INFO: rcu detected stall in syscall_exit_to_user_mode

Status: upstream: reported C repro on 2023/08/26 22:23
Bug presence: origin:upstream
Labels: missing-backport
[Documentation on labels]
Reported-by: syzbot+82e2b3f11a49481f3ea3@syzkaller.appspotmail.com
First crash: 1162d, last: 4h36m
Fix commit to backport (bisect log) :
tree: upstream
commit 5f6bd380c7bdbe10f7b4e8ddcceed60ce0714c6d
Author: Peter Zijlstra <peterz@infradead.org>
Date: Mon May 27 12:06:55 2024 +0000

  sched/rt: Remove default bandwidth control

  
▶ ▼ Bug presence (3)
Date Name Commit Repro Result
2024/10/20 linux-5.15.y (ToT) 584a40a22cb9 C [report] INFO: rcu detected stall in corrupted
2023/09/08 upstream (ToT) 2ab35ce202f8 C [report] INFO: rcu detected stall in syscall_exit_to_user_mode
2024/10/20 upstream (ToT) 715ca9dd687f C Didn't crash
▶ ▼ Similar bugs (7)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: rcu detected stall in syscall_exit_to_user_mode cgroups mm 1 78 1710d 1891d 20/29 fixed on 2022/03/08 16:11
linux-6.1 INFO: rcu detected stall in syscall_exit_to_user_mode origin:upstream missing-backport 1 syz, C done 378 11d 1303d 0/3 upstream: reported C repro on 2023/04/07 08:31
linux-6.6 INFO: rcu detected stall in syscall_exit_to_user_mode origin:lts-only 1 syz, C done 145 1d06h 494d 0/2 upstream: reported C repro on 2025/06/24 16:00
upstream INFO: rcu detected stall in syscall_exit_to_user_mode (2) usb 1 syz, C inconclusive error 807 288d 1426d 0/29 upstream: reported C repro on 2022/12/05 19:46
android-5-15 BUG: soft lockup in syscall_exit_to_user_mode (3) 1 syz, C 4 26d 26d 0/2 upstream: reported C repro on 2026/10/05 05:52
android-5-15 BUG: soft lockup in syscall_exit_to_user_mode (2) 1 1 709d 709d 0/2 auto-obsoleted due to no activity on 2025/02/19 23:24
android-5-15 BUG: soft lockup in syscall_exit_to_user_mode origin:lts 1 syz, C 16 812d 891d 0/2 auto-obsoleted due to no activity on 2024/11/18 18:22
▶ ▼ Fix bisection attempts (1)
Created Duration User Patch Repo Result
2025/01/06 18:28 8h27m fix candidate upstream OK (1) job log

Sample crash report:
rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-...!: (10499 ticks this GP) idle=bf3/1/0x4000000000000000 softirq=7824/7833 fqs=13 
	(t=10501 jiffies g=8921 q=264)
rcu: rcu_preempt kthread starved for 10476 jiffies! g8921 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:27408 pid:   15 ppid:     2 flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5049 [inline]
 __schedule+0x11c3/0x4350 kernel/sched/core.c:6395
 schedule+0x11b/0x1e0 kernel/sched/core.c:6478
 schedule_timeout+0x184/0x2d0 kernel/time/timer.c:2117
 rcu_gp_fqs_loop+0x2be/0x11f0 kernel/rcu/tree.c:1972
 rcu_gp_kthread+0x9a/0x370 kernel/rcu/tree.c:2145
 kthread+0x42e/0x520 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 4451 Comm: syz.1.18 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
RIP: 0010:arch_irqs_disabled_flags arch/x86/include/asm/irqflags.h:127 [inline]
RIP: 0010:arch_irqs_disabled arch/x86/include/asm/irqflags.h:134 [inline]
RIP: 0010:lock_acquire+0x1df/0x400 kernel/locking/lockdep.c:5740
Code: 0f c1 05 24 89 a5 7e 83 f8 01 0f 85 03 01 00 00 43 c6 44 3c 04 00 48 c7 84 24 80 00 00 00 00 00 00 00 9c 8f 84 24 80 00 00 00 <f7> 84 24 80 00 00 00 00 02 00 00 43 c6 44 3c 04 f8 0f 85 f0 00 00
RSP: 0018:ffffc9000361f8e0 EFLAGS: 00000046
RAX: 0000000000000001 RBX: 0000000000000000 RCX: 3205838ab9081d00
RDX: 0000000000000000 RSI: ffffffff8a2b3e00 RDI: ffffffff8a7a4bc0
RBP: ffffc9000361f9e8 R08: dffffc0000000000 R09: 1ffffffff2208c19
R10: dffffc0000000000 R11: fffffbfff2208c1a R12: 1ffff920006c3f28
R13: ffff8880b8e2a258 R14: 0000000000000046 R15: dffffc0000000000
FS:  0000555568bc0500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000020000006b000 CR3: 000000002d6a0000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0xb0/0x100 kernel/locking/spinlock.c:162
 lock_hrtimer_base kernel/time/hrtimer.c:168 [inline]
 hrtimer_start_range_ns+0xf1/0xc40 kernel/time/hrtimer.c:1284
 posixtimer_rearm+0x12a/0x340 kernel/time/posix-timers.c:329
 dequeue_signal+0x174/0x440 kernel/signal.c:696
 get_signal+0x823/0x12e0 kernel/signal.c:2794
 arch_do_signal_or_restart+0xe6/0x12a0 arch/x86/kernel/signal.c:867
 handle_signal_work kernel/entry/common.c:157 [inline]
 exit_to_user_mode_loop+0x9e/0x130 kernel/entry/common.c:181
 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:217
 __syscall_exit_to_user_mode_work kernel/entry/common.c:299 [inline]
 syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:310
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f2d062ff559
