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| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Linus Torvalds
|
cf72cbb39d |
io_uring-7.3-20260828
-----BEGIN PGP SIGNATURE----- iQJEBAABCAAuFiEEwPw5LcreJtl1+l5K99NY+ylx4KYFAmqR/ZwQHGF4Ym9lQGtl cm5lbC5kawAKCRD301j7KXHgpr6GD/9uEDS/3lBXkP5r6qO4E5v/6eN7Sz1F/gZ4 vkH4reHh3U3VSjwOaWJHLXCkJV06JmlJAggCn0dq+P8cXWKH9VpwppzpedY/Ua05 oiDXgyoaAzhgYzE/seCALdFR0zOyvhSlluDiucrwWCcx0h4HOEnysZ3Q4RQ8gXXx 2mQ+M/n2WdXPPUHPEGezPL9PvtitFjUFr8WBeWksCtFQ+Ycyk6+NDPSanxeOjJCI FhgQDxiUIWSEItEniuwq4lUQFtImkRyUvBPPbPb51ahzkCc1QSjr8WVtfO0RJtON uiUU9hkTcKis/ufR+esikrjV2nwxo3fv2WkknrBfJ5jNFiLp/CR+FPZRwH3A/AoH Onoi3qcpcHrXzQD4j/UhyUcaIM7sntwour4PBg8cKUh/lwZkt94+orp6lniiV/Dd aS3IKmCymQjpf5N3b0QnQSi2lOGk6bUKyQD8YUnA/N3rw3olfkzSGBDz6Y4gQxAY XpvmuPDXndhfn17JSGpsCjohWkWEUuSQh1fx5JLsV9XkaPaeA89/epUzu2+b1Kxw c+/uaCkQsGGLpHa6xWhJLGocyYZViDUYeIPz8C7gqTDXTMU70mtZvILl+aZjVrjF iU2aSWDuS9oD0g16yT7FY8pBQvB8RnuNCUmS92QIr+VMqnp7793DPD5gwN88k+8L 4x4gInB+ag== =I3ma -----END PGP SIGNATURE----- Merge tag 'io_uring-7.3-20260828' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux Pull io_uring fixes from Jens Axboe: "A few smaller fixes for io_uring that should go into the 7.3-rc1 kernel, all three headed to stable as well. This contains: - A few fixes around cancellation and teardown for waitid - Cap the user size for the query interface copy-out" * tag 'io_uring-7.3-20260828' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux: io_uring/waitid: avoid siginfo copy during ring teardown io_uring/waitid: honor task_work cancellation io_uring/query: cap user size passed to copy_struct_to_user |
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Linus Torvalds
|
a99d741df7 |
drm next/fixes for 7.3-rc1
core: - use drm_warn instead of warn msm: - Bindings: - Added Shikra support - Document a840, a704, a722 - Core: - Use drm_client buffers for fbdev emulation - teardown fixes - ARM32 DMA fixup - Remove objects from evict list when re-validated - Bunch of corner case and error path fixes - DPU: - Dropped dev_pm_opp_set_rate(0) preventing burnout - Fixed SSPP offsets of Kaanapali - DP: - Dropped dev_pm_opp_set_rate(0) preventing burnout - Cleaned up core code in preparation for MST support - Fixed prepare() to let Pipewire continue in case of the unplugged cable - GPU: - Add support for a704 - Add support for a722 - HDMI: - Simplifed register access amdgpu: - eGPU fixes - Runtime PM fix - UserQ fixes - Backlight fix - Discovery sysfs fix - Reset handling fixes - Buffer func handling fix for xgmi - VCN boundary check fix - DC lut handling fixes - MES fixes - UVD fix - VCE 3 fix - Enforce isolation fix - HPD fix for VGA/LVDS - DML fix - DCN 6 fixes - DC gpu reset fix amdkfd: - Fix return value - CU occupancy for GFX 11 - CU occupancy for GFX 12/12.1 - Queue bounds checking fix - SVM fixes - CRIU bounds checking fix radeon: - iMac display fix xe: - error message cleanups - i2c global register definitions as dependency for xe/i2c fixes - Media workardound - Add CCS to gt_idle debugfs print - Page fault related fix - i2c related fixes - System Controller mailbox bit fix -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEEKbZHaGwW9KfbeusDHTzWXnEhr4FAmqR+2wACgkQDHTzWXnE hr5VPRAAhJpCnUEOUnhiBRfQB3lqHuKV4N9XQGVoaAZHYLxNkZD6I99ScpIznEr9 sHG0ViBqz2PHyM2XoJzPZDzm8Us0moVUMMdV56IH7h11l8E7Az2Sd/Ji+AQvZEBT /qh9Py0/fjibfDm0ueMROFRhuD8RA2sJqzkGMZUBvErh+zmEQvkIDkIT6A5RpHD8 B3XEGN+UCxPBzCnKNixyNDgY2i4ipFAe0MDj9+Mh0b9BM9BoV8+Eb7sjkBz+ROMH tl57Mjjd37FaYM9MgtEt9m7eOBf266V9Xb9tbIfqShwO1aZa0Vfzuih/3Ck53Nwc VkwepP7NHZZKFHIxFgcRCVjzyA3HpZJmLot8YYOyZDJOG6KKp2X0ZUFBog5Uiv8o 7exd95FLUtIsnUtmLxlermOYJwrokgcVoigcalhLCB2+KZ5/BznutzcCSvrd8vI2 LzEGnLMgzuEKeOmiWZjagID51TYwHfPogULUlwWT4XB62dKih7/uselCObj4m/Lc kRSbiXWz1pxisfiFRsK2GECwsbEb/8qOYgSOQBgppuPbSWpX+2P4IApomRBesQ8E Db+i6hptauOwT0/1ZBo8gkOfb0XIWsjg9iV6pVuUIS80hOlr7Zj1MR7mMrWgL0nM Chs4/Nq8jWU1ESbmKPBINIXCGOGuev4lJO/pBjfySLpTUhWOQcw= =wbEZ -----END PGP SIGNATURE----- Merge tag 'drm-next-2026-08-29' of https://gitlab.freedesktop.org/drm/kernel Pull more drm updates from Dave Airlie: "As mentioned last week, an msm pull request fell down the side of the couch or whatever the email equivalent of that is. This has the msm next stuff + the usual fixes for amd/intel. core: - use drm_warn instead of warn msm: - Bindings: - Added Shikra support - Document a840, a704, a722 - Core: - Use drm_client buffers for fbdev emulation - teardown fixes - ARM32 DMA fixup - Remove objects from evict list when re-validated - Bunch of corner case and error path fixes - DPU: - Dropped dev_pm_opp_set_rate(0) preventing burnout - Fixed SSPP offsets of Kaanapali - DP: - Dropped dev_pm_opp_set_rate(0) preventing burnout - Cleaned up core code in preparation for MST support - Fixed prepare() to let Pipewire continue in case of the unplugged cable - GPU: - Add support for a704 - Add support for a722 - HDMI: - Simplifed register access amdgpu: - eGPU fixes - Runtime PM fix - UserQ fixes - Backlight fix - Discovery sysfs fix - Reset handling fixes - Buffer func handling fix for xgmi - VCN boundary check fix - DC lut handling fixes - MES fixes - UVD fix - VCE 3 fix - Enforce isolation fix - HPD fix for VGA/LVDS - DML fix - DCN 6 fixes - DC gpu reset fix amdkfd: - Fix return value - CU occupancy for GFX 11 - CU occupancy for GFX 12/12.1 - Queue bounds checking fix - SVM fixes - CRIU bounds checking fix radeon: - iMac display fix xe: - error message cleanups - i2c global register definitions as dependency for xe/i2c fixes - Media workardound - Add CCS to gt_idle debugfs print - Page fault related fix - i2c related fixes - System Controller mailbox bit fix" * tag 'drm-next-2026-08-29' of https://gitlab.freedesktop.org/drm/kernel: (121 commits) drm/xe/sysctrl: Read mailbox phase bit from hardware drm/xe/i2c: Keep the i2c controller always enabled drm/xe/i2c: Fix the interrupt handling i2c: designware: Global register definitions drm/xe: Reject page faults from non-fault-mode scratch VMs drm/xe/xe_gt_idle: Add CCS to the powergating info print drm/xe: Do not apply WA 14025883347 to media 3503 drm/amd/display: fix dc_lock leak on GPU reset error paths drm/amd/display: Fix redundant GPUVMEnable checks in dcn6 flip schedule drm/amd/display: Fix wrong bytes-per-pixel value for dml2_422_packed_10 drm/amdkfd: guard against NULL restore_mqd in CRIU queue restore drm/amdgpu/userq: fix lock missing for userq fence error set drm/amdkfd: Fix the case that vm range is hole at svm_migrate_copy_to_vram drm/amdkfd: Fix error path at svm_migrate_copy_to_ram drm/amd/display: Log details when failing to register HPD IRQ drm/amd/display: Fix HPD consideration for VGA/LVDS connectors on DCE drm/amdgpu: clamp the isolation index for rings outside a partition drm/amdkfd: Reject zero-sized AQL queue allocations after size halving drm/amdgpu: Fix VCE 3 ring align_mask drm/kfd: Add CU occupancy support to GFX12.1 ... |
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Linus Torvalds
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4cc4cc367f |
ipmi: Fix some minor issues, add async init
Several cleanup on error fixes and a missing RCU wait and proper validation on a received message in one place. The biggest change is the initialization of the driver can be done asynchronously on a work queue. That saves significant boot time. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEE/Q1c5nzg9ZpmiCaGYfOMkJGb/4EFAmqR5uMACgkQYfOMkJGb /4HmSw//behOuqAjgDZ8kwxs/WCfdXz4Tz+hr/tFUkHgCMpq5XFKZVBonY5s6eEB y4Wei0JXURTt+Yex7aH7y22g5lIwaOYA8KGklnPGsHerPR9Xpr9PucNq7YjL8EN2 hfND4jHjWtIl/8Z61/D24Dq7zbzY2oNcBt2rnAboKpEQuGOrCR4imuRkVZ182XzL wtsoMwcWYhUIpCvQ87vhUJy9IyJrwHBPRe8ziUoDfxAjQdgKBCcJ2g9hDOQY910A UphBIyAaXfap5QEBhiV4bYJd3+HM0FC/G7zH5MX6+AP19253ODuN8jlq1zCKYiwx h3uEweshhTrEQJPUh5YClRPKs4h3dkRfUPEzzW5UXtoCS75Slcdtoc/A/mf7YTTB dRKaeqyJq6WboVOcLllO6EyJtk8Wrp4YwtMHXwDpi86sHtqcPPuAQMwt5uPomJDU kTvsxfGGaLV+G+pKvjfKH6iLEAPI3gNGcjMJXdH9WPqP+w7lsGDwJR3BCIOZsFoV 8oB4rzjtlkNOTo/WD8Ijo1VU5QT4yhzDC2SYhaoJCL95fMxaay5AIlbN8k3gDalE eIlTgbcyi2qyyTV4+JjjqXdCQwI9AGSoW7B0Y8mJgt5CzY0vl3A1kKa884d5tEOm auJAUgt4oXE2E5qLL5gMgqkiay8ofNNIEMhRpjY0g/yGSUnPPa0= =Nbl3 -----END PGP SIGNATURE----- Merge tag 'for-linus-7.3-1' of https://github.com/cminyard/linux-ipmi Pull ipmi updates from Corey Minyard: "Several cleanup on error fixes and a missing RCU wait and proper validation on a received message in one place. The biggest change is the initialization of the driver can be done asynchronously on a work queue. That saves significant boot time" * tag 'for-linus-7.3-1' of https://github.com/cminyard/linux-ipmi: ipmi: Fix use-after-free of cmd_rcvr in _ipmi_destroy_user() ipmi:msghandler: Cancel work cleanly on an error ipmi:si: Add async init to ipmi_si char: ipmi: use named initializers for acpi_device_id ipmi: Fix leak in __ipmi_bmc_register ipmi: Remove all sysfs files on registration failure ipmi: si: Fix NULL pointer dereference after failed registration ipmi: ipmb: validate write message length |
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Xin Long
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2188569e7e |
sctp: fix a TOCTOU race in SCTP_CMD_TIMER_START
The SCTP_CMD_TIMER_START handler checks timer_pending() before calling
timer_reduce(). The timer can expire and detach between these operations,
causing timer_reduce() to rearm the timer without taking the association
reference required for the newly armed timer.
