The drm_property_create_enum() function returns NULL on error, it never
returns error pointers. Fix the error checking to match.
Fixes: 2afc3184f3 ("drm/plane: Add COLOR PIPELINE property")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Simon Ser <contact@emersion.fr>
Link: https://patch.msgid.link/aTK9ZR0sMgqSACow@stanley.mountain
scx_enable() calls scx_bypass(true) to initialize in bypass mode and then
scx_bypass(false) on success to exit. If scx_enable() fails during task
initialization - e.g. scx_cgroup_init() or scx_init_task() returns an error -
it jumps to err_disable while bypass is still active. scx_disable_workfn()
then calls scx_bypass(true/false) for its own bypass, leaving the bypass depth
at 1 instead of 0. This causes the system to remain permanently in bypass mode
after a failed scx_enable().
Failures after task initialization is complete - e.g. scx_tryset_enable_state()
at the end - already call scx_bypass(false) before reaching the error path and
are not affected. This only affects a subset of failure modes.
Fix it by tracking whether scx_enable() called scx_bypass(true) in a bool and
having scx_disable_workfn() call an extra scx_bypass(false) to clear it. This
is a temporary measure as the bypass depth will be moved into the sched
instance, which will make this tracking unnecessary.
Fixes: 8c2090c504 ("sched_ext: Initialize in bypass mode")
Cc: stable@vger.kernel.org # v6.12+
Reported-by: Chris Mason <clm@meta.com>
Reviewed-by: Emil Tsalapatis <emil@etsalapatis.com>
Link: https://lore.kernel.org/stable/286e6f7787a81239e1ce2989b52391ce%40kernel.org
Signed-off-by: Tejun Heo <tj@kernel.org>
Let drivers deal with the vblank wait failures if they so desire. If the
current warning backtrace gets toned down to a simple warning message,
the drivers may wish to add the backtrace themselves.
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patch.msgid.link/7f2de4dd170771991756073f037c7ca043c3e746.1765290097.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
During VF_RESTORE or VF_RESUME, the GuC sends a migration interrupt and
clears the RESFIX_START marker. If migration or resume occurs before the
VF issues its own RESFIX_START, VF KMD may receive two back-to-back
migration interrupts. VF then sends RESFIX_START to indicate the beginning
of fixups and RESFIX_DONE to mark completion. However, the second
RESFIX_START fails because the GuC is already in the RUNNING state.
Clear the recovery_queued flag after sending a RESFIX_START message to
ignore duplicated IRQs seen before we start actual recovery.
This ensures the state is reset only after the fixup process begins,
avoiding redundant work item queuing.
Fixes: b5fbb94341 ("drm/xe/vf: Introduce RESFIX start marker support")
Signed-off-by: Satyanarayana K V P <satyanarayana.k.v.p@intel.com>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Tomasz Lis <tomasz.lis@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Link: https://patch.msgid.link/20251210052546.622809-6-satyanarayana.k.v.p@intel.com
Ensure VF migration recovery work is only queued when no recovery is
already queued and teardown is not in progress.
Fixes: b47c0c07c3 ("drm/xe/vf: Teardown VF post migration worker on driver unload")
Signed-off-by: Satyanarayana K V P <satyanarayana.k.v.p@intel.com>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Tomasz Lis <tomasz.lis@intel.com>
Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Link: https://patch.msgid.link/20251210052546.622809-5-satyanarayana.k.v.p@intel.com
This validation predates the introduction of the state machine that
determines when to enter slow path validation for error reporting.
Currently, table validation is perform when:
- new rule contains expressions that need validation.
- new set element with jump/goto verdict.
Validation on register store skips most checks with no basechains, still
this walks the graph searching for loops and ensuring expressions are
called from the right hook. Remove this.
Fixes: a654de8fdc ("netfilter: nf_tables: fix chain dependency validation")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Florian Westphal <fw@strlen.de>
Jakub reports spurious failures of the 'conntrack_reverse_clash.sh'
selftest. A bogus test makes nat core resort to port rewrite even
though there is no need for this.
When the test is made, nf_nat_used_tuple() would already have caused us
to return if no other CPU had added a colliding entry.
Moreover, nf_nat_used_tuple() would have ignored the colliding entry if
their origin tuples had been the same.
All that is left to check is if the colliding entry in the hash table
is subject to NAT, and, if its not, if our entry matches in the reverse
direction, e.g. hash table has
addr1:1234 -> addr2:80, and we want to commit
addr2:80 -> addr1:1234.
