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INFO: rcu detected stall in sys_sendmmsg (7)

Status: upstream: reported on 2024/11/30 18:05
Subsystems: net
Labels: prio:high
[Documentation on labels]
Reported-by: syzbot+53e660acb94e444b9d63@syzkaller.appspotmail.com
First crash: 744d, last: 22h52m
▶ ▼ ✨ AI Jobs (1)
ID Workflow Result Correct Bug Created Started Finished Revision Error
1d11cab4-fd3b-4312-958b-69471445a128 assessment-security DenialOfService: ✅ Exploitable: ❌ FilesystemTrigger: ❌ NetworkTrigger: ❌ PeripheralTrigger: ❌ RemoteTrigger: ❌ Unprivileged: ✅ UserNamespace: ❌ VMGuestTrigger: ❌ VMHostTrigger: ❌ ❓ INFO: rcu detected stall in sys_sendmmsg (7) 2026/05/26 00:55 2026/05/26 00:55 2026/05/26 01:44 c69befb30ac10e158cc9d1557b508ee3f0eca1de
▶ ▼ Discussions (6)
Title Replies (including bot) Last reply
[syzbot] Monthly tipc report (Feb 2026) 0 (1) 2026/02/20 07:32
[syzbot] Monthly bpf report (Feb 2026) 0 (1) 2026/02/06 14:30
[syzbot] Monthly tipc report (Aug 2025) 0 (1) 2025/09/01 07:38
[syzbot] Monthly bpf report (Mar 2025) 0 (1) 2025/03/23 22:24
[syzbot] Monthly netfilter report (Dec 2024) 0 (1) 2024/12/13 13:16
[syzbot] [bpf?] [netfilter?] INFO: rcu detected stall in sys_sendmmsg (7) 0 (1) 2024/11/30 18:05
▶ ▼ Similar bugs (18)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: rcu detected stall in sys_sendmmsg (2) mm 1 2 2381d 2381d 0/29 closed as invalid on 2019/12/04 14:14
upstream INFO: rcu detected stall in sys_sendmmsg (6) mm 1 3 910d 957d 0/29 auto-obsoleted due to no activity on 2024/03/11 17:33
linux-6.1 INFO: rcu detected stall in sys_sendmmsg 1 2 685d 732d 0/3 auto-obsoleted due to no activity on 2024/11/01 14:13
linux-6.1 INFO: rcu detected stall in sys_sendmmsg (3) 1 3 97d 193d 0/3 upstream: reported on 2025/11/28 13:27
linux-5.15 INFO: rcu detected stall in sys_sendmmsg (4) origin:lts-only 1 C error 7 160d 243d 0/3 upstream: reported C repro on 2025/10/10 06:08
linux-6.1 BUG: soft lockup in sys_sendmmsg 1 2 1075d 1104d 0/3 auto-obsoleted due to no activity on 2023/10/08 22:57
linux-5.15 INFO: rcu detected stall in sys_sendmmsg 1 1 1162d 1162d 0/3 auto-obsoleted due to no activity on 2023/08/02 15:37
upstream INFO: rcu detected stall in sys_sendmmsg (3) kernel 1 3 1615d 1715d 0/29 closed as invalid on 2022/02/08 10:00
linux-5.15 INFO: rcu detected stall in sys_sendmmsg (2) 1 1 762d 762d 0/3 auto-obsoleted due to no activity on 2024/08/17 11:17
upstream INFO: rcu detected stall in sys_sendmmsg (5) net 1 3 1101d 1115d 0/29 auto-obsoleted due to no activity on 2023/09/03 00:09
linux-5.15 INFO: rcu detected stall in sys_sendmmsg (3) 1 16 403d 623d 0/3 auto-obsoleted due to no activity on 2025/08/10 13:38
linux-6.1 INFO: rcu detected stall in sys_sendmmsg (2) 1 1 383d 383d 0/3 auto-obsoleted due to no activity on 2025/08/31 10:43
upstream INFO: rcu detected stall in sys_sendmmsg net 1 2 2465d 2465d 13/29 fixed on 2019/10/09 10:54
upstream INFO: rcu detected stall in sys_sendmmsg (4) net 1 1 1414d 1414d 0/29 auto-obsoleted due to no activity on 2022/10/25 00:28
android-5-15 BUG: soft lockup in sys_sendmmsg 1 1 745d 745d 0/2 auto-obsoleted due to no activity on 2024/08/24 08:55
android-6-1 BUG: soft lockup in sys_sendmmsg 1 1 957d 957d 0/2 auto-obsoleted due to no activity on 2024/01/25 01:21
android-5-10 BUG: soft lockup in sys_sendmmsg 1 2 660d 660d 0/2 auto-obsoleted due to no activity on 2024/11/17 00:13
android-5-10 BUG: soft lockup in sys_sendmmsg (2) 1 syz error 19 156d 533d 0/2 premoderation: reported syz repro on 2024/12/23 13:44

Sample crash report:
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	1-...!: (1 GPs behind) idle=af34/1/0x4000000000000000 softirq=110015/110015 fqs=0