The timer callback later unconditionally drops its association reference,
which can leave the association reference count unbalanced and result in
use-after-free during association teardown.
Use the return value of timer_reduce() to determine whether the timer was
actually armed. Take the association reference only when timer_reduce()
successfully starts a new timer, closing the race between checking the
timer state and rearming it.
This issue was reported by Nico Yip (@_cyeaa_) working with TrendAI Zero
Day Initiative.
Fixes:
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Jakub Kicinski
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b84cc38f3f |
Merge branch 'tcp-fix-use-after-free-in-do_tcp_getsockopt'
Cen Zhang says: ==================== tcp: fix use-after-free in do_tcp_getsockopt() do_tcp_getsockopt() has two lockless reads of icsk_ca_ops. Since BPF struct_ops congestion control made icsk_ca_ops point to dynamically allocated memory, a concurrent setsockopt(TCP_CONGESTION) can replace the pointer and free the old object while either reader is using it. Patch 1 fixes the TCP_CONGESTION path by copying ca_ops->name to a stack buffer while holding rcu_read_lock(). It also uses READ_ONCE() for the lockless load and annotates the relevant icsk_ca_ops stores with WRITE_ONCE(). Patch 2 fixes the TCP_CC_INFO path by keeping the READ_ONCE() load, ca_ops->get_info lookup, and call inside an RCU read-side critical section. ==================== Link: https://patch.msgid.link/cover.1787870710.git.blbllhy@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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Cen Zhang (Microsoft Security FORGE Labs)
|
385e474086 |
tcp: fix use-after-free in do_tcp_getsockopt(TCP_CC_INFO)
do_tcp_getsockopt() reads icsk->icsk_ca_ops and dereferences the
get_info function pointer without rcu_read_lock(). With BPF struct_ops
congestion control, ca_ops can point to dynamically allocated memory
that is freed concurrently, resulting in a use-after-free when the
kernel dereferences or calls through the stale pointer.
BUG: KASAN: slab-use-after-free in do_tcp_getsockopt+0x2037/0x23e0
Read of size 8 at addr ffff888013701258 by task exploit/149
do_tcp_getsockopt+0x2037/0x23e0 (net/ipv4/tcp.c:4564)
tcp_getsockopt+0x91/0xf0
__sys_getsockopt+0xf7/0x170
Fix this by wrapping the ca_ops load and get_info call within
rcu_read_lock()/rcu_read_unlock(), and using READ_ONCE() to load
the icsk_ca_ops pointer.
Fixes:
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Cen Zhang (Microsoft Security FORGE Labs)
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5271b79b7a |
tcp: fix use-after-free in do_tcp_getsockopt(TCP_CONGESTION)
do_tcp_getsockopt() reads icsk->icsk_ca_ops->name without holding rcu_read_lock(). Since commit |
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Jakub Kicinski
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7e1d6caa9c |
Merge branch 'net-sched-fix-remaining-actions-notification-accounting-issues'
Victor Nogueira says:
====================
net/sched: Fix remaining actions notification accounting issues
Commit
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Victor Nogueira
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251367a0a3 |
net/sched: act_api: fix skb sizing and action leak on reoffload delete
tcf_reoffload_del_notify_msg() sizes the RTM_DELACTION skb with tcf_action_fill_size(action) alone. Unlike every other notification path it never wraps that in tcf_action_full_attrs_size(), so the nlmsg_put() header, struct tcamsg and the TCA_ACT_TAB nest that tca_get_fill() emits - 24 bytes on x86_64 - are not budgeted. As long as the single action stays well under NLMSG_GOODSIZE the floor in alloc_skb() hides this, but once its fill size crosses NLMSG_GOODSIZE the allocation is exactly 24 bytes short and tca_get_fill() runs out of tailroom. That is now easy to reach for an offloadable act_pedit with a large tcfp_nkeys, which commit |
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Victor Nogueira
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e9ca46ebc3 |
net/sched: act_api: size the RTM_GETACTION reply from the actions
tca_action_gd() already walks every requested action and accumulates
attr_size += tcf_action_fill_size(act), then wraps the result in
tcf_action_full_attrs_size(). For RTM_DELACTION that value is handed to
tcf_del_notify_msg(), which allocates max(attr_size, NLMSG_GOODSIZE). For
RTM_GETACTION it is silently discarded and tcf_get_notify() allocates a
fixed NLMSG_GOODSIZE skb instead.
Any action whose dump exceeds that fixed budget therefore cannot be read
back. For example, act_pedit overruns the budget with 32 actions of four
munge keys each, act_police with 32 policers once the optional
rate/peakrate/result/avrate attributes are present
Fix this by passing attr_size through and allocate the reply the way the
add and delete paths do.
Note on exposure: RTM_GETACTION is the only one of the three action
commands that is not capability checked - tc_ctl_action() requires
CAP_NET_ADMIN for RTM_NEWACTION and RTM_DELACTION only - so this turns a
fixed NLMSG_GOODSIZE reply into a user sized allocation on an
unprivileged path. It is bounded by TCA_ACT_MAX_PRIO actions per
request, and tca_action_gd() does not reject duplicate indices, so a
single large action can be requested 32 times; an act_bpf program near
BPF_MAXINSNS is about 32KB of dump, or roughly 1MB for one request.
Creating such an action still requires CAP_NET_ADMIN, and the add and
delete paths have sized their skbs this way since the Fixes commit.
Should this ever need bounding, GFP_KERNEL_ACCOUNT would charge the
reply to the caller's memcg.
Fixes:
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Victor Nogueira
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13eb543ceb |
net/sched: act_api: budget all shared attributes in notify skbs
tcf_action_shared_attrs_size() is supposed to return an upper bound on the
netlink attributes every action dump emits outside of TCA_ACT_OPTIONS, so
that tcf_add_notify_msg(), tcf_del_notify_msg() and friends can allocate
an skb large enough for the reply. It has fallen behind the dump path and
is now an underestimate for every single action.
Attributes, such as, TCA_ACT_IN_HW_COUNT and TCA_STATS_BASIC_HW are
emitted unconditionally and never accounted for. TCA_STATS_PKT64,
TCA_ACT_USED_HW_STATS, TCA_STATS_RATE_EST, TCA_STATS_RATE_EST64 require
specific conditions, but are also not accounted for.
Fix the issue by budgeting all of them so that we have a legitimate
upper bound. Even tough for of them require specific conditions, they
are cheap so, to avoid overcomplicating, we opted to account for them
unconditionally as well to account for a real worst case scenario.
Fixes:
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Dong Chenchen
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28a57fb2c5 |
net: iptunnel: fix stale transport header during tunnel decapsulation
Syzbot reported a crash in qdisc_pkt_len_segs_init() caused by a stale transport_header offset after tunnel decapsulation. BUG: unable to handle page fault for address: ffffed102091a42e Oops: Oops: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 340 Comm: qdisc_uaf_repro Not tainted 7.2.0-rc4-00061-g248951ddc14d #256 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:__asan_load2 <IRQ> qdisc_pkt_len_segs_init (net/core/dev.c:4145) __dev_queue_xmit (net/core/dev.c:4787) br_dev_queue_push_xmit (net/bridge/br_forward.c:53) br_handle_frame_finish (net/bridge/br_input.c:229) br_handle_frame (net/bridge/br_input.c:315) __netif_receive_skb_core.constprop.0 (net/core/dev.c:6099) __netif_receive_skb_list_core (net/core/dev.c:6287) netif_receive_skb_list_internal (net/core/dev.c:6445) napi_complete_done (net/core/dev.c:6813) gro_cell_poll (net/core/gro_cells.c:74) __napi_poll (net/core/dev.c:7735) net_rx_action (net/core/dev.c:7798 net/core/dev.c:7955) handle_softirqs (kernel/softirq.c:622) do_softirq (kernel/softirq.c:523 kernel/softirq.c:510 ) __local_bh_enable_ip (kernel/softirq.c:450) tun_get_user (drivers/net/tun.c:1986 (discriminator 1)) tun_chr_write_iter (drivers/net/tun.c:2032) The issue is completely latent until qdisc read transport header in commit |
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Jakub Kicinski
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b873bf8141 |
Merge branch 'net-mlx5e-prevent-stale-xsk-buffer-release-on-refill-retries'
Jerome Tollet says: ==================== net/mlx5e: Prevent stale XSK buffer release on refill retries Prevent duplicate XSK buffer release when a deferred RX refill fails and the same WQE is retried. Patch 1 fixes legacy cyclic RQ. It is unchanged from v3 and retains Dragos' Reviewed-by tag. Patch 2 fixes the analogous striding-RQ MPWQE path. Following Dragos' review, it now fills skip_release_bitmap in the common error path of mlx5e_xsk_alloc_rx_mpwqe(), consistently with mlx5e_alloc_rx_mpwqe(). Targeted fault injection covered both an early allocation failure and a partial 8-of-16-buffer unwind. With three consecutive failures for one MPWQE, the original 16 XSK buffers were released only once, retries saw a full bitmap, and a later successful allocation cleared it. A clean 20-second AF_XDP zero-copy pressure run exercised 1,575,262 buffer allocation failures without invalid descriptors, WQE errors, or kernel warnings. ==================== Link: https://patch.msgid.link/20260824141645.23700-1-jtollet@cisco.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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Jerome Tollet
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63811edf51 |
net/mlx5e: Prevent stale XSK buffer release on MPWQE refill retry
With AF_XDP on a striding RQ, mlx5e defers releasing XSK buffers until
an MPWQE is refilled. If XSK allocation then returns -ENOMEM,
actual_wq_head is not advanced and a later NAPI poll retries the same
WQE.
mlx5e_free_rx_mpwqe() leaves each released slot marked as releasable. On
retry it can therefore call xsk_buff_free() again through stale pointers
after the frames have returned to the XSK pool and been reallocated.