Because we already checked that neither the new nor the committed entry is
subject to NAT we only have to check origin vs. reply tuple:
for non-nat entries, the reply tuple is always the inverted original.
Just in case there are more problems extend the error reporting
in the selftest while at it and dump conntrack table/stats on error.
Reported-by: Jakub Kicinski <kuba@kernel.org>
Closes: https://lore.kernel.org/netdev/20251206175135.4a56591b@kernel.org/
Fixes: d8f84a9bc7 ("netfilter: nf_nat: don't try nat source port reallocation for reverse dir clash")
Signed-off-by: Florian Westphal <fw@strlen.de>
I'm retiring from maintaining netfilter. I'll still keep an
eye on ipset and respond to anything related to it.
Thank you!
Signed-off-by: Jozsef Kadlecsik <kadlec@netfilter.org>
Signed-off-by: Florian Westphal <fw@strlen.de>
To support hot-unplug of this bridge we need to protect access to device
resources in case sn65dsi83_remove() happens concurrently to other code.
Some care is needed for the case when the unplug happens before
sn65dsi83_atomic_disable() has a chance to enter the critical section
(i.e. a successful drm_bridge_enter() call), which occurs whenever the
hardware is removed while the display is active. When that happens,
sn65dsi83_atomic_disable() in unable to release the resources taken by
sn65dsi83_atomic_pre_enable().
To ensure those resources are released exactly once on device removal:
* move the code to release them to a dedicated function
* register that function when the resources are taken in
sn65dsi83_atomic_pre_enable()
* if sn65dsi83_atomic_disable() happens before sn65dsi83_remove()
(typical non-hot-unplug case):
* sn65dsi83_atomic_disable() can enter the critical section
(drm_bridge_enter() returns 0) -> it releases and executes the
devres action
* if sn65dsi83_atomic_disable() happens after sn65dsi83_remove()
(typical hot-unplug case):
* sn65dsi83_remove() -> drm_bridge_unplug() prevents
sn65dsi83_atomic_disable() from entering the critical section
(drm_bridge_enter() returns nonzero), so sn65dsi83_atomic_disable()
cannot release and execute the devres action
* the devres action is executed at the end of sn65dsi83_remove()
Reviewed-by: Maxime Ripard <mripard@kernel.org>
Link: https://patch.msgid.link/20251112-drm-bridge-atomic-vs-remove-v3-2-85db717ce094@bootlin.com
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Some Xe bos are allocated with extra backing-store for the CCS
metadata. It's never been the intention to share the CCS metadata
when exporting such bos as dma-buf. Don't include it in the
dma-buf sg-table.
Fixes: dd08ebf6c3 ("drm/xe: Introduce a new DRM driver for Intel GPUs")
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: <stable@vger.kernel.org> # v6.8+
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Karol Wachowski <karol.wachowski@linux.intel.com>
Link: https://patch.msgid.link/20251209204920.224374-1-thomas.hellstrom@linux.intel.com
The GT stats interface is extended to include counters of how many
queues are either interrupted or waited on in the hardware engine
groups. This can help application debugging.
v2: Rename to queue as those operations are queue-based (Matthew Brost)
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://lore.kernel.org/r/20251210165000.60789-1-francois.dugast@intel.com
Signed-off-by: Francois Dugast <francois.dugast@intel.com>
Set the error code if "transferred != sizeof(cmd)" instead of
returning success.
Fixes: dbafc28955 ("NFC: pn533: don't send USB data off of the stack")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://patch.msgid.link/aTfIJ9tZPmeUF4W1@stanley.mountain
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
MEI GSC interrupt comes from i915 or xe driver. It has top half and
bottom half. Top half is called from i915/xe interrupt handler. It
should be in irq disabled context.
With RT kernel(PREEMPT_RT enabled), by default IRQ handler is in
threaded IRQ. MEI GSC top half might be in threaded IRQ context.
generic_handle_irq_safe API could be called from either IRQ or
process context, it disables local IRQ then calls MEI GSC interrupt
top half.
This change fixes B580 GPU boot issue with RT enabled.
Fixes: e02cea83d3 ("drm/xe/gsc: add Battlemage support")
Tested-by: Baoli Zhang <baoli.zhang@intel.com>
Signed-off-by: Junxiao Chang <junxiao.chang@intel.com>
Reviewed-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patch.msgid.link/20251107033152.834960-1-junxiao.chang@intel.com
Signed-off-by: Maarten Lankhorst <dev@lankhorst.se>
Add a test case for a bug fixed by Jamal [1] and for scenario where an
ets drr class is inserted into the active list twice.