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P11796/1:b..l
rcu: 	(detected by 0, t=10505 jiffies, g=84797, q=686 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 23974 Comm: syz.0.4621 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:arch_irqs_disabled_flags arch/x86/include/asm/irqflags.h:146 [inline]
RIP: 0010:lock_acquire+0xd4/0x350 kernel/locking/lockdep.c:5869
Code: 8c 0b 00 00 00 0f 85 aa 00 00 00 4c 89 74 24 10 4d 89 fe 9c 41 5f fa 48 c7 c7 a8 eb fb 8d e8 f3 ec 05 0a 65 ff 05 ac 9f 96 11 <45> 31 c9 4c 89 7c 24 08 41 f7 c7 00 02 00 00 41 0f 94 c1 4c 89 ef
RSP: 0018:ffffc90000a08c70 EFLAGS: 00000002
RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000080010001
RDX: 0000000000000000 RSI: ffffffff8dfbeba8 RDI: ffffffff8c28b9e0
RBP: ffffffff89b6f20b R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed1005ef2256 R12: 0000000000000002
R13: ffffffff8e95cd20 R14: 0000000000000000 R15: 0000000000000046
FS:  00007f7cc34d46c0(0000) GS:ffff8881253a0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3fc33ed000 CR3: 000000003ab5f000 CR4: 0000000000350ef0
Call Trace:
 <IRQ>
 rcu_lock_acquire include/linux/rcupdate.h:300 [inline]
 rcu_read_lock include/linux/rcupdate.h:838 [inline]
 advance_sched+0x9b7/0xc20 net/sched/sch_taprio.c:992
 __run_hrtimer kernel/time/hrtimer.c:1930 [inline]
 __hrtimer_run_queues+0x3c0/0xa20 kernel/time/hrtimer.c:1994
 hrtimer_interrupt+0x44b/0x950 kernel/time/hrtimer.c:2113
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]
 __sysvec_apic_timer_interrupt+0x102/0x430 arch/x86/kernel/apic/apic.c:1067
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1061 [inline]
 sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1061
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:finish_task_switch+0x427/0xbe0 kernel/sched/core.c:5245
Code: 41 c7 84 24 e0 0d 00 00 00 00 00 00 0f 1f 44 00 00 49 83 c4 48 4c 89 e7 e8 36 3a 15 0a e8 71 fd 38 00 fb 49 8d bd c8 16 00 00 <48> 89 f8 48 c1 e8 03 42 0f b6 04 38 84 c0 0f 85 7b 03 00 00 41 80
RSP: 0018:ffffc90004d67210 EFLAGS: 00000202
RAX: 000000000000ad13 RBX: 1ffff110170e77cc RCX: 0000000080000001
RDX: 0000000000000000 RSI: ffffffff8dfa4dc8 RDI: ffff88803636d4c8
RBP: ffffc90004d67270 R08: ffffffff903036f7 R09: 1ffffffff20606de
R10: dffffc0000000000 R11: fffffbfff20606df R12: ffff8880b873b0c8
R13: ffff88803636be00 R14: ffff88802f95be00 R15: dffffc0000000000
 context_switch kernel/sched/core.c:5391 [inline]
 __schedule+0x1829/0x5740 kernel/sched/core.c:7189
 __schedule_loop kernel/sched/core.c:7268 [inline]
 schedule+0x164/0x360 kernel/sched/core.c:7283
 schedule_timeout+0xc3/0x2c0 kernel/time/sleep_timeout.c:75
 unix_wait_for_peer+0x1f5/0x2f0 net/unix/af_unix.c:1622
 unix_dgram_sendmsg+0xb73/0x18d0 net/unix/af_unix.c:2261
 sock_sendmsg_nosec net/socket.c:787 [inline]
 __sock_sendmsg net/socket.c:802 [inline]
 ____sys_sendmsg+0x972/0x9f0 net/socket.c:2698
 ___sys_sendmsg+0x2a5/0x360 net/socket.c:2752
 __sys_sendmmsg+0x27c/0x4e0 net/socket.c:2841
 __do_sys_sendmmsg net/socket.c:2868 [inline]
 __se_sys_sendmmsg net/socket.c:2865 [inline]
 __x64_sys_sendmmsg+0xa0/0xc0 net/socket.c:2865
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7cc259ce59
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7cc34d4028 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 00007f7cc2815fa0 RCX: 00007f7cc259ce59
RDX: 0000000000000651 RSI: 0000200000000000 RDI: 0000000000000007
RBP: 00007f7cc2632d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f7cc2816038 R14: 00007f7cc2815fa0 R15: 00007ffd17448b58
 </TASK>
task:syz-executor    state:R  running task     stack:22456 pid:11796 tgid:11796 ppid:11790  task_flags:0x400140 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5388 [inline]
