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INFO: rcu detected stall in syscall_exit_to_user_mode

Status: fixed on 2022/03/08 16:11
Subsystems: cgroups mm
[Documentation on labels]
Reported-by: syzbot+0e964fad69a9c462bc1e@syzkaller.appspotmail.com
Fix commit: 313bbd1990b6 mac80211-hwsim: fix late beacon hrtimer handling
First crash: 1080d, last: 789d
▶ ▼ Discussions (9)
Title Replies (including bot) Last reply
[PATCH 5.4 00/56] 5.4.151-rc1 review 62 (62) 2021/10/05 06:56
[PATCH 5.14 000/172] 5.14.10-rc1 review 184 (184) 2021/10/05 06:41
[PATCH 5.10 00/93] 5.10.71-rc1 review 100 (100) 2021/10/05 02:40
[patch 02/11] mac80211-hwsim: Fix late beacon hrtimer handling 1 (1) 2021/09/23 16:04
Re: [syzbot] INFO: rcu detected stall in syscall_exit_to_user_mode 8 (8) 2021/09/16 09:24
[PATCH v2] mac80211-hwsim: fix late beacon hrtimer handling 2 (2) 2021/09/15 09:34
[PATCH] mac80211-hwsim: fix late beacon hrtimer handling 1 (1) 2021/09/15 09:23
Re: [syzbot] INFO: rcu detected stall in syscall_exit_to_user_mode 1 (1) 2021/09/13 10:28
[syzbot] INFO: rcu detected stall in syscall_exit_to_user_mode 1 (2) 2021/08/30 10:58
▶ ▼ Similar bugs (4)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.1 INFO: rcu detected stall in syscall_exit_to_user_mode origin:upstream C 23 1d18h 383d 0/3 upstream: reported C repro on 2023/04/07 08:31
upstream INFO: rcu detected stall in syscall_exit_to_user_mode (2) usb C inconclusive 206 9h29m 505d 0/26 upstream: reported C repro on 2022/12/05 19:46
linux-5.15 INFO: rcu detected stall in syscall_exit_to_user_mode origin:upstream C 48 2d00h 241d 0/3 upstream: reported C repro on 2023/08/26 22:23
android-5-15 BUG: soft lockup in syscall_exit_to_user_mode 2 3h44m 5d04h 0/2 premoderation: reported on 2024/04/19 07:14

Sample crash report:
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	1-...!: (1 ticks this GP) idle=581/1/0x4000000000000000 softirq=77539/77539 fqs=0 
	(detected by 0, t=10502 jiffies, g=120493, q=127)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 14948 Comm: syz-executor.2 Not tainted 5.17.0-rc5-syzkaller-00021-g23d04328444a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:should_change_schedules net/sched/sch_taprio.c:677 [inline]
RIP: 0010:advance_sched+0x272/0x9a0 net/sched/sch_taprio.c:750
Code: ea 03 0f b6 14 02 48 89 c8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 fc 05 00 00 41 8b 44 24 2c 49 01 c6 4d 39 fe 4d 0f 4e fe <4c> 8b 34 24 4d 85 f6 0f 84 78 05 00 00 e8 fc be 13 fa 49 8d 7e 40
RSP: 0018:ffffc90000dc0dd0 EFLAGS: 00000046
RAX: 0000000080000001 RBX: ffff888018e1bb40 RCX: ffff88802374372c
RDX: 0000000000000000 RSI: ffffffff87652c6f RDI: ffff888072aecc30
RBP: ffff888072aecc00 R08: 17b0bc8e2f61791c R09: 0000000000000003
R10: ffffffff87652c61 R11: 0000000000000001 R12: ffff888023743700
R13: ffff888023743700 R14: 17b0bc8eaf61791d R15: 17b0bc8eaf61791d
FS:  0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9da3f5d090 CR3: 000000000b88e000 CR4: 0000000000350ee0
Call Trace:
 <IRQ>
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x609/0xe50 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x31c/0x790 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1086 [inline]
 __sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1103
 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1097
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:lock_acquire+0x1ef/0x510 kernel/locking/lockdep.c:5607
