Triggers are now delayed from freeing, but can still be triggered until
after the RCU grace period has ended. The freeing of the enable_event data
is put into the private_data_free() callback, but the put of the module
refcount is done immediately.
It is possible that if a module is removed that has an event that would
enable (or disable) it is still active, it can read the data of the module
after it is removed causing a use-after-free bug.
Move the trace_event_put_ref() that releases the module into the delayed
callback so that the module can not be removed until any reference to its
events are finished.
Cc: stable@vger.kernel.org
Link: https://patch.msgid.link/20260724132415.1b5005db@gandalf.local.home
Reported-by: Sashiko <sashiko-bot@kernel.org>
Link: https://sashiko.dev/#/patchset/20260724030523.19081-1-devnexen%40gmail.com
Fixes: 61d445af0a ("tracing: Add bulk garbage collection of freeing event_trigger_data")
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Commit 61d445af0a ("tracing: Add bulk garbage collection of freeing
event_trigger_data") moved the kfree() of event_trigger_data to a kthread
that runs tracepoint_synchronize_unregister() before freeing. That removed
the synchronization the trigger .free callbacks used to get implicitly and
inline from trigger_data_free().
event_hist_trigger_free(), event_hist_trigger_named_free() and
event_enable_trigger_free() free their satellite data (hist_data, cmd_ops,
enable_data) right after trigger_data_free() returns. With the
synchronization now deferred to the kthread, a concurrent tracepoint
handler can still reach that data through the list_del_rcu()'d trigger,
causing a use-after-free.
The histogram teardown must stay synchronous: remove_hist_vars() and
unregister_field_var_hists() have to detach a synthetic event from the
histogram before the trigger-removal write returns, otherwise a following
command races in and the synthetic-event removal fails with -EBUSY, as the
trigger-synthetic-eprobe.tc selftest catches. Make those callbacks wait
with the correct barrier - tracepoint_synchronize_unregister(), matching
the free kthread - before freeing.
The enable trigger has no such synchronous requirement, and a blocking
synchronize there would re-serialize the path that commit deliberately
deferred. Give it an optional private_data_free() callback that the free
kthread runs after its grace period, and free enable_data from there.
Link: https://patch.msgid.link/20260724030523.19081-1-devnexen@gmail.com
Suggested-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Suggested-by: Steven Rostedt <rostedt@goodmis.org>
Fixes: 61d445af0a ("tracing: Add bulk garbage collection of freeing event_trigger_data")
Signed-off-by: David Carlier <devnexen@gmail.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Maciej Fijalkowski says:
====================
xsk: fix AF_XDP multi-buffer Tx descriptor reclaim
This series fixes several AF_XDP multi-buffer Tx paths where descriptors
consumed from the Tx ring are not consistently returned to userspace
through the completion ring when the packet is later dropped as invalid.
The affected cases are invalid or oversized multi-buffer Tx packets in
both the generic and zero-copy paths. In these cases, the kernel can
consume one or more Tx descriptors while building or validating a
multi-buffer packet, then drop the packet before it reaches the device.
Userspace still owns the UMEM buffers only after the corresponding
addresses are returned through the CQ. Missing completions therefore
make userspace lose track of those buffers.
The generic path fixes cover following related cases:
* partially built multi-buffer skbs dropped by xsk_drop_skb();
continuation descriptors left in the Tx ring after xsk_build_skb()
reports overflow;
* invalid descriptors encountered in the middle of a multi-buffer
packet, including the offending invalid descriptor itself.
The zero-copy path is handled separately. The batched Tx parser now
distinguishes descriptors that can be passed to the driver from
descriptors that are consumed only because they belong to an invalid
multi-buffer packet. Reclaim-only descriptors are written to the CQ
address area and published in completion order, after any earlier
driver-visible Tx descriptors.
The last two patches update xskxceiver so the tests account invalid
multi-buffer Tx packets as descriptors that must be reclaimed, while
still not expecting those invalid packets on the Rx side.
This is a follow-up to Jason's changes [0] which were addressing generic
xmit only and this set allows me to pass full xskxceiver test suite run
against ice driver.
====================
Link: https://patch.msgid.link/20260719135609.147823-1-maciej.fijalkowski@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Invalid Tx descriptors are now returned through the completion ring,
regardless of whether they form a standalone packet or belong to an
invalid multi-buffer packet.
The selftests previously counted only descriptors belonging to valid
packets, with a special exception for some invalid multi-buffer packets
in verbatim streams. This undercounts completion entries when a
standalone invalid descriptor or another invalid packet is reclaimed by
the kernel.
Keep valid_pkts as the number of packets expected on the Rx side, but
count every descriptor submitted to the Tx ring in valid_frags, as every
such descriptor is now expected to be returned through the completion
ring.
Make fragment counting in verbatim mode follow the packet boundary
instead of stopping at the first invalid fragment. Update custom stream
generation so an invalid middle fragment terminates the generated Rx
packet while Tx completion accounting still covers the complete invalid
packet.
Also add explicit end fragments after invalid middle descriptors. This
exercises the kernel drain logic and verifies that subsequent valid
packets are not interpreted as continuations of the invalid packet.
Reviewed-by: Jason Xing <kernelxing@tencent.com>
Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
Link: https://patch.msgid.link/20260719135609.147823-7-maciej.fijalkowski@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The too-many-frags test describes a packet that is valid from the Tx
ring ownership point of view, but invalid for transmission because it
exceeds the supported number of fragments.
Keep the generated Tx descriptors valid so that __send_pkts() accounts
them as outstanding descriptors that must be reclaimed through the CQ.
Then mark the corresponding Rx packet invalid so the test still does
not expect the oversized packet to appear on the receive side.
Add a valid synchronization packet after the oversized packet so the
test can verify that the Tx path drains the bad packet and resumes at
the next packet boundary.
Reviewed-by: Jason Xing <kernelxing@tencent.com>
Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
Link: https://patch.msgid.link/20260719135609.147823-6-maciej.fijalkowski@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The zero-copy Tx batch parser stops when it encounters an invalid
descriptor. If this happens after one or more continuation descriptors,
the Tx consumer can be advanced past fragments that are neither submitted
to the driver nor returned to userspace through the completion ring.