 __schedule+0x1821/0x5740 kernel/sched/core.c:7189
 preempt_schedule_common+0x82/0xd0 kernel/sched/core.c:7370
 preempt_schedule_thunk+0x16/0x30 arch/x86/entry/thunk.S:12
 __raw_spin_unlock include/linux/spinlock_api_smp.h:169 [inline]
 _raw_spin_unlock+0x3f/0x50 kernel/locking/spinlock.c:190
 spin_unlock include/linux/spinlock.h:390 [inline]
 copy_pte_range mm/memory.c:1347 [inline]
 copy_pmd_range+0x4f04/0x5970 mm/memory.c:1408
 copy_pud_range mm/memory.c:1445 [inline]
 copy_p4d_range mm/memory.c:1469 [inline]
 copy_page_range+0xc13/0x1220 mm/memory.c:1555
 dup_mmap+0xf4e/0x1da0 mm/mmap.c:1840
 dup_mm kernel/fork.c:1534 [inline]
 copy_mm+0x13b/0x4a0 kernel/fork.c:1586
 copy_process+0x1f1c/0x4440 kernel/fork.c:2264
 kernel_clone+0x2d7/0x940 kernel/fork.c:2722
 __do_sys_clone kernel/fork.c:2863 [inline]
 __se_sys_clone kernel/fork.c:2847 [inline]
 __x64_sys_clone+0x1b6/0x230 kernel/fork.c:2847
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0c6f9c58d2
RSP: 002b:00007ffffc7c39a0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007ffffc7c39a0 RCX: 00007f0c6f9c58d2
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 00007ffffc7c3b2c R08: 0000000000000000 R09: 0000000000000001
R10: 000055557ea177d0 R11: 0000000000000246 R12: 0000000000000001
R13: 00000000000927c0 R14: 000000000016dc04 R15: 00007ffffc7c3b80
 </TASK>
rcu: rcu_preempt kthread starved for 10505 jiffies! g84797 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:R  running task     stack:27536 pid:16    tgid:16    ppid:2      task_flags:0x208040 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5388 [inline]
 __schedule+0x1821/0x5740 kernel/sched/core.c:7189
 __schedule_loop kernel/sched/core.c:7268 [inline]
 schedule+0x164/0x360 kernel/sched/core.c:7283
 schedule_timeout+0x158/0x2c0 kernel/time/sleep_timeout.c:99
 rcu_gp_fqs_loop+0x312/0x11d0 kernel/rcu/tree.c:2095
 rcu_gp_kthread+0x9e/0x2b0 kernel/rcu/tree.c:2297
 kthread+0x389/0x470 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 0 UID: 0 PID: 23982 Comm: syz.2.4624 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:csd_lock_wait kernel/smp.c:342 [inline]
RIP: 0010:smp_call_function_many_cond+0xfd4/0x13d0 kernel/smp.c:892
Code: 89 ee 83 e6 01 31 ff e8 aa 07 0c 00 41 83 e5 01 49 bd 00 00 00 00 00 fc ff df 75 07 e8 55 03 0c 00 eb 37 f3 90 43 0f b6 04 2c <84> c0 75 10 41 f7 06 01 00 00 00 74 1e e8 3a 03 0c 00 eb e5 44 89
RSP: 0000:ffffc90004f6f840 EFLAGS: 00000293
RAX: 0000000000000000 RBX: ffff8880b863c388 RCX: ffff88801f351f00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90004f6f970 R08: ffffffff903036f7 R09: 1ffffffff20606de
R10: dffffc0000000000 R11: fffffbfff20606df R12: 1ffff110170e81b1
R13: dffffc0000000000 R14: ffff8880b8740d88 R15: 0000000000000001
FS:  00005555683c5500(0000) GS:ffff8881252a0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f804fc12000 CR3: 00000000596b4000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 on_each_cpu_cond_mask+0x3f/0x80 kernel/smp.c:1057
 __flush_tlb_multi arch/x86/include/asm/paravirt.h:46 [inline]
 flush_tlb_multi arch/x86/mm/tlb.c:1361 [inline]
 flush_tlb_mm_range+0x5c3/0x10b0 arch/x86/mm/tlb.c:1451
 flush_tlb_page arch/x86/include/asm/tlbflush.h:345 [inline]
 ptep_clear_flush+0x120/0x170 mm/pgtable-generic.c:104
 wp_page_copy mm/memory.c:3941 [inline]
 do_wp_page+0x3da7/0x4cc0 mm/memory.c:4336
 handle_pte_fault mm/memory.c:6443 [inline]
 __handle_mm_fault mm/memory.c:6565 [inline]
 handle_mm_fault+0x1698/0x3170 mm/memory.c:6734
 do_user_addr_fault+0xa73/0x1340 arch/x86/mm/fault.c:1334
 handle_page_fault arch/x86/mm/fault.c:1474 [inline]
 exc_page_fault+0x6a/0xc0 arch/x86/mm/fault.c:1527
