworker/u16:2 Not tainted 6.11.0-rc2-next-20240805-default+ #76
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.2-3-gd478f380-rebuilt.opensuse.org 04/01/2014
Workqueue: btrfs-endio btrfs_end_bio_work [btrfs]
Call Trace:
dump_stack_lvl+0x61/0x80
print_address_description.constprop.0+0x5e/0x2f0
print_report+0x118/0x216
kasan_report+0x11d/0x1f0
btrfs_check_read_bio+0xa68/0xb70 [btrfs]
process_one_work+0xce0/0x12a0
worker_thread+0x717/0x1250
kthread+0x2e3/0x3c0
ret_from_fork+0x2d/0x70
ret_from_fork_asm+0x11/0x20
Allocated by task 20917:
kasan_save_stack+0x37/0x60
kasan_save_track+0x10/0x30
__kasan_slab_alloc+0x7d/0x80
kmem_cache_alloc_noprof+0x16e/0x3e0
mempool_alloc_noprof+0x12e/0x310
bio_alloc_bioset+0x3f0/0x7a0
btrfs_bio_alloc+0x2e/0x50 [btrfs]
submit_extent_page+0x4d1/0xdb0 [btrfs]
btrfs_do_readpage+0x8b4/0x12a0 [btrfs]
btrfs_readahead+0x29a/0x430 [btrfs]
read_pages+0x1a7/0xc60
page_cache_ra_unbounded+0x2ad/0x560
filemap_get_pages+0x629/0xa20
filemap_read+0x335/0xbf0
vfs_read+0x790/0xcb0
ksys_read+0xfd/0x1d0
do_syscall_64+0x6d/0x140
entry_SYSCALL_64_after_hwframe+0x4b/0x53
Freed by task 20917:
kasan_save_stack+0x37/0x60
kasan_save_track+0x10/0x30
kasan_save_free_info+0x37/0x50
__kasan_slab_free+0x4b/0x60
kmem_cache_free+0x214/0x5d0
bio_free+0xed/0x180
end_bbio_data_read+0x1cc/0x580 [btrfs]
btrfs_submit_chunk+0x98d/0x1880 [btrfs]
btrfs_submit_bio+0x33/0x70 [btrfs]
submit_one_bio+0xd4/0x130 [btrfs]
submit_extent_page+0x3ea/0xdb0 [btrfs]
btrfs_do_readpage+0x8b4/0x12a0 [btrfs]
btrfs_readahead+0x29a/0x430 [btrfs]
read_pages+0x1a7/0xc60
page_cache_ra_unbounded+0x2ad/0x560
filemap_get_pages+0x629/0xa20
filemap_read+0x335/0xbf0
vfs_read+0x790/0xcb0
ksys_read+0xfd/0x1d0
do_syscall_64+0x6d/0x140
entry_SYSCALL_64_after_hwframe+0x4b/0x53
[CAUSE]
Although I cannot reproduce the error, the report itself is good enough
to pin down the cause.
The call trace is the regular endio workqueue context, but the
free-by-task trace is showing that during btrfs_submit_chunk() we
already hit a critical error, and is calling btrfs_bio_end_io() to error
out. And the original endio function called bio_put() to free the whole
bio.
This means a double freeing thus causing use-after-free, e.g.:
1. Enter btrfs_submit_bio() with a read bio
The read bio length is 128K, crossing two 64K stripes.
2. The first run of btrfs_submit_chunk()
2.1 Call btrfs_map_block(), which returns 64K
2.2 Call btrfs_split_bio()
Now there are two bios, one referring to the first 64K, the other
referring to the second 64K.
2.3 The first half is submitted.
3. The second run of btrfs_submit_chunk()
3.1 Call btrfs_map_block(), which by somehow failed
Now we call btrfs_bio_end_io() to handle the error
3.2 btrfs_bio_end_io() calls the original endio function
Which is end_bbio_data_read(), and it calls bio_put() for the
original bio.
Now the original bio is freed.