A similar problem occurs when a packet exceeds xdp_zc_max_segs. The
descriptors consumed up to the limit are released without completion, and
the remaining continuation descriptors can subsequently be interpreted
as the beginning of another packet.
Parse Tx batches in packet units and distinguish descriptors belonging to
complete valid packets from descriptors consumed while draining an
invalid or oversized packet. Return the former to the driver and append
the latter to the CQ address area so userspace can reclaim their UMEM
frames.
Treat a standalone invalid descriptor as a one-descriptor reclaim-only
packet. Advancing the Tx-ring consumer releases the ring slot, but does
not by itself return ownership of the referenced UMEM frame to userspace.
Once draining starts, continue until the packet's end-of-packet
descriptor is consumed. Preserve the drain state on the socket when EOP
has not yet been supplied, so draining can continue during a later call.
Leave incomplete but otherwise valid packets on the Tx ring.
Shared-UMEM pools using multi-buffer Tx also need packet-framed parsing.
Walk their Tx sockets one packet at a time, preserving the existing
per-socket fairness scheme, instead of using the legacy one-descriptor
fallback. Keep that fallback for shared pools that do not use
multi-buffer Tx. Since the drain state is maintained per socket and both
the singular and shared paths can resume an interrupted drain, changing
the socket list from singular to shared requires no special bind-time
transition.
CQ entries are positional, and drivers may complete only part of the Tx
work returned by xsk_tx_peek_release_desc_batch(). Therefore, reclaim-only
entries cannot be published immediately when earlier driver-visible
descriptors are still outstanding.
Track the number of driver-visible CQ entries preceding the reclaim
entries. Let xsk_tx_completed() publish partial hardware Tx completions,
and publish the reclaim entries only after every earlier Tx descriptor
has completed. Complete a reclaim-only batch immediately when there is no
driver-visible work in front of it, and prevent another Tx batch from
being appended while reclaim entries remain pending.
Also cap batch processing by the size of the pool's temporary descriptor
array, as Tx rings belonging to sockets sharing a UMEM may have different
sizes.
This ensures that every invalid Tx descriptor consumed by the ZC batch
path is either submitted to the driver as part of a valid packet or
returned to userspace without violating CQ completion ordering.
Reviewed-by: Jason Xing <kernelxing@tencent.com>
Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
Fixes: cf24f5a5fe ("xsk: add support for AF_XDP multi-buffer on Tx path")
Link: https://patch.msgid.link/20260719135609.147823-5-maciej.fijalkowski@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The temporary Tx descriptor array in an XSK buffer pool is currently
sized from the Tx ring of the socket that creates the pool.
This is insufficient for shared-UMEM Tx. A later socket may have a
larger Tx ring and submit a valid multi-buffer packet containing more
descriptors than the first socket's ring, while still remaining within
the device's xdp_zc_max_segs limit.
A packet-framed batch parser bounded by the temporary array cannot reach
the end-of-packet descriptor in that case. It leaves the packet on the
Tx ring and encounters the same packet on every subsequent attempt,
stalling Tx processing for that socket.
Size the temporary descriptor array to the larger of the first Tx ring
and the device's xdp_zc_max_segs capability. This keeps the array large
enough to inspect one maximum-sized valid packet. Larger shared Tx rings
do not require further resizing, as they can be processed over multiple
batches.
Following commit will actually address the data path side.
Fixes: d558196604 ("xsk: support ZC Tx multi-buffer in batch API")
Reviewed-by: Jason Xing <kernelxing@tencent.com>
Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
Link: https://patch.msgid.link/20260719135609.147823-4-maciej.fijalkowski@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This patch is inspired by the check[1] from sashiko. It says when
overflow happens, the address of cq to be published is invalid.
Actually the severer thing is the whole process of publishing the
address of cq in this particular case is not right: it should truely
publish the address and advance the cached_prod in cq as long as it
reads descriptors from txq.
The following is the full analysis.
xsk_drop_skb() is called in three places, which all discard a partially
built multi-buffer skb:
1) xsk_build_skb() -EOVERFLOW error path: packet exceeds MAX_SKB_FRAGS
2) __xsk_generic_xmit() post-loop cleanup: an invalid descriptor in
the TX ring prevents the partial packet from completing
3) xsk_release(): socket close while xs->skb holds an incomplete packet
In all three cases, the TX descriptors for the already-processed frags
have been consumed from the TX ring (xskq_cons_release), and CQ slots
have been reserved. However, xsk_drop_skb() calls xsk_consume_skb()
which cancels the CQ reservations via xsk_cq_cancel_locked(). Since
the buffer addresses never appear in the completion queue, userspace
permanently loses track of these buffers.
Fix this by letting consume_skb() trigger the existing xsk_destruct_skb
destructor, which already submits buffer addresses to the CQ via
xsk_cq_submit_addr_locked().
Note that cancelling the descriptors back to the TX ring (via
xskq_cons_cancel_n) is not a appropriate option because an oversized
packet that always exceeds MAX_SKB_FRAGS would be retried indefinitely,
which is an obviously deadlock bug in the TX path.
Also move the desc->addr assignment in xsk_build_skb() above the
overflow check so that the current descriptor's address is recorded
before a potential -EOVERFLOW jump to free_err, consistent with the
zerocopy path in xsk_build_skb_zerocopy().
[1]: https://lore.kernel.org/all/20260425041726.85FB3C2BCB2@smtp.kernel.org/
Fixes: cf24f5a5fe ("xsk: add support for AF_XDP multi-buffer on Tx path")
Acked-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Signed-off-by: Jason Xing <kernelxing@tencent.com>
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
Link: https://patch.msgid.link/20260719135609.147823-2-maciej.fijalkowski@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add a regression test for the unix_listen() state check. The key case is
listen() on a bound socket that has already been connected: it is no
longer in TCP_CLOSE or TCP_LISTEN, so it must fail with EINVAL. A
prepare_peercred() call slipped in ahead of that check once left err at 0
and made listen() silently succeed there instead; this guards against a
repeat.
The neighbouring outcomes are covered too so they cannot regress the same
way: a bound socket in TCP_CLOSE listens fine, calling listen() again on a
socket already in TCP_LISTEN is allowed, and an unbound socket fails with
EINVAL.
Each case runs for both listenable socket types (SOCK_STREAM and
SOCK_SEQPACKET) and both pathname and abstract addresses.