Set all skip_release_bitmap bits in the common error path of
mlx5e_xsk_alloc_rx_mpwqe(). This matches mlx5e_alloc_rx_mpwqe(). A
successful allocation already clears the bitmap after replacing every
buffer, so retries become idempotent without changing the success path.
Fault injection forced three consecutive failures for one selected MPWQE.
Both an early allocation failure and a partial 8-of-16-buffer unwind
released the original 16 XSK buffers only once. Each error left a full
bitmap, the following NAPI retry skipped the release, and a later
successful allocation cleared it. A 20-second AF_XDP zero-copy pressure
run exercised 1,575,262 buffer allocation failures without invalid
descriptors, WQE errors, or kernel warnings.
Fixes:
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Jerome Tollet
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e01620844c |
net/mlx5e: Prevent stale XSK buffer release on refill retry
When an XDP redirect to an AF_XDP socket fails because its RX ring is
full, the XSK core frees the buffer. During the subsequent batched refill
of a legacy cyclic RQ, mlx5e also releases the WQE's XSK buffer before
allocating a replacement. If that refill succeeds only partially, a WQE
left without a replacement retains its old buffer pointer.
The buffer can meanwhile be allocated to another WQE. A later refill
retry can then free the live buffer through the stale pointer and publish
the same UMEM frame twice.
Mark the WQE as released immediately after the driver-side free. The flag
is already cleared when a replacement buffer is assigned, so refill
retries no longer release stale pointers.
The failure is silent and produces no kernel warning or splat. A
standalone legacy cyclic-RQ zero-copy libxsk reproducer, using 64-byte UDP
traffic offered at 12 Mpps, detected it: stock stopped after 2,854,914
packets in 4.094 seconds, with 4,542 xdp_rx_ring_full events and 64
ownership/double-publication errors. With this change it processed
356,904,225 packets in 30 seconds despite 571,405 xdp_rx_ring_full events,
with no ownership or data errors.
Fixes:
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Lorenzo Bianconi
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a5d946466a |
net: stmmac: fix dma mapping leak in stmmac_tso_xmit()
In stmmac_tso_xmit(), if the DMA mapping of an skb fragment fails, the
frame is dropped but the DMA mappings already created for the linear
part and for the fragments mapped before the failure are never
unmapped, leaking DMA mappings.
Fix the leak by walking back over the descriptors used by the frame and
releasing each of them with stmmac_free_tx_buffer(). Moreover, release
the descriptors with stmmac_release_tx_desc() unmapping the DMA buffers.
Fixes:
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Eric Dumazet
|
18666c73af |
tcp: use GFP_ATOMIC in tcp_send_active_reset()
tcp_send_active_reset() can be called from contexts where gfp_any()
(in tcp_disconnect()) or sk->sk_allocation (in __tcp_close() and
mptcp_do_fastclose()) evaluates to GFP_KERNEL, which includes
__GFP_FS and __GFP_DIRECT_RECLAIM.
Allocating with GFP_KERNEL while holding the socket lock (sk_lock) creates
a lockdep dependency:
sk_lock -> fs_reclaim
This causes false-positive lockdep circular locking warnings with storage
subsystems (such as nvme-tcp) that acquire socket locks in block I/O paths
and invoke tcp_disconnect() or close sockets upon teardown:
set->srcu -> sk_lock -> fs_reclaim -> elevator_lock -> set->srcu
Active resets are small RST packet headers that should never
enter direct reclaim or block while holding socket locks.
Use sk_gfp_mask(sk, GFP_ATOMIC | __GFP_NOWARN) inside tcp_send_active_reset()
and remove its priority argument. This preserves __GFP_MEMALLOC access
for SOCK_MEMALLOC sockets, suppresses allocation failure warnings,
and aligns with other control packet allocations (e.g. tcp_send_fin(),
__tcp_send_ack(), tcp_xmit_probe_skb()).
Fixes:
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Jakub Kicinski
|
c185c78e2a |
Merge branch 'netlink-specs-fixes-for-conntrack-dump-filtering'
Ilya Maximets says: ==================== netlink: specs: fixes for conntrack dump filtering ==================== Link: https://patch.msgid.link/20260826220444.4054714-1-i.maximets@ovn.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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Ilya Maximets
|
8b348496cb |
netlink: specs: add missing mask attributes for conntrack dump
'mark-mask' and 'status-mask' are defined and supported by the
conntrack dump, but missing from the list of arguments.
While at it, the order of the arguments should follow the order of
their definition in the enum ctattr_type. That appears to be a common
convention for other spec files.
Fixes:
|
||
|
Ilya Maximets
|
2a004bfb62 |
netlink: specs: fix the conntrack filter type
The CTA_FILTER doesn't contain nested tuple attributes, instead it
contains bit masks that specify which tuple attributes to filter on.
The values for filtering are taken from the top-level CTA_TUPLE_ORIG
and CTA_TUPLE_REPLY, which are also missing in the attribute list
for the dump request.
The bits themselves somehow are not in the public headers, so not
defining them in the spec either for now. Once they are public in
uAPI, they can be added here with enum-as-flags.
Fixes:
|
||
|
Eric Dumazet
|
7fcc2fe39f |
net: icmp: avoid invalid transport header access in icmp_send tracepoint
syzbot reported a WARNING triggered by DEBUG_NET_WARN_ON_ONCE():
WARNING: at skb_transport_header include/linux/skbuff.h:3087 [inline]
WARNING: at udp_hdr include/linux/udp.h:23 [inline]
WARNING: at do_trace_event_raw_event_icmp_send include/trace/events/icmp.h:30 [inline]
WARNING: at trace_event_raw_event_icmp_send+0x48c/0x6ec include/trace/events/icmp.h:11
Call trace:
skb_transport_header include/linux/skbuff.h:3087 [inline]
udp_hdr include/linux/udp.h:23 [inline]
do_trace_event_raw_event_icmp_send include/trace/events/icmp.h:30 [inline]
trace_event_raw_event_icmp_send+0x48c/0x6ec include/trace/events/icmp.h:11
__traceiter_icmp_send include/trace/events/icmp.h:11 [inline]
__do_trace_icmp_send include/trace/events/icmp.h:11 [inline]
trace_icmp_send+0x320/0x49c include/trace/events/icmp.h:11
__icmp_send+0xcfc/0x11d8 net/ipv4/icmp.c:1013
ipv4_send_dest_unreach net/ipv4/route.c:1280 [inline]
ipv4_link_failure+0x57c/0x8dc net/ipv4/route.c:1287
dst_link_failure include/net/dst.h:438 [inline]
vti_tunnel_xmit+0xe40/0x17a4 net/ipv4/ip_vti.c:307
TP_fast_assign() unconditionally calls udp_hdr(skb) before checking
whether the packet is UDP. Furthermore, __icmp_send() can be invoked
from paths (e.g., link failures, ARP errors, forwarding, AF_PACKET)
where skb->transport_header was never initialized (~0U).
Under CONFIG_DEBUG_NET=y, calling skb_transport_header(skb) triggers
DEBUG_NET_WARN_ON_ONCE(!skb_transport_header_was_set(skb)).
Fix this by:
1. Only parsing transport info when iph->protocol == IPPROTO_UDP.
2. Using skb_header_pointer() at skb_network_offset(skb) + (iph->ihl << 2)
to safely fetch the UDP header without assuming transport_header is set.
Fixes:
|
||
Chengfeng Ye
|
dddf197f29 |
tipc: protect node reset trace dump with node lock
The tipc_node_reset_links trace event asks tipc_node_dump() to walk the
node's link entries. Unlike the other node events that request link data,
this event runs without the node lock.
This permits bearer teardown to free a link while the trace callback is
dumping it:
CPU 0 CPU 1
trace_tipc_node_reset_links()
tipc_node_dump()
l = n->links[0].link
tipc_node_write_lock()
kfree(l)
n->links[0].link = NULL
tipc_node_write_unlock()
tipc_link_dump(l)
tipc_link_dump() then dereferences the stale pointer. KASAN reported:
BUG: KASAN: slab-use-after-free in tipc_link_dump
Read of size 4 by task poc/115
Call Trace:
tipc_link_dump+0x10cb/0x16b0
tipc_node_dump+0x4bb/0x740
trace_event_raw_event_tipc_node_class+0x258/0x360
tipc_node_reset_links+0x14d/0x1a0
tipc_rcv+0x13f5/0x3030
tipc_udp_recv+0x4e3/0x670
Allocated by task 0:
tipc_link_create+0x1e1/0x1020
tipc_node_check_dest+0x7d2/0x11a0
tipc_disc_rcv+0xdbf/0x1430
Freed by task 89:
kfree+0x131/0x3c0
tipc_node_link_down+0x267/0x4b0
tipc_node_delete_links+0xec/0x160
bearer_disable+0x107/0x260
Take the node write lock around the trace event. This serializes the
dump against tipc_node_link_down(delete=true), which frees the link
under the same write lock.