Code: c0 a4 7e 83 f8 01 0f 85 b4 02 00 00 9c 58 f6 c4 02 0f 85 9f 02 00 00 48 83 7c 24 08 00 74 01 fb 48 b8 00 00 00 00 00 fc ff df <48> 01 c3 48 c7 03 00 00 00 00 48 c7 43 08 00 00 00 00 48 8b 84 24
RSP: 0018:ffffc90002b7f5c0 EFLAGS: 00000206
RAX: dffffc0000000000 RBX: 1ffff9200056feba RCX: d58cc61d2054002b
RDX: 1ffff11003d7414b RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8ffc2947
R10: fffffbfff1ff8528 R11: 0000000000000001 R12: 0000000000000002
R13: 0000000000000000 R14: ffffffff8bb845e0 R15: 0000000000000000
 rcu_lock_acquire include/linux/rcupdate.h:268 [inline]
 rcu_read_lock include/linux/rcupdate.h:694 [inline]
 folio_memcg_lock+0x3a/0x590 mm/memcontrol.c:2017
 page_remove_rmap+0x25/0x1480 mm/rmap.c:1377
 zap_pte_range mm/memory.c:1380 [inline]
 zap_pmd_range mm/memory.c:1490 [inline]
 zap_pud_range mm/memory.c:1519 [inline]
 zap_p4d_range mm/memory.c:1540 [inline]
 unmap_page_range+0xf7f/0x2a30 mm/memory.c:1561
 unmap_single_vma+0x198/0x310 mm/memory.c:1606
 unmap_vmas+0x16b/0x2f0 mm/memory.c:1638
 exit_mmap+0x201/0x670 mm/mmap.c:3178
 __mmput+0x122/0x4b0 kernel/fork.c:1114
 mmput+0x56/0x60 kernel/fork.c:1135
 exit_mm kernel/exit.c:507 [inline]
 do_exit+0xa3c/0x2a30 kernel/exit.c:793
 do_group_exit+0xd2/0x2f0 kernel/exit.c:935
 get_signal+0x45a/0x2490 kernel/signal.c:2863
 arch_do_signal_or_restart+0x2a9/0x1c40 arch/x86/kernel/signal.c:868
 handle_signal_work kernel/entry/common.c:148 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:172 [inline]
 exit_to_user_mode_prepare+0x17d/0x290 kernel/entry/common.c:207
 __syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline]
 syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:300
 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f9da3e49059
Code: Unable to access opcode bytes at RIP 0x7f9da3e4902f.
RSP: 002b:00007f9da27be218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000001 RBX: 00007f9da3f5bf68 RCX: 00007f9da3e49059
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f9da3f5bf6c
RBP: 00007f9da3f5bf60 R08: 00007ffe7a5c3080 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9da3f5bf6c
R13: 00007ffe7a52f1ff R14: 00007f9da27be300 R15: 0000000000022000
 </TASK>
rcu: rcu_preempt kthread timer wakeup didn't happen for 10501 jiffies! g120493 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: 	Possible timer handling issue on cpu=1 timer-softirq=77705
rcu: rcu_preempt kthread starved for 10502 jiffies! g120493 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->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:I stack:27448 pid:   14 ppid:     2 flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:4995 [inline]
 __schedule+0xa94/0x4910 kernel/sched/core.c:6304
 schedule+0xd2/0x260 kernel/sched/core.c:6377
 schedule_timeout+0x14a/0x2a0 kernel/time/timer.c:1881
 rcu_gp_fqs_loop+0x186/0x810 kernel/rcu/tree.c:1963
 rcu_gp_kthread+0x1de/0x320 kernel/rcu/tree.c:2136
 kthread+0x2e9/0x3a0 kernel/kthread.c:377
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 14948 Comm: syz-executor.2 Not tainted 5.17.0-rc5-syzkaller-00021-g23d04328444a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:match_held_lock+0xc/0xc0 kernel/locking/lockdep.c:5086
Code: bc ff 48 c7 c7 80 5f ac 89 e8 1b ae bc ff e8 57 6c cc ff 31 c0 5d c3 0f 1f 80 00 00 00 00 53 48 89 fb 48 83 ec 08 48 39 77 10 <74> 6a 66 f7 47 22 f0 ff 74 5a 48 8b 46 08 48 89 f7 48 85 c0 74 42