4. The submitted first 64K bio finished
Now we call into btrfs_check_read_bio() and tries to advance the bio
iter.
But since the original bio (thus its iter) is already freed, we
trigger the above use-after free.
And even if the memory is not poisoned/corrupted, we will later call
the original endio function, causing a double freeing.
[FIX]
Instead of calling btrfs_bio_end_io(), call btrfs_orig_bbio_end_io(),
which has the extra check on split bios and do the proper refcounting
for cloned bios.
Furthermore there is already one extra btrfs_cleanup_bio() call, but
that is duplicated to btrfs_orig_bbio_end_io() call, so remove that
label completely.
Reported-by: David Sterba <dsterba@suse.com>
Fixes: 852eee62d31a ("btrfs: allow btrfs_submit_bio to split bios")
CC: stable@vger.kernel.org # 6.6+
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
In aperture_remove_conflicting_pci_devices(), we currently only
call sysfb_disable() on vga class devices. This leads to the
following problem when the pimary device is not VGA compatible:
1. A PCI device with a non-VGA class is the boot display
2. That device is probed first and it is not a VGA device so
sysfb_disable() is not called, but the device resources
are freed by aperture_detach_platform_device()
3. Non-primary GPU has a VGA class and it ends up calling sysfb_disable()
4. NULL pointer dereference via sysfb_disable() since the resources
have already been freed by aperture_detach_platform_device() when
it was called by the other device.
Fix this by passing a device pointer to sysfb_disable() and checking
the device to determine if we should execute it or not.
v2: Fix build when CONFIG_SCREEN_INFO is not set
v3: Move device check into the mutex
Drop primary variable in aperture_remove_conflicting_pci_devices()
Drop __init on pci sysfb_pci_dev_is_enabled()
Fixes: 5ae3716cfdcd ("video/aperture: Only remove sysfb on the default vga pci device")
Cc: Javier Martinez Canillas <javierm@redhat.com>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: Helge Deller <deller@gmx.de>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240821191135.829765-1-alexander.deucher@amd.com
Currently, we copy the mtime and ctime to the in-core inode and then
mark the inode dirty. This is fine for certain types of filesystems, but
not all. Some require a real setattr to properly change these values
(e.g. ceph or reexported NFS).
Fix this code to call notify_change() instead, which is the proper way
to effect a setattr. There is one problem though:
In this case, the client is holding a write delegation and has sent us
attributes to update our cache. We don't want to break the delegation
for this since that would defeat the purpose. Add a new ATTR_DELEG flag
that makes notify_change bypass the try_break_deleg call.
Fixes: c5967721e106 ("NFSD: handle GETATTR conflict with write delegation")
Reviewed-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Crash is seen on AM64x 10M link when connecting / disconnecting multiple
times.
The fix for this is to enable quirk_10m_link_issue for AM64x.
Fixes: b256e13378a9 ("net: ti: icssg-prueth: Add AM64x icssg support")
Signed-off-by: MD Danish Anwar <danishanwar@ti.com>
Reviewed-by: Roger Quadros <rogerq@kernel.org>
Link: https://patch.msgid.link/20240823120412.1262536-1-danishanwar@ti.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
A sysfs reader can race with a device reset or removal, attempting to
read device state when the device is not actually present. eg:
[exception RIP: qed_get_current_link+17]
#8 [ffffb9e4f2907c48] qede_get_link_ksettings at ffffffffc07a994a [qede]
#9 [ffffb9e4f2907cd8] __rh_call_get_link_ksettings at ffffffff992b01a3
#10 [ffffb9e4f2907d38] __ethtool_get_link_ksettings at ffffffff992b04e4
#11 [ffffb9e4f2907d90] duplex_show at ffffffff99260300
#12 [ffffb9e4f2907e38] dev_attr_show at ffffffff9905a01c
#13 [ffffb9e4f2907e50] sysfs_kf_seq_show at ffffffff98e0145b
#14 [ffffb9e4f2907e68] seq_read at ffffffff98d902e3
#15 [ffffb9e4f2907ec8] vfs_read at ffffffff98d657d1
#16 [ffffb9e4f2907f00] ksys_read at ffffffff98d65c3f
#17 [ffffb9e4f2907f38] do_syscall_64 at ffffffff98a052fb
crash> struct net_device.state ffff9a9d21336000
state = 5,
state 5 is __LINK_STATE_START (0b1) and __LINK_STATE_NOCARRIER (0b100).
