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INFO: rcu detected stall in kcov_close

Status: upstream: reported on 2024/08/12 12:28
Subsystems: mm
[Documentation on labels]
Reported-by: syzbot+894cac40ce97c83618bb@syzkaller.appspotmail.com
First crash: 724d, last: 7h41m
▶ ▼ Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [mm?] INFO: rcu detected stall in kcov_close 0 (1) 2024/08/12 12:28
▶ ▼ Similar bugs (4)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.1 INFO: rcu detected stall in kcov_close 1 6 666d 716d 0/3 auto-obsoleted due to no activity on 2024/10/23 16:14
linux-6.6 INFO: rcu detected stall in kcov_close 1 1 142d 142d 0/2 auto-obsoleted due to no activity on 2026/03/31 08:37
linux-5.15 BUG: soft lockup in kcov_close 1 1 716d 716d 0/3 auto-obsoleted due to no activity on 2024/09/03 09:36
upstream INFO: task hung in release_tty (3) serial 1 3 550d 616d 0/29 auto-obsoleted due to no activity on 2025/02/07 03:06

Sample crash report:
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P5756/1:b..l P14380/1:b..l P15169/1:b..l P15611/3:b..l
rcu: 	(detected by 0, t=10506 jiffies, g=104585, q=290 ncpus=2)
task:udevd           state:R  running task     stack:28568 pid:15611 tgid:15611 ppid:4988   task_flags:0x400040 flags:0x00080800
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]
 filemap_map_pages+0x1a2a/0x2100 mm/filemap.c:3942
 do_fault_around mm/memory.c:5851 [inline]
 do_read_fault mm/memory.c:5884 [inline]
 do_fault mm/memory.c:6027 [inline]
 do_pte_missing+0x1f38/0x33f0 mm/memory.c:4550
 handle_pte_fault mm/memory.c:6411 [inline]
 __handle_mm_fault mm/memory.c:6549 [inline]
 handle_mm_fault+0x1bd7/0x3170 mm/memory.c:6718
 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: 0033:0x7fb92956e600
RSP: 002b:00007ffdca9f51f8 EFLAGS: 00010206
RAX: 0000000000000030 RBX: 0000000000000004 RCX: 000055ad1040de90
RDX: 0000000000000010 RSI: 000055ad1040dea0 RDI: 000055ad1040de90
RBP: 000055ad103f18e0 R08: 0000000000000004 R09: 0000000000000010
R10: 000055ad097145e0 R11: 0000000000000004 R12: 0000000000000003
R13: 0000000000000000 R14: 000055ad097145e0 R15: 0000000000000004
 </TASK>
task:syz-executor    state:R  running task     stack:21992 pid:15169 tgid:15169 ppid:1      task_flags:0x40054c flags:0x00080003
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5388 [inline]
 __schedule+0x1821/0x5740 kernel/sched/core.c:7189
 preempt_schedule_irq+0x4d/0xa0 kernel/sched/core.c:7513
 irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:547 [inline]
 irqentry_exit+0x14f/0x760 kernel/entry/common.c:164
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x0/0x90 kernel/kcov.c:313
Code: 11 10 48 89 74 11 18 48 89 44 11 20 e9 14 7b 4a ff cc 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 48 8b 04 24 65 48 8b 15 e8 69 73 11 65 8b 0d 09 6a 73
RSP: 0018:ffffc900056af860 EFLAGS: 00000246
RAX: 0000000000000001 RBX: ffffffff823c82b2 RCX: 0000000000000046
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000001 R08: ffffffff823c82b2 R09: ffffffff8e95cd60
R10: dffffc0000000000 R11: fffff940004c516f R12: 0000000000000260
R13: dffffc0000000000 R14: 0000000000098a2d R15: ffff88801c880000
 lookup_page_ext mm/page_ext.c:258 [inline]
 page_ext_get+0x1bb/0x2e0 mm/page_ext.c:532
 __reset_page_owner+0x28/0x1f0 mm/page_owner.c:306
 reset_page_owner include/linux/page_owner.h:25 [inline]
 __free_pages_prepare mm/page_alloc.c:1402 [inline]
 __free_frozen_pages+0xbc7/0xd30 mm/page_alloc.c:2943
 vfree+0x1d1/0x2f0 mm/vmalloc.c:3472
 kcov_put kernel/kcov.c:442 [inline]
 kcov_close+0x28/0x50 kernel/kcov.c:543
 __fput+0x44f/0xa60 fs/file_table.c:510
 task_work_run+0x1d9/0x270 kernel/task_work.c:233
 exit_task_work include/linux/task_work.h:40 [inline]
 do_exit+0x70f/0x22c0 kernel/exit.c:975
 do_group_exit+0x21b/0x2d0 kernel/exit.c:1118
 get_signal+0x1284/0x1330 kernel/signal.c:3037
 arch_do_signal_or_restart+0xbc/0x840 arch/x86/kernel/signal.c:337
 __exit_to_user_mode_loop kernel/entry/common.c:64 [inline]
 exit_to_user_mode_loop+0x8c/0x4d0 kernel/entry/common.c:98
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:238 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:318 [inline]