RSP: 0018:ffffc90000dc0bb8 EFLAGS: 00000006
RAX: 000000000000000a RBX: ffff88801eba0ab0 RCX: 0000000000000001
RDX: 0000000000000000 RSI: ffffffff8bb84520 RDI: ffff88801eba0ab0
RBP: ffffffff8bb84520 R08: 0000000000000000 R09: ffffffff8d9410d7
R10: fffffbfff1b2821a R11: 0000000000000000 R12: ffff88801eba0000
R13: ffff88801eba0a60 R14: 00000000ffffffff R15: ffff88801eba0ab0
FS:  0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9da3f5d090 CR3: 000000000b88e000 CR4: 0000000000350ee0
Call Trace:
 <IRQ>
 __lock_is_held kernel/locking/lockdep.c:5380 [inline]
 lock_is_held_type+0xa7/0x140 kernel/locking/lockdep.c:5682
 lock_is_held include/linux/lockdep.h:283 [inline]
 rcu_read_lock_sched_held+0x3a/0x70 kernel/rcu/update.c:125
 trace_lock_acquire include/trace/events/lock.h:13 [inline]
 lock_acquire+0x442/0x510 kernel/locking/lockdep.c:5610
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x39/0x50 kernel/locking/spinlock.c:162
 debug_object_activate+0x12e/0x3e0 lib/debugobjects.c:661
 debug_hrtimer_activate kernel/time/hrtimer.c:420 [inline]
 debug_activate kernel/time/hrtimer.c:475 [inline]
 enqueue_hrtimer+0x27/0x3e0 kernel/time/hrtimer.c:1084
 __run_hrtimer kernel/time/hrtimer.c:1702 [inline]
 __hrtimer_run_queues+0xb02/0xe50 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x31c/0x790 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1086 [inline]
 __sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1103
 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1097
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:lock_acquire+0x1ef/0x510 kernel/locking/lockdep.c:5607
Code: c0 a4 7e 83 f8 01 0f 85 b4 02 00 00 9c 58 f6 c4 02 0f 85 9f 02 00 00 48 83 7c 24 08 00 74 01 fb 48 b8 00 00 00 00 00 fc ff df <48> 01 c3 48 c7 03 00 00 00 00 48 c7 43 08 00 00 00 00 48 8b 84 24
RSP: 0018:ffffc90002b7f5c0 EFLAGS: 00000206
RAX: dffffc0000000000 RBX: 1ffff9200056feba RCX: d58cc61d2054002b
RDX: 1ffff11003d7414b RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8ffc2947
R10: fffffbfff1ff8528 R11: 0000000000000001 R12: 0000000000000002
R13: 0000000000000000 R14: ffffffff8bb845e0 R15: 0000000000000000
 rcu_lock_acquire include/linux/rcupdate.h:268 [inline]
 rcu_read_lock include/linux/rcupdate.h:694 [inline]
 folio_memcg_lock+0x3a/0x590 mm/memcontrol.c:2017
 page_remove_rmap+0x25/0x1480 mm/rmap.c:1377
 zap_pte_range mm/memory.c:1380 [inline]
 zap_pmd_range mm/memory.c:1490 [inline]
 zap_pud_range mm/memory.c:1519 [inline]
 zap_p4d_range mm/memory.c:1540 [inline]
 unmap_page_range+0xf7f/0x2a30 mm/memory.c:1561
 unmap_single_vma+0x198/0x310 mm/memory.c:1606
 unmap_vmas+0x16b/0x2f0 mm/memory.c:1638
 exit_mmap+0x201/0x670 mm/mmap.c:3178
 __mmput+0x122/0x4b0 kernel/fork.c:1114
 mmput+0x56/0x60 kernel/fork.c:1135
 exit_mm kernel/exit.c:507 [inline]
 do_exit+0xa3c/0x2a30 kernel/exit.c:793
 do_group_exit+0xd2/0x2f0 kernel/exit.c:935
 get_signal+0x45a/0x2490 kernel/signal.c:2863
 arch_do_signal_or_restart+0x2a9/0x1c40 arch/x86/kernel/signal.c:868
 handle_signal_work kernel/entry/common.c:148 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:172 [inline]
 exit_to_user_mode_prepare+0x17d/0x290 kernel/entry/common.c:207
 __syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline]
 syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:300
 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f9da3e49059
Code: Unable to access opcode bytes at RIP 0x7f9da3e4902f.
