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INFO: rcu detected stall in gc_worker (3)

Status: upstream: reported C repro on 2022/03/20 12:02
Subsystems: netfilter
[Documentation on labels]
Reported-by: syzbot+eec403943a2a2455adaa@syzkaller.appspotmail.com
First crash: 1372d, last: 11h01m
Cause bisection: introduced by (bisect log) :
commit ec97ecf1ebe485a17cd8395a5f35e6b80b57665a
Author: Mohit P. Tahiliani <tahiliani@nitk.edu.in>
Date: Wed Jan 22 18:22:33 2020 +0000

  net: sched: add Flow Queue PIE packet scheduler

Crash: INFO: rcu detected stall in fq_pie_timer (log)
Repro: C syz .config
  
Fix bisection: fixed by (bisect log) :
commit 8c21ab1bae945686c602c5bfa4e3f3352c2452c5
Author: Eric Dumazet <edumazet@google.com>
Date: Tue Aug 29 12:35:41 2023 +0000

  net/sched: fq_pie: avoid stalls in fq_pie_timer()

  
▶ ▼ Discussions (16)
Title Replies (including bot) Last reply
[syzbot] Monthly netfilter report (Nov 2025) 0 (1) 2025/11/24 12:38
[syzbot] Monthly netfilter report (Sep 2025) 0 (1) 2025/09/20 18:33
[syzbot] Monthly netfilter report (Aug 2025) 0 (1) 2025/08/20 08:11
[syzbot] Monthly netfilter report (Jul 2025) 0 (1) 2025/07/20 09:04
[syzbot] Monthly netfilter report (Jun 2025) 0 (1) 2025/06/19 08:20
[syzbot] Monthly netfilter report (Apr 2025) 0 (1) 2025/04/17 08:38
[syzbot] Monthly netfilter report (Feb 2025) 0 (1) 2025/02/13 12:34
[syzbot] Monthly netfilter report (Jan 2025) 0 (1) 2025/01/13 12:40
[syzbot] Monthly netfilter report (Dec 2024) 0 (1) 2024/12/13 13:16
[syzbot] Monthly netfilter report (Nov 2024) 0 (1) 2024/11/13 11:07
[syzbot] Monthly netfilter report (Aug 2024) 0 (1) 2024/08/05 12:54
[syzbot] INFO: rcu detected stall in gc_worker (3) 0 (3) 2024/03/06 22:38
[syzbot] Monthly netfilter report (Feb 2024) 0 (1) 2024/02/09 08:36
[syzbot] Monthly netfilter report (Jan 2024) 0 (1) 2024/01/03 10:47
[syzbot] Monthly netfilter report (Aug 2023) 0 (1) 2023/08/29 12:53
Re: [syzbot] INFO: rcu detected stall in gc_worker (3) 1 (1) 2022/03/21 21:01
▶ ▼ Similar bugs (5)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: rcu detected stall in gc_worker (2) netfilter 1 C unreliable 4 1432d 1469d 0/29 closed as invalid on 2022/02/08 10:33
upstream INFO: rcu detected stall in gc_worker netfilter 1 8 2436d 2521d 0/29 auto-closed as invalid on 2019/10/14 16:34
linux-6.1 INFO: rcu detected stall in gc_worker origin:lts-only 1 C inconclusive 102 14d 899d 0/3 upstream: reported C repro on 2023/07/03 02:12
linux-5.15 INFO: rcu detected stall in gc_worker origin:upstream 1 C error 110 2d07h 864d 0/3 upstream: reported C repro on 2023/08/06 21:00
linux-4.19 INFO: rcu detected stall in gc_worker 1 syz error 1 1335d 1335d 0/1 upstream: reported syz repro on 2022/04/22 15:43
▶ ▼ Last patch testing requests (19)
Created Duration User Patch Repo Result
2024/12/01 04:16 14m retest repro https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing report log
2024/12/01 03:18 18m retest repro upstream report log
2024/12/01 03:18 18m retest repro linux-next report log
2024/12/01 02:43 27m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci OK log
2024/11/15 07:50 27m retest repro upstream report log
2024/11/15 07:50 26m retest repro upstream report log
2024/11/15 07:50 18m retest repro upstream report log
2024/11/15 07:50 23m retest repro upstream OK log
2024/11/15 07:50 25m retest repro upstream report log
2024/04/13 10:36 22m retest repro upstream error
2023/09/25 11:55 22m hdanton@sina.com patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master OK log
2023/09/25 11:03 18m hdanton@sina.com https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master report log
2022/07/31 09:48 11m hdanton@sina.com patch https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git 91265a6da44d report log
2022/07/31 08:16 11m hdanton@sina.com patch https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git 91265a6da44d report log
2022/07/31 07:46 10m hdanton@sina.com patch https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git 91265a6da44d report log
2022/03/21 06:31 10m hdanton@sina.com patch upstream report log
2022/03/21 03:15 6m hdanton@sina.com patch https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/ 91265a6da44d error