 do_syscall_64+0x33e/0xf80 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0887f5d68e
RSP: 002b:00007ffd628cadc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: 0000000000000060 RBX: 0000555589543500 RCX: 00007f0887f5d68e
RDX: 0000000000000060 RSI: 00007f0888d44670 RDI: 0000000000000003
RBP: 0000000000000001 R08: 00007ffd628cae44 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f0888d44670 R15: 0000000000000000
 </TASK>
task:kworker/u8:21   state:R  running task     stack:24168 pid:14380 tgid:14380 ppid:2      task_flags:0x4208060 flags:0x00080000
Workqueue: events_unbound toggle_allocation_gate
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]
 __text_poke+0x7b9/0x9a0 arch/x86/kernel/alternative.c:2648
 text_poke arch/x86/kernel/alternative.c:2672 [inline]
 smp_text_poke_batch_finish+0x3b2/0x1160 arch/x86/kernel/alternative.c:2980
 arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146
 static_key_disable_cpuslocked+0xc5/0x1a0 kernel/jump_label.c:240
 static_key_disable+0x1a/0x20 kernel/jump_label.c:248
 toggle_allocation_gate+0x1fe/0x290 mm/kfence/core.c:913
 process_one_work kernel/workqueue.c:3302 [inline]
 process_scheduled_works+0xb5d/0x1860 kernel/workqueue.c:3385
 worker_thread+0xa53/0xfc0 kernel/workqueue.c:3466
 kthread+0x388/0x470 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>
task:kworker/1:5     state:R  running task     stack:22840 pid:5756  tgid:5756  ppid:2      task_flags:0x4208060 flags:0x00080000
Workqueue: events drain_vmap_area_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5388 [inline]
 __schedule+0x1821/0x5740 kernel/sched/core.c:7189
 preempt_schedule_irq+0x4d/0xa0 kernel/sched/core.c:7513
 irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:547 [inline]
 irqentry_exit+0x14f/0x760 kernel/entry/common.c:164
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:debug_lockdep_rcu_enabled+0x29/0x40 kernel/rcu/update.c:321
Code: 90 f3 0f 1e fa 31 c0 83 3d 63 ed 87 04 00 74 1d 83 3d 1a 1f 88 04 00 74 14 65 48 8b 0d 58 65 90 07 31 c0 83 b9 8c 0b 00 00 00 <0f> 94 c0 e9 4a 76 67 f5 cc cc cc cc cc cc cc cc cc cc cc cc cc cc
RSP: 0018:ffffc900046873b0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffffffff82206cc6 RCX: ffff88807ac88000
RDX: 00000000c5e95e85 RSI: ffffffff8e219b45 RDI: ffffffff8c28af60
RBP: dffffc0000000000 R08: ffffffff8176f256 R09: ffffffff8e95cd60
R10: dffffc0000000000 R11: ffffffff81b0ebd0 R12: ffffc900046874c0
R13: 1ffff920008d0e91 R14: ffffc90004687488 R15: ffffffff8176f256
 rcu_read_lock include/linux/rcupdate.h:839 [inline]
 class_rcu_constructor include/linux/rcupdate.h:1181 [inline]
 unwind_next_frame+0xcc/0x2550 arch/x86/kernel/unwind_orc.c:495
 arch_stack_walk+0x11b/0x150 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:57 [inline]
 kasan_save_track+0x3e/0x80 mm/kasan/common.c:78
 kasan_save_free_info+0x46/0x50 mm/kasan/generic.c:584
 poison_slab_object mm/kasan/common.c:253 [inline]
 __kasan_slab_free+0x5c/0x80 mm/kasan/common.c:285
 kasan_slab_free include/linux/kasan.h:235 [inline]
 slab_free_hook mm/slub.c:2689 [inline]
 slab_free mm/slub.c:6250 [inline]
 kmem_cache_free+0x182/0x650 mm/slub.c:6377
 __merge_or_add_vmap_area mm/vmalloc.c:1473 [inline]
 merge_or_add_vmap_area mm/vmalloc.c:1523 [inline]
 decay_va_pool_node+0x786/0xec0 mm/vmalloc.c:2250
 __purge_vmap_area_lazy+0x160/0xb40 mm/vmalloc.c:2355
 drain_vmap_area_work+0x27/0x40 mm/vmalloc.c:2430
 process_one_work kernel/workqueue.c:3302 [inline]
 process_scheduled_works+0xb5d/0x1860 kernel/workqueue.c:3385
 worker_thread+0xa53/0xfc0 kernel/workqueue.c:3466
 kthread+0x388/0x470 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: rcu_preempt kthread starved for 10506 jiffies! g104585 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:27544 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+0x388/0x470 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: 5788 Comm: kworker/0:7 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Workqueue: events fqdir_free_fn
RIP: 0010:csd_lock_wait kernel/smp.c:342 [inline]
RIP: 0010:smp_call_function_single+0x3a4/0x5b0 kernel/smp.c:702
Code: e6 01 31 ff e8 9d 20 0c 00 41 83 e4 01 75 11 e8 52 1c 0c 00 4d 89 ec eb 41 e8 48 1c 0c 00 eb 3a 4d 89 ec f3 90 42 0f b6 04 33 <84> c0 75 10 41 f7 07 01 00 00 00 74 1e e8 2a 1c 0c 00 eb e5 44 89