The device is not present, note lack of __LINK_STATE_PRESENT (0b10).
This is the same sort of panic as observed in commit 4224cfd7fb65
("net-sysfs: add check for netdevice being present to speed_show").
There are many other callers of __ethtool_get_link_ksettings() which
don't have a device presence check.
Move this check into ethtool to protect all callers.
Fixes: d519e17e2d01 ("net: export device speed and duplex via sysfs")
Fixes: 4224cfd7fb65 ("net-sysfs: add check for netdevice being present to speed_show")
Signed-off-by: Jamie Bainbridge <jamie.bainbridge@gmail.com>
Link: https://patch.msgid.link/8bae218864beaa44ed01628140475b9bf641c5b0.1724393671.git.jamie.bainbridge@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
create_elf_fdpic_tables() does not correctly account the space for the
AUX vector when an architecture has ELF_HWCAP2 defined. Prior to the
commit 10e29251be0e ("binfmt_elf_fdpic: fix /proc/<pid>/auxv") it
resulted in the last entry of the AUX vector being set to zero, but with
that change it results in a kernel BUG.
Fix that by adding one to the number of AUXV entries (nitems) when
ELF_HWCAP2 is defined.
Fixes: 10e29251be0e ("binfmt_elf_fdpic: fix /proc/<pid>/auxv")
Cc: stable@vger.kernel.org
Reported-by: Greg Ungerer <gerg@kernel.org>
Closes: https://lore.kernel.org/lkml/5b51975f-6d0b-413c-8b38-39a6a45e8821@westnet.com.au/
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Tested-by: Greg Ungerer <gerg@kernel.org>
Link: https://lore.kernel.org/r/20240826032745.3423812-1-jcmvbkbc@gmail.com
Signed-off-by: Kees Cook <kees@kernel.org>
- btintel: Allow configuring drive strength of BRI
- hci_core: Fix not handling hibernation actions
- btnxpuart: Fix random crash seen while removing driver
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Merge tag 'for-net-2024-08-23' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth
Luiz Augusto von Dentz says:
====================
bluetooth pull request for net:
- btintel: Allow configuring drive strength of BRI
- hci_core: Fix not handling hibernation actions
- btnxpuart: Fix random crash seen while removing driver
* tag 'for-net-2024-08-23' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth:
Bluetooth: hci_core: Fix not handling hibernation actions
Bluetooth: btnxpuart: Fix random crash seen while removing driver
Bluetooth: btintel: Allow configuring drive strength of BRI
====================
Link: https://patch.msgid.link/20240823200008.65241-1-luiz.dentz@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Once we drop the delegation reference, the fields embedded in it are no
longer safe to access. Do that last.
Fixes: c5967721e106 ("NFSD: handle GETATTR conflict with write delegation")
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Once we've dropped the flc_lock, there is nothing that ensures that the
delegation that was found will still be around later. Take a reference
to it while holding the lock and then drop it when we've finished with
the delegation.
Fixes: c5967721e106 ("NFSD: handle GETATTR conflict with write delegation")
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
In 'ieee80211_beacon_get_ap()', free allocated skb in case of error
returned by 'ieee80211_beacon_protect()'. Compile tested only.
Signed-off-by: Dmitry Antipov <dmantipov@yandex.ru>
Link: https://patch.msgid.link/20240805142035.227847-1-dmantipov@yandex.ru
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
There is a WARNING in iwl_trans_wait_tx_queues_empty() (that was
recently converted from just a message), that can be hit if we
wait for TX queues to become empty after firmware died. Clearly,
we can't expect anything from the firmware after it's declared dead.