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:00007fff204df548 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 00007f2d06585fa0 RCX: 00007f2d062ff559
RDX: 000020000006b000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f2d06396b20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2d06585fac R14: 00007f2d06585fa0 R15: 00007f2d06585fa0
 </TASK>
NMI backtrace for cpu 1
CPU: 1 PID: 4450 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
Call Trace:
 <IRQ>
 dump_stack_lvl+0x188/0x250 lib/dump_stack.c:106
 nmi_cpu_backtrace+0x3a2/0x3d0 lib/nmi_backtrace.c:111
 nmi_trigger_cpumask_backtrace+0x163/0x280 lib/nmi_backtrace.c:62
 trigger_single_cpu_backtrace include/linux/nmi.h:166 [inline]
 rcu_dump_cpu_stacks+0x22d/0x380 kernel/rcu/tree_stall.h:349
 print_cpu_stall+0x31f/0x5f0 kernel/rcu/tree_stall.h:633
 check_cpu_stall kernel/rcu/tree_stall.h:727 [inline]
 rcu_pending kernel/rcu/tree.c:3936 [inline]
 rcu_sched_clock_irq+0x6ec/0x1120 kernel/rcu/tree.c:2619
 update_process_times+0x193/0x200 kernel/time/timer.c:2021
 tick_sched_handle kernel/time/tick-sched.c:254 [inline]
 tick_sched_timer+0x37d/0x560 kernel/time/tick-sched.c:1473
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x4b0/0xb60 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x397/0x8b0 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1097 [inline]
 __sysvec_apic_timer_interrupt+0x137/0x4a0 arch/x86/kernel/apic/apic.c:1114
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0x9b/0xc0 arch/x86/kernel/apic/apic.c:1108
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:169 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x25/0x40 kernel/locking/spinlock.c:202
Code: 00 00 00 66 90 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 de 2e 8b f7 48 89 df e8 e6 10 8c f7 e8 21 0d ad f7 fb bf 01 00 00 00 <e8> 26 17 80 f7 65 8b 05 a7 2d 30 76 85 c0 74 02 5b c3 e8 e4 3a 2e
RSP: 0018:ffffc9000368fbc0 EFLAGS: 00000282
RAX: 0e59d70ee06dfe00 RBX: ffff88807d85ef00 RCX: 0e59d70ee06dfe00
RDX: dffffc0000000000 RSI: ffffffff8a2b2b60 RDI: 0000000000000001
RBP: 0000000000000000 R08: ffff88807d85ef03 R09: 1ffff1100fb0bde0
R10: dffffc0000000000 R11: ffffed100fb0bde1 R12: dffffc0000000000
R13: ffff88807d85ef00 R14: 0000000000000021 R15: 000000001c000004
 spin_unlock_irq include/linux/spinlock.h:414 [inline]
 get_signal+0x11f2/0x12e0 kernel/signal.c:2916
 arch_do_signal_or_restart+0xe6/0x12a0 arch/x86/kernel/signal.c:867
 handle_signal_work kernel/entry/common.c:157 [inline]
 exit_to_user_mode_loop+0x9e/0x130 kernel/entry/common.c:181
 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:217
 __syscall_exit_to_user_mode_work kernel/entry/common.c:299 [inline]
 syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:310
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f364bab4559
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:00007ffd99c46a48 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f364bab4559
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f364bd3afac
RBP: 0000000000001f18 R08: 003022ea0b5be022 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f364bd3afac R14: 00007f364bd3afa8 R15: 00007f364bd3afa0
 </TASK>
sched: RT throttling activated

Crashes (1700):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/10/26 04:38 linux-5.15.y 792fbe1537d8 1d9ca40b .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/09/29 00:16 linux-5.15.y 0248c33e835e a3c7249d .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/09/27 23:59 linux-5.15.y 0248c33e835e a3c7249d .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/09/27 11:26 linux-5.15.y 0248c33e835e a3c7249d .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/08/20 19:32 linux-5.15.y 0eb903b5b519 1e72964b .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/08/19 04:54 linux-5.15.y aabd761612db 1e72964b .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/08/07 04:15 linux-5.15.y 9c7634c60784 c38879ea .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf INFO: rcu detected stall in syscall_exit_to_user_mode