Fixes:
|
||
Zihan Xi
|
5046d2880f |
ipv4: avoid divide by zero in fib_rebalance
fib_rebalance() computes the total eligible nexthop weight in one pass and programs upper bounds in a second pass. A concurrent change to ignore_routes_with_linkdown can make the first pass return zero while the second pass sees an eligible nexthop, resulting in division by zero. If the first pass reports a zero total, set each nexthop upper bound to -1 and skip the division. This matches the IPv6 fix in commit |
||
|
Linus Torvalds
|
548e7bcd0c |
A wide variety of mostly CephFS fixes and cleanups, split between
changes that address edge cases (Sam, Xiubo, Matthew), efficiency improvements (Max) and AI-assisted hardening (Michael, Jeremy). One thing that stands out is Alex's change to how CephFS behaves in NEARFULL scenarios: the long-standing "make all writes synchronous" behavior has become opt-in. It was always somewhat controversial and doesn't make much sense for modern deployments; the new default is to continue normal operation (i.e. buffer writes as MDS allows, etc). The behavior in case the cluster reaches any FULL state remains the same as before. -----BEGIN PGP SIGNATURE----- iQFHBAABCgAxFiEEydHwtzie9C7TfviiSn/eOAIR84sFAmqRz9QTHGlkcnlvbW92 QGdtYWlsLmNvbQAKCRBKf944AhHzi/63CACpEmwY/3lOZ4M0IQV2UJqSWzNNtUDI Hdq7hosk5gRXP/gG1bV63i935Ibe/Sp6Cb/XkTRcrPIxy/1eky8PDZN3knPlPocM TMAdLKUOzzpmehqORWdVsEGSYIXuIfVhrey30pfHVLQc86orTj7worDZydYl8r3L K6nAM8gfcT9l9Sd4jtquaT61kqCcjXKPANlvUtt8oqniMRdpL63GnFHaU33n3XTE 5Dalh4YHtIL4gTA6xZLbZqOq+99QbmmqlqlMiwFNtrfpVtPO7HWHrEy61mYrKW7U Nr7HRF6X+MeUngZVI5AgrH5K6HtlE0SeHZt2XSKuMKGMG+I4dcygUcSr =F8+z -----END PGP SIGNATURE----- Merge tag 'ceph-for-7.3-rc1' of https://github.com/ceph/ceph-client Pull ceph updates from Ilya Dryomov: "A wide variety of mostly CephFS fixes and cleanups, split between changes that address edge cases (Sam, Xiubo, Matthew), efficiency improvements (Max) and AI-assisted hardening (Michael, Jeremy). One thing that stands out is Alex's change to how CephFS behaves in NEARFULL scenarios: the long-standing "make all writes synchronous" behavior has become opt-in. It was always somewhat controversial and doesn't make much sense for modern deployments; the new default is to continue normal operation (i.e. buffer writes as MDS allows, etc). The behavior in case the cluster reaches any FULL state remains the same as before" * tag 'ceph-for-7.3-rc1' of https://github.com/ceph/ceph-client: (32 commits) ceph: force a cap message when a deferred revoke can't be acked immediately libceph: reject buckets with mismatched CRUSH ids ceph: reject export_targets ranks >= CEPH_MAX_MDS in mdsmap decode ceph: fix leaked inode reference on writeback abort at umount libceph: remove ceph_put_page_vector() libceph: validate banner payload length ceph: make nearfull sync writes opt-in ceph: do not repeat ceph_trim_dentries() if no progress possible ceph: drop mdsc->mutex before decoding the MDS reply ceph: fix UAF in check_new_map() on session freed during unlock ceph: fix UAF in __kick_flushing_caps() on cf entry freed during unlock ceph: pass inode pointer around instead of reloading it ceph: mark cap remove with RB_CLEAR_NODE() instead of setting ci=NULL ceph: add helper function ceph_cap_is_removed() ceph: make __ceph_remove_cap() static ceph: cap delegated inode count in ceph_parse_deleg_inos() ceph: bound num_export_targets array for mds info v2/v3 ceph: bound MDSCapAuth path and fs_name decode in handle_session() ceph: bound xattr value length in __build_xattrs() ceph: bound copied dentry name length in NFS export get_name ... |
||
|
Linus Torvalds
|
ce727a090b |
This pull request contains updates for UBI and UBIFS:
UBI: - Support for a per-device wear-leveling threshold - Various fixes and cleanups of error paths - Correctly preserve torture flag up wear-leveling UBIFS: - Various fixes and cleanups of error paths and kernel-doc -----BEGIN PGP SIGNATURE----- iQJmBAABCABQFiEEdgfidid8lnn52cLTZvlZhesYu8EFAmqRnEsbFIAAAAAABAAO bWFudTIsMi41KzEuMTEsMiwyFhxyaWNoYXJkQHNpZ21hLXN0YXIuYXQACgkQZvlZ hesYu8HaKhAAuU11eCVhmQk9jpIdaOnFKwokE/PIj23SRz13jc7PWmFbAIHiaVt4 0p1Xd59kPfdFqsfBo6ZgSr+f0cQu2N1MjzZYSmaklG5iJk2+IuMOIvNdve/GFzNg X86J7yxLtrCq+ULNNgGv0m89G/uYoFP27Su0rAid4D2T5gYEOisXpPw5AhAL6+bS FLRMlt0QWCAtb66FmSeDgTW042NPoSCZNOsxF35X9hQ6RxvftB8mbggmTummmlgb K9Nsuwkarterq7JhS4X+RL6aZG7yDPfHVpdCDD6Ui4W0SP59W0oSokikm1myw6Yg 9NH67jUD03s0y/z3QaNiTVPuQXz5dpUyxGzK/FCT8y2aiycCDmwWF0VG8MVMhC0j TmNiuSWAljweaPSsgF176ISRG63++zwMGtz/JclVlkUwkVKYFbpEv5lcT0EzfCqh ahBlpM2aCLgJaYExd6LSVKEu0tT3+x+2MJDnRWcZM2OPMuL65IQw5V2lbdJN78Gb XFX6bfolhneptc2JwQKJx8E72iW7zuFovprTyS/J+TNcceFbfQTTcFt9EFZaXWnh +wiWm7rL7Xp9t8MA4Sc979oKFJMkAMl3Z6WTUHJWUZicX2hK+3OQaCVNO8LO/izu nPanrTeBnRiBKuAc5skQN5ywaAD3GgG/5ERWP/tdHkdsx34pcvuPnHQ= =+fCs -----END PGP SIGNATURE----- Merge tag 'ubifs-for-linus-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs Pull UBI and UBIFS updates from Richard Weinberger: "UBI: - Support for a per-device wear-leveling threshold - Various fixes and cleanups of error paths - Correctly preserve torture flag up wear-leveling UBIFS: - Various fixes and cleanups of error paths and kernel-doc" * tag 'ubifs-for-linus-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs: UBI: support per-device wear-leveling threshold UBI: fix two issues in the ubi.mtd MODULE_PARM_DESC mtd: ubi: Release device reference on busy detach ubi: Fix rollback for explicit UBI device numbers ubifs: fix out-of-bounds read in signature length check UBI: fastmap: Pass to_be_tortured when reusing old fastmap PEBs UBI: Preserve torture flag when rescheduling failed erasures ubifs: ubifs.h: clean up kernel-doc comments ubifs: key.h: use correct function parameter name ubifs: debug.h: fix kernel-doc struct prototypes |
||
|
Linus Torvalds
|
115bd364ab |
f2fs-for-7.3-rc1
In this round, key enhancements focus on reducing inode management memory
overhead, introducing resizable tail sections with unified pinned allocation,
and boosting I/O throughput via parallel multi-device flushes and asynchronous
f2fs_write_end_io() execution. We also add dynamic device alias reservations to
allow on-the-fly space donation from user partitions.
Alongside these features, critical bug fixes resolve folio race conditions,
lingering dirty flags, dentry and block counter leaks, and potential deadloops
in f2fs_fsync_node_pages(). Additional stability patches address error-path
handling across symlink, sync, and rename/unlink operations, prevent pinned file
fragmentation, and correct segment migration and free section accounting in
free_segment_range.
Enhancement:
- reduce memory footprint of ino management
- support dynamic reserve/release for device aliasing
- issue multi-device flushes in parallel
- add a way to run f2fs_write_end_io() asynchronously
- support resizable tail section and unify pinned allocation
Bug fix:
- fix to pass folio->index to f2fs_sanity_check_node_footer()
- fix folio_nr_pages() race after put in large folio invalidate
- fix to clear dirty flag on folio in error path
- accurately adjust free_sections during free_segment_range
- fix to avoid potential deadloop in f2fs_fsync_node_pages()
- fix the error path in symlink, device alias in rename/unlink,
f2fs_sync_fs,
- fix to migrate all curseg types during free_segment_range
- fix to avoid pinfile fragment on fragment:{block, segment} mode
- fix valid block count leak on data block allocation failure
- fix dentry folio leak in find_in_level
- reject overlapping move range after len expansion
- fix some bugs related to file pinning, GC functions, i_size.
And, the series includes a number of minor bug fixes.
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Merge tag 'f2fs-for-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
Pull f2fs updates from Jaegeuk Kim:
"In this round, key enhancements focus on reducing inode management
memory overhead, introducing resizable tail sections with unified
pinned allocation, and boosting I/O throughput via parallel
multi-device flushes and asynchronous f2fs_write_end_io() execution.
We also add dynamic device alias reservations to allow on-the-fly
space donation from user partitions.
Alongside these features, critical bug fixes resolve folio race
conditions, lingering dirty flags, dentry and block counter leaks, and
potential deadloops in f2fs_fsync_node_pages(). Additional stability
patches address error-path handling across symlink, sync, and
rename/unlink operations, prevent pinned file fragmentation, and
correct segment migration and free section accounting in
free_segment_range.
Enhancements:
- reduce memory footprint of ino management
- support dynamic reserve/release for device aliasing
- issue multi-device flushes in parallel
- add a way to run f2fs_write_end_io() asynchronously
- support resizable tail section and unify pinned allocation
Bug fixes:
- fix to pass folio->index to f2fs_sanity_check_node_footer()
- fix folio_nr_pages() race after put in large folio invalidate
- fix to clear dirty flag on folio in error path
- accurately adjust free_sections during free_segment_range
- fix to avoid potential deadloop in f2fs_fsync_node_pages()
- fix the error path in symlink, device alias in rename/unlink,
f2fs_sync_fs
- fix to migrate all curseg types during free_segment_range
- fix to avoid pinfile fragment on fragment:{block, segment} mode
- fix valid block count leak on data block allocation failure
- fix dentry folio leak in find_in_level
- reject overlapping move range after len expansion
- fix some bugs related to file pinning, GC functions, i_size
And, the series includes a number of minor bug fixes"
* tag 'f2fs-for-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (51 commits)
f2fs: support resizable tail section and unify pinned allocation
f2fs: don't leave the hashed inode while it's unlinked
f2fs: accurately adjust free_sections during free_segment_range
f2fs: fix to avoid potential deadloop in f2fs_fsync_node_pages()
f2fs: use adjusted write range after f2fs_write_checks()
f2fs: fix to propagate error from f2fs_sync_fs()
f2fs: return symlink writeback errors
f2fs: fix error handling on device alias check in rename and unlink
f2fs: fix to reset all pinned status during fggc
f2fs: use f2fs_{down, up}_(read, write}_trace() for nat_tree_lock
f2fs: reduce memory footprint of ino management
f2fs: fix i_size when pinned fallocate partially fails
f2fs: fix to migrate all curseg types during free_segment_range
f2fs: avoid setting SBI_NEED_FSCK on transient resize failure
f2fs: fix to avoid pinfile fragment on fragment:{block, segment} mode
f2fs: cleanup w/ f2fs_need_rand_{blk, seg, seg_blk}
f2fs: fix to shrink gc_lock coverage in f2fs_gc_range()
f2fs: fix to reclaim space in f2fs_allocate_pinning_section()
f2fs: unify add/remove ino entry API for all ino types
f2fs: fix to zero post-EOF data when extending file size
...
|
||
Eduard Zingerman
|
c6ff14f1cd |
selftests/bpf: half-dead scalar zero stack spill test
A test case demonstrating unsafe pruning when spill of a scalar zero spilled on a first pass in replaced by STACK_ZERO in the __clean_func_state(). Signed-off-by: Eduard Zingerman <eddyz87@gmail.com> Link: https://lore.kernel.org/r/20260827-bug-011-cleanfunc-stack-zero-simple-v1-v1-2-c0e996589a52@gmail.com Signed-off-by: Alexei Starovoitov <ast@kernel.org> |
||
|
Eduard Zingerman
|
2f3536bff8 |
bpf: don't downgrade half-dead scalar zero spills to STACK_ZERO
states.c:__clean_func_state() can downgrade scalar zero spill to
STACK_ZERO in the following case:
*(u64 *)(r10 - 8) = 0;
... checkpoint ...
r1 = *(u32 *)(r10 - 4);
... no reads from r10-8 ...