2022/03/21 01:20 10m hdanton@sina.com patch https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/ 91265a6da44d report log
2022/03/20 15:22 10m hdanton@sina.com patch https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/ 91265a6da44d report log
▶ ▼ Fix bisection attempts (4)
Created Duration User Patch Repo Result
2024/03/06 10:47 11h50m bisect fix net OK (1) job log
2023/10/21 03:25 2h43m bisect fix upstream OK (0) job log log
2023/05/04 18:38 35m bisect fix upstream OK (0) job log log
2023/04/03 14:55 37m bisect fix upstream OK (0) job log log
▶ ▼ Cause bisection attempts (2)
Created Duration User Patch Repo Result
2023/09/24 00:12 10h45m bisect net OK (1) job log log
2022/03/16 11:54 3h36m bisect linux-next OK (0) job log log
marked invalid by nogikh@google.com

Sample crash report:
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P5830/1:b..l P90/1:b..l
rcu: 	(detected by 1, t=10502 jiffies, g=7785, q=98 ncpus=2)
task:kworker/1:2     state:R  running task     stack:26536 pid:90    tgid:90    ppid:2      task_flags:0x4208060 flags:0x00080000
Workqueue: events_power_efficient gc_worker
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5256 [inline]
 __schedule+0x1139/0x6150 kernel/sched/core.c:6863
 preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7190
 irqentry_exit+0x1d8/0x8c0 kernel/entry/common.c:216
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:lock_acquire+0x62/0x330 kernel/locking/lockdep.c:5872
Code: 56 18 12 83 f8 07 0f 87 a2 02 00 00 89 c0 48 0f a3 05 82 87 ee 0e 0f 82 74 02 00 00 8b 35 1a b8 ee 0e 85 f6 0f 85 8d 00 00 00 <48> 8b 44 24 30 65 48 2b 05 99 56 18 12 0f 85 ad 02 00 00 48 83 c4
RSP: 0018:ffffc9000266fa60 EFLAGS: 00000206
RAX: 0000000000000046 RBX: ffffffff8e3c9620 RCX: 000000005dbb888f
RDX: 0000000000000000 RSI: ffffffff8daa5c73 RDI: ffffffff8bf2a800
RBP: 0000000000000002 R08: 00000000149d0f48 R09: 000000008149d0f4
R10: 0000000000000002 R11: ffff88801c7cd4b0 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
 rcu_read_lock include/linux/rcupdate.h:867 [inline]
 gc_worker+0x241/0x16e0 net/netfilter/nf_conntrack_core.c:1546
 process_one_work+0x9ba/0x1b20 kernel/workqueue.c:3257
 process_scheduled_works kernel/workqueue.c:3340 [inline]
 worker_thread+0x6c8/0xf10 kernel/workqueue.c:3421
 kthread+0x3c5/0x780 kernel/kthread.c:463
 ret_from_fork+0x983/0xb10 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
 </TASK>
task:sshd-session    state:R  running task     stack:26520 pid:5830  tgid:5830  ppid:5828   task_flags:0x400140 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5256 [inline]
 __schedule+0x1139/0x6150 kernel/sched/core.c:6863
 preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7190
 irqentry_exit+0x1d8/0x8c0 kernel/entry/common.c:216
 asm_sysvec_reschedule_ipi+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:on_stack arch/x86/include/asm/stacktrace.h:60 [inline]
RIP: 0010:stack_access_ok+0x99/0x200 arch/x86/kernel/unwind_orc.c:393
Code: b6 04 02 84 c0 74 08 3c 03 0f 8e 0b 01 00 00 8b 13 85 d2 74 23 49 39 ef 77 1e 48 39 e9 76 19 4a 8d 54 25 00 49 39 d7 0f 92 c0 <48> 39 d1 0f 93 c2 20 d0 0f 85 ba 00 00 00 48 8d 7b 28 48 8d 4b 20
RSP: 0018:ffffc900035573f8 EFLAGS: 00000297
RAX: 0000000000000001 RBX: ffffc900035574a8 RCX: ffffc90003558000
RDX: ffffc90003557bb8 RSI: ffffc90003557bb0 RDI: ffffc900035574a8
RBP: ffffc90003557bb0 R08: 0000000000000001 R09: 000000005f832f42
R10: 0000000000000002 R11: 000000000008db7c R12: 0000000000000008
R13: ffffc900035574b8 R14: ffffc900035574b0 R15: ffffc90003550000
 deref_stack_reg arch/x86/kernel/unwind_orc.c:403 [inline]
 unwind_next_frame+0x15c5/0x20a0 arch/x86/kernel/unwind_orc.c:648
 arch_stack_walk+0x94/0x100 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122
 kasan_save_stack+0x33/0x60 mm/kasan/common.c:56
 kasan_save_track+0x14/0x30 mm/kasan/common.c:77
 unpoison_slab_object mm/kasan/common.c:339 [inline]
 __kasan_slab_alloc+0x89/0x90 mm/kasan/common.c:365
 kasan_slab_alloc include/linux/kasan.h:252 [inline]
 slab_post_alloc_hook mm/slub.c:4953 [inline]
 slab_alloc_node mm/slub.c:5263 [inline]
 kmem_cache_alloc_node_noprof+0x298/0x800 mm/slub.c:5315
 __alloc_skb+0x156/0x410 net/core/skbuff.c:679
 alloc_skb_fclone include/linux/skbuff.h:1433 [inline]
