INFO: rcu detected stall in syscall_exit_to_user_mode

Status: upstream: reported C repro on 2023/04/07 08:31
Bug presence: origin:upstream
Labels: missing-backport
[Documentation on labels]
Reported-by: syzbot+a5ddd0a69ba3bcb6ca90@syzkaller.appspotmail.com
First crash: 1314d, last: 3d16h
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
2024/10/27 linux-6.1.y (ToT) 7ec6f9fa3d97 C [report] INFO: rcu detected stall in corrupted
2023/12/28 upstream (ToT) f5837722ffec C [report] INFO: rcu detected stall in corrupted
2024/10/27 upstream (ToT) 850925a8133c 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 1721d 1901d 20/29 fixed on 2022/03/08 16:11
linux-6.6 INFO: rcu detected stall in syscall_exit_to_user_mode origin:lts-only 1 syz, C done 145 12d 505d 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 299d 1437d 0/29 upstream: reported C repro on 2022/12/05 19:46
linux-5.15 INFO: rcu detected stall in syscall_exit_to_user_mode missing-backport origin:upstream 1 syz, C done 1704 9h47m 1173d 0/3 upstream: reported C repro on 2023/08/26 22:23
android-5-15 BUG: soft lockup in syscall_exit_to_user_mode (3) origin:upstream 1 syz, C 4 37d 37d 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 720d 720d 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 823d 902d 0/2 auto-obsoleted due to no activity on 2024/11/18 18:22
▶ ▼ Fix bisection attempts (1)
Created Duration User Patch Repo Result
2024/12/30 02:31 6h45m fix candidate upstream OK (1) job log

Sample crash report:
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
	(detected by 1, t=10502 jiffies, g=6925, q=60 ncpus=2)
rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294955277-4294944775), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10502 jiffies! g6925 f0x2 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:27856 pid:16    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5257 [inline]
 __schedule+0x1089/0x4140 kernel/sched/core.c:6584
 schedule+0xb9/0x180 kernel/sched/core.c:6660
 schedule_timeout+0x184/0x2d0 kernel/time/timer.c:2168
 rcu_gp_fqs_loop+0x303/0x13a0 kernel/rcu/tree.c:1706
 rcu_gp_kthread+0x9a/0x400 kernel/rcu/tree.c:1905
 kthread+0x29d/0x330 kernel/kthread.c:376
 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 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 4316 Comm: syz-executor401 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026
RIP: 0010:bytes_is_nonzero mm/kasan/generic.c:85 [inline]
RIP: 0010:memory_is_nonzero mm/kasan/generic.c:102 [inline]
RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:128 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/generic.c:159 [inline]
RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline]
RIP: 0010:kasan_check_range+0x84/0x290 mm/kasan/generic.c:189
Code: 49 c1 e9 03 4b 8d 1c 21 49 89 df 4d 29 df 49 83 ff 10 7f 29 4d 85 ff 0f 84 38 01 00 00 4c 89 cb 48 f7 d3 4c 01 f3 41 80 3b 00 <0f> 85 86 01 00 00 49 ff c3 48 ff c3 75 ee e9 18 01 00 00 44 89 dd
RSP: 0018:ffffc90000007890 EFLAGS: 00000046
RAX: 0000000000000001 RBX: ffffffffffffffff RCX: ffffffff81643089
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff91b62310
RBP: ffffc90000007b08 R08: ffffffff91b62317 R09: 1ffffffff236c462
R10: dffffc0000000000 R11: fffffbfff236c462 R12: dffffc0000000001
R13: ffff888074a6da00 R14: 1ffffffff236c462 R15: 0000000000000001
FS:  00005555747b73c0(0000) GS:ffff8880b8c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000020000006b000 CR3: 000000007cea5000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 instrument_atomic_read include/linux/instrumented.h:72 [inline]
 _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
 hlock_class kernel/locking/lockdep.c:228 [inline]
 __lock_acquire+0x1359/0x7ea0 kernel/locking/lockdep.c:5168
 lock_acquire+0x1bc/0x4a0 kernel/locking/lockdep.c:5790
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0xb0/0x100 kernel/locking/spinlock.c:162
 posix_timer_fn+0x32/0x350 kernel/time/posix-timers.c:380
 __run_hrtimer kernel/time/hrtimer.c:1751 [inline]
 __hrtimer_run_queues+0x522/0xc90 kernel/time/hrtimer.c:1815
 hrtimer_interrupt+0x399/0x980 kernel/time/hrtimer.c:1877
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1107 [inline]
 __sysvec_apic_timer_interrupt+0x153/0x5a0 arch/x86/kernel/apic/apic.c:1124
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
 sysvec_apic_timer_interrupt+0x9b/0xc0 arch/x86/kernel/apic/apic.c:1118
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:160 [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 4e 2d 23 f7 48 89 df e8 b6 ff 23 f7 e8 b1 6c 47 f7 fb bf 01 00 00 00 <e8> 16 64 17 f7 65 8b 05 a7 00 c1 75 85 c0 74 02 5b c3 e8 b4 14 bf
RSP: 0018:ffffc90003f57b98 EFLAGS: 00000282
RAX: 06c811c757385900 RBX: ffff88807d960000 RCX: 06c811c757385900
RDX: dffffc0000000000 RSI: ffffffff8aac1cc0 RDI: 0000000000000001
RBP: 0000000000000000 R08: ffff88807d960003 R09: 1ffff1100fb2c000
R10: dffffc0000000000 R11: ffffed100fb2c001 R12: 0000000000000021
R13: ffff88807d960498 R14: dffffc0000000000 R15: 000000001c000004
 spin_unlock_irq include/linux/spinlock.h:401 [inline]
 get_signal+0x114a/0x1340 kernel/signal.c:2887
 arch_do_signal_or_restart+0xc4/0x1310 arch/x86/kernel/signal.c:871
 exit_to_user_mode_loop+0x70/0x110 kernel/entry/common.c:177
 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:213