Don't call iwl_trans_wait_tx_queues_empty() in this case. While it could
be a good idea to stop the flow earlier, the flush functions do some
maintenance work that is not related to the firmware, so keep that part
of the code running even when the firmware is not running.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20240825191257.a7cbd794cee9.I44a739fbd4ffcc46b83844dd1c7b2eb0c7b270f6@changeid
[edit commit message]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
MLO internal scan may include 6 GHz channels. Since the 6 GHz scan
indication is not set, the channel flags are set incorrectly, which
leads to a firmware assert.
Since the MLO scan may include 6 GHz and non 6 GHz channels in one
request, add support for non-PSC 6 GHz channels (PSC channels are
already supported) when the 6 GHz indication is not set.
Fixes: 38b3998dfba3 ("wifi: iwlwifi: mvm: Introduce internal MLO passive scan")
Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20240825191257.04807f8213b2.Idd09d4366df92a74853649c1a520b7f0f752d1ac@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Not doing so will make us send a host command to the transport while the
firmware is not alive, which will trigger a WARNING.
bad state = 0
WARNING: CPU: 2 PID: 17434 at drivers/net/wireless/intel/iwlwifi/iwl-trans.c:115 iwl_trans_send_cmd+0x1cb/0x1e0 [iwlwifi]
RIP: 0010:iwl_trans_send_cmd+0x1cb/0x1e0 [iwlwifi]
Call Trace:
<TASK>
iwl_mvm_send_cmd+0x40/0xc0 [iwlmvm]
iwl_mvm_config_scan+0x198/0x260 [iwlmvm]
iwl_mvm_recalc_tcm+0x730/0x11d0 [iwlmvm]
iwl_mvm_tcm_work+0x1d/0x30 [iwlmvm]
process_one_work+0x29e/0x640
worker_thread+0x2df/0x690
? rescuer_thread+0x540/0x540
kthread+0x192/0x1e0
? set_kthread_struct+0x90/0x90
ret_from_fork+0x22/0x30
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20240825191257.5abe71ca1b6b.I97a968cb8be1f24f94652d9b110ecbf6af73f89e@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Check size of WGDS revision 3 is equal to 8 entries size with some header,
but doesn't depend on the number of used entries. Check that used entries
are between min and max but allow more to be present than are used to fix
operation with some BIOSes that have such data.
Fixes: 97f8a3d1610b ("iwlwifi: ACPI: support revision 3 WGDS tables")
Signed-off-by: Anjaneyulu <pagadala.yesu.anjaneyulu@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20240825191257.cc71dfc67ec3.Ic27ee15ac6128b275c210b6de88f2145bd83ca7b@changeid
[edit commit message]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
iwl_mvm_select_links is called by the link selection worker and it
requires the mutex.
Take it in the link selection worker.
This logic used to run from iwl_mvm_rx_umac_scan_complete_notif which
had the mvm->mutex held. This was changed to run in a worker holding the
wiphy mutex, but we also need the mvm->mutex.
Fixes: 2e194efa3809 ("wifi: iwlwifi: mvm: Fix race in scan completion")
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Reviewed-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20240825191257.0cacecd5db1e.Iaca38a078592b69bdd06549daf63408ccf1810e4@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The calculation should consider also the 6GHz IE's len, fix that.
In addition, in iwl_mvm_sched_scan_start() the scan_fits helper is
called only in case non_psc_incldued is true, but it should be called
regardless, fix that as well.
Signed-off-by: Daniel Gabay <daniel.gabay@intel.com>
Reviewed-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20240825191257.7db825442fd2.I99f4d6587709de02072fd57957ec7472331c6b1d@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Fast resume is a feature that was recently introduced to speed up the
resume time. It basically keeps the firmware alive while the system
is suspended and that avoids starting again the whole device.
This flow can't work for hibernation, since when the system boots,
before the frozen image is loaded, the kernel may touch the device. As a
result, we can't assume the device is in the exact same state as before
the hibernation.
Detect that we are resuming from hibernation through the PCI device and
forbid the fast resume flow. We also need to shut down the device
cleanly when that happens.