 tcp_stream_alloc_skb+0x34/0x670 net/ipv4/tcp.c:910
 tcp_sendmsg_locked+0x12de/0x42a0 net/ipv4/tcp.c:1217
 tcp_sendmsg+0x2e/0x50 net/ipv4/tcp.c:1412
 inet_sendmsg+0xb9/0x140 net/ipv4/af_inet.c:859
 sock_sendmsg_nosec net/socket.c:727 [inline]
 __sock_sendmsg net/socket.c:742 [inline]
 sock_write_iter+0x509/0x610 net/socket.c:1195
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x7d3/0x11d0 fs/read_write.c:686
 ksys_write+0x1f8/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f29f94a7407
RSP: 002b:00007ffe6386beb0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f29f9c0e300 RCX: 00007f29f94a7407
RDX: 0000000000000034 RSI: 0000560f00cfb0b0 RDI: 0000000000000004
RBP: 0000560f00cfebe0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
R13: 00007ffe6386c000 R14: 0000000000000000 R15: 0000000000000004
 </TASK>
rcu: rcu_preempt kthread starved for 10568 jiffies! g7785 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
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:28168 pid:16    tgid:16    ppid:2      task_flags:0x208040 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5256 [inline]
 __schedule+0x1139/0x6150 kernel/sched/core.c:6863
 __schedule_loop kernel/sched/core.c:6945 [inline]
 schedule+0xe7/0x3a0 kernel/sched/core.c:6960
 schedule_timeout+0x123/0x290 kernel/time/sleep_timeout.c:99
 rcu_gp_fqs_loop+0x1ea/0xaf0 kernel/rcu/tree.c:2083
 rcu_gp_kthread+0x26d/0x380 kernel/rcu/tree.c:2285
 kthread+0x3c5/0x780 kernel/kthread.c:463
 ret_from_fork+0x983/0xb10 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:pv_native_safe_halt+0xf/0x20 arch/x86/kernel/paravirt.c:82
Code: 26 60 02 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 13 d9 12 00 fb f4 <e9> cc 35 03 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
RSP: 0018:ffffc90000197de8 EFLAGS: 000002c6
RAX: 000000000009d667 RBX: 0000000000000001 RCX: ffffffff8b7786d9
RDX: 0000000000000000 RSI: ffffffff8dacbd07 RDI: ffffffff8bf2a800
RBP: ffffed1003bd9498 R08: 0000000000000001 R09: ffffed10170a673d
R10: ffff8880b85339eb R11: ffff88801decaff0 R12: 0000000000000001
R13: ffff88801deca4c0 R14: ffffffff908880d0 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881249fb000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f564a41e0d0 CR3: 0000000077797000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 arch_safe_halt arch/x86/include/asm/paravirt.h:107 [inline]
 default_idle+0x13/0x20 arch/x86/kernel/process.c:767
 default_idle_call+0x6c/0xb0 kernel/sched/idle.c:122
 cpuidle_idle_call kernel/sched/idle.c:191 [inline]
 do_idle+0x38d/0x510 kernel/sched/idle.c:332
 cpu_startup_entry+0x4f/0x60 kernel/sched/idle.c:430
 start_secondary+0x21d/0x2d0 arch/x86/kernel/smpboot.c:312
 common_startup_64+0x13e/0x148
 </TASK>

Crashes (269):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/12/13 00:52 upstream 187d0801404f d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in gc_worker
2025/05/08 12:31 upstream 707df3375124 dbf35fa1 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in gc_worker
2024/05/26 13:05 upstream 9b62e02e6336 a10a183e .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in gc_worker
2024/05/26 12:02 upstream 9b62e02e6336 a10a183e .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in gc_worker
2023/09/10 21:03 upstream 535a265d7f0d 6654cf89 .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in gc_worker
2023/08/21 02:28 upstream 706a74159504 d216d8a0 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in gc_worker
2022/12/25 05:32 upstream 72a85e2b0a1e 9da18ae8 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in gc_worker
2025/11/30 05:35 linux-next 7d31f578f323 d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in gc_worker
2022/03/16 11:54 linux-next 91265a6da44d 9e8eaa75 .config console log report syz C ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in gc_worker
2025/11/30 12:38 upstream 6bda50f4333f d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in gc_worker
2025/11/28 01:32 upstream 765e56e41a5a d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in gc_worker
2025/11/26 20:09 upstream 30f09200cc4a d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in gc_worker