- Try to delete ets drr class' qdisc while still keeping it in the
active list
- Try to add ets class to the active list twice
[1] https://lore.kernel.org/netdev/20251128151919.576920-1-jhs@mojatatu.com/
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Victor Nogueira <victor@mojatatu.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Link: https://patch.msgid.link/20251208190125.1868423-2-victor@mojatatu.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The cffrml_receive() function extracts a length field from the packet
header and, when FCS is disabled, subtracts 2 from this length without
validating that len >= 2.
If an attacker sends a malicious packet with a length field of 0 or 1
to an interface with FCS disabled, the subtraction causes an integer
underflow.
This can lead to memory exhaustion and kernel instability, potential
information disclosure if padding contains uninitialized kernel memory.
Fix this by validating that len >= 2 before performing the subtraction.
Reported-by: Yuhao Jiang <danisjiang@gmail.com>
Reported-by: Junrui Luo <moonafterrain@outlook.com>
Fixes: b482cd2053 ("net-caif: add CAIF core protocol stack")
Signed-off-by: Junrui Luo <moonafterrain@outlook.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/SYBPR01MB7881511122BAFEA8212A1608AFA6A@SYBPR01MB7881.ausprd01.prod.outlook.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Some Potron SFP+ XGSPON ONU sticks are shipped with different EEPROM
vendor ID and vendor name strings, but are otherwise functionally
identical to the existing "Potron SFP+ XGSPON ONU Stick" handled by
sfp_quirk_potron().
These modules, including units distributed under the "Better Internet"
branding, use the same UART pin assignment and require the same
TX_FAULT/LOS behaviour and boot delay. Re-use the existing Potron
quirk for this EEPROM variant.
Signed-off-by: Marcus Hughes <marcus.hughes@betterinternet.ltd>
Link: https://patch.msgid.link/20251207210355.333451-1-marcus.hughes@betterinternet.ltd
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Whether AuxCCS can be properly supported depends on the support both from
the display side and non-display side of the driver.
Let us therefore allow for the non-display part to be queried via the
display parent interface.
The new interface replaces the HAS_AUX_CCS macro and we also remove the
FIXME from skl_universal_plane_create since now the xe will not advertise
the AuxCCS caps to start with so they do not need to be removed after
enumeration.
Also, by removing this build specific FIXME we come a step closer to fully
de-coupling display and non-display.
The existing HAS_AUX_CCS gets renamed to HAS_AUX_DIST since it is still
required for determining the need for PLANE_AUX_DIST programming.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com>
References: cf48bddd31 ("drm/i915/display: Disable AuxCCS framebuffers if built for Xe")
Cc: intel-gfx@lists.freedesktop.org
Cc: intel-xe@lists.freedesktop.org
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: José Roberto de Souza <jose.souza@intel.com>
Cc: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Acked-by: Jani Nikula <jani.nikula@intel.com> # v1
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Tvrtko Ursulin <tursulin@ursulin.net>
Link: https://lore.kernel.org/r/20251209120034.9143-1-tursulin@igalia.com
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Merge tag 'linux-can-fixes-for-6.19-20251210' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can
Marc Kleine-Budde says:
====================
pull-request: can 2025-12-10
Arnd Bergmann's patch fixes a build dependency with the CAN protocols
and drivers introduced in the current development cycle.
The last patch is by me and fixes the error handling cleanup in the
gs_usb driver.
* tag 'linux-can-fixes-for-6.19-20251210' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can:
can: gs_usb: gs_can_open(): fix error handling
can: fix build dependency
====================
Link: https://patch.msgid.link/20251210083448.2116869-1-mkl@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'nf-25-12-10' of https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf
Florian Westphal says:
====================
netfilter: updates for net
1) Fix refcount leaks in nf_conncount, from Fernando Fernandez Mancera.
This addresses a recent regression that came in the last -next
pull request.
2) Fix a null dereference in route error handling in IPVS, from Slavin
Liu. This is an ancient issue dating back to 5.1 days.
3) Always set ifindex in route tuple in the flowtable output path, from
Lorenzo Bianconi. This bug came in with the recent output path refactoring.
4) Prefer 'exit $ksft_xfail' over 'exit $ksft_skip' when we fail to
trigger a nat race condition to exercise the clash resolution path in
selftest infra, $ksft_skip should be reserved for missing tooling,
From myself.