RSP: 0018:ffffc90005067920 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 1ffff92000a0cf31 RCX: ffff88801eba0000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90005067a18 R08: ffffffff9030b6f7 R09: 1ffffffff20616de
R10: dffffc0000000000 R11: ffffffff81746300 R12: 1ffff92000a0cf2c
R13: 1ffff92000a0cf2c R14: dffffc0000000000 R15: ffffc90005067988
FS:  0000000000000000(0000) GS:ffff88812528d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5b54bea540 CR3: 0000000063e28000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 rcu_barrier+0x360/0x580 kernel/rcu/tree.c:3880
 fqdir_free_fn+0x33/0x140 net/ipv4/inet_fragment.c:166
 process_one_work kernel/workqueue.c:3302 [inline]
 process_scheduled_works+0xb5d/0x1860 kernel/workqueue.c:3385
 worker_thread+0xa53/0xfc0 kernel/workqueue.c:3466
 kthread+0x388/0x470 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>

Crashes (195):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/05/12 23:08 upstream c21b90f77687 a0949470 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in kcov_close
2026/05/08 11:55 upstream 917719c412c4 5633175a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in kcov_close
2026/05/07 20:28 upstream 19cbc75c56c0 e358bca5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in kcov_close
2026/05/05 02:53 upstream c7e4e4d5f7dc a898ba9c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in kcov_close
2026/04/23 06:22 upstream 2a4c0c11c019 b10da5ec .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in kcov_close
2026/04/20 19:54 upstream c1f49dea2b8f e65da4ee .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: rcu detected stall in kcov_close
2026/04/18 14:35 upstream 8541d8f725c6 303e2802 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in kcov_close
2026/04/11 09:59 upstream 7c6c4ed80b87 38c8e246 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in kcov_close
2026/04/06 04:05 upstream 1791c390149f 4440e7c2 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in kcov_close
2026/03/30 16:03 upstream 7aaa8047eafd 458630d8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in kcov_close
2026/03/21 05:54 upstream c612261bedd6 5b92003d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in kcov_close
2026/03/18 09:00 upstream f0caa1d49cc0 c8810548 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in kcov_close
2026/03/13 23:17 upstream b36eb6e3f5d8 351cb5cf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in kcov_close
2026/02/24 16:44 upstream 7dff99b35460 96b1aa46 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in kcov_close
2026/02/23 08:40 upstream aaf96df9593b 6e7b5511 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in kcov_close
2026/02/18 03:00 upstream d295082ea672 39751c21 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in kcov_close
2026/02/16 11:23 upstream 0f2acd3148e0 1e62d198 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in kcov_close
2026/02/16 01:38 upstream bb7a3fc2c976 1e62d198 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in kcov_close
2026/02/14 16:20 upstream 770aaedb461a 1e62d198 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in kcov_close
2026/02/12 13:12 upstream c22e26bd0906 76a109e2 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in kcov_close
2026/02/10 21:18 upstream 72c395024dac 91d776d3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in kcov_close
2026/02/07 10:02 upstream 2687c848e578 f20fc9f9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in kcov_close
2026/01/29 22:07 upstream 8dfce8991b95 aeb6fdd5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in kcov_close
2026/01/24 11:29 upstream 62085877ae65 4f25b9b4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in kcov_close
2026/01/07 08:52 upstream f0b9d8eb98df d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in kcov_close
2026/01/06 04:32 upstream 7f98ab9da046 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in kcov_close
2026/01/04 15:58 upstream aacb0a6d604a d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in kcov_close