Here 4 bytes at r10-8 are dead and verifier changes scalar spill to a
combination: 0000pppp (p stands for poison). Such a change breaks
precision propagation chains. All places that produce STACK_ZERO
should call bpf_mark_chain_precision() for the zero source.
This patch fixes the bug in a simplest way possible:
avoids converting stack spills of zero to STACK_ZERO.
Two smarter approaches are possible:
- do bpf_mark_chain_precision() from __clean_func_state()
- check slot liveness information in check_stack_write_fixed_off()
I investigated both and the changes required are a bit tricky,
hence go with a simple fix for the time being.
Fixes:
|
||
|
Linus Torvalds
|
c20313e98b |
sound fixes for 7.3-rc1
A collection of various small fixes since the last PR.
Most changes are device-specific fixes, while there are a few fixes
addressing the issues reported recently by fuzzers.
Here are highlights:
* ALSA Core:
- Prevent adding invalid kcontrols to the LED layer
- Workaround for a false-positive mutex lockdep warning in rawmidi
* USB-audio:
- Relaxed the sticky mixer behavior check that caused regressions
- Fix an OOB write in Novation MIDI output
- Proper cleanup after system-resume errors
- Quirk updates for M-Audio Venom, Audient iD14 MkI, Logitech PRO X
Wireless, SMSL USB DAC, and Creative Sound Blaster Play! 3
HD-audio:
- Conexant headset plugin fixes
- Quirk additions and fixes for HP Laptop 15, Lenovo IdeaPad Slim 3,
TongFang XxAF5xxx, Lenovo Legion Pro 7, and Lenovo Yoga Pro 9
ASoC:
- DAPM: Fix off-by-one check on the second enum channel
- Tegra: Fix and sort register defaults
- AMD quirk updates for ASUS FA401EA, HP OmniBook X Flip 16,
HVY-WXX9/M1060, Alienware m18 R1, and MSI Thin A15 B7UC
- Fixes Qualcomm TDM handling
- Fix double put_device() on SoundWire
- Codec fixes for rt766, tac5xx2, rt712, tas2783, and max98926
Misc:
- Fix card leak on probe error on ice1712 driver
- Hardening for legacy aoa, mtpav and pcxhr drivers
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Merge tag 'sound-fix-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A collection of various small fixes since the last PR. Most changes
are device-specific fixes, while there are a few fixes addressing the
issues reported recently by fuzzers.
Here are highlights:
ALSA Core:
- Prevent adding invalid kcontrols to the LED layer
- Workaround for a false-positive mutex lockdep warning in rawmidi
USB-audio:
- Relaxed the sticky mixer behavior check that caused regressions
- Fix an OOB write in Novation MIDI output
- Proper cleanup after system-resume errors
- Quirk updates for M-Audio Venom, Audient iD14 MkI, Logitech PRO X
Wireless, SMSL USB DAC, and Creative Sound Blaster Play! 3
HD-audio:
- Conexant headset plugin fixes
- Quirk additions and fixes for HP Laptop 15, Lenovo IdeaPad Slim 3,
TongFang XxAF5xxx, Lenovo Legion Pro 7, and Lenovo Yoga Pro 9
ASoC:
- DAPM: Fix off-by-one check on the second enum channel
- Tegra: Fix and sort register defaults
- AMD quirk updates for ASUS FA401EA, HP OmniBook X Flip 16,
HVY-WXX9/M1060, Alienware m18 R1, and MSI Thin A15 B7UC
- Fixes Qualcomm TDM handling
- Fix double put_device() on SoundWire
- Codec fixes for rt766, tac5xx2, rt712, tas2783, and max98926
Misc:
- Fix card leak on probe error on ice1712 driver
- Hardening for legacy aoa, mtpav and pcxhr drivers"
* tag 'sound-fix-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (53 commits)
ALSA: control: Don't add invalid kcontrols to LED layer
ASoC: amd: acp-config: change quirks to cover all ASUS FA401EA variants
ALSA: hda/conexant: Always enable the headset-mic pin on plugin
ASoC: dapm: Fix off-by-one check on the second enum channel
ASoC: amd: acp-config: force SoundWire probe on HP OmniBook X Flip 16
ASoC: amd: acp3x-es83xx: Add HVY-WXX9/M1060 DMI quirk
ASoC: amd: acp-config: Add HVY-WXX9/M1060 DMI quirk
ASoC: soc-generic-dmaengine: Fix DMA channel request warning
ALSA: rawmidi: Another workaround for false-positive mutex lockdep warning
ASoC: amd: yc: Add DMI entry for Alienware m18 R1 AMD
ASoC: amd: yc: Add DMI entry for MSI Thin A15 B7UC
ALSA: hda/realtek: Fix speaker mute LED for HP Laptop 15-fd0039nt
ALSA: usb-audio: Complete cleanup after system-resume errors
ALSA: hda/realtek: Add quirk for Lenovo IdeaPad Slim 3 15ABR8
ALSA: aoa: i2sbus: Check IRQ before requesting it
ALSA: usb-audio: Skip mixer creation on M-Audio Venom
ALSA: usb-audio: Skip reading sample rate on M-Audio Venom
ASoC: rt766: add RT766/RT767 VA1 device IDs
ALSA: hda/realtek: Add quirk for TongFang XxAF5xxx
ALSA: usb-audio: fix OOB write in snd_usbmidi_novation_output()
...
|
||
|
Linus Torvalds
|
275bc4eedf |
RTC for 7.3
Subsystem: - patchwork project is moving to kernel.org - fully initialize clk_init_data - add missing MODULE_DEVICE_TABLE() - DT bindings conversions to DT schema Drivers: - ds1307: fix WADA bit for alarms on RX8130 - rzn1: add support for RZ/T2H and RZ/N2H, many fixes -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEBqsFVZXh8s/0O5JiY6TcMGxwOjIFAmqQtsEACgkQY6TcMGxw OjJlIhAAoIwDLpLYkKfiZ+WIEcYOQkEnU7TYGD9R01oNSlGFEUkKEd5oATm4Dmz7 DfNYEFi6oPF+GJVQyVFQVxOroaKdfG80KW1ydXQVk7oMUuqW6L/juivjncGm17r+ rzMOUaSFYOCGJkvsEqTNZBz6aBHV89pTIeuwDqeTrZvkJOUHDwcKvHh401AKnIif cylLWGu72ai8+qz/9+wBY7lVDEEnW4DsYc4JjLhpc5p7B/rtHgaiyuI57KvAOZLr QP3nO+Ffoj5D+WSuT/eebVujEj7FM8cGbQwDUqgGKfAvZg4HDqcnMwUp6j3/Z1nQ Zt3DRq760oZoW9lXZEKZEOcvGh7AY/xNwNjF5kG/vAYLuHzlsne4T50BvtijUHUP KvDN6yt3acWOnr/VTikuf84lpZEgm6lxBj2ek7uxMBkSm+L22LPXl0zIhrymiHLQ dyq/DLADmpKuJPhogRhqEcQ0xEh30R46oxR4+84rjMLW7kTjNoX52oZ+n7vDctmJ Z5Tgup65WfR3T4AKgB/DHAQYomisaAEXn+mw+QuwsIV3xrBoMaxuMVwqdN/nM6yY cu20yTZK5Ap/o0oFPDoYT9jQqmyipTvHVba0Q3XCD63qg5zGW3DU77KpbEDyIgSa g5uvWQHQMafJrhnCsTKJw8plMKxec63KWyIrDOXHFAppypZYBPA= =Br8X -----END PGP SIGNATURE----- Merge tag 'rtc-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux Pull RTC updates from Alexandre Belloni: "The RZN1 driver got a fairly comprehensive cleanup. More DT binding are converted to DT schema, leaving only 5 remaining files to convert. Subsystem: - patchwork project is moving to kernel.org - fully initialize clk_init_data - add missing MODULE_DEVICE_TABLE() - DT bindings conversions to DT schema Drivers: - ds1307: fix WADA bit for alarms on RX8130 - rzn1: add support for RZ/T2H and RZ/N2H, many fixes" * tag 'rtc-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (42 commits) MAINTAINERS: update rtc subsystem patchwork location rtc: msc313: Select by default on MSTARV7 rtc: microcrystal: Make sure clk_init_data is fully initialized rtc: philips: Make sure clk_init_data is fully initialized rtc: nct3018y: Make sure clk_init_data is fully initialized rtc: m41t80: Make sure clk_init_data is fully initialized rtc: hym8563: Make sure clk_init_data is fully initialized rtc: rzn1: Add support for Renesas RZ/T2H and RZ/N2H SoCs rtc: rzn1: Drop trailing comma from OF match table sentinel rtc: rzn1: Add OF match data to gate SUBU register access rtc: rzn1: use FIELD_PREP/FIELD_GET and GENMASK for register access rtc: rzn1: Consistently use dev_err_probe() rtc: rzn1: Use temporary variable for struct device rtc: rzn1: Dynamically calculate synchronization delay based on clock rate rtc: rzn1: Replace remove callback with devm_add_action_or_reset() rtc: rzn1: Use pm_runtime_put_sync() rtc: Kconfig: Broaden RTC_DRV_RZN1 dependency to ARCH_RENESAS rtc: rzn1: Fix malformed MODULE_AUTHOR string rtc: rzn1: Disable alarm interrupt before reprogramming alarm registers rtc: rzn1: Fix alarm range check truncation on 32-bit systems ... |
||
|
Linus Torvalds
|
afe0579334 |
Hi,
I had to think a lot how to put this into few paragraphs. I hope this will makes sense to you and I'm not too confusing. The bulk of this pull request are Ross Philipson's TPM enablers for the Trenchboot patch series. The commits expose TPM constants, and decouple and improve robustness of tpm_buf a bit in order to implement a minimal early TPM driver. Early boot code will call either SKINIT on AMD or GETSEC[SENTER] on Intel before jumping into kernel's entry point. They re-initalize TPM PCRs but leave up to the early boot code measure initrd, boot_params and Trenchboot associated metadata. The motivation here is just that we would want in future iterations of the series put our full focus to the x86 part of the review, and call it a day as per TPM changes. Further, even if Trenchboot turned out to be empty lottery the worst possible outcome for TPM driver is that things get cleaned up a bit. BR, Jarkko -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRE6pSOnaBC00OEHEIaerohdGur0gUCapClFwAKCRAaerohdGur 0vM5AQDnmMUmfGD4aNBKx/b2gxPIgBy8KTGLDUp5sUSHGVGjuAEAzMLSz3BtTXSV 7GaPKWp81egVjgp5/zxTbA83mEwfAwk= =Pq4i -----END PGP SIGNATURE----- Merge tag 'for-next-tpm-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd Pull TPM updates from Jarkko Sakkinen: "The bulk of this is Ross Philipson's TPM enablement for Trenchboot. That exposes TPM constants, and decouple and improve robustness of tpm_buf a bit in order to implement a minimal early TPM driver. Early boot code will call either SKINIT on AMD or GETSEC[SENTER] on Intel before jumping into kernel's entry point. They re-initalize TPM PCRs but leave up to the early boot code measure initrd, boot_params and Trenchboot associated metadata. The motivation here is just that we would want in future iterations of the series put our full focus to the x86 part of the review, and call it a day as per TPM changes. Further, even if Trenchboot turned out to be empty lottery the worst possible outcome for TPM driver is that things get cleaned up a bit" * tag 'for-next-tpm-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/jarkko/linux-tpmdd: tpm-buf: Add TPM buffer support header for standalone reuse tpm-buf: Memory-safe allocations tpm-buf: Remove chip parameter from tpm_buf_append_handle() tpm-buf: Merge TPM_BUF_BOUNDARY_ERROR and TPM_BUF_OVERFLOW tpm: Remove main TPM header from TPM event log header tpm: Move platform specific definitions to the new PTP header tpm: Move TPM common base definitions to the command header tpm: Move TPM2 specific definitions to the command header tpm: Move TPM1 specific definitions to the command header tpm: Initial step to reorganize TPM public headers tpm: st33zp24: Validate locality read result tpm: st33zp24: Return zero on status read failure tpm: tpm_tis_spi: fix nodef CR50 tpm_tis_spi_resume is null tpm: atmel: depend on X86 tpm: Remove redundant dev_err() tpm: tpm_i2c_nuvoton: disable IRQ on wait timeout |
||
|
Linus Torvalds
|
9df08cdd33 |
This push fixes a memory allocation overrun in crypto acomp.