2025/11/13 13:38 upstream e927c520e1ba 07e030de .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in gc_worker
2025/10/29 20:19 upstream e53642b87a4f fd2207e7 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in gc_worker
2025/09/03 15:24 upstream e6b9dce0aeeb 96a211bc .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in gc_worker
2025/09/02 11:35 upstream b320789d6883 807a3b61 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in gc_worker
2025/07/11 18:37 upstream bc9ff192a6c9 3cda49cf .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in gc_worker
2025/12/17 19:42 linux-next 12b95d29eb97 d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce INFO: rcu detected stall in gc_worker
2024/10/05 16:47 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 4a9fe2a8ac53 d7906eff .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in gc_worker
2023/08/18 05:11 upstream 16931859a650 74b106b6 .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in gc_worker
2023/07/26 20:02 net d4a7ce642100 41fe1bae .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in gc_worker
2023/08/09 22:18 net-next b9b05381e5d7 13ca4cd6 .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: rcu detected stall in gc_worker
2023/07/19 12:25 net-next 3223eeaf0545 022df2bb .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: rcu detected stall in gc_worker
2023/06/27 04:22 net-next 771ca3de2502 4cd5bb25 .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: rcu detected stall in gc_worker
2023/07/18 12:43 linux-next aeba456828b4 20f8b3c2 .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in gc_worker
2025/12/16 13:35 upstream 40fbbd64bba6 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in gc_worker
2025/12/13 13:07 upstream 9551a26f17d9 d1b870e1 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in gc_worker
2025/12/12 01:32 upstream d358e5254674 d1b870e1 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in gc_worker
2025/12/10 19:03 upstream 0048fbb4011e d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in gc_worker
2025/12/07 20:43 upstream 67a454e6b1c6 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in gc_worker
2025/12/01 21:27 upstream 7d0a66e4bb90 d1b870e1 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in gc_worker
2025/11/30 14:07 upstream 6bda50f4333f d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in gc_worker
2025/11/30 03:10 upstream 6bda50f4333f d1b870e1 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in gc_worker
2025/11/27 13:39 upstream 765e56e41a5a e8331348 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in gc_worker
2025/11/25 09:43 upstream ac3fd01e4c1e 64219f15 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in gc_worker
2025/11/24 02:59 upstream d0e88704d96c 4fb8ef37 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in gc_worker
2025/11/21 04:41 upstream 8e621c9a3375 280ea308 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in gc_worker
2025/11/18 09:00 upstream e7c375b18160 ef766cd7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in gc_worker
2025/11/16 04:41 upstream f824272b6e3f f7988ea4 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in gc_worker
2025/11/16 03:31 upstream f824272b6e3f f7988ea4 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in gc_worker
2025/11/11 20:36 upstream 4427259cc7f7 4e1406b4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in gc_worker
2025/11/11 12:42 upstream 4427259cc7f7 4e1406b4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in gc_worker
2025/11/11 03:30 upstream 4ea7c1717f3f 4e1406b4 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in gc_worker
2025/11/05 01:19 upstream c9cfc122f037 a6c9c731 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in gc_worker
2025/10/30 15:18 upstream e53642b87a4f 2c50b6a9 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in gc_worker
2025/10/28 14:23 upstream fd57572253bc fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in gc_worker
2025/10/23 19:06 upstream ab431bc39741 c0460fcd .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in gc_worker
2025/10/22 01:32 upstream 552c50713f27 9832ed61 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in gc_worker