* tag 'nf-25-12-10' of https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf:
selftests: netfilter: prefer xfail in case race wasn't triggered
netfilter: always set route tuple out ifindex
ipvs: fix ipv4 null-ptr-deref in route error path
netfilter: nf_conncount: fix leaked ct in error paths
====================
Link: https://patch.msgid.link/20251210110754.22620-1-fw@strlen.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Petr Machata says:
====================
selftests: forwarding: vxlan_bridge_1q_mc_ul: Fix flakiness
The net/forwarding/vxlan_bridge_1q_mc_ul selftest runs an overlay traffic,
forwarded over a multicast-routed VXLAN underlay. In order to determine
whether packets reach their intended destination, it uses a TC match. For
convenience, it uses a flower match, which however does not allow matching
on the encapsulated packet. So various service traffic ends up being
indistinguishable from the test packets, and ends up confusing the test. To
alleviate the problem, the test uses sleep to allow the necessary service
traffic to run and clear the channel, before running the test traffic. This
worked for a while, but lately we have nevertheless seen flakiness of the
test in the CI.
In this patchset, first generalize tc_rule_stats_get() to support u32 in
patch #1, then in patch #2 convert the test to use u32 to allow parsing
deeper into the packet, and in #3 drop the now-unnecessary sleep.
====================
Link: https://patch.msgid.link/cover.1765289566.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
After fixing traffic matching in the previous patch, the test does not need
to use the sleep anymore. So drop vx_wait() altogether, migrate all callers
of vx{10,20}_create_wait() to the corresponding _create(), and drop the now
unused _create_wait() helpers.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Link: https://patch.msgid.link/eabfe4fa12ae788cf3b8c5c876a989de81dfc3d3.1765289566.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This test runs an overlay traffic, forwarded over a multicast-routed VXLAN
underlay. In order to determine whether packets reach their intended
destination, it uses a TC match. For convenience, it uses a flower match,
which however does not allow matching on the encapsulated packet. So
various service traffic ends up being indistinguishable from the test
packets, and ends up confusing the test. To alleviate the problem, the test
uses sleep to allow the necessary service traffic to run and clear the
channel, before running the test traffic. This worked for a while, but
lately we have nevertheless seen flakiness of the test in the CI.
Fix the issue by using u32 to match the encapsulated packet as well. The
confusing packets seem to always be IPv6 multicast listener reports.
Realistically they could be ARP or other ICMP6 traffic as well. Therefore
look for ethertype IPv4 in the IPv4 traffic test, and for IPv6 / UDP
combination in the IPv6 traffic test.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Link: https://patch.msgid.link/6438cb1613a2a667d3ff64089eb5994778f247af.1765289566.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Flower is commonly used to match on packets in many bash-based selftests.
A dump of a flower filter including statistics looks something like this:
[
{
"protocol": "all",
"pref": 49152,
"kind": "flower",
"chain": 0
},
{
...
"options": {
...
"actions": [
{
...
"stats": {
"bytes": 0,
"packets": 0,
"drops": 0,
"overlimits": 0,
"requeues": 0,
"backlog": 0,
"qlen": 0
}
}
]
}
}
]
The JQ query in the helper function tc_rule_stats_get() assumes this form
and looks for the second element of the array.
However, a dump of a u32 filter looks like this:
[
{
"protocol": "all",
"pref": 49151,
"kind": "u32",
"chain": 0
},
{
"protocol": "all",
"pref": 49151,
"kind": "u32",
"chain": 0,
"options": {
"fh": "800:",
"ht_divisor": 1
}
},
{
...
"options": {
...
"actions": [
{
...
"stats": {
"bytes": 0,
"packets": 0,
"drops": 0,
"overlimits": 0,
"requeues": 0,
"backlog": 0,
"qlen": 0
}
}
]
}
},
]
There's an extra element which the JQ query ends up choosing.