2026/06/28 15:45 linux-5.15.y eceeec79dbc6 fb92f11c .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/06/14 19:48 linux-5.15.y dc027a595035 1d2f3589 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/06/03 10:47 linux-5.15.y dc027a595035 3c0d2131 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/05/14 11:46 linux-5.15.y de8dfb3f0278 6ccb967e .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/05/10 12:32 linux-5.15.y de8dfb3f0278 29233ece .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/05/01 22:39 linux-5.15.y ef251c45f1cd 753c55b9 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/04/04 05:36 linux-5.15.y 91d48252ad4b 4440e7c2 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/03/22 22:56 linux-5.15.y 91d48252ad4b 5b92003d .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/03/22 08:48 linux-5.15.y 91d48252ad4b 5b92003d .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/03/01 10:21 linux-5.15.y 3330a8d33e08 43249bac .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/03/01 03:22 linux-5.15.y 3330a8d33e08 43249bac .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/02/21 08:11 linux-5.15.y 3330a8d33e08 6e7b5511 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/02/16 13:13 linux-5.15.y e45d5d41c134 1e62d198 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/02/16 00:43 linux-5.15.y e45d5d41c134 1e62d198 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/02/15 13:31 linux-5.15.y e45d5d41c134 1e62d198 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/02/13 04:25 linux-5.15.y e45d5d41c134 504cb1bf .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/02/12 14:30 linux-5.15.y e45d5d41c134 76a109e2 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/02/01 11:47 linux-5.15.y 9eec9a14ee10 6b8752f2 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/02/01 11:35 linux-5.15.y 9eec9a14ee10 6b8752f2 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2023/09/08 01:31 linux-5.15.y aff03380bda4 72324844 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/11/01 00:17 linux-5.15.y 700e62ea909a 2041d3f8 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/10/23 17:52 linux-5.15.y 792fbe1537d8 d566bfda .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf INFO: rcu detected stall in syscall_exit_to_user_mode
2026/10/04 19:10 linux-5.15.y a051a4bf909f 57bbd979 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf INFO: rcu detected stall in syscall_exit_to_user_mode
2026/07/19 20:31 linux-5.15.y c86c4726e7f0 72524a66 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/07/19 07:49 linux-5.15.y c86c4726e7f0 72524a66 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/06/29 04:50 linux-5.15.y eceeec79dbc6 fb92f11c .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/06/14 11:44 linux-5.15.y dc027a595035 1d2f3589 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/06/08 01:42 linux-5.15.y dc027a595035 cc095639 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/06/07 18:49 linux-5.15.y dc027a595035 cc095639 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/05/24 01:01 linux-5.15.y 241d66fa280c c69befb3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/05/17 15:23 linux-5.15.y 93741761e5e3 de5aae85 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/05/10 08:37 linux-5.15.y de8dfb3f0278 29233ece .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/05/09 22:25 linux-5.15.y de8dfb3f0278 29233ece .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/04/06 03:22 linux-5.15.y 91d48252ad4b 4440e7c2 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/03/29 04:48 linux-5.15.y 91d48252ad4b b5ceaad2 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/03/01 23:00 linux-5.15.y 3330a8d33e08 43249bac .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/02/14 21:04 linux-5.15.y e45d5d41c134 1e62d198 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/10/31 18:20 linux-5.15.y 700e62ea909a 2041d3f8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/10/25 17:34 linux-5.15.y 792fbe1537d8 1d9ca40b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/10/24 05:14 linux-5.15.y 792fbe1537d8 1d9ca40b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf INFO: rcu detected stall in syscall_exit_to_user_mode
2026/10/24 03:05 linux-5.15.y 792fbe1537d8 1d9ca40b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/10/24 01:51 linux-5.15.y 792fbe1537d8 1d9ca40b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/10/21 11:21 linux-5.15.y 792fbe1537d8 61c200c7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/10/21 09:48 linux-5.15.y 792fbe1537d8 61c200c7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/10/20 16:48 linux-5.15.y 792fbe1537d8 df8746fb .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/10/19 19:29 linux-5.15.y 792fbe1537d8 72cdc28d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/10/19 12:26 linux-5.15.y 792fbe1537d8 432c0077 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf INFO: rcu detected stall in syscall_exit_to_user_mode
2026/10/18 10:44 linux-5.15.y 792fbe1537d8 432c0077 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf INFO: rcu detected stall in syscall_exit_to_user_mode