-----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEn51F/lCuNhUwmDeSxycdCkmxi6cFAmqRLjEACgkQxycdCkmx i6dErxAApAYijF83H3Lg+dxKoLispqaTjT5yZKXZES19WBViPhuigDoxOA9Ca5EB L5UkSdC3hTKKd5f6DfyHpv44rnUSc178h+DpIaprHFHG3XJcl7pgPi87dNc7RkgD e9rBUi95VcJdT8OfTuGNd5xw/xL4IJA9uOJ93vLZduh8YzN0UzjYioMzIFFhbKNu gl6mGKfqh17DWRc44/WJYtH0Yu9wEQ06d1mXcLNILwshcLnv++5P0aRRMqTgtVib S6npHnci9LJW8f4zxJhfJzPKhA6Ln/GUOpCloSLhamqOVyrbaR9EVnD2TizRhQDy 0VL6eardJBjJbclLTSt686+JMx6KVVqIWo81KgXlrXuEBPH1plrS5MRgv/yr595C 1dVjqrJCivh6L4qWJLIxcb2NF1fWj6n7WV16Bxw69xW7I8FAJXZjSPN3UzB7PaQz Ei9+IL/Cz3n7oj52hatR1T3LO2yrhgzUaVfkvWqumlNH8wILPWHAbZz4/07uwEo7 v8XqDXuChgn8JJH0fZ31tYEx8K1KfU09FdBqaTcZlMVOBDfKbfXovw0uONs1P+8h YJii2CdHrvOZxdLrta5NO7z2ZpNISpjmjvqendkExGV+7v/dxhesYKY98Js8WCBB z7ax+7sGzkEDMtzdxiXmCBl+PQoYazH9uiC8k9MXaFR/xo93Jgs= =fR1o -----END PGP SIGNATURE----- Merge tag 'v7.3-p2' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 Pull crypto fix from Herbert Xu: "Fix a memory allocation overrun in crypto acomp" * tag 'v7.3-p2' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: crypto: acomp - allocate async request context when cloning |
||
|
Linus Torvalds
|
344be13211 |
ACPI support fix for 7.3-rc1
Revert an incomplete recent commit that may cause ACPI device power management to stop working. -----BEGIN PGP SIGNATURE----- iQFGBAABCAAwFiEEcM8Aw/RY0dgsiRUR7l+9nS/U47UFAmqRrBQSHHJqd0Byand5 c29ja2kubmV0AAoJEO5fvZ0v1OO1msIIAKj2Xn9VA93zUk/XANzhM/k0yrapAuPx qrimF5LyaCLcNEQwfdlHQMK9gOwLIjWon89JQ/7qK1ynG1Bqc+1X60n+lD066cMh s2h24QXvMfO2Ax9TqexXxQuD4TW8v23mUZBXKE6CSjH5rtUuhqL5AspsibSTQiPK p1YN9e1SZjLlvx1L1e7ctvQmp3wOiTlhAfYzPzjp18P6LHI4taae+l97MXPIVWQU 7vL6AbLZRt8UdGFiADkTtRpu+jA7ppTiCzA0r3i1WKkShLVuHioPXYG7eytSC2Tk pS026hi9qin7zMtAJxh2wwz1ZS/TzVtLhL5e7ZMUd425zRLy+RSR+Sc= =Q3HL -----END PGP SIGNATURE----- Merge tag 'acpi-7.3-rc1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull ACPI support fix from Rafael Wysocki: "Revert an incomplete recent commit that may cause ACPI device power management to stop working" * tag 'acpi-7.3-rc1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: Revert "ACPI: scan: Defer device power initialization" |
||
|
Linus Torvalds
|
9d607ae0f7 |
arm64 fixes for -rc1
- Fix address handling of final memory region in ptdump - Fix emulation of decrementing load/store multiple from 32-bit task - Fix SCTLR context-switching for store-only MTE mode - Fix numerous issues in MTE selftests -----BEGIN PGP SIGNATURE----- iQFEBAABCgAuFiEEPxTL6PPUbjXGY88ct6xw3ITBYzQFAmqRTQQQHHdpbGxAa2Vy bmVsLm9yZwAKCRC3rHDchMFjNAXpCADI7oz3aSuRJ3aRmMz5Vv4EvPjTrNcc5gi0 H91Qkl+UMN0DJGqt+1ZZBhm6Kv3rvrtj6UaEk1SycEV+jg2IWbhd1C1UTZCd5Lf9 0jiJdsoOgeTKahhFX9pU+QJCNpFqI+DORc+TYWB2uwN39OWPrHOXgJtdePNNYb1h UyCIRK+PEbXnA6LDxWokuzO70EddRIcpW2eT7WOWpgA2FNwN5DzsXdviosylZAtp xhjvpTJv/LNbMeBXalH91IKDbRCAWEvEY8j2BSOkcFxGFOA3aXrVh5sWKdFeqKis VoWZQTDtpHj1Mw0eCMn77H0r6uxXn/skCcd8pwfIFA7EnGguAcBB =/QWC -----END PGP SIGNATURE----- Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux Pull arm64 fixes from Will Deacon: "A mixture of ptdump, compat and MTE fixes that came in during the merge window: - Fix address handling of final memory region in ptdump - Fix emulation of decrementing load/store multiple from 32-bit task - Fix SCTLR context-switching for store-only MTE mode - Fix numerous issues in MTE selftests" * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: selftests/arm64: Add MTE test config fragment selftests/arm64: Fix MTE prctl TAP plan selftests/arm64: Treat KSM merge_across_nodes as optional selftests/arm64: Print missing MTE TAP headers arm64: compat: Fix decrementing LDM/STM alignment emulation arm64: process: Fix context switching MTE store-only tag check KVM: arm64: ptdump: Flush the last region arm64: ptdump: Make note_page_flush() range aware |
||
|
Linus Torvalds
|
72ecc30d60 |
Xtensa updates for v7.3
- use strnlen() to improve iss_console_write() - remove unused function setup_profiling_timer() - fix CONFIG_XTENSA_CALIBRATE_CCOUNT macro name in comment -----BEGIN PGP SIGNATURE----- iQJHBAABCgAxFiEEK2eFS5jlMn3N6xfYUfnMkfg/oEQFAmqRXFYTHGpjbXZia2Jj QGdtYWlsLmNvbQAKCRBR+cyR+D+gRJ0MD/4tuDraKBOimGv/U23u8Aphgc7z8TSH fyy6kHKLMfAX4rJ1ks/91urzOCZ9xX81DNNGF4KxGeB+YAEhUn7Su+dA5v2Aay8O o9oZaT9IZybxu+OF54N4HBYmbVKA6qh283daW7ZBDtKNPQUmmmxKnCjoZv1bJF4D Qa8cmmRsgK/t9S5MUmgqpij3d4EnD8zK6uRRNy5r1NPPRi+TPWugDt9h/ZaSQ9+/ nReqRu8q3xn9Xuy3zus27kd5KdnUDKM51boBEvh74OpPbL58HINlyPf3VdyHTOfH ZM2RQS8UZWmlHpbVNlrH+zRMShQKSIPWDEidP5P4oGs+jiEnuYUKDuRQlUQwdIbL BSxuRXe18AWN1kDbZkdCuLtKPL9ayxBD0/tgFIdUpropET77jGl7VnVDxCtOvJxk cfAM+qG9kER6+HsAzGo0T0o4n7oTNQ++TIaDRI+E1Yvd+E5FKfQhbG+kWaM9SB+y T/Ht4OTgF2QSflCg5T+4PBJmrTC9AUHDpZFp/SIF5agTsNCEU6x4jcYYiaREAIDK E5S2xBONUBdakNWevzT/c0M3NxbcTf0Zkmxx2y/A9HtrmPMjdIRPRaMBc2csO5he M70l70SLoOtmQFLIAOP3FuCc5CuiWaxMFj8nCvVu7UUiBHOr6Q939n5+j8h1EsXJ qsDBz6otDoR6Cg== =Lvt4 -----END PGP SIGNATURE----- Merge tag 'xtensa-20260828' of https://github.com/jcmvbkbc/linux-xtensa Pull Xtensa updates from Max Filippov: - use strnlen() to improve iss_console_write() - remove unused function setup_profiling_timer() - fix CONFIG_XTENSA_CALIBRATE_CCOUNT macro name in comment * tag 'xtensa-20260828' of https://github.com/jcmvbkbc/linux-xtensa: xtensa: remove unused setup_profiling_timer function xtensa: correct CONFIG_XTENSA_CALIBRATE_CCOUNT macro name in comment tty: xtensa/iss: use strnlen to improve iss_console_write |
||
|
Linus Torvalds
|
874b43b9f3 |
m68knommu: updates and fixes for v7.3
, new defconfigs for 2 more ColdFire boards . change to use linux/gpio/legacy.h . add platform setup for reset device of the 5441x SoC boards -----BEGIN PGP SIGNATURE----- iQJEBAABCgAuFiEEmsfM6tQwfNjBOxr3TiQVqaG9L4AFAmqQ02gQHGdlcmdAa2Vy bmVsLm9yZwAKCRBOJBWpob0vgLezD/9e8dYKwAtkclfd6wkSBVoBIG2f3yFWKDaf 0lAV/oZJjvo4lEAbS4ADzQUnFjn+MIQBRi9QL4TaekDJx612BNK3OF71etOT/7o6 h0EylRBoZ6SDSjFlm9jEtf+nu1XzlfAwRkE229pKAmPK0OBI9+z0/XQTjCh8Ag8h 1afRS3DoPDpku8vIU24LlbUtD89m1YjesRayL2KI7mBS4TTatGo+IeGPNlmJGIcz 03SytqwhxK3r1QNecOOVDOpxx9efPHWNkgo5fDi+N3XkPRm2X3ruAlsGbfvbNeZG pi30nugw57oAzBrUGSKYetdd9v/452Q336+CiDG1rVTQiJomgcW6Gu+Ps5jS9JpD b8aujjCnGVmfD7r3VQG4o96dgQFvB2hM4zQtslTagbTAWUYOBcDNSgtClGkfS2OB gxBTPGS0Ulos2CzQWoPW4LqP3k+8EcEsLUb5CNZGX3XlAWeoFOunS4lmtdxqJ7hD ndtINEBUE74C6+ns3RvIKhUKKZOIqwkqxYdw2ScsPxJlupDZssFdBEVEh4AQkFz8 UywfPwG6pWXD2Qj/FPpX3miU79jl9gawfnZv+KT9VZy+KjoZrS05WfrFFu9AB4rI BR8kXnynUCpn4RWqWVF+z+sJSPwWqJbQmZU5uyithMUb0OFyWzKFvggVja4B0Qit nbb09BEuWA== =JjnP -----END PGP SIGNATURE----- Merge tag 'm68knommu-for-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu Pull m68knommu updates from Greg Ungerer: "This includes a couple more new defconfigs to improve test build coverage, changes to use the more correct linux/gpio/legacy.h and platform setup for the reset device of the ColdFire 5441x SoC hardware. - new defconfigs for 2 more ColdFire boards - change to use linux/gpio/legacy.h - add platform setup for reset device of the 5441x SoC boards" * tag 'm68knommu-for-v7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu: m68k: coldfire/5441x: register mcf-rcm-reset platform device m68k/coldfire: replace linux/gpio.h inclusions m68k: defconfig: add config for M5282EVB board m68k: defconfig: add config for M52358EVB board |
||
Dave Airlie
|
a8b02aa825 |
amd-drm-next-7.3-2026-08-27:
amdgpu: - MES fixes - Userq fixes - UVD fix - VCE 3 fix - Enforce isolation fix - HPD fix for VGA/LVDS - DML fix - DCN 6 fixes - DC gpu reset fix amdkfd: - CU occupancy for GFX 11 - CU occupancy for GFX 12/12.1 - Queue bounds checking fix - SVM fixes - CRIU bounds checking fix -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQQgO5Idg2tXNTSZAr293/aFa7yZ2AUCapCelwAKCRC93/aFa7yZ 2FOmAP9u55LTGI137PLTeFN9INERvW8NcYsyhW2BHRR60cA9mQEAmvepnMcTMrtC yYey6hwuRp/8KYCbxk2bd7TK+ZUbGQE= =rLPa -----END PGP SIGNATURE----- Merge tag 'amd-drm-next-7.3-2026-08-27' of https://gitlab.freedesktop.org/agd5f/linux into drm-next amd-drm-next-7.3-2026-08-27: amdgpu: - MES fixes - Userq fixes - UVD fix - VCE 3 fix - Enforce isolation fix - HPD fix for VGA/LVDS - DML fix - DCN 6 fixes - DC gpu reset fix amdkfd: - CU occupancy for GFX 11 - CU occupancy for GFX 12/12.1 - Queue bounds checking fix - SVM fixes - CRIU bounds checking fix Signed-off-by: Dave Airlie <airlied@redhat.com> From: Alex Deucher <alexander.deucher@amd.com> Link: https://patch.msgid.link/20260827203610.3249084-1-alexander.deucher@amd.com |
||
|
Dave Airlie
|
1dd31281a6 |
Cross-subsystem Changes:
- i2c global register definitions as dependency for xe/i2c fixes. (Heikki) Driver Changes: - Media workardound (Daniele) - Add CCS to gt_idle debugfs print (Bala) - Page fault related fix (Arvind) - i2c related fixes (Heikki) - System Controller mailbox bit fix (Anoop) -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEbSBwaO7dZQkcLOKj+mJfZA7rE8oFAmqQaxYACgkQ+mJfZA7r E8qk4Af/bhSe/FRSilbfWyH++BqBM2141oAtR2TXyZCEdRPSEr4sBLAJ0UlZyrKE 50gVsvnmwpBMnb/h4AQWRnAEjs8FahgkDeRECwj8HXfBvAM5i/jA3v7r3DnP8WOL cNmdv8l+Bs6JO60bjsfjiDo6HFQfvfvk52Tbn1xw/zX9jlugm18Vl4tg5U7H0jaK 60QCgRNN3CJtFFW7Xb9qwJuVkchOxijnx5o9N57ms/6riXLSquwFvCxTqvRMO5mJ RVJpMgaU3qRz0XWi8eA+jF5a8bBUksrf3xiDhOpO3jSdzgIoXXkHPer+nDJFld15 H4K0WtUwGuULXjL6euh7AC/e9GOrSw== =3/XE -----END PGP SIGNATURE----- Merge tag 'drm-xe-next-fixes-2026-08-27' of https://gitlab.freedesktop.org/drm/xe/kernel into drm-next Cross-subsystem Changes: - i2c global register definitions as dependency for xe/i2c fixes. (Heikki) Driver Changes: - Media workardound (Daniele) - Add CCS to gt_idle debugfs print (Bala) - Page fault related fix (Arvind) - i2c related fixes (Heikki) - System Controller mailbox bit fix (Anoop) Signed-off-by: Dave Airlie <airlied@redhat.com> From: Rodrigo Vivi <rodrigo.vivi@intel.com> Link: https://patch.msgid.link/apBrVgvZwIRIfuhR@intel.com |
||
Ivan Immanuel Shaji
|
5eab74874d |
ring-buffer: Stop remote reader update when page swap fails
The remote swap_reader_page callback can return -EBUSY when the writer
moves the head before the remote catches it, particularly during an event
storm on a small buffer. __rb_get_reader_page_from_remote() currently
warns about that failure but continues with the unchanged reader ID and
rearranges the local page list as though the swap succeeded.
Handle the callback failure as a recoverable error. Report it with
pr_warn_ratelimited() and return NULL. Callers already handle a NULL reader
page as a failed attempt. This avoids splicing the same page as both the
previous and new reader without flooding the log under contention.
Cc: stable@vger.kernel.org
Fixes:
|
||
|
Ivan Immanuel Shaji
|
e0d3aed7b1 |
tracing: Fix retry exhaustion in simple ring buffer reader swap
simple_ring_buffer_swap_reader_page() starts with retry set to 8 and
post-decrements it only after a failed link replacement. On the final
attempt, a successful replacement leaves retry at zero, while a failed
replacement leaves it at -1.
The current !retry test reverses both outcomes. It returns an error after
a successful final replacement, leaving the link update complete but the
reader bookkeeping unfinished. After a failed final replacement, it
falls through and updates the head and reader pointers as though the
replacement succeeded, which can corrupt the ring.
Treat only a negative counter as exhaustion and return the documented
-EBUSY error.
Cc: stable@vger.kernel.org
Fixes:
|
||
Jérémy Jean
|
390f6bd858 |
tracing/user_events: Clear copied tracing state before fork duplication
dup_task_struct() copies user_event_mm from the parent into the child,
without grabbing a reference to it. user_event_mm_dup() should
replace it, but it leaves that copied pointer unmodified if
user_event_mm_alloc() fails.
When the child exits, user_event_mm_remove() decrements a reference
the child never owned, which ultimately frees user_event_mm, while
the parent still as a stale pointer to it. This creates a UAF, which
KASAN reports as:
BUG: KASAN: slab-use-after-free in
current_user_event_mm+0x51/0x1d0 Write of size 4 at addr
ffff888005010d30 by task init/44
Call Trace:
<TASK>
kasan_report+0xce/0x100
kasan_check_range+0x10f/0x1e0
current_user_event_mm+0x51/0x1d0
user_events_ioctl+0x82e/0x15c0
__x64_sys_ioctl+0x139/0x1c0
do_syscall_64+0xce/0x450
entry_SYSCALL_64_after_hwframe+0x77/0x7f
Allocated by task 44:
__kasan_kmalloc+0x8f/0xa0
__kmalloc_cache_noprof+0x180/0x3a0
user_event_mm_alloc+0x3c/0x1f0
current_user_event_mm+0x88/0x1d0
Freed by task 42:
__kasan_slab_free+0x43/0x70
kfree+0x13a/0x390
process_one_work+0x696/0xf90
worker_thread+0x420/0xba0
The fix simply clears the copied pointer before any possible failure.
In case of failure, the child then has nothing to free.
Cc: stable@vger.kernel.org
Fixes:
|
||
Vasileios Almpanis
|
b15b548d52 |
i2c: core: fix debugfs UAF on adapter removal
i2c_del_adapter() frees the adapter's debugfs directory before it
unregisters the adapter device, but the new_device sysfs attribute
stays writable until device_del(). A write racing with removal still
reaches i2c_device_probe(), which passes the freed adap->debugfs to
debugfs_create_dir() as the new client's parent:
BUG: KASAN: slab-use-after-free in lookup_noperm_common+0x407/0x430
Read of size 4 at addr ffff88803ef87810 by task syz.0.61/6090
lookup_noperm_common+0x407/0x430
simple_start_creating+0x9c/0x110
debugfs_start_creating+0xdb/0x1a0
debugfs_create_dir+0x24/0x350
i2c_device_probe+0x814/0xbf0
It's technically possible to create a client after i2c_deregister_clients
has run. That client will never be unregistered and make
wait_for_completion hang.
Close the window by removing the new_device attribute at the start of
i2c_del_adapter(). device_remove_file() will drain any clients left.
Fixes:
|
||
Carlos Song
|
27c9445be8 |
i2c: imx-lpi2c: avoid accessing target registers on master-only controllers
Not all LPI2C controller instances implement the Target block.
Since commit 90311787f483 ("i2c: imx-lpi2c: reset controller in
probe stage"), the driver unconditionally resets both the Master
and Target blocks during probe.
On controllers that do not support target mode, accessing the
Target registers triggers an asynchronous SError and prevents the
driver from probing successfully. For example on i.MX8QM:
SError Interrupt on CPU2, code 0x00000000bf000002 -- SError
Hardware name: Freescale i.MX8QM MEK (DT)
pc : lpi2c_imx_probe+0x280/0x594
lr : lpi2c_imx_probe+0x224/0x594
Kernel panic - not syncing: Asynchronous SError Interrupt
The VERID register is implemented in the Master block and can be
safely accessed on all controller variants. Its FEATURE field
indicates whether target mode is supported.