RSP: 002b:00007f9da27be218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000001 RBX: 00007f9da3f5bf68 RCX: 00007f9da3e49059
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f9da3f5bf6c
RBP: 00007f9da3f5bf60 R08: 00007ffe7a5c3080 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9da3f5bf6c
R13: 00007ffe7a52f1ff R14: 00007f9da27be300 R15: 0000000000022000
 </TASK>
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	03 0f                	add    (%rdi),%ecx
   2:	b6 14                	mov    $0x14,%dh
   4:	02 48 89             	add    -0x77(%rax),%cl
   7:	c8 83 e0 07          	enterq $0xe083,$0x7
   b:	83 c0 03             	add    $0x3,%eax
   e:	38 d0                	cmp    %dl,%al
  10:	7c 08                	jl     0x1a
  12:	84 d2                	test   %dl,%dl
  14:	0f 85 fc 05 00 00    	jne    0x616
  1a:	41 8b 44 24 2c       	mov    0x2c(%r12),%eax
  1f:	49 01 c6             	add    %rax,%r14
  22:	4d 39 fe             	cmp    %r15,%r14
  25:	4d 0f 4e fe          	cmovle %r14,%r15
* 29:	4c 8b 34 24          	mov    (%rsp),%r14 <-- trapping instruction
  2d:	4d 85 f6             	test   %r14,%r14
  30:	0f 84 78 05 00 00    	je     0x5ae
  36:	e8 fc be 13 fa       	callq  0xfa13bf37
  3b:	49 8d 7e 40          	lea    0x40(%r14),%rdi

Crashes (78):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/02/24 15:24 upstream 23d04328444a b28851a4 .config console log report info ci-upstream-kasan-gce-root INFO: rcu detected stall in syscall_exit_to_user_mode
2022/02/11 05:14 upstream f1baf68e1383 0b33604d .config console log report info ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in syscall_exit_to_user_mode
2022/01/28 09:38 upstream 23a46422c561 495e00c5 .config console log report info ci-upstream-kasan-gce-root INFO: rcu detected stall in syscall_exit_to_user_mode
2022/01/26 17:11 upstream 0280e3c58f92 2cbffd88 .config console log report info ci-upstream-kasan-gce-smack-root INFO: rcu detected stall in syscall_exit_to_user_mode
2022/01/21 06:47 upstream 2c271fe77d52 ab3d9f17 .config console log report info ci-upstream-kasan-gce-root INFO: rcu detected stall in syscall_exit_to_user_mode
2022/01/16 22:07 upstream 79e06c4c4950 723cfaf0 .config console log report info ci-upstream-kasan-gce-root INFO: rcu detected stall in syscall_exit_to_user_mode
2022/01/10 18:22 upstream df0cc57e057f ddb0ab8c .config console log report info ci-upstream-kasan-gce-smack-root INFO: rcu detected stall in syscall_exit_to_user_mode
2021/12/25 22:40 upstream e2ae0d4a6b0b 6caa12e4 .config console log report info ci-upstream-kasan-gce-root INFO: rcu detected stall in syscall_exit_to_user_mode
2021/12/17 03:09 upstream fa36bbe6d43f 44068e19 .config console log report info ci-upstream-kasan-gce-smack-root INFO: rcu detected stall in syscall_exit_to_user_mode
2021/12/02 17:46 upstream 58e1100fdc59 61f86278 .config console log report info ci-upstream-kasan-gce INFO: rcu detected stall in syscall_exit_to_user_mode
2021/11/29 14:08 upstream d58071a8a76d 63eeac02 .config console log report info ci-upstream-kasan-gce INFO: rcu detected stall in syscall_exit_to_user_mode
2021/11/24 08:06 upstream 5d9f4cf36721 545ab074 .config console log report info ci-upstream-kasan-gce INFO: rcu detected stall in syscall_exit_to_user_mode
2021/11/16 08:12 upstream 8ab774587903 83f5c9b5 .config console log report info ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in syscall_exit_to_user_mode