 __syscall_exit_to_user_mode_work kernel/entry/common.c:295 [inline]
 syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:306
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fbf941cadd9
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 d0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffef0ff3418 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007fbf941cadd9
RDX: 000020000006b000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 00007fbf941a1990 R09: 00007fbf941a1990
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fbf9424105d
R13: 00007fbf9423f183 R14: 00007ffef0ff3450 R15: 0000000000000000
 </TASK>
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.119 msecs

Crashes (379):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/11/08 12:02 linux-6.1.y c75b0cf0982c 5cecaf1f .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/09/22 01:04 linux-6.1.y 1a8763b93150 853b104b .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/07/20 10:02 linux-6.1.y 090666d3cc90 72524a66 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/07/18 21:04 linux-6.1.y 090666d3cc90 72524a66 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/06/28 17:11 linux-6.1.y fdb6fcb41cc7 fb92f11c .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/06/21 11:20 linux-6.1.y fdb6fcb41cc7 43bfcdb0 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/06/20 12:01 linux-6.1.y fdb6fcb41cc7 43bfcdb0 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/06/15 06:06 linux-6.1.y 228da13e907e 1d2f3589 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/06/14 06:19 linux-6.1.y 228da13e907e 1d2f3589 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/05/28 06:57 linux-6.1.y dcbcab9d7079 4c36e7e5 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf INFO: rcu detected stall in syscall_exit_to_user_mode
2026/05/24 16:42 linux-6.1.y dcbcab9d7079 c69befb3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/04/19 22:53 linux-6.1.y 7c87defbd336 303e2802 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/04/04 23:59 linux-6.1.y 1989cd3d56e2 4440e7c2 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/03/29 17:29 linux-6.1.y 1989cd3d56e2 b5ceaad2 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/02/22 06:13 linux-6.1.y 779f9571ac3e 6e7b5511 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/02/22 03:27 linux-6.1.y 779f9571ac3e 6e7b5511 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/02/22 00:46 linux-6.1.y 779f9571ac3e 6e7b5511 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/02/21 21:36 linux-6.1.y 779f9571ac3e 6e7b5511 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/02/21 15:36 linux-6.1.y 779f9571ac3e 6e7b5511 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/02/21 11:02 linux-6.1.y 779f9571ac3e 6e7b5511 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/02/21 09:50 linux-6.1.y 779f9571ac3e 6e7b5511 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/02/16 03:51 linux-6.1.y 8ce36b2849ef 1e62d198 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/02/14 19:51 linux-6.1.y 8ce36b2849ef 1e62d198 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/02/14 19:19 linux-6.1.y 8ce36b2849ef 1e62d198 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/02/12 14:49 linux-6.1.y 8ce36b2849ef 76a109e2 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/02/01 22:59 linux-6.1.y cd9b81672742 6b8752f2 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/01/25 10:31 linux-6.1.y cd9b81672742 40acda8a .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/01/25 06:01 linux-6.1.y cd9b81672742 40acda8a .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2025/12/30 02:21 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2025/12/27 15:50 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2025/12/22 17:27 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2025/12/22 10:00 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2023/12/28 04:12 linux-6.1.y 4aa6747d9352 fb427a07 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/04/10 07:03 linux-6.1.y 1989cd3d56e2 38c8e246 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/02/02 07:17 linux-6.1.y cd9b81672742 6b8752f2 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/01/25 05:48 linux-6.1.y cd9b81672742 40acda8a .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/01/14 16:22 linux-6.1.y bec0e10ee67e d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/01/01 10:43 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/01/01 07:51 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/01/01 05:26 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/01/01 02:40 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2025/12/31 07:19 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2025/12/30 18:13 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/10/21 04:28 linux-6.1.y 79807e970724 df8746fb .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/10/16 12:12 linux-6.1.y 79807e970724 4c840a2f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/10/10 17:03 linux-6.1.y a500ba24937a 4f92358f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf INFO: rcu detected stall in syscall_exit_to_user_mode
2026/10/06 17:12 linux-6.1.y a500ba24937a f7710056 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf INFO: rcu detected stall in syscall_exit_to_user_mode