In addition, in case the device is power gated during S3, we won't be
able to keep the device alive. Detect this situation with BE200 at least
with the help of the CSR_FUNC_SCRATCH register and reset the device upon
resume if it was power gated during S3.
Fixes: e8bb19c1d590 ("wifi: iwlwifi: support fast resume")
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20240825191257.24eb3b19e74f.I3837810318dbef0a0a773cf4c4fcf89cdc6fdbd3@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
If ParaVirt steal time feature is enabled, there is a percpu gpa address
passed from guest vCPU and host modifies guest memory space with this gpa
address. When vCPU is reset normally, it will notify host and invalidate
gpa address.
However if VM is crashed and VMM reboots VM forcely, the vCPU reboot
notification callback will not be called in VM. Host needs invalidate
the gpa address, else host will modify guest memory during VM reboots.
Here it is invalidated from the vCPU KVM_REG_LOONGARCH_VCPU_RESET ioctl
interface.
Also funciton kvm_reset_timer() is removed at vCPU reset stage, since SW
emulated timer is only used in vCPU block state. When a vCPU is removed
from the block waiting queue, kvm_restore_timer() is called and SW timer
is cancelled. And the timer register is also cleared at VMM when a vCPU
is reset.
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
There exist some warnings when building kernel if CONFIG_CPU_HAS_LBT is
set but CONFIG_CPU_HAS_LSX and CONFIG_CPU_HAS_LASX are not set. In this
case, there are no definitions of _restore_lsx & _restore_lasx and there
are also no definitions of kvm_restore_lsx & kvm_restore_lasx in fpu.S
and switch.S respectively, just add some ifdefs to fix these warnings.
AS arch/loongarch/kernel/fpu.o
arch/loongarch/kernel/fpu.o: warning: objtool: unexpected relocation symbol type in .rela.discard.func_stack_frame_non_standard: 0
arch/loongarch/kernel/fpu.o: warning: objtool: unexpected relocation symbol type in .rela.discard.func_stack_frame_non_standard: 0
AS [M] arch/loongarch/kvm/switch.o
arch/loongarch/kvm/switch.o: warning: objtool: unexpected relocation symbol type in .rela.discard.func_stack_frame_non_standard: 0
arch/loongarch/kvm/switch.o: warning: objtool: unexpected relocation symbol type in .rela.discard.func_stack_frame_non_standard: 0
MODPOST Module.symvers
ERROR: modpost: "kvm_restore_lsx" [arch/loongarch/kvm/kvm.ko] undefined!
ERROR: modpost: "kvm_restore_lasx" [arch/loongarch/kvm/kvm.ko] undefined!
Cc: stable@vger.kernel.org # 6.9+
Fixes: cb8a2ef0848c ("LoongArch: Add ORC stack unwinder support")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202408120955.qls5oNQY-lkp@intel.com/
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Currently we call irq_set_noprobe() in a loop for all IRQs, but indeed
it only works for IRQs below NR_IRQS_LEGACY because at init_IRQ() only
legacy interrupts have been allocated.
Instead, we can define ARCH_IRQ_INIT_FLAGS as IRQ_NOPROBE in asm/hwirq.h
and the core will automatically set the flag for all interrupts.
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: Tianyang Zhang <zhangtianyang@loongson.cn>
There's a warning (probably on some older compiler version):
fs/btrfs/fiemap.c: warning: 'last_extent_end' may be used uninitialized in this function [-Wmaybe-uninitialized]: => 822:19
Initialize the variable to 0 although it's not necessary as it's either
properly set or not used after an error. The called function is in the
same file so this is a false alert but we want to fix all
-Wmaybe-uninitialized reports.
Link: https://lore.kernel.org/all/20240819070639.2558629-1-geert@linux-m68k.org/
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: David Sterba <dsterba@suse.com>
The driver must ensure TX descriptor updates are visible
before updating TX pointer and TX clear pointer.
This resolves TX hangs observed on AST2600 when running
iperf3.