2021/11/16 04:53 upstream 8ab774587903 83f5c9b5 .config console log report info ci-upstream-kasan-gce INFO: rcu detected stall in syscall_exit_to_user_mode
2021/11/09 04:49 upstream e851dfae4371 8ab17e57 .config console log report info ci-upstream-kasan-gce-smack-root INFO: rcu detected stall in syscall_exit_to_user_mode
2021/11/09 01:17 upstream e851dfae4371 8ab17e57 .config console log report info ci-upstream-kasan-gce-root INFO: rcu detected stall in syscall_exit_to_user_mode
2021/10/31 08:20 upstream 119c85055d86 098b5d53 .config console log report info ci-upstream-kasan-gce INFO: rcu detected stall in syscall_exit_to_user_mode
2021/10/26 05:55 upstream c2b43854aad9 c1132b49 .config console log report info ci-upstream-kasan-gce INFO: rcu detected stall in syscall_exit_to_user_mode
2021/10/05 08:09 upstream 84b3e42564ac ce697b49 .config console log report info ci-upstream-kasan-gce-smack-root INFO: rcu detected stall in syscall_exit_to_user_mode
2021/09/27 08:01 upstream 996148ee05d0 78494d16 .config console log report info ci-upstream-kasan-gce INFO: rcu detected stall in syscall_exit_to_user_mode
2021/09/18 01:40 upstream ddf21bd8ab98 70b76c1d .config console log report info ci-upstream-kasan-gce INFO: rcu detected stall in syscall_exit_to_user_mode
2021/09/16 21:53 upstream ff1ffd71d5f0 aae492f2 .config console log report info ci-upstream-kasan-gce INFO: rcu detected stall in syscall_exit_to_user_mode
2021/09/16 19:11 upstream ff1ffd71d5f0 aae492f2 .config console log report info ci-upstream-kasan-gce-root INFO: rcu detected stall in syscall_exit_to_user_mode
2021/09/16 06:40 upstream b7213ffa0e58 07e953c1 .config console log report info ci-upstream-kasan-gce-root INFO: rcu detected stall in syscall_exit_to_user_mode
2021/09/15 20:22 upstream 3ca706c189db 07e953c1 .config console log report info ci-upstream-kasan-gce-root INFO: rcu detected stall in syscall_exit_to_user_mode
2021/09/10 04:24 upstream a3fa7a101dcf e2776ee4 .config console log report info ci-upstream-kasan-gce INFO: rcu detected stall in syscall_exit_to_user_mode
2021/09/03 08:35 upstream a9c9a6f741cd f62a5829 .config console log report info ci-upstream-kasan-gce-root INFO: rcu detected stall in syscall_exit_to_user_mode
2021/09/03 07:10 upstream a9c9a6f741cd 15cea0a3 .config console log report info ci-upstream-kasan-gce-root INFO: rcu detected stall in syscall_exit_to_user_mode
2021/09/01 08:14 upstream 9c849ce86e0f 7eb7e152 .config console log report info ci-upstream-kasan-gce INFO: rcu detected stall in syscall_exit_to_user_mode
2021/08/30 10:28 upstream 90ac80dcd313 be2c130d .config console log report info ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in syscall_exit_to_user_mode
2021/08/24 04:40 upstream d5ae8d7f85b7 b599f2fc .config console log report info ci-upstream-kasan-gce INFO: rcu detected stall in syscall_exit_to_user_mode
2021/08/16 17:08 upstream 7c60610d4767 33c26cb7 .config console log report info ci-upstream-kasan-gce-root INFO: rcu detected stall in syscall_exit_to_user_mode
2021/08/13 20:41 upstream f8e6dfc64f61 3fd2ea69 .config console log report info ci-upstream-kasan-gce INFO: rcu detected stall in syscall_exit_to_user_mode
2021/08/10 14:37 upstream 9a73fa375d58 6972b106 .config console log report info ci-upstream-kasan-gce INFO: rcu detected stall in syscall_exit_to_user_mode
2021/08/02 06:32 upstream d4affd6b6e81 6c236867 .config console log report info ci-upstream-kasan-gce-smack-root INFO: rcu detected stall in syscall_exit_to_user_mode