Read VERID during probe and use it to determine whether the
Target block is present. Only access Target registers when target
mode is supported and reject target registration requests with
-EOPNOTSUPP otherwise.
Fixes: 90311787f483 ("i2c: imx-lpi2c: reset controller in probe stage")
Signed-off-by: Carlos Song <carlos.song@nxp.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
Link: https://patch.msgid.link/20260803032705.2250373-1-carlos.song@oss.nxp.com
|
||
Guangshuo Li
|
f98d498648 |
i2c: qcom-cci: fix autosuspend cleanup
cci_probe() calls pm_runtime_use_autosuspend(), but the remove path
does not call the matching pm_runtime_dont_use_autosuspend() before
disabling runtime PM.
If the autosuspend delay is set to a negative value while autosuspend
is enabled, the runtime PM core increments usage_count to prevent
runtime suspend. Without undoing the autosuspend setting during
teardown, this reference is not dropped and usage_count remains
unbalanced.
Use devm_pm_runtime_set_active_enabled() to manage the runtime PM
state. Its managed cleanup disables autosuspend and runtime PM and
restores the suspended state on probe failure and driver removal.
Remove the now redundant manual runtime PM cleanup.
This issue was found by manual code inspection.
Fixes:
|
||
Hongbo Yao
|
77549d01ed |
i2c: designware: Enable interrupt mask workaround for HJMC3001
On HJMicro ARM64 servers, the DesignWare I2C controller does not
retrigger a pending interrupt if the interrupt status changes after
the current status bits have been cleared.
The issue is exposed under heavy system load when the corresponding
SPI is routed across sockets to a core in the remote socket. The
interrupt is then lost and the I2C transfer times out.
Enable ACCESS_INTR_MASK for HJMC3001. This toggles DW_IC_INTR_MASK
before returning from the interrupt handler and retriggers any
pending interrupt.
Fixes:
|
||
Kathiravan Thirumoorthy
|
a4f3fbccb6 |
i2c: qcom-geni: update frequency table to fix timing parameters
In IPQ5424, to meet the setup and hold timing requirements in the standard mode, update the frequency table with the values recommended by HW design team. Also remove the stray space in the I2C_MAX_FAST_MODE_FREQ entry. Fixes: |
||
Alexandre Belloni
|
afce9701d6 |
MAINTAINERS: update rtc subsystem patchwork location
The RTC subsystem is migrating it patchwork to kernel.org. Link: https://patch.msgid.link/202608212007582a463833@mail.local Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> |
||
|
Linus Torvalds
|
1b78070aae |
Including fixes from Bluetooth, IPSec and Netfilter.
Current release - fix to a fix:
- netfilter: ipset: remove need to allocate memory on delete operations
Current release - regressions:
- macb: drop CONFIG_OF #if block, fix build
Previous releases - always broken:
- stream of fixes for SCTP continues
- inet: frags: strip GSO state from fragments before reassembly
- virtio-net: ensure that TCP packets don't overflow gso_segs
- tcp-ao: fix use-after-free of current_key on reconnect to another peer
- page_pool: remove zone/policy GFP flags when allocating XArray entries
- Bluetooth: L2CAP: reject accept queue add unless BT_LISTEN
- tls: device: fix out-of-bounds write in tls_append_frag()
- eth: bnxt:
- ring the doorbell when SW USO exits early, avoid packets stuck in Tx
- gate TPH enablement behind BNXT_SUPPORTS_QUEUE_API check, avoid users
of older NICs seeing non-actionable warning messages
- eth: qede: fix NULL pointer dereference in TPA fragment processing
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from Bluetooth, IPSec and Netfilter.
Current release - fix to a fix:
- netfilter: ipset: remove need to allocate memory on delete operations
Current release - regressions:
- macb: drop CONFIG_OF #if block, fix build
Previous releases - always broken:
- stream of fixes for SCTP continues
- inet: frags: strip GSO state from fragments before reassembly
- virtio-net: ensure that TCP packets don't overflow gso_segs
- tcp-ao: fix use-after-free of current_key on reconnect to another
peer
- page_pool: remove zone/policy GFP flags when allocating XArray
entries
- Bluetooth: L2CAP: reject accept queue add unless BT_LISTEN
- tls: device: fix out-of-bounds write in tls_append_frag()
- eth: bnxt:
- ring the doorbell when SW USO exits early, avoid packets stuck
in Tx
- gate TPH enablement behind BNXT_SUPPORTS_QUEUE_API check, avoid
users of older NICs seeing non-actionable warning messages
- eth: qede: fix NULL pointer dereference in TPA fragment processing"
* tag 'net-7.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (216 commits)
inet: frags: strip GSO state from fragments before reassembly
net/sched: sch_htb: limit htb_classify inner-class filter hops
selftests/net: packetdrill: add tcp_urg_ptr_retransmit
tcp: fix corruption of urgent data on multi-segment retransmit
usb: atm: usbatm: fix invalid ci_range initialization
net: fec: only stop PTP if it was initialized
slip: remove slip_hangup() to fix use-after-free in slip_receive_buf()
net: bridge: mcast: fix use-after-free of a master VLAN's multicast context
net/sched: bound qdisc_pkt_len to prevent qdisc soft lockup
net: dsa: mxl862xx: enable assisted learning on CPU port
net: stmmac: restore NET_IP_ALIGN in the RX DMA offset
net: stmmac: drop gso_enabled_types and rely on netdev features
net: stmmac: selftests: Don't test flow control for small rx fifos
net: stmmac: selftests: Account for the UC filter list for filtering tests
net: stmmac: dwxgmac: Account for the primary MAC address for UC filtering
net: stmmac: dwmac4: Account for the primary MAC address for UC filtering
net: stmmac: dwmac1000: Account for the primary MAC address for UC filtering
net: stmmac: selftests: Check multiple MMC counters
selftests: net: Fix slow configurations in big_tcp_tunnels.sh
selftests: net: Lower threshold with csum offload off in big_tcp_tunnels.sh
...
|
||
|
Jakub Kicinski
|
4a9d62a877 |
netfilter pull request 26-08-27
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Merge tag 'nf-26-08-27' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf
Pablo Neira Ayuso says:
====================
Netfilter fixes for net
The following patchset contains Netfilter fixes for net:
1) Use DEBUG_NET_WARN_ON_ONCE() instead of WARN_ON() from the tproxy
datapath, a recent bug found a way to reach WARN_ON from datapath
due to insufficient validation of xt_TPROTO checkentry.
From Fernando F. Mancera.
2) Similar to previous patch to replace WARN_ON_ONCE by
DEBUG_NET_WARN_ON_ONCE() for connlimit. Not known issue, but
since this patch has been around for a while, let's merge it.
Also from Fernando.
3) Move nf_tables harware offload commit path after chain blob
and audit to reduce chances of leaving the hardware in
inconsistent state.
4) Add missing vzeroupper to nf_tables pipapo AVX2 to address
performace degradation to later user of SSE code,
from Eric Biggers.
5) Remove pr_debug() in x_tables extensions, a recent bogus found a
way to print a unsanitized string in xt_IDLETIMER, many of these
pr_debug() calls are there for historical reasons.
6) Use pr_info_ratelimited() in x_tables .checkentry.
7) Fix an imbalance in module refcount due to incorrect override
expression logic with sets. Remove unnecessary clone in control
plane, use the existing expressions provided by set or dynset
expression. Release override expressions only.
8) Tigthen nf_tables device name removal, it is possible to remove
prefix strings with exact device name. From Fernando F. Mancera.
9) Set on the set dead bit earlier, otherwise it is possible to
call .commit on deleted sets. This also addresses the
re-introduction of a bug.
* tag 'nf-26-08-27' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf:
netfilter: nf_tables: remove leftover set_update_list
netfilter: nf_tables: set on dead bit when performing early element removal
netfilter: nf_tables: skip double clone set expressions on element insert
netfilter: x_tables: replace pr_{info,err}() by pr_info_ratelimited()
netfilter: x_tables: remove pr_debug
netfilter: nft_set_pipapo_avx2: add missing vzeroupper
netfilter: nf_tables: move hardware offload step after building the chain blob
netfilter: conncount: use DEBUG_NET_WARN_ON_ONCE on reaching count limit
netfilter: tproxy: use DEBUG_NET_WARN_ON_ONCE for protocol fallbacks
====================
Link: https://patch.msgid.link/20260827141733.423453-1-pablo@netfilter.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
||
|
Linus Torvalds
|
3ba13f5e71 |
Devicetree fixes for v7.3, part 1:
- Fix possible out-of-bounds access in of_alias_scan() - Fix refcount leak in of_irq_get_affinity() - Add Qualcomm SPMI PMIC haptics input which is already referenced -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEktVUI4SxYhzZyEuo+vtdtY28YcMFAmqQfDwACgkQ+vtdtY28 YcNnZA//TU5OaPuR+cqEdxGUagr1kDhjwfKkOde2h6d1b73f8FWL3r6/vM1ThKVK e0RVIcFg39ZYHoNMGUp/LSZUTy8jWUpGbTCCivszPvvFfocLwv9k/FU5LDFtpInl jBA02byU4GLWSgDi1DOTaok17HfM6PtFKlilqk/NYGP7WnajknCe+45WglHMMWg/ SXNZeLGQXC7OZtuqgzqNJqWWzeT+8V0Xl+M8tZk4zljghGkXo0vJ4c7TPNRGY5Gh e9NPtTyMjJL7y92jKUWb5JTX8W8Wu+uttq6e8q38gkO9lcK0iNVKU5zZNKRMhrlC 7500fS9IG5BLV5Fu1eJ8s+LLlBMim1QUjZW9N6+577kVXFi5mfrBkqI5xzUZcn5f p5zdyJUT9PeLAVXBotC3ZwWxrKqr6e41OXmSjdch4WoyXVmgcVi0qBgO+fVc92au Csfj7/Z/B0jC5YuVQu9qJshXeeCQuTJLluL+/t4jNykSmdjc5cw4Kvom9yrvmlDv yBYObHu7cLaRzPd6y7qq2BMk7eEztF7ebQj75SantdYT94NJQq9zaSoQc7vA3w5R GiLNu0+K6ZHKoGjn32gIJhvgMq/xK//XXFkK+dKqRZD5s4nZ5oNSR8rj19P4JRo8 LM+hi5f3f5Xpi7efgXmQGRR0eKyOHV/7oTm5o/BapeuAgaJuEqA= =5Xnn -----END PGP SIGNATURE----- Merge tag 'devicetree-fixes-for-7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux Pull devicetree fixes from Rob Herring: - Fix possible out-of-bounds access in of_alias_scan() - Fix refcount leak in of_irq_get_affinity() - Add Qualcomm SPMI PMIC haptics input which is already referenced * tag 'devicetree-fixes-for-7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: of: fix out-of-bounds read in of_alias_scan() stem parser of/irq: Fix device node refcount leak in of_irq_get_affinity() dt-bindings: input: Add Qualcomm SPMI PMIC haptics |