Fixes: fd0a109a0f ("net, pidfs: prepare for handing out pidfds for reaped sk->sk_peer_pid")
Signed-off-by: John Ericson <mail@johnericson.me>
Link: https://patch.msgid.link/20260718182903.2295560-2-John.Ericson@Obsidian.Systems
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Commit fd0a109a0f ("net, pidfs: prepare for handing out pidfds for
reaped sk->sk_peer_pid") inserted a prepare_peercred() call between err
= -EINVAL and the socket-state check in unix_listen(). Since
prepare_peercred() leaves err at 0 on success, listen() on an AF_UNIX
socket that is not in TCP_CLOSE or TCP_LISTEN state (e.g. one that is
already connected) now silently returns success without doing anything,
instead of failing with EINVAL as it did before.
Fixes: fd0a109a0f ("net, pidfs: prepare for handing out pidfds for reaped sk->sk_peer_pid")
Signed-off-by: John Ericson <mail@johnericson.me>
Link: https://patch.msgid.link/20260718182903.2295560-1-John.Ericson@Obsidian.Systems
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
tcp_bpf_sendmsg() keeps msg_tx across sk_stream_wait_memory(), which
drops and reacquires the socket lock. Its error path tries to decide
whether msg_tx names the local temporary message by comparing it with
the current value of psock->cork.
This comparison is unsafe when two threads send on the same socket:
Thread A Thread B
msg_tx = psock->cork
sk_msg_alloc() fails
sk_stream_wait_memory()
releases the socket lock acquires the socket lock
completes the cork
psock->cork = NULL
frees the cork
reacquires the socket lock
msg_tx != psock->cork
sk_msg_free(msg_tx)
The stale cork is therefore mistaken for the local temporary message
and freed again. KASAN reported:
BUG: KASAN: slab-use-after-free in sk_msg_free+0x49/0x50
Read of size 4 at addr ffff88810c908800 by task poc/90
Call Trace:
sk_msg_free+0x49/0x50
tcp_bpf_sendmsg+0x14f5/0x1cc0
__sys_sendto+0x32c/0x3a0
__x64_sys_sendto+0xdb/0x1b0
Allocated by task 89:
__kasan_kmalloc+0x8f/0xa0
tcp_bpf_sendmsg+0x16b3/0x1cc0
Freed by task 91:
__kasan_slab_free+0x43/0x70
kfree+0x131/0x3c0
tcp_bpf_sendmsg+0xec3/0x1cc0
msg_tx can only name the stack-local tmp or the shared cork. Check for
tmp directly so a changed psock->cork cannot turn a shared message into
an apparent local one.
Fixes: 604326b41a ("bpf, sockmap: convert to generic sk_msg interface")
Signed-off-by: Chengfeng Ye <nicoyip.dev@gmail.com>
Reviewed-by: Emil Tsalapatis <emil@etsalapatis.com>
Reviewed-by: Jakub Sitnicki <jakub@cloudflare.com>
Link: https://lore.kernel.org/bpf/87fr18lmzo.fsf%40cloudflare.com/
Link: https://lore.kernel.org/netdev/20260719161630.2901208-1-nicoyip.dev%40gmail.com/ [v1]
Link: https://patch.msgid.link/20260724103856.3399001-1-nicoyip.dev@gmail.com
Signed-off-by: Eduard Zingerman <eddyz87@gmail.com>
nh_rt_cache_flush() walks nh->f6i_list during an RTNL-serialized nexthop
replace without holding nh->lock, racing the unlocked IPv6 route
add/delete that mutate the list under nh->lock and free fib6_info
entries (nh_rt_cache_flush() is inlined into rtm_new_nexthop()):
BUG: KASAN: slab-use-after-free in nh_rt_cache_flush (net/ipv4/nexthop.c:2243)
Read of size 8 at addr ffff888012953e18 by task exploit/146
nh_rt_cache_flush (net/ipv4/nexthop.c:2243)
replace_nexthop (net/ipv4/nexthop.c:2610)
rtm_new_nexthop (net/ipv4/nexthop.c:3323)
rtnetlink_rcv_msg (net/core/rtnetlink.c:7076)
Unlike the other f6i_list walks, this one bumps each route's sernum via
fib6_update_sernum_upto_root(), which needs tb6_lock; taking nh->lock
around it would invert the established tb6_lock -> nh->lock order and
deadlock. As the only purpose is to invalidate cached dsts, bump the
IPv6 sernum for the whole netns with rt_genid_bump_ipv6() instead,
mirroring the rt_cache_flush() already done for IPv4 just above.
Fixes: 081efd1832 ("ipv6: Protect nh->f6i_list with spinlock and flag.")
Reported-by: AutonomousCodeSecurity@microsoft.com
Signed-off-by: Xiang Mei (Microsoft) <xmei5@asu.edu>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Link: https://patch.msgid.link/20260722002951.2614721-2-xmei5@asu.edu
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
fib6_check_nh_list() and __nexthop_replace_notify() walk nh->f6i_list
during an RTNL-serialized nexthop replace without holding nh->lock. IPv6
RTM_NEWROUTE/RTM_DELROUTE run without RTNL and mutate that list under
nh->lock (fib6_add_rt2node_nh(), fib6_purge_rt()), so both walks race a
concurrent route delete that unlinks and frees a fib6_info:
BUG: KASAN: slab-use-after-free in rt6_fill_node.isra.0 (net/ipv6/route.c:5799)
Read of size 4 at addr ffff888014607e64 by task exploit/143
rt6_fill_node.isra.0 (net/ipv6/route.c:5799)
fib6_rt_update (net/ipv6/route.c:6412)
__nexthop_replace_notify (net/ipv4/nexthop.c:2542)
rtm_new_nexthop (net/ipv4/nexthop.c:2554)
rtnetlink_rcv_msg (net/core/rtnetlink.c:7076)
BUG: KASAN: slab-use-after-free in fib6_check_nh_list (net/ipv4/nexthop.c:1605)
Read of size 8 at addr ffff888014a7d068 by task exploit/142
fib6_check_nh_list (net/ipv4/nexthop.c:1605)
rtm_new_nexthop (net/ipv4/nexthop.c:2575)
rtnetlink_rcv_msg (net/core/rtnetlink.c:7076)
Both walks only read the entries and take no tb6_lock, so protect them
with nh->lock; fib6_rt_update() uses gfp_any(), which returns GFP_ATOMIC
under the lock.