Signed-off-by: Jacky Chou <jacky_chou@aspeedtech.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
On some machines with a large number of CPUs there is a sizable delay
between an atomic replace occurring and when sysfs updates accordingly.
This fix uses 'loop_until' to wait for the atomic replace to unload all
previous livepatches.
Reported-by: CKI Project <cki-project@redhat.com>
Closes: https://datawarehouse.cki-project.org/kcidb/tests/redhat:1413102084-x86_64-kernel_upt_28
Signed-off-by: Ryan Sullivan <rysulliv@redhat.com>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Acked-by: Joe Lawrence <joe.lawrence@redhat.com>
Link: https://lore.kernel.org/r/20240822173122.14760-1-rysulliv@redhat.com
Signed-off-by: Petr Mladek <pmladek@suse.com>
There are 2G and 4G RAM versions of the Lenovo Yoga Tab 3 X90F and it
turns out that the 2G version has a DMI product name of
"CHERRYVIEW D1 PLATFORM" where as the 4G version has
"CHERRYVIEW C0 PLATFORM". The sys-vendor + product-version check are
unique enough that the product-name check is not necessary.
Drop the product-name check so that the existing DMI match for the 4G
RAM version also matches the 2G RAM version.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20240825132415.8307-1-hdegoede@redhat.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
The Asus Zenbook Duo (UX8406MA) has a keyboard which can be
placed on the laptop to connect it via USB, or can be removed from the
laptop to reveal a hidden secondary display in which case the keyboard
operates via Bluetooth.
When it is placed on the secondary display to connect via USB, it emits
a keypress for a wireless disable. This causes the rfkill system to be
activated disconnecting the current wifi connection, which doesn't
reflect the user's true intention.
Detect this hardware and suppress any wireless switches from the
keyboard; this keyboard does not have a wireless toggle capability so
these presses are always spurious.
Signed-off-by: Mathieu Fenniak <mathieu@fenniak.net>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20240823135630.128447-1-mathieu@fenniak.net
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Subtract network offset to skb->len before performing IPv4 header sanity
checks, then adjust transport offset from offset from mac header.
Jorge Ortiz says:
When small UDP packets (< 4 bytes payload) are sent from eth0,
`meta l4proto udp` condition is not met because `NFT_PKTINFO_L4PROTO` is
not set. This happens because there is a comparison that checks if the
transport header offset exceeds the total length. This comparison does
not take into account the fact that the skb network offset might be
non-zero in egress mode (e.g., 14 bytes for Ethernet header).
Fixes: 0ae8e4cca787 ("netfilter: nf_tables: set transport offset from mac header for netdev/egress")
Reported-by: Jorge Ortiz <jorge.ortiz.escribano@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Move the initialization of parent->mutex into
hda_component_manager_init() so that it is always valid.
In hda_component_manager_bind() do not clear the parent information.
Only zero-fill the per-component data ready for it to be filled in
by the components as they bind.
Previously parent->mutex was being initialized only in
hda_component_manager_bind(). This meant that it was only
initialized if all components appeared and there was a bind callback.
If there wasn't a bind the mutex object was not valid when the
Realtek driver called any of the other functions.
Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Fixes: 047b9cbbaa8e ("ALSA: hda: hda_component: Protect shared data with a mutex")
Link: https://patch.msgid.link/20240826094940.45563-1-rf@opensource.cirrus.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This patch adds the HP Pavilion Aero 13 (13-bg0xxx) (year 2024) to list of
quirks for keyboard LED mute indication.
The laptop has two LEDs (one for speaker and one for mic mute). The
pre-existing quirk ALC245_FIXUP_HP_X360_MUTE_LEDS chains both the quirk for
mic and speaker mute.
Tested on 6.11.0-rc4 with the aforementioned laptop.
Signed-off-by: Hendrik Borghorst <hendrikborghorst@gmail.com>
Cc: <stable@vger.kernel.org>
Link: https://patch.msgid.link/20240825174351.5687-1-hendrikborghorst@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