2025/12/23 06:42 upstream b927546677c8 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in kcov_close
2025/12/21 18:18 upstream 9094662f6707 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in kcov_close
2025/12/21 08:23 upstream 9094662f6707 d1b870e1 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in kcov_close
2025/12/17 13:23 upstream ea1013c15392 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in kcov_close
2025/12/15 12:44 upstream 8f0b4cce4481 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in kcov_close
2025/12/15 07:13 upstream 8f0b4cce4481 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in kcov_close
2025/12/09 06:03 upstream a110f942672c d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in kcov_close
2025/12/02 19:05 upstream 4a26e7032d7d d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in kcov_close
2025/11/28 06:51 upstream aa7243aaf194 e8331348 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto INFO: rcu detected stall in kcov_close
2025/11/27 08:07 upstream 4941a17751c9 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in kcov_close
2025/11/25 02:46 upstream ac3fd01e4c1e 64219f15 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in kcov_close
2025/11/24 16:34 upstream ac3fd01e4c1e bf6fe8fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in kcov_close
2025/11/01 06:23 upstream 58fdd8484c05 2c50b6a9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in kcov_close
2025/10/31 10:23 upstream d127176862a9 2c50b6a9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in kcov_close
2025/10/29 17:49 upstream e53642b87a4f fd2207e7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in kcov_close
2025/10/27 06:45 upstream dbfc6422a34d c0460fcd .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in kcov_close
2025/10/23 19:12 upstream 43e9ad0c55a3 c0460fcd .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: rcu detected stall in kcov_close
2025/10/17 01:14 upstream 98ac9cc4b445 19568248 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in kcov_close
2025/10/08 04:11 upstream 971199ad2a0f 7e2882b3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: rcu detected stall in kcov_close
2024/08/08 12:18 upstream 6a0e38264012 de12cf65 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in kcov_close
2024/07/23 15:26 upstream 66ebbdfdeb09 708c10c4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: rcu detected stall in kcov_close
2026/02/13 16:21 upstream cee73b1e840c 6a673c50 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: rcu detected stall in kcov_close
2026/01/19 18:48 upstream 24d479d26b25 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: rcu detected stall in kcov_close
2025/11/23 22:16 upstream d13f3ac64efb 4fb8ef37 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: rcu detected stall in kcov_close
2025/11/20 15:38 upstream 23cb64fb7625 280ea308 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: rcu detected stall in kcov_close
2026/03/13 12:07 net e5b31d988a41 2f7f359d .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: rcu detected stall in kcov_close
2025/01/16 17:21 net-next 9eb8069d9940 968edaf4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: rcu detected stall in kcov_close
2025/12/30 10:52 linux-next cc3aa43b44bd d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in kcov_close
2025/12/17 21:33 linux-next 12b95d29eb97 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in kcov_close
2025/10/15 10:48 linux-next 13863a59e410 b6605ba8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in kcov_close
2025/08/10 08:33 linux-next b1549501188c 32a0e5ed .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce INFO: rcu detected stall in kcov_close
2024/10/10 23:19 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 4a9fe2a8ac53 8fbfc0c8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in kcov_close
2024/07/17 15:49 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci c912bf709078 03114f55 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: rcu detected stall in kcov_close
2025/05/02 20:39 bpf-next f263336a41da b0714e37 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce BUG: soft lockup in kcov_close
* Struck through repros no longer work on HEAD.