2026/10/18 03:27 linux-5.15.y 792fbe1537d8 432c0077 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf INFO: rcu detected stall in syscall_exit_to_user_mode
2026/10/14 03:31 linux-5.15.y a051a4bf909f 7321cd29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/10/11 06:56 linux-5.15.y a051a4bf909f 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/10/10 21:34 linux-5.15.y a051a4bf909f 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/10/08 09:25 linux-5.15.y a051a4bf909f 4f6a9fcf .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/10/05 17:12 linux-5.15.y a051a4bf909f af63e995 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/10/04 14:19 linux-5.15.y a051a4bf909f 57bbd979 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf INFO: rcu detected stall in syscall_exit_to_user_mode
2026/10/02 21:19 linux-5.15.y 0248c33e835e 57bbd979 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf INFO: rcu detected stall in syscall_exit_to_user_mode
2026/10/01 10:17 linux-5.15.y 0248c33e835e 38f7f0d1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/09/26 17:23 linux-5.15.y 0248c33e835e a3c7249d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf INFO: rcu detected stall in syscall_exit_to_user_mode
2026/09/13 16:52 linux-5.15.y 0996e0926f6b 70a60e12 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/09/12 04:00 linux-5.15.y 0996e0926f6b 70a60e12 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf INFO: rcu detected stall in syscall_exit_to_user_mode
2026/09/09 00:31 linux-5.15.y 0996e0926f6b 243b72f1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/09/05 05:12 linux-5.15.y 0996e0926f6b 4f7b22a0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/08/31 14:40 linux-5.15.y 28c35638ec51 2f52988a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf INFO: rcu detected stall in syscall_exit_to_user_mode
2026/08/31 08:41 linux-5.15.y 28c35638ec51 2f52988a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf INFO: rcu detected stall in syscall_exit_to_user_mode
2026/08/30 20:40 linux-5.15.y 28c35638ec51 2f52988a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/08/29 11:00 linux-5.15.y 28c35638ec51 2f52988a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/08/21 17:24 linux-5.15.y 0eb903b5b519 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf INFO: rcu detected stall in syscall_exit_to_user_mode
2026/08/19 13:12 linux-5.15.y aabd761612db 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf INFO: rcu detected stall in syscall_exit_to_user_mode
2026/08/19 01:45 linux-5.15.y aabd761612db 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/08/16 13:45 linux-5.15.y aabd761612db 746171ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf INFO: rcu detected stall in syscall_exit_to_user_mode
2026/08/10 23:58 linux-5.15.y aabd761612db 508909ea .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/08/09 17:55 linux-5.15.y aabd761612db 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/08/08 20:19 linux-5.15.y aabd761612db 5d63f80b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf INFO: rcu detected stall in syscall_exit_to_user_mode
2026/08/05 22:19 linux-5.15.y 6e2fd6534337 cd5b1963 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/08/04 17:33 linux-5.15.y 6e2fd6534337 d4abbeac .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/08/03 15:42 linux-5.15.y 6e2fd6534337 6b7c9f71 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/08/03 14:18 linux-5.15.y 6e2fd6534337 6b7c9f71 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/08/02 09:18 linux-5.15.y 6e2fd6534337 e611ffe1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/07/29 23:03 linux-5.15.y 674f684f7c61 6ef5c1e2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/07/27 23:02 linux-5.15.y 674f684f7c61 aae9036b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/07/26 00:54 linux-5.15.y 674f684f7c61 492bab15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/07/26 00:53 linux-5.15.y 674f684f7c61 492bab15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/07/25 09:24 linux-5.15.y 674f684f7c61 492bab15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/07/23 04:15 linux-5.15.y c86c4726e7f0 881ce5c2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf INFO: rcu detected stall in syscall_exit_to_user_mode
2026/07/21 18:01 linux-5.15.y c86c4726e7f0 7c5de9c3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/07/21 14:26 linux-5.15.y c86c4726e7f0 7c5de9c3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2023/08/26 22:22 linux-5.15.y 5ddfe5cc8716 7ba13a15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
* Struck through repros no longer work on HEAD.