Fixes: 081efd1832 ("ipv6: Protect nh->f6i_list with spinlock and flag.")
Reported-by: AutonomousCodeSecurity@microsoft.com
Signed-off-by: Xiang Mei (Microsoft) <xmei5@asu.edu>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Link: https://patch.msgid.link/20260722002951.2614721-1-xmei5@asu.edu
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Pull drm fixes from Dave Airlie:
"Weekly drm pull request, small and scattered seems to be the new
normal, the ttm change is probably the largest, with xe being the
most. Alex was out this week so amdgpu is smaller and only has some
urgent fixes.
MAINTAINERS:
- update mailmap address
ttm:
- backup pages using correct order
gpusvm:
- fix mm leak on eviction
- properly zero page array in mm scanning
tests:
- fix dma mask errors in tests
panel:
- fix dependency issues
- ilitek-ili9881c - fix probing
i915:
- Remove DP_EDP_BACKLIGHT_AUX_ENABLE_CAP check for DPCD backlight
xe:
- Skip invalidation for purgeable state updates
- Add drm_dev guards when detaching CCS read / write buffers
- Alloc per domain unique i2c id
- Fix SVM leak on resv obj alloc failure in xe_vm_create
amdgpu:
- Fix a backport mistake for dm_gpureset_toggle_interrupts()
- Fix a failure on flip-done timeouts for mode1 reset
appletbdrm:
- fix issue in damage handling
amdxdna:
- fix command timeout race
imagination:
- fix gpu vm locking
vc4:
- prevent trusted bo from being mapped again
- prevent timer rearm on shutdown
v3d:
- fix NULL deref in unbind
- idle AXI before clock disable on suspend
- use proper GMP access for newer hw
vmwgfx:
- validate shader array size
ethosu:
- fix length calculations
- handle internal chaining buffers
gma500:
- return errors from HDMI i2c reads"
* tag 'drm-fixes-2026-07-25' of https://gitlab.freedesktop.org/drm/kernel: (31 commits)
drm/amd/display: Fix missing DCE check in dm_gpureset_toggle_interrupts()
drm/amd/display: Fix flip-done timeouts on mode1 reset
Revert "drm/pagemap: Guard HPAGE_PMD_ORDER use with CONFIG_ARCH_ENABLE_THP_MIGRATION"
drm/vc4: Shut down BO cache timer before teardown
drm/tests: shmem: Set DMA mask to 64-bit in drm_gem_shmem
drm/xe/vm: Fix SVM leak on resv obj alloc failure in xe_vm_create()
drm/xe/i2c: Allow per domain unique id
drm/gma500: return errors from Oaktrail HDMI I2C reads
drm/vc4: hvs/v3d: Fix null dereference in unbind
drm/panel: fix unmet dependency bug for DRM_PANEL_HIMAX_HX83121A
drm/panel: s6e3ha8: fix unmet dependency on DRM_DISPLAY_HELPER
drm/panel: ilitek-ili9882t: fix unmet dependency for DRM_PANEL_ILITEK_ILI9882T
drm/panel: ilitek-ili9881c: do not fail probe if iovcc is absent
drm/v3d: Idle AXI transactions before disabling the clock on suspend
drm/v3d: Reach the GMP through the hub registers on V3D 7.x
mailmap: Update Maíra Canal's email address
drm/pagemap: Guard HPAGE_PMD_ORDER use with CONFIG_ARCH_ENABLE_THP_MIGRATION
drm/pagemap: Clear driver-provided PFNs from migration PFN array
drm/xe/vf: Add drm_dev guards when detaching CCS read/write buffers
accel: ethosu: Handle U85 internal chaining buffer
...
Pull ceph fixes from Ilya Dryomov:
"A bunch of assorted fixes with the majority being hardening against
malformed input and invalid data scenarios that don't happen in real
deployments but can be utilized to trigger use-after-free and similar
issues, some error path leak fixups and two patches from Max to avoid
a potential hang in __ceph_get_caps() and unintended nesting of
current->journal_info while handling replies from the MDS.
All marked for stable"
* tag 'ceph-for-7.2-rc5' of https://github.com/ceph/ceph-client:
ceph: avoid fs reclaim while using current->journal_info
ceph: add owner/capability checks for CEPH_IOC_SET_LAYOUT*
ceph: fix hanging __ceph_get_caps() with stale mds_wanted
rbd: Reset positive result codes to zero in object map update path
libceph: bound pg_{temp,upmap,upmap_items} length to CEPH_PG_MAX_SIZE
libceph: refresh auth->authorizer_buf{,_len} after authorizer update
ceph: fix refcount leak in ceph_readdir()
libceph: guard missing CRUSH type name lookup
libceph: remove debugfs files before client teardown
libceph: bound get_version reply decode to front len
ceph: fix writeback_count leak in write_folio_nounlock()
libceph: fix two unsafe bare decodes in decode_lockers()
ceph: fix pre-auth out-of-bounds read on snaptrace in ceph_handle_caps()
libceph: Reject monmaps advertising zero monitors
libceph: reject zero bucket types in crush_decode
libceph: Fix multiplication overflow in decode_new_up_state_weight()
Pull fscrypt fixes from Eric Biggers:
"A couple fixes for AI-detected bugs"
* tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/linux:
fscrypt: Avoid dynamic allocation in fscrypt_get_devices()
fscrypt: Add missing superblock check in find_or_insert_direct_key()
Pull arm64 fixes from Will Deacon:
"It's a bit all over the place, as I was hoping to fix a decade-old bug
in our seccomp handling on syscall entry and ended up collecting other
fixes in the meantime. You'll see the failed attempt (+revert) here
but I didn't want to hold off on the others any longer. Hopefully
we'll get that one squashed next week...