Instead of hard-coding a particular index, look for the entry on which a
selector .options.actions yields anything.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Link: https://patch.msgid.link/12982a44471c834511a0ee6c1e8f57e3a5307105.1765289566.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
When building without CONFIG_PM_SLEEP, there are several warnings (or
errors with CONFIG_WERROR=y / W=e) from the cix-ipbloq driver:
sound/hda/controllers/cix-ipbloq.c:378:12: error: 'cix_ipbloq_hda_runtime_resume' defined but not used [-Werror=unused-function]
378 | static int cix_ipbloq_hda_runtime_resume(struct device *dev)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
sound/hda/controllers/cix-ipbloq.c:362:12: error: 'cix_ipbloq_hda_runtime_suspend' defined but not used [-Werror=unused-function]
362 | static int cix_ipbloq_hda_runtime_suspend(struct device *dev)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
sound/hda/controllers/cix-ipbloq.c:349:12: error: 'cix_ipbloq_hda_resume' defined but not used [-Werror=unused-function]
349 | static int cix_ipbloq_hda_resume(struct device *dev)
| ^~~~~~~~~~~~~~~~~~~~~
sound/hda/controllers/cix-ipbloq.c:336:12: error: 'cix_ipbloq_hda_suspend' defined but not used [-Werror=unused-function]
336 | static int cix_ipbloq_hda_suspend(struct device *dev)
| ^~~~~~~~~~~~~~~~~~~~~~
When CONFIG_PM and CONFIG_PM_SLEEP are unset, SET_SYSTEM_SLEEP_PM_OPS()
and SET_RUNTIME_PM_OPS() evaluate to nothing, so these functions appear
unused to the compiler in this configuration.
Use the modern SYSTEM_SLEEP_PM_OPS and RUNTIME_PM_OPS macros to resolve
these warnings, which is what they are intended to do. Additionally,
wrap &cix_ipbloq_hda_pm in pm_ptr() to ensure the compiler can drop the
entire structure when CONFIG_PM is unset.
Fixes: d91e9bd101 ("ALSA: hda: add CIX IPBLOQ HDA controller support")
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Link: https://patch.msgid.link/20251211-hda-cix-ipbloq-modern-pm-ops-v1-1-c7a5580af021@kernel.org
Signed-off-by: Takashi Iwai <tiwai@suse.de>
A small pile of fixes that came in during the merge window, it's all
fairly standard device specific stuff.
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Merge tag 'asoc-fix-v6.19-merge-window' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v6.19
A small pile of fixes that came in during the merge window, it's all
fairly standard device specific stuff.
These definitions are already in common/smb2pdu.h, so remove the duplicated
ones from the client.
Co-developed-by: ChenXiaoSong <chenxiaosong@kylinos.cn>
Signed-off-by: ChenXiaoSong <chenxiaosong@kylinos.cn>
Signed-off-by: ZhangGuoDong <zhangguodong@kylinos.cn>
Signed-off-by: Steve French <stfrench@microsoft.com>
These definitions are specified in MS-FSCC 2.6, so move them into fscc.h.
Modify the following places:
- FILE_ATTRIBUTE__MASK -> FILE_ATTRIBUTE_MASK
- Update FILE_ATTRIBUTE_MASK value
- cpu_to_le32(constant) -> cpu_to_le32(MACRO DEFINITION)
Signed-off-by: ChenXiaoSong <chenxiaosong@kylinos.cn>
Signed-off-by: Steve French <stfrench@microsoft.com>
Add the missing field to the structure (see MS-FSCC 2.3.9.2), and correct
the section number in the documentation reference.
Signed-off-by: ChenXiaoSong <chenxiaosong@kylinos.cn>
Signed-off-by: Steve French <stfrench@microsoft.com>
fix deadlock when reloading a multipath table
don't warn if IMA_DISABLE_HTABLE is not enabled
test for REQ_ATOMIC in dm_accept_partial_bio()
ignore discard return value
MAINTAINERS: add Benjamin Marzinski as a device mapper maintainer
dm-bufio: align write boundary on physical block size
dm-crypt: use the MD5 library directly
dm-crypt: use folio_nr_pages() instead of shift operation
dm-crypt: enable DM_TARGET_ATOMIC_WRITES
dm-verity: remove log message with shash driver name
dm-verity: use the SHA-256 library directly
dm-verity: use 2-way interleaved SHA-256 hashing when supported
dm-verity: expose corrected block count via status
dm-verity: disable recursive forward error correction
dm-verity: remove useless mempool
dm-mpath: enable DM_TARGET_ATOMIC_WRITES
dm-mpath: simplify the setup_scsi_dh code
dm-ebs: mark full buffer dirty even on partial write
dm-vdo: fix kerneldoc warnings
dm-snapshot: fix 'scheduling while atomic' on real-time kernels
dm-raid: fix possible NULL dereference with undefined raid type
dm raid: add documentation for takeover/reshape raid1 -> raid5 table line examples
dm-log-writes: add missing set_freezable() for freezable kthread
dm-pcache: fixes in indexing code
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Merge tag 'for-6.19/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper updates from Mikulas Patocka:
- convert crypto_shash users to direct crypto library use with simpler
and faster code and reduced stack usage (Eric Biggers):
- the dm-verity SHA-256 conversion also teaches it to do two-way