2026/10/03 15:35 linux-6.1.y a500ba24937a 57bbd979 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/09/29 14:08 linux-6.1.y 1a8763b93150 7bf4ea23 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/09/22 02:38 linux-6.1.y 1a8763b93150 853b104b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf INFO: rcu detected stall in syscall_exit_to_user_mode
2026/09/16 14:39 linux-6.1.y 1a8763b93150 12a0a44a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf INFO: rcu detected stall in syscall_exit_to_user_mode
2026/09/15 23:00 linux-6.1.y 1a8763b93150 2daa4bb5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/09/15 13:06 linux-6.1.y 1a8763b93150 81a27d1a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf INFO: rcu detected stall in syscall_exit_to_user_mode
2026/09/14 04:22 linux-6.1.y cf82dcca9634 70a60e12 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf INFO: rcu detected stall in syscall_exit_to_user_mode
2026/08/21 11:08 linux-6.1.y 7e6e67054721 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf INFO: rcu detected stall in syscall_exit_to_user_mode
2026/08/16 14:23 linux-6.1.y e4f7d8be268e 746171ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf INFO: rcu detected stall in syscall_exit_to_user_mode
2026/07/28 05:10 linux-6.1.y dc5c83b7f5f8 45ae1df4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/06/22 00:10 linux-6.1.y fdb6fcb41cc7 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/06/15 04:10 linux-6.1.y 228da13e907e 1d2f3589 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/06/15 02:44 linux-6.1.y 228da13e907e 1d2f3589 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf INFO: rcu detected stall in syscall_exit_to_user_mode
2026/06/07 05:46 linux-6.1.y 228da13e907e cc095639 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf INFO: rcu detected stall in syscall_exit_to_user_mode
2026/05/30 10:57 linux-6.1.y dcbcab9d7079 6b4a8443 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf INFO: rcu detected stall in syscall_exit_to_user_mode
2026/05/26 11:59 linux-6.1.y dcbcab9d7079 a3e47276 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/05/17 06:41 linux-6.1.y c27210688955 de5aae85 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/05/16 18:07 linux-6.1.y c27210688955 a15a64a6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/04/24 14:31 linux-6.1.y 7c87defbd336 1c2b9291 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/04/09 00:00 linux-6.1.y 1989cd3d56e2 d9b7f621 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/04/04 06:37 linux-6.1.y 1989cd3d56e2 4440e7c2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf INFO: rcu detected stall in syscall_exit_to_user_mode
2026/04/02 20:24 linux-6.1.y 1989cd3d56e2 91bc79b0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/03/29 11:34 linux-6.1.y 1989cd3d56e2 b5ceaad2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf INFO: rcu detected stall in syscall_exit_to_user_mode
2026/03/28 22:01 linux-6.1.y 1989cd3d56e2 b5ceaad2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/03/28 08:06 linux-6.1.y 1989cd3d56e2 356bdfc9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/03/27 12:21 linux-6.1.y 1989cd3d56e2 766b6434 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/03/25 18:03 linux-6.1.y 1989cd3d56e2 8ee77f7d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/03/25 00:37 linux-6.1.y f2ddafa93a25 74e70d19 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/03/20 05:47 linux-6.1.y f2ddafa93a25 2f245add .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/03/01 23:41 linux-6.1.y 779f9571ac3e 43249bac .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/02/25 15:03 linux-6.1.y 779f9571ac3e 94a9671e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/02/23 05:27 linux-6.1.y 779f9571ac3e 6e7b5511 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/02/20 23:50 linux-6.1.y 779f9571ac3e 6e7b5511 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/02/20 00:48 linux-6.1.y 779f9571ac3e c8d8c52d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/02/19 12:28 linux-6.1.y 8ce36b2849ef 746545b8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf INFO: rcu detected stall in syscall_exit_to_user_mode
2026/02/18 02:01 linux-6.1.y 8ce36b2849ef 06ec4f7b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/02/17 18:58 linux-6.1.y 8ce36b2849ef 06ec4f7b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/02/13 08:31 linux-6.1.y 8ce36b2849ef 6a673c50 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/02/12 11:42 linux-6.1.y 8ce36b2849ef 76a109e2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/02/10 06:49 linux-6.1.y 0182cb5b74ee 4ab09a02 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/02/08 01:52 linux-6.1.y 0182cb5b74ee 4c131dc4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/02/02 16:23 linux-6.1.y cd9b81672742 018ebef2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/01/28 04:47 linux-6.1.y cd9b81672742 3029c699 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/01/27 17:24 linux-6.1.y cd9b81672742 9a514c2f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2026/01/26 21:41 linux-6.1.y cd9b81672742 a4c52dd6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
2023/04/07 08:31 linux-6.1.y 543aff194ab6 00ce4c67 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in syscall_exit_to_user_mode
* Struck through repros no longer work on HEAD.