2025/10/17 18:16 upstream 98ac9cc4b445 7adf5298 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in gc_worker
2025/10/16 22:01 upstream 98ac9cc4b445 19568248 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in gc_worker
2025/10/12 08:18 upstream 98906f9d850e ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in gc_worker
2025/10/04 23:59 upstream d104e3d17f7b 49379ee0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in gc_worker
2025/10/04 17:11 upstream cbf33b8e0b36 49379ee0 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in gc_worker
2025/10/04 06:33 upstream 9b0d551bcc05 49379ee0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in gc_worker
2025/09/28 23:55 upstream 8f9736633f8c 001c9061 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in gc_worker
2025/09/28 18:00 upstream 51a24b7deaae 001c9061 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in gc_worker
2025/09/27 22:46 upstream fec734e8d564 001c9061 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in gc_worker
2025/09/27 15:07 upstream fec734e8d564 001c9061 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in gc_worker
2025/09/26 15:32 upstream 4ff71af020ae 0abd0691 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in gc_worker
2025/09/25 23:34 upstream 4ff71af020ae 0abd0691 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in gc_worker
2025/09/25 10:11 upstream bf40f4b87761 0abd0691 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in gc_worker
2025/09/23 20:15 upstream cec1e6e5d1ab 0abd0691 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in gc_worker
2025/09/22 10:02 upstream 07e27ad16399 0ac7291c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in gc_worker
2025/09/15 16:07 upstream f83ec76bf285 e2beed91 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in gc_worker
2025/09/15 14:13 upstream f83ec76bf285 e2beed91 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in gc_worker
2025/09/10 20:43 upstream 9dd1835ecda5 fdeaa69b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in gc_worker
2024/05/28 05:59 upstream 2bfcfd584ff5 f550015e .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in gc_worker
2024/01/03 19:05 upstream 610a9b8f49fb 28c42cff .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in gc_worker
2025/01/12 11:13 upstream b62cef9a5c67 6dbc6a9b .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte INFO: rcu detected stall in gc_worker
2023/06/25 11:22 upstream a92b7d26c743 09ffe269 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in gc_worker
2023/08/14 01:11 net cc941e548bff 39990d51 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in gc_worker
2024/01/14 19:20 net-next 3e7aeb78ab01 551587c1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: rcu detected stall in gc_worker
2025/12/10 08:53 linux-next 008d3547aae5 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in gc_worker
2025/11/28 04:37 linux-next ef68bf704646 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in gc_worker
2025/11/23 11:15 linux-next d724c6f85e80 4fb8ef37 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in gc_worker
2025/11/23 01:16 linux-next d724c6f85e80 4fb8ef37 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in gc_worker
2025/11/21 21:41 linux-next d724c6f85e80 c31c1b0b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in gc_worker
2025/11/20 14:36 linux-next 88cbd8ac379c 280ea308 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in gc_worker
2025/11/14 16:07 linux-next 6d7e7251d03f f7988ea4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce INFO: rcu detected stall in gc_worker
2025/11/06 05:08 linux-next 84d39fb9d529 a6c9c731 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce INFO: rcu detected stall in gc_worker
2024/11/01 07:45 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c67e9601e29a 96eb609f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in gc_worker
2024/04/29 06:42 upstream e67572cd2204 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root BUG: soft lockup in gc_worker
2024/05/24 04:18 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci fda5695d692c 8f98448e .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 BUG: soft lockup in gc_worker
* Struck through repros no longer work on HEAD.