2021/07/31 19:01 upstream c7d102232649 6c236867 .config console log report info ci-upstream-kasan-gce INFO: rcu detected stall in syscall_exit_to_user_mode
2021/07/29 17:43 upstream 4010a528219e b44001ce .config console log report info ci-upstream-kasan-gce INFO: rcu detected stall in syscall_exit_to_user_mode
2021/07/22 04:47 upstream 7b6ae471e541 29c3f20f .config console log report info ci-upstream-kasan-gce INFO: rcu detected stall in syscall_exit_to_user_mode
2021/07/21 00:03 upstream 8cae8cd89f05 1b201b48 .config console log report info ci-upstream-kasan-gce INFO: rcu detected stall in syscall_exit_to_user_mode
2021/07/17 20:05 upstream d980cc0620ae f115ae98 .config console log report info ci-upstream-kasan-gce INFO: rcu detected stall in syscall_exit_to_user_mode
2021/07/13 20:40 upstream 40226a3d96ef fa0594c3 .config console log report info ci-upstream-kasan-gce-root INFO: rcu detected stall in syscall_exit_to_user_mode
2021/07/06 17:53 upstream 3dbdb38e2869 6c4484eb .config console log report info ci-upstream-kasan-gce INFO: rcu detected stall in syscall_exit_to_user_mode
2021/07/06 16:03 upstream 3dbdb38e2869 6c4484eb .config console log report info ci-upstream-kasan-gce INFO: rcu detected stall in syscall_exit_to_user_mode
2021/07/06 05:59 upstream 3dbdb38e2869 55aa55c2 .config console log report info ci-upstream-kasan-gce INFO: rcu detected stall in syscall_exit_to_user_mode
2021/07/02 19:35 upstream 3dbdb38e2869 55aa55c2 .config console log report info ci-upstream-kasan-gce INFO: rcu detected stall in syscall_exit_to_user_mode
2021/06/28 21:07 upstream 62fb9874f5da 9d2ab5df .config console log report info ci-upstream-kasan-gce INFO: rcu detected stall in syscall_exit_to_user_mode
2021/06/27 06:51 upstream 625acffd7ae2 9d2ab5df .config console log report info ci-upstream-kasan-gce INFO: rcu detected stall in syscall_exit_to_user_mode
2021/06/18 04:59 upstream fd0aa1a4567d aba2b2fb .config console log report info ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in syscall_exit_to_user_mode
2021/06/16 16:08 upstream 94f0b2d4a1d0 c06f97ad .config console log report info ci-upstream-kasan-gce INFO: rcu detected stall in syscall_exit_to_user_mode
2021/06/14 21:21 upstream 009c9aa5be65 1ba81399 .config console log report info ci-upstream-kasan-gce INFO: rcu detected stall in syscall_exit_to_user_mode
2021/06/03 06:25 upstream 324c92e5e0ee 0740de69 .config console log report info ci-upstream-kasan-gce INFO: rcu detected stall in syscall_exit_to_user_mode
2021/05/26 08:47 upstream ad9f25d33860 93d3a9f6 .config console log report info ci-upstream-kasan-gce-smack-root INFO: rcu detected stall in syscall_exit_to_user_mode
2021/05/25 09:10 upstream 1434a3127887 3c7fef33 .config console log report info ci-upstream-kasan-gce INFO: rcu detected stall in syscall_exit_to_user_mode
2021/05/19 16:58 upstream 8ac91e6c6033 a343ba6b .config console log report info ci-upstream-kasan-gce INFO: rcu detected stall in syscall_exit_to_user_mode
2021/05/10 07:26 upstream 6efb943b8616 bc5434be .config console log report info ci-upstream-kasan-gce INFO: rcu detected stall in syscall_exit_to_user_mode
2021/07/06 17:59 upstream 3dbdb38e2869 6c4484eb .config console log report info ci-upstream-kasan-gce-386 INFO: rcu detected stall in syscall_exit_to_user_mode
2022/01/10 21:14 bpf d6d86830705f ddb0ab8c .config console log report info ci-upstream-bpf-kasan-gce INFO: rcu detected stall in syscall_exit_to_user_mode