interleaved hashing for added performance
- dm-crypt MD5 conversion (used for Loop-AES compatibility)
- added document for for takeover/reshape raid1 -> raid5 examples (Heinz Mauelshagen)
- fix dm-vdo kerneldoc warnings (Matthew Sakai)
- various random fixes and cleanups
* tag 'for-6.19/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: (29 commits)
dm pcache: fix segment info indexing
dm pcache: fix cache info indexing
dm-pcache: advance slot index before writing slot
dm raid: add documentation for takeover/reshape raid1 -> raid5 table line examples
dm log-writes: Add missing set_freezable() for freezable kthread
dm-raid: fix possible NULL dereference with undefined raid type
dm-snapshot: fix 'scheduling while atomic' on real-time kernels
dm: ignore discard return value
MAINTAINERS: add Benjamin Marzinski as a device mapper maintainer
dm-mpath: Simplify the setup_scsi_dh code
dm vdo: fix kerneldoc warnings
dm-bufio: align write boundary on physical block size
dm-crypt: enable DM_TARGET_ATOMIC_WRITES
dm: test for REQ_ATOMIC in dm_accept_partial_bio()
dm-verity: remove useless mempool
dm-verity: disable recursive forward error correction
dm-ebs: Mark full buffer dirty even on partial write
dm mpath: enable DM_TARGET_ATOMIC_WRITES
dm verity fec: Expose corrected block count via status
dm: Don't warn if IMA_DISABLE_HTABLE is not enabled
...
A few small fixes for SPI that came in during the merge window, nothing
too exciting here.
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Merge tag 'spi-fix-v6.19-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"A few small fixes for SPI that came in during the merge window,
nothing too exciting here"
* tag 'spi-fix-v6.19-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: microchip-core: Fix an error handling path in mchp_corespi_probe()
spi: cadence-qspi: Fix runtime PM imbalance in probe
A few fixes that came in during the merge window, nothing too exciting -
the one core fix improves error propagation from gpiolib which hopefully
shouldn't actually happen but is safer.
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Merge tag 'regulator-fix-v6.19-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fixes from Mark Brown:
"A few fixes that came in during the merge window, nothing too
exciting - the one core fix improves error propagation from gpiolib
which hopefully shouldn't actually happen but is safer"
* tag 'regulator-fix-v6.19-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: spacemit: Align input supply name with the DT binding
regulator: fixed: Rely on the core freeing the enable GPIO
regulator: check the return value of gpiod_set_value_cansleep()
The new memfd code fails to link without SHMEM:
aarch64-linux-ld: mm/memfd_luo.o: in function `memfd_luo_retrieve_folios':
memfd_luo.c:(.text.memfd_luo_retrieve_folios+0xdc): undefined reference to `shmem_add_to_page_cache'
memfd_luo.c:(.text.memfd_luo_retrieve_folios+0x11c): undefined reference to `shmem_inode_acct_blocks'
memfd_luo.c:(.text.memfd_luo_retrieve_folios+0x134): undefined reference to `shmem_recalc_inode'
Add a Kconfig dependency to disallow that configuration.
Link: https://lkml.kernel.org/r/20251204100203.1034394-1-arnd@kernel.org
Fixes: b3749f174d ("mm: memfd_luo: allow preserving memfd")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Pratyush Yadav <pratyush@kernel.org>
Acked-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Reviewed-by: Pasha Tatashin <pasha.tatashin@soleen.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
The newly added 'flags' variable is unused and causes a warning if
CONFIG_SHMEM is disabled, since the shmem_acct_size() macro it is passed
into does nothing:
mm/shmem.c: In function '__shmem_file_setup':
mm/shmem.c:5816:23: error: unused variable 'flags' [-Werror=unused-variable]
5816 | unsigned long flags = (vm_flags & VM_NORESERVE) ? SHMEM_F_NORESERVE : 0;
| ^~~~~
Replace the two macros with equivalent inline functions to get the
argument checking.
Link: https://lkml.kernel.org/r/20251204102905.1048000-1-arnd@kernel.org
Fixes: 6ff1610ced ("mm: shmem: use SHMEM_F_* flags instead of VM_* flags")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: David Hildenbrand (Red Hat) <david@kernel.org>
Acked-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Reviewed-by: Baolin Wang <baolin.wang@linux.alibaba.com>
Reviewed-by: Pratyush Yadav <pratyush@kernel.org>
Reviewed-by: Pasha Tatashin <pasha.tatashin@soleen.com>
Cc: Christian Brauner <brauner@kernel.org>
Cc: guoweikang <guoweikang.kernel@gmail.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Kairui Song <kasong@tencent.com>
Cc: Kemeng Shi <shikemeng@huaweicloud.com>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
In 'ocfs2_merge_rec_left()', do not reset 'left_path' to NULL after
move, thus allowing 'ocfs2_free_path()' to free it before return.