- Fix early_ioremap() of unaligned ACPI tables
- Remove bogus information from data abort diagnostics
- Fix kprobes recursion during single-step
- Fix incorrect constant in ESR address size fault macro
- Fix OOB page-table walk in memory hot-unplug notifier
- Fix OOB access to the linear map when retrieving an unaligned huge pte
- Fix MPAM register reset values
- Fix MPAM NULL dereference on teardown"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: make huge_ptep_get handled unaligned addresses
arm64/mm: Check the requested PFN range during memory removal
arm64: Correct value returned by ESR_ELx_FSC_ADDRSZ_nL()
arm64: kprobes: Allow reentering kprobes while single-stepping
arm64: kprobes: Only handle faults originating from XOL slot
drivers/virt: pkvm: Fix end calculation in mmio_guard_ioremap_hook()
Revert "arm64: syscall: Ensure saved x0 is kept in-sync with tracer updates"
arm64: mm: When logging data aborts only decode Xs when ISV=1
arm64: fixmap: Allow 256K early_ioremap() at any offset
arm_mpam: guard MBWU state before adding it to garbage
arm_mpam: Fix MPAMCFG_MBW_PBM register setting
arm_mpam: Fix software reset values of MPAMCFG_PRI
arm64: syscall: Ensure saved x0 is kept in-sync with tracer updates
Pull iommu fixes from Will Deacon:
"Joerg's away at the moment so I've been looking after the IOMMU tree
in his absence. In the process of doing that, I've hoovered up a
handful of fixes for the AMD and Intel drivers which address a
combination of the usual out-of-bounds/locking/leak bugs as well as
some logical issues around SVA and command completion.
AMD:
- Fix lockdep splat from nested domain allocation
- Fix nested domain leak
- Fix broken synchronisation of command completion
- Fix OOB write in "ivrs_acpihid" command-line parsing
VT-d:
- Prevent SVA for IOMMUs with non-coherent page-table walker
- Fix OOB write in PMU driver"
* tag 'iommu-fixes-v7.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux:
iommu/intel: Fix out-of-bounds memset in dmar_latency_disable()
iommu/amd: Bound the early ACPI HID map
iommu/vt-d: Disallow SVA if page walk is not coherent
iommu/amd: Wait for completion instead of returning early in iommu_completion_wait()
iommu/amd: Fix nested domain leak
iommu/amd: Fix IRQ unsafe locking in gdom allocation
trace_user_fault_read() samples nr_context_switches_cpu() before enabling
preemption and retries the user copy if the counter changes. The helper
returns unsigned long long because rq->nr_switches is u64, but the saved
value is unsigned int.
Once a CPU has performed 2^32 context switches, assigning the counter to
cnt discards its upper bits. The comparison after the copy promotes cnt
back to unsigned long long, but the lost bits remain zero, so it reports a
change even when the task was never scheduled out. Every retry then fails
the same way until the 100-try guard warns and the user copy is abandoned.
This affects long-running systems and workloads with high context-switch
rates. A CPU switching 1,000 times per second takes about 50 days.
Store the sampled count in unsigned long long so the full value is
preserved.
Cc: stable@vger.kernel.org
Fixes: 64cf7d058a ("tracing: Have trace_marker use per-cpu data to read user space")
Link: https://patch.msgid.link/20260717173252.3431565-1-usama.arif@linux.dev
Reported-by: Breno Leitao <leitao@debian.org>
Signed-off-by: Usama Arif <usama.arif@linux.dev>
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Reviewed-by: Breno Leitao <leitao@debian.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
When running instance tests, 'ftracetest' creates a new ftrace instance
and runs the tests inside it. Before starting each test, it executes
'initialize_system()' to reset the ftrace state to initial-state.
However, since 'initialize_system()' is executed in the context of the
instance directory, it only cleans up triggers and filters of that
instance.
Any triggers or dynamic events left behind in the top-level instance by
previous failed top-level tests, are left completely untouched. These
top-level leftovers can cause subsequent instance-based tests to fail
or even crash the kernel.
Fix this by executing 'initialize_system()' in the top-level tracing
directory once before entering the instance loop.
Cc: stable@vger.kernel.org
Link: https://patch.msgid.link/178425671889.84440.9477850701738666404.stgit@devnote2
Fixes: b5b77be812 ("selftests: ftrace: Allow some tests to be run in a tracing instance")
Assisted-by: Antigravity:gemini-3.5-flash
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
In 'struct trace_event_call', the 'module' pointer and the 'refcnt'
atomic variable share the same memory space in a union. For dynamic
events, the union member is 'refcnt', which acts as an active
reference counter.
When a dynamic event (such as kprobe, uprobe, fprobe, eprobe, or
wprobe) has a non-zero reference count (e.g. due to active event
triggers or perf attachments), its 'call->module' evaluates to a
small non-zero integer instead of NULL.
When filtering or setting events for a specific module (e.g., writing
':mod:<module>' to 'set_event'), the code in
'__ftrace_set_clr_event_nolock()' and 'update_event_fields()' reads
'call->module' directly without checking whether the event is dynamic.
This causes the kernel to treat the small integer (refcnt) as a
'struct module' pointer, leading to a NULL/invalid pointer dereference
(Oops) when dereferencing the module name.
Fix this by ensuring that the 'TRACE_EVENT_FL_DYNAMIC' flag is checked
before treating 'call->module' as a valid pointer in these code paths.
Cc: stable@vger.kernel.org
Link: https://patch.msgid.link/178425670947.84440.11344393611899824907.stgit@devnote2
Fixes: 4c86bc531e ("tracing: Add :mod: command to enabled module events")
Assisted-by: Antigravity:gemini-3.5-flash
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
PALC_DSM_FN_TRIGGER_PLDR was defined as BIT(1) (value 2).
acpi_evaluate_dsm() expects a 0-based function index integer (0, 1,
2, ...), whereas acpi_check_dsm() expects a bitmask of supported
function indices (BIT(1), BIT(2), ...).
Because PALC_DSM_FN_TRIGGER_PLDR was defined as BIT(1),
acpi_evaluate_dsm() was evaluating Function Index 2 instead of Function
Index 1, while acpi_check_dsm() was checking for Function Index 1
support.
Fix this by setting PALC_DSM_FN_TRIGGER_PLDR to 1 (the function index)
and passing BIT(PALC_DSM_FN_TRIGGER_PLDR) to acpi_check_dsm().