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:618
RIP: 0033:0x7f804f8655c3
Code: 53 48 83 ec 38 80 3d 5b ca 3a 00 00 89 7c 24 18 48 89 74 24 28 0f 85 cd 09 00 00 80 3d 2a 01 ee 00 00 49 89 f1 41 89 d2 89 cb <c6> 05 36 ca 3a 00 01 41 89 d7 0f 85 45 04 00 00 80 3d f6 00 ee 00
RSP: 002b:00007ffccc1e47f0 EFLAGS: 00010202
RAX: 00007f804fc15fa0 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000003 RSI: 00007f804fc16038 RDI: 0000000000000000
RBP: 00007f804fc15fb0 R08: 0000000000000000 R09: 00007f804fc16038
R10: 0000000000000003 R11: 0000000000000000 R12: 00007f804fc15fa0
R13: 0000200000000000 R14: 00007ffccc1e4868 R15: 00007f804fc15fa0
 </TASK>

Crashes (131):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/06/09 13:58 upstream 2d3090a8aeb5 c36c07f6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in sys_sendmmsg
2026/06/07 01:41 upstream 8e65320d91cd cc095639 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in sys_sendmmsg
2026/05/28 08:55 upstream eb3f4b7426cf 4c36e7e5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: rcu detected stall in sys_sendmmsg
2026/05/24 23:12 upstream 6a97c4d5262d c69befb3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in sys_sendmmsg
2026/05/23 01:06 upstream cca95436be15 c69befb3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in sys_sendmmsg
2026/05/21 09:34 upstream df685633c3db 41b8c833 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in sys_sendmmsg
2026/05/15 10:25 upstream 70eda68668d1 9cd3beaa .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in sys_sendmmsg
2026/05/13 16:34 upstream 1d5dcaa3bd65 fec2a7ee .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in sys_sendmmsg
2026/05/11 17:35 upstream 5d6919055dec e6eb7c0b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in sys_sendmmsg
2026/05/11 05:33 upstream aa54b1d27fe0 29233ece .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in sys_sendmmsg
2026/05/09 10:05 upstream 70390501d194 29233ece .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in sys_sendmmsg
2026/05/07 03:29 upstream adc1e5c6203c cbcd9ea0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in sys_sendmmsg
2026/05/03 13:36 upstream 66edb901bf87 a0d91488 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in sys_sendmmsg
2026/04/27 06:54 upstream 20b64cf8705a 9c2d0995 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in sys_sendmmsg
2026/04/17 09:39 upstream 3cd8b194bf34 de0a551d .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in sys_sendmmsg
2026/04/17 00:45 upstream 1d51b370a0f8 321ae225 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in sys_sendmmsg
2026/04/08 20:11 upstream 3036cd0d3328 d9b7f621 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in sys_sendmmsg
2026/04/03 20:38 upstream d8a9a4b11a13 4440e7c2 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in sys_sendmmsg
2026/04/03 15:34 upstream d8a9a4b11a13 4440e7c2 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in sys_sendmmsg
2026/03/21 05:02 upstream c612261bedd6 5b92003d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in sys_sendmmsg
2026/03/20 13:32 upstream 0e4f8f1a3d08 2f245add .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in sys_sendmmsg
2026/03/19 19:17 upstream 8a30aeb0d1b4 bd6dcb30 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in sys_sendmmsg
2026/03/17 03:17 upstream 2d1373e4246d 0737c18f .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in sys_sendmmsg
2026/03/03 13:41 upstream af4e9ef3d784 4180d919 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in sys_sendmmsg
2026/02/20 10:59 upstream 8bf22c33e7a1 17d780d6 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in sys_sendmmsg