Link: https://lkml.kernel.org/r/20251205065159.392749-1-dmantipov@yandex.ru
Fixes: 677b975282 ("ocfs2: Add support for cross extent block")
Signed-off-by: Dmitry Antipov <dmantipov@yandex.ru>
Reported-by: syzbot+cfc7cab3bb6eaa7c4de2@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=cfc7cab3bb6eaa7c4de2
Reviewed-by: Heming Zhao <heming.zhao@suse.com>
Acked-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Changwei Ge <gechangwei@live.cn>
Cc: Jun Piao <piaojun@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
A panic occurs in ocfs2_unlink due to WARN_ON(inode->i_nlink == 0) when
handling a corrupted inode with i_mode=0 and i_nlink=0 in memory.
This "zombie" inode is created because ocfs2_read_locked_inode proceeds
even after ocfs2_validate_inode_block successfully validates a block that
structurally looks okay (passes checksum, signature etc.) but contains
semantically invalid data (specifically i_mode=0). The current validation
function doesn't check for i_mode being zero.
This results in an in-memory inode with i_mode=0 being added to the VFS
cache, which later triggers the panic during unlink.
Prevent this by adding an explicit check for (i_mode == 0, i_nlink == 0,
non-orphan) within ocfs2_validate_inode_block. If the check is true,
return -EFSCORRUPTED to signal corruption. This causes the caller
(ocfs2_read_locked_inode) to invoke make_bad_inode(), correctly preventing
the zombie inode from entering the cache.
Link: https://lkml.kernel.org/r/20251202224507.53452-2-eraykrdg1@gmail.com
Co-developed-by: Albin Babu Varghese <albinbabuvarghese20@gmail.com>
Signed-off-by: Albin Babu Varghese <albinbabuvarghese20@gmail.com>
Signed-off-by: Ahmet Eray Karadag <eraykrdg1@gmail.com>
Reported-by: syzbot+55c40ae8a0e5f3659f2b@syzkaller.appspotmail.com
Fixes: https://syzkaller.appspot.com/bug?extid=55c40ae8a0e5f3659f2b
Link: https://lore.kernel.org/all/20251022222752.46758-2-eraykrdg1@gmail.com/T/
Reviewed-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Cc: David Hunter <david.hunter.linux@gmail.com>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Changwei Ge <gechangwei@live.cn>
Cc: Jun Piao <piaojun@huawei.com>
Cc: Heming Zhao <heming.zhao@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
-Wflex-array-member-not-at-end was introduced in GCC-14, and we are
getting ready to enable it, globally.
Use the new TRAILING_OVERLAP() helper to fix the following warning:
fs/ocfs2/xattr.c:52:41: warning: structure containing a flexible array member is not at the end of another structure [-Wflex-array-member-not-at-end]
This helper creates a union between a flexible-array member (FAM) and a
set of MEMBERS that would otherwise follow it.
This overlays the trailing MEMBER struct ocfs2_extent_rec er; onto the FAM
struct ocfs2_xattr_value_root::xr_list.l_recs[], while keeping the FAM and
the start of MEMBER aligned.
The static_assert() ensures this alignment remains, and it's intentionally
placed inmediately after the related structure --no blank line in between.
Link: https://lkml.kernel.org/r/aRKm_7aN7Smc3J5L@kspp
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Reviewed-by: Heming Zhao <heming.zhao@suse.com>
Acked-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Changwei Ge <gechangwei@live.cn>
Cc: Jun Piao <piaojun@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Now that the centralized `ocfs2_emergency_state()` helper is available,
refactor remaining filesystem-wide checks for `ocfs2_is_soft_readonly` and
`ocfs2_is_hard_readonly` to use this new function.
To ensure strict consistency with the previous behavior and guarantee no
functional changes, the call sites continue to explicitly return -EROFS
when the emergency state is detected. This standardizes the check logic
while preserving the existing error handling flow.