Fixes: 1ab843135a ("platform/x86: dell-dw5826e: Add reset driver for DW5826e")
Signed-off-by: Surendra Singh Chouhan <kr494167@gmail.com>
Link: https://patch.msgid.link/20260724125533.74751-1-kr494167@gmail.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Pull slab fixes from Vlastimil Babka:
- Prevent unbounded recursion in free path with memory allocation
profiling, which has caused a stack overflow on a Meta production
host due to a 125-deep __free_slab<->kfree recursion (Harry Yoo)
- Fix type-based partitioning confusing sparse which does not know
__builtin_infer_alloc_token() (Marco Elver)
- Fix a potential memory leak in bulk freeing path on NUMA machines
(Shengming Hu)
* tag 'slab-for-7.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab:
slab: silence sparse warning with type-based partitioning
mm/slab: prevent unbounded recursion in free path with new kmalloc type
lib/alloc_tag: introduce mem_alloc_profiling_permanently_disabled()
mm/slab: decouple SLAB_NO_SHEAVES from SLAB_NO_OBJ_EXT
mm/slab: fix a memory leak due to bootstrapping sheaves twice
mm/slub: fix lost local objects when bulk remote free batch fills
The vblank on/off callbacks mixed use of amdgpu_irq_get/put() and
amdgpu_dm_crtc_set_vupdate_irq() to enable and disable IRQs.
With get/put, base driver will callback into DC to disable IRQs when
refcount == 0. With set_vupdate_irq(), DC is called directly to disable
IRQs, bypassing base driver's refcount tracking.
During gpu reset, base driver can restore IRQs via
amdgpu_irq_gpu_reset_resume_helper() > amdgpu_irq_update(). So if
get/put() is not used (i.e. refcount == 0), then vupdate_irq will be
disabled.
This is problematic if DRM requests vblank on before amdgpu_irq_update()
is called: drm_vblank_on() > set_vupdate_irq() enables vupdate_irq, but
the refcount is still 0. gpu_reset_resume_helper() > irq_update() then
immediately disables it, thus leading to flip done timeouts.
This is made worse on DCN since VUPDATE_NO_LOCK is the only IRQ enabled.
Prior to 8382cd2349, a combination of GRPH_FLIP and VSTARTUP IRQs were
used, and they used get/put(). This explains why 8382cd2349 exposed
this issue.
Fix by using get/put() instead of set_vupdate_irq(). DCE is unchanged,
since it relies on unbalanced enable/disable calls based on VRR status,
and hence requires direct set_vupdate_irq(). Plus, it also uses
GRPH_FLIP and VLINE IRQs, which are properly tracked by get/put().
Cc: stable@vger.kernel.org
Fixes: 8382cd2349 ("drm/amd/display: consolidate DCN vblank/flip handling onto vupdate_no_lock")
Signed-off-by: Leo Li <sunpeng.li@amd.com>
Reviewed-by: Mario Limonciello (AMD) <superm1@kernel.org>
Link: https://patch.msgid.link/20260723180159.52121-1-sunpeng.li@amd.com
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Johan writes:
USB serial fixes for 7.2-rc4
Here are some fixes for 7.2:
- fix data loss on keyspan_pda throttle
- fix memory corruption with malicious edgeport devices
- fix memory corruption with corrupt io_ti firmware
- fix OOB read with corrupt mxuport firmware
Included are also some new ftdi and modem device ids.
All have been in linux-next with no reported issues.
* tag 'usb-serial-7.2-rc4' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial:
USB: serial: io_edgeport: cap received transmit credits
USB: serial: option: add TDTECH MT5710-CN
USB: serial: io_ti: reject oversized boot-mode firmware
USB: serial: mxuport: validate firmware header size
USB: serial: ftdi_sio: add support for E+H FXA291
USB: serial: keyspan_pda: fix data loss on receive throttling
The AIBV holds one bit per MSI-X vector for a given function. The size of
the bit vector is derived from the NOI and the AIBVO. If the size of the
AIBV exceeds a single page boundary, then reject the request as we cannot
safely pin the guest AIBV.
Similarly reject the request if the AISB address is not 8-byte aligned as
the architecture requires doubleword alignment for the summary bit address.
Since the AISBO can address up to 64 bits, the size of the AISB can only be
8 bytes for the function. This also ensures the AISB doesn't exceed a
single page boundary.
Fixes: 3c5a1b6f0a ("KVM: s390: pci: provide routines for enabling/disabling interrupt forwarding")
Cc: stable@vger.kernel.org
Reviewed-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Reviewed-by: Matthew Rosato <mjrosato@linux.ibm.com>
Signed-off-by: Farhan Ali <alifm@linux.ibm.com>
Tested-by: Matthew Rosato <mjrosato@linux.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Currently if kvm_zpci_set_airq() fails, kvm_s390_pci_aif_enable() returns
the error code but doesn't do any resource cleanup thus leaking resources.
Fix this by cleaning up all the resources such as the GAITE, AIBV, AISB and
unpinning any pinned pages. While at it, remove dead code that stored FIB
values that were never referenced.
As part of the cleanup, we are also holding the aift_lock a bit longer, as
we hold the lock while executing the MPCIFC instruction. Though this is not
strictly necessary, it means we don't have to drop and re-acquire in the
error case.
Fixes: 3c5a1b6f0a ("KVM: s390: pci: provide routines for enabling/disabling interrupt forwarding")
Cc: stable@vger.kernel.org
Reviewed-by: Matthew Rosato <mjrosato@linux.ibm.com>
Reviewed-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Signed-off-by: Farhan Ali <alifm@linux.ibm.com>
Tested-by: Matthew Rosato <mjrosato@linux.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@linux.ibm.com>
The airq_iv_create() can return NULL on failure, but the return value was
never checked. If it fails, zdev->aibv will be NULL and fail when
dereferenced in kvm_zpci_set_airq(). Add a NULL check and free the
previously allocated AISB bit and zdev->aisb on failure.
Fixes: 3c5a1b6f0a ("KVM: s390: pci: provide routines for enabling/disabling interrupt forwarding")
Cc: stable@vger.kernel.org
Reviewed-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Reviewed-by: Matthew Rosato <mjrosato@linux.ibm.com>
Signed-off-by: Farhan Ali <alifm@linux.ibm.com>
Tested-by: Matthew Rosato <mjrosato@linux.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@linux.ibm.com>
In kvm_s390_pci_aif_enable() two error paths failed to set an error code,
causing the function to return 0 on failure. It also failed to rollback
memory accounting on failure. Fix both by propagating an error code on
failure and calling unaccount_mem() in the cleanup path.