2021/10/25 11:32 net-old 95a359c95533 4f0000ee .config console log report info ci-upstream-net-this-kasan-gce INFO: rcu detected stall in syscall_exit_to_user_mode
2021/08/29 03:11 bpf 5b029a32cfe4 be2c130d .config console log report info ci-upstream-bpf-kasan-gce INFO: rcu detected stall in syscall_exit_to_user_mode
2021/07/16 09:02 bpf 91091656252f f115ae98 .config console log report info ci-upstream-bpf-kasan-gce INFO: rcu detected stall in syscall_exit_to_user_mode
2021/11/18 06:32 bpf-next dd7f091fd22b cafff8b6 .config console log report info ci-upstream-bpf-next-kasan-gce INFO: rcu detected stall in syscall_exit_to_user_mode
2022/02/14 23:40 linux-next ef6b35306dd8 8b9ca619 .config console log report info ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in syscall_exit_to_user_mode
2022/01/17 18:03 linux-next 68e0667e38d9 731a2d23 .config console log report info ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in syscall_exit_to_user_mode
2022/01/08 04:31 linux-next b8170452cd51 2ca0d385 .config console log report info ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in syscall_exit_to_user_mode
2022/01/06 05:38 linux-next 7a769a3922d8 6acc789a .config console log report info ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in syscall_exit_to_user_mode
2021/12/18 22:32 linux-next fbf252e09678 44068e19 .config console log report info ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in syscall_exit_to_user_mode
2021/12/10 16:02 linux-next 4eee8d0b64ec 49ca1f59 .config console log report info ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in syscall_exit_to_user_mode
2021/12/04 21:09 linux-next f81e94e91878 a617004c .config console log report info ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in syscall_exit_to_user_mode
2021/11/25 01:59 linux-next 4b74e088fef6 545ab074 .config console log report info ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in syscall_exit_to_user_mode
2021/11/23 20:46 linux-next aacdecce8147 545ab074 .config console log report info ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in syscall_exit_to_user_mode
2021/11/21 19:38 linux-next 5191249f8803 4eb20a4e .config console log report info ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in syscall_exit_to_user_mode
2021/11/14 23:42 linux-next f2e19fd15bd7 83f5c9b5 .config console log report info ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in syscall_exit_to_user_mode
2021/11/04 20:09 linux-next 8a796a1dfca2 4c1be0be .config console log report info ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in syscall_exit_to_user_mode
2021/09/28 03:47 linux-next bf5b1e621a51 78494d16 .config console log report info ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in syscall_exit_to_user_mode
2021/09/16 21:08 linux-next 368847b165bb aae492f2 .config console log report info ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in syscall_exit_to_user_mode
2021/08/07 05:08 linux-next 7999516e20bd 6972b106 .config console log report info ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in syscall_exit_to_user_mode
2021/07/22 13:29 linux-next 7468cbf5c917 302e51de .config console log report info ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in syscall_exit_to_user_mode
2021/07/17 21:04 linux-next c1a6d08348fc f115ae98 .config console log report info ci-upstream-linux-next-kasan-gce-root INFO: rcu detected stall in syscall_exit_to_user_mode
* Struck through repros no longer work on HEAD.