Link: https://lkml.kernel.org/r/3421641b54ad6b6e4ffca052351b518eacc1bd08.1764728893.git.eraykrdg1@gmail.com
Co-developed-by: Albin Babu Varghese <albinbabuvarghese20@gmail.com>
Signed-off-by: Albin Babu Varghese <albinbabuvarghese20@gmail.com>
Signed-off-by: Ahmet Eray Karadag <eraykrdg1@gmail.com>
Reviewed-by: Heming Zhao <heming.zhao@suse.com>
Reviewed-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Cc: Changwei Ge <gechangwei@live.cn>
Cc: David Hunter <david.hunter.linux@gmail.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Jun Piao <piaojun@huawei.com>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Mark Fasheh <mark@fasheh.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Patch series "ocfs2: Refactor read-only checks to use
ocfs2_emergency_state", v4.
Following the fix for the `make_bad_inode` validation failure (syzbot ID:
b93b65ee321c97861072), this separate series introduces a new helper
function, `ocfs2_emergency_state()`, to improve and centralize read-only
and error state checking.
This is modeled after the `ext4_emergency_state()` pattern, providing a
single, unified location for checking all filesystem-level emergency
conditions. This makes the code cleaner and ensures that any future
checks (e.g., for fatal error states) can be added in one place.
This series is structured as follows:
1. The first patch introduces the `ocfs2_emergency_state()` helper
(currently checking for -EROFS) and applies it to `ocfs2_setattr`
to provide a "fail-fast" mechanism, as suggested by Albin
Babu Varghese.
2. The second patch completes the refactoring by converting all
remaining read-only checks throughout OCFS2 to use this new helper.
This patch (of 2):
To centralize error checking, follow the pattern of other filesystems like
ext4 (which uses `ext4_emergency_state()`), and prepare for future
enhancements, this patch introduces a new helper function:
`ocfs2_emergency_state()`.
The purpose of this helper is to provide a single, unified location for
checking all filesystem-level emergency conditions. In this initial
implementation, the function only checks for the existing hard and soft
read-only modes, returning -EROFS if either is set.
This provides a foundation where future checks (e.g., for fatal error
states returning -EIO, or shutdown states) can be easily added in one
place.
This patch also adds this new check to the beginning of `ocfs2_setattr()`.
This ensures that operations like `ftruncate` (which triggered the
original BUG) fail-fast with -EROFS when the filesystem is already in a
read-only state.
Link: https://lkml.kernel.org/r/cover.1764728893.git.eraykrdg1@gmail.com
Link: https://lkml.kernel.org/r/e9e975bcaaff8dbc155b70fbc1b2798a2e36e96f.1764728893.git.eraykrdg1@gmail.com
Co-developed-by: Albin Babu Varghese <albinbabuvarghese20@gmail.com>
Signed-off-by: Albin Babu Varghese <albinbabuvarghese20@gmail.com>
Signed-off-by: Ahmet Eray Karadag <eraykrdg1@gmail.com>
Suggested-by: Heming Zhao <heming.zhao@suse.com>
Reviewed-by: Heming Zhao <heming.zhao@suse.com>
Reviewed-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Changwei Ge <gechangwei@live.cn>
Cc: Jun Piao <piaojun@huawei.com>
Cc: David Hunter <david.hunter.linux@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Uinitialized pointers with __free attribute can cause undefined behavior
as the memory randomly assigned to the pointer is freed automatically when
the pointer goes out of scope. add check in checkpatch to detect such
issues.
Link: https://lkml.kernel.org/r/20251203-aheev-checkpatch-uninitialized-free-v7-1-841e3b31d8f3@gmail.com
Signed-off-by: Ally Heev <allyheev@gmail.com>
Suggested-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/all/8a4c0b43-cf63-400d-b33d-d9c447b7e0b9@suswa.mountain/
Link: https://lore.kernel.org/all/58fd478f408a34b578ee8d949c5c4b4da4d4f41d.camel@HansenPartnership.com/
Acked-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Joe Perches <joe@perches.com>
Cc: Andy Whitcroft <apw@canonical.com>
Cc: David Hunter <david.hunter.linux@gmail.com>
Cc: Dwaipayan Ray <dwaipayanray1@gmail.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: James Bottomley <james.bottomley@HansenPartnership.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Cc: Menon, Nishanth <nm@ti.com>
Cc: Stephen Boyd <sboyd@kernel.org>
Cc: Viresh Kumar <vireshk@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
The macro uses up to 15 arguments. Reflect this in the top level comment.
Link: https://lkml.kernel.org/r/20251201201018.765475-1-andriy.shevchenko@linux.intel.com
Fixes: d51e783c17 ("lsm: count the LSMs enabled at compile time")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