Fixes: 3c5a1b6f0a ("KVM: s390: pci: provide routines for enabling/disabling interrupt forwarding")
Cc: stable@vger.kernel.org
Reviewed-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Reviewed-by: Matthew Rosato <mjrosato@linux.ibm.com>
Signed-off-by: Farhan Ali <alifm@linux.ibm.com>
Tested-by: Matthew Rosato <mjrosato@linux.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@linux.ibm.com>
The account_mem() and unaccount_mem() functions call get_uid() which
increments the reference count of struct user_struct on every invocation.
But we don't decrement the count by calling free_uid(). It also
accounted/unaccounted the pages against the current->mm. But its possible
the unaccount_mem() can be called from a different process context than the
one that originally pinned the pages.
Let's fix this by storing the pinning process user_struct and mm_struct
when accounting for pinned pages, and subsequently free these resources
when the pages are unpinned.
Fixes: 3c5a1b6f0a ("KVM: s390: pci: provide routines for enabling/disabling interrupt forwarding")
Cc: stable@vger.kernel.org
Reviewed-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Reviewed-by: Matthew Rosato <mjrosato@linux.ibm.com>
Signed-off-by: Farhan Ali <alifm@linux.ibm.com>
Tested-by: Matthew Rosato <mjrosato@linux.ibm.com>
[borntraeger@linux.ibm.com: Fixed whitespace]
Signed-off-by: Christian Borntraeger <borntraeger@linux.ibm.com>
The MPCIFC instruction doesn't allow registering adapter interrupts without
first unregistering. So reject any request to enable interrupt forwarding
if its already enabled for the zPCI device. This also fixes overwriting and
thus leaking resources when the ioctl is called multiple times for the same
device.
Fixes: 3c5a1b6f0a ("KVM: s390: pci: provide routines for enabling/disabling interrupt forwarding")
Cc: stable@vger.kernel.org
Reviewed-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Reviewed-by: Matthew Rosato <mjrosato@linux.ibm.com>
Signed-off-by: Farhan Ali <alifm@linux.ibm.com>
Tested-by: Matthew Rosato <mjrosato@linux.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@linux.ibm.com>
On EAECIS NL60R with EC firmware version 1.11, resuming from S3 has a
very high chance (>90%) of causing the EC to lose the previous backlight
power state. When this happens, the laptop resumes normally from S3, but
the backlight remains off (when shining on the screen with a flash light,
we can see the screen contents are updating normally).
Since there is no generic way to query the EC's backlight state on
Loongson laptop platforms, assume the worst-case scenario and restart
the backlight power inside the kernel each time the system resumes.
Cc: stable@vger.kernel.org
Fixes: 53c762b47f ("platform/loongarch: laptop: Add backlight power control support")
Tested-by: Yao Zi <me@ziyao.cc>
Tested-by: Xi Ruoyao <xry111@xry111.site>
Signed-off-by: Zixing Liu <liushuyu@aosc.io>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
The driver populates acpi_device_class() which is never read afterward,
so make it stop doing that and drop the symbol defined specifically for
this purpose.
No intentional functional impact.
This change will facilitate the removal of "device_class" from "struct
acpi_device_pnp" in the future.
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
When bpf_int_jit_compile() is called for subprograms, it returns early
during the first pass (!prog->is_func || extra_pass is false), keeping
ctx->offset alive for the subsequent extra pass.
If JIT compilation fails for a later subprogram, the BPF core aborts and
calls bpf_jit_free() to clean up the first subprogram. However,
bpf_jit_free() fails to free jit_data->ctx.offset, which causes a memory
leak of the JIT context offsets array.
So fix this by adding the missing kvfree(jit_data->ctx.offset) in
bpf_jit_free().
Reported-by: Sashiko <sashiko-bot@kernel.org>
Fixes: 4ab17e762b ("LoongArch: BPF: Use BPF prog pack allocator")
Acked-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Pu Lehui <pulehui@huawei.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
drm-misc-fixes for v7.2-rc5:
- Improve damage handling in appletbdrm.
- Fix harmful fragmenting of MM by backing up TTM pages at native
page order.
- Fix timeout handling in amdxdna.
- Fix imagination locking for map/unmap operations.
- Fix mm leak in gpusvm eviction.
- Properly zero page array in gpusvm mm scanning.
- Prevent trusted shader bo's from being mapped again in vc4.
- Validate shader array size in vmwgfx.
- Fix length calculation bugs in ethosu.
- Better error handling during pagemap migration.
- Improve v3d suspend.
- Kconfig updates for some panels.
- Handle missing iovcc in ili9881c panel.
- Fix vc4 unbind.
- Add i2c error handling in gma500.
- Fix kunit tests on pp64le and s390x.
- Prevent rearming vc4 timer on shutdown.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patch.msgid.link/07284633-6b9b-40f9-8949-b1516a42a34c@linux.intel.com
This reverts commit 04b177544a.
The original author requested it to be reverted, as it conflicts with
changes in the -next branch for MM:
"I'm not sure who is doing the drm-misc-fixes PR, but if you are can
you omit this patch: https://patchwork.freedesktop.org/series/170865/
I guess this conflicts with MM changes in their next tree and it easy
enough on our side to do this slightly differently to avoid a conflict
so going to post revert + a different change. If this is already sent nbd."
Signed-off-by: Maarten Lankhorst <dev@lankhorst.se>
A global subprogram argument tagged __arg_nonnull is set up as a
non-nullable PTR_TO_MEM. However the verifier does not check against a
scalar NULL, leading to real NULL pointer dereference. Reject it as
well.
Fixes: 94e1c70a34 ("bpf: support 'arg:xxx' btf_decl_tag-based hints for global subprog args")
Signed-off-by: Amery Hung <ameryhung@gmail.com>
Acked-by: Eduard Zingerman <eddyz87@gmail.com>
Link: https://patch.msgid.link/20260723221815.367797-1-ameryhung@gmail.com
Signed-off-by: Eduard Zingerman <eddyz87@gmail.com>
The BO cache timer callback schedules time_work, and time_work can rearm
the timer through vc4_bo_cache_free_old().
vc4_bo_cache_destroy() deletes the timer and then cancels the work, which
does not break that cycle: the work being cancelled can rearm the timer,
and the timer then queues work again after teardown.