2026/02/18 07:29 upstream d295082ea672 39751c21 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in sys_sendmmsg
2026/02/06 03:02 upstream 8fdb05de0e2d f03c4191 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in sys_sendmmsg
2026/01/13 23:44 upstream b54345928fa1 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in sys_sendmmsg
2026/01/11 21:16 upstream 755bc1335e3b d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in sys_sendmmsg
2026/01/05 19:41 upstream 3609fa95fb0f d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in sys_sendmmsg
2026/01/02 12:07 upstream b69053dd3ffb d1b870e1 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in sys_sendmmsg
2025/12/19 01:40 upstream 516471569089 d1b870e1 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in sys_sendmmsg
2025/12/11 19:01 upstream d358e5254674 d1b870e1 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in sys_sendmmsg
2025/12/06 03:54 upstream 51d90a15fedf d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in sys_sendmmsg
2025/12/05 19:36 upstream 2061f18ad76e d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in sys_sendmmsg
2025/11/21 18:45 upstream fd95357fd8c6 52ed5c96 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in sys_sendmmsg
2025/10/17 17:43 upstream cf1ea8854e4f 7adf5298 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in sys_sendmmsg
2025/10/06 01:39 upstream 6093a688a07d 49379ee0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in sys_sendmmsg
2025/09/07 06:10 upstream b236920731dd d291dd2d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in sys_sendmmsg
2025/09/01 20:17 upstream b320789d6883 807a3b61 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in sys_sendmmsg
2025/08/31 04:56 upstream c8bc81a52d5a 807a3b61 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in sys_sendmmsg
2025/08/22 13:58 upstream 3957a5720157 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in sys_sendmmsg
2025/08/12 14:06 upstream 53e760d89498 c06e8995 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in sys_sendmmsg
2025/08/07 15:06 upstream 6e64f4580381 04cffc22 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in sys_sendmmsg
2025/08/01 22:19 upstream 89748acdf226 40127d41 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in sys_sendmmsg
2024/11/28 18:34 upstream b86545e02e8c 5df23865 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: rcu detected stall in sys_sendmmsg
2024/11/26 17:54 upstream 2c22dc1ee3a1 11dbc254 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: rcu detected stall in sys_sendmmsg
2024/11/09 09:22 upstream 50643bbc9eb6 6b856513 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in sys_sendmmsg
2026/05/21 06:59 net 9a8e01c50093 41b8c833 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in sys_sendmmsg
2026/05/20 12:54 net dc416e32baae 62fb93a2 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in sys_sendmmsg
2026/05/18 05:19 net aaec7096f996 de5aae85 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in sys_sendmmsg
2025/09/17 13:56 net 8c4748539985 e2beed91 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in sys_sendmmsg
2025/01/18 00:22 net-next 8d20dcda404d 953d1c45 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: rcu detected stall in sys_sendmmsg
2024/11/14 12:27 net-next a71c69f51d11 77f3eeb7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: rcu detected stall in sys_sendmmsg
2025/08/23 16:07 linux-next 7fa4d8dc380f bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in sys_sendmmsg
2025/11/22 06:17 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 3812f8fa7c83 c31c1b0b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: soft lockup in sys_sendmmsg
* Struck through repros no longer work on HEAD.