Use timer_shutdown_sync() instead, so the timer cannot be rearmed and the
cycle ends with cancel_work_sync().
Fixes: c826a6e106 ("drm/vc4: Add a BO cache.")
Cc: stable@vger.kernel.org
Signed-off-by: Linmao Li <lilinmao@kylinos.cn>
Link: https://patch.msgid.link/20260720084426.1632508-1-lilinmao@kylinos.cn
Reviewed-by: Maíra Canal <mcanal@igalia.com>
Signed-off-by: Maíra Canal <mcanal@igalia.com>
rds_tcp_laddr_check() looks up a scoped IPv6 interface with
dev_get_by_index_rcu(), drops the RCU read-side lock, and only then
passes the bare struct net_device * into ipv6_chk_addr().
dev_get_by_index_rcu() only keeps the device alive within the same RCU
read-side section. After rcu_read_unlock(), a concurrent RTM_DELLINK can
free the net_device; ipv6_chk_addr() then dereferences the stale pointer
in __ipv6_chk_addr_and_flags() (e.g. l3mdev_master_dev_rcu(dev)), reading
freed memory.
Keep the RCU read-side lock held across the ipv6_chk_addr() call instead
of dropping it right after the lookup, so the device cannot be freed
while it is in use.
BUG: KASAN: slab-use-after-free in __ipv6_chk_addr_and_flags (... net/ipv6/addrconf.c:1998)
Read of size 8 at addr ffff8880106ec000 by task exploit/153
Call Trace:
...
kasan_report (mm/kasan/report.c:595)
__ipv6_chk_addr_and_flags (... net/ipv6/addrconf.c:1998)
ipv6_chk_addr (net/ipv6/addrconf.c:2031 net/ipv6/addrconf.c:1972)
rds_tcp_laddr_check (net/rds/tcp.c:370)
rds_bind (net/rds/bind.c:248)
__sys_bind (net/socket.c:1920)
__x64_sys_bind (net/socket.c:1956)
do_syscall_64 (arch/x86/entry/syscall_64.c:63)
entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
Fixes: eee2fa6ab3 ("rds: Changing IP address internal representation to struct in6_addr")
Reported-by: Weiming Shi <bestswngs@gmail.com>
Signed-off-by: Xiang Mei <xmei5@asu.edu>
Reviewed-by: Allison Henderson <achender@kernel.org>
Link: https://patch.msgid.link/20260722210203.565803-1-xmei5@asu.edu
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Pull smb client fixes from Steve French:
- Fix leak in cifs_close_deferred_file()
- Fix resolving MacOS symlinks
- Fix stale file size in readdir
- Update git branches in MAINTAINERS file
- Fix bounds check in cifs_filldir
- Fix checks in parse_dfs_referrals()
- Fix DFS referral checks for malformed packet
* tag 'v7.2-rc4-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: fix cifsFileInfo leak on kmalloc failure in deferred close drain paths
cifs: prevent readdir from changing file size due to stale directory metadata
smb: client: handle STATUS_STOPPED_ON_SYMLINK responses without a symlink target
Add missing git branch info for cifs and ksmbd to MAINTAINERS file
smb: client: bound dirent name against end of SMB response in cifs_filldir
smb: client: validate DFS referral PathConsumed
Pull networking fixes from Jakub Kicinski:
"Lots of fixes, double the count even for the 'new normal'. Largely due
to my time off followed by a networking conference which distracted
most maintainers (less so the AI generators).
Including fixes from Bluetooth and WiFi.
Current release - regressions:
- wifi: mt76: fix MAC address for non OF pcie cards
Current release - new code bugs:
- mptcp: fix BUILD_BUG_ON on legacy ARM config
- wifi: cfg80211: guard optional PMSR nominal time
Previous releases - regressions:
- qrtr: ns: raise node count limit to 512, we arbitrarily picked
256 as a limit, turns out it was too low for real world deployments
- vhost-net: fix TX stall when vhost owns virtio-net header
- eth: amd-xgbe: fix MAC_AUTO_SW handling in CL37 AN
- wifi: ath12k: fix low MLO RX throughput on WCN7850
Previous releases - always broken:
- number of random AI fixes for SCTP, RDS and TIPC protocols
- more AI-looking fixes for WiFi drivers
- number of fixes for missing pointer reloading after skb pull
- reject BPF redirect use from qdisc qevent block
- tcp: initialize standalone TCP-AO response padding
- vsock/virtio: collapse receive queue under memory pressure to avoid
client OOMing the host with tiny messages
- ipv4: icmp: fill flow parameters in icmp_route_lookup decoy lookup,
make sure the ICMP response routing follows the routing policy
- gro: fix double aggregation of flush-marked skbs
- ovpn: fix various refcount bugs
- tls: device: push pending open record on splice EOF
- eth: mlx5:
- use sender devcom for MPV master-up
- fix MCIA register buffer overflow on 32 dword reads"
* tag 'net-7.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (234 commits)
drop_monitor: perform u64_stats updates under IRQ-disabled section
drop_monitor: fix size calculations for 64-bit attributes
net: drop_monitor: fix info leak in NET_DM_ATTR_PAYLOAD
mptcp: fix BUILD_BUG_ON on legacy ARM config
selftests: mptcp: userspace_pm: fix undefined variable port
mptcp: fix stale skb->sk reference on subflow close
mptcp: pm: userspace: fix use-after-free in get_local_id
mptcp: decrement subflows counter on failed passive join
mac802154: hold an interface reference across the scan worker
sctp: don't free the ASCONF's own transport in DEL-IP processing
phonet: check register_netdevice_notifier() error in phonet_device_init()
phonet: pep: fix use-after-free in pep_get_sb()
bnge/bng_re: fix ring ID widths
tipc: fix integer overflow in tipc_recvmsg() and tipc_recvstream()
net: airoha: fix ETS channel derivation in airoha_tc_setup_qdisc_ets()
mctp: check register_netdevice_notifier() error in mctp_device_init()
ptp: netc: explicitly clear TMR_OFF during initialization
rds: tcp: unregister sysctl before tearing down listen socket
ipv6: Change allocation flags to match rcu_read_lock section requirements
net: slip: serialize receive against buffer reallocation
...
