INFO: rcu detected stall in sys_rt_sigreturn

Status: upstream: reported C repro on 2024/04/01 14:20
Bug presence: origin:lts-only
Labels: missing-backport
[Documentation on labels]
Reported-by: syzbot+45c71f99506e933fd050@syzkaller.appspotmail.com
First crash: 862d, last: 11d
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

  
Fix bisection: failed (error log, bisect log)
  
▶ ▼ Bug presence (2)
Date Name Commit Repro Result
2025/05/29 linux-5.15.y (ToT) 98f47d0e9b8c C [report] INFO: rcu detected stall in syscall_exit_to_user_mode
2025/05/29 upstream (ToT) 90b83efa6701 C Didn't crash
▶ ▼ Similar bugs (3)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.6 INFO: rcu detected stall in sys_rt_sigreturn origin:lts-only 1 syz, C error 4 130d 362d 0/2 upstream: reported C repro on 2025/08/14 20:21
upstream INFO: rcu detected stall in sys_rt_sigreturn kernel 1 2 208d 240d 0/29 auto-obsoleted due to no activity on 2026/04/15 21:42
linux-6.1 INFO: rcu detected stall in sys_rt_sigreturn origin:lts-only 1 syz, C error 9 19d 329d 0/3 upstream: reported C repro on 2025/09/16 12:37
▶ ▼ Last patch testing requests (10)
Created Duration User Patch Repo Result
2026/07/11 23:32 48m retest repro linux-5.15.y report log
2026/07/11 23:32 17m retest repro linux-5.15.y report log
2026/07/11 23:32 17m retest repro linux-5.15.y report log
2026/07/11 23:32 19m retest repro linux-5.15.y report log
2026/07/11 23:32 17m retest repro linux-5.15.y report log
2026/03/20 07:57 11m retest repro linux-5.15.y report log
2026/03/20 07:57 12m retest repro linux-5.15.y report log
2026/03/20 07:57 11m retest repro linux-5.15.y report log
2026/03/20 07:57 13m retest repro linux-5.15.y report log
2026/03/20 07:57 12m retest repro linux-5.15.y report log
▶ ▼ Fix bisection attempts (6)
Created Duration User Patch Repo Result
2025/07/16 23:19 7h12m fix candidate upstream OK (1) job log
2025/04/22 05:15 1m fix candidate upstream error job log
2025/03/09 10:09 3m fix candidate upstream error job log
2024/11/19 08:24 1m fix candidate upstream error job log
2024/10/15 08:39 0m fix candidate upstream error job log
2024/05/02 14:56 52m bisect fix linux-5.15.y error job log

Sample crash report:
rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-...!: (10499 ticks this GP) idle=447/1/0x4000000000000000 softirq=7583/7583 fqs=7 
	(t=10501 jiffies g=9229 q=267)
rcu: rcu_preempt kthread starved for 10487 jiffies! g9229 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:28112 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: 4428 Comm: syz.2.19 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:_raw_spin_lock_irqsave+0x6/0x100 kernel/locking/spinlock.c:161
Code: 00 00 45 31 c9 ff 74 24 08 e8 a6 52 94 f7 48 83 c4 08 48 89 df 5b e9 e9 a5 95 f7 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 <41> 56 41 54 53 48 83 e4 e0 48 83 ec 60 48 89 fb 65 48 8b 04 25 28
RSP: 0018:ffffc90003f6f9f0 EFLAGS: 00000002
RAX: 000ffff8880790ca RBX: ffff8880790ca0b0 RCX: 0000000000009a20
RDX: 0000000000000000 RSI: ffffffff8a2cbea0 RDI: ffffffff964f0268
RBP: ffffc90003f6f9f8 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff520007edf30 R12: ffffffff964f0260
R13: ffff8880790ca0e0 R14: ffffffff8a2cbea0 R15: dffffc0000000000
FS:  0000555560f64500(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000058 CR3: 0000000058d61000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 debug_object_activate+0x63/0x4e0 lib/debugobjects.c:694
 debug_hrtimer_activate kernel/time/hrtimer.c:410 [inline]
 debug_activate kernel/time/hrtimer.c:465 [inline]
 enqueue_hrtimer+0x30/0x370 kernel/time/hrtimer.c:1069
 __hrtimer_start_range_ns kernel/time/hrtimer.c:1244 [inline]
 hrtimer_start_range_ns+0xaba/0xc40 kernel/time/hrtimer.c:1286
 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:2782
 arch_do_signal_or_restart+0xe6/0x12a0 arch/x86/kernel/signal.c:867
 handle_signal_work kernel/entry/common.c:154 [inline]
 exit_to_user_mode_loop+0x9e/0x130 kernel/entry/common.c:178
 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:307
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f70c84e6e50
Code: f2 72 8c e9 0e ff ff ff 66 90 4c 89 e6 48 89 df e8 15 bb fe ff 48 8b 43 40 44 01 63 30 4c 29 e0 83 e5 02 48 89 43 40 c6 00 00 <0f> 84 ea fd ff ff 48 8b 43 40 c6 40 01 00 49 83 fc 03 0f 85 d8 fd
RSP: 002b:00007ffeb37bc630 EFLAGS: 00000202
RAX: 0000001b31363fc0 RBX: 00007f70c93cc720 RCX: 0000000000000000
RDX: 0000001b3132422c RSI: 0000000000000003 RDI: 00007f70c93cc720
RBP: 0000000000000002 R08: 0000000000000000 R09: 00007f70c889d038
R10: 0000000000000003 R11: 0000000000000004 R12: 0000000000000003
R13: 000000000000003c R14: 0000000000000000 R15: 0000000000000004
 </TASK>
NMI backtrace for cpu 1
CPU: 1 PID: 4427 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
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:lock_acquire+0x208/0x400 kernel/locking/lockdep.c:5627
Code: f7 84 24 80 00 00 00 00 02 00 00 43 c6 44 3d 04 f8 0f 85 f1 00 00 00 41 f7 c6 00 02 00 00 74 01 fb 48 c7 44 24 60 0e 36 e0 45 <4b> c7 44 3d 00 00 00 00 00 43 c7 44 3d 08 00 00 00 00 65 48 8b 04
RSP: 0018:ffffc90003f2fa60 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 0000000000000000 RCX: 02a914c920737300
RDX: 0000000000000000 RSI: ffffffff8a2b3e80 RDI: ffffffff8a7a2a40
RBP: ffffc90003f2fb80 R08: dffffc0000000000 R09: 1ffffffff203d21e
R10: dffffc0000000000 R11: fffffbfff203d21f R12: ffff88801f2d6a28
R13: 1ffff920007e5f58 R14: 0000000000000246 R15: dffffc0000000000
 __might_fault+0xb3/0x110 mm/memory.c:5357
 _copy_from_user+0x29/0x170 lib/usercopy.c:14
 copy_from_user include/linux/uaccess.h:192 [inline]
 restore_altstack+0xa8/0x380 kernel/signal.c:4253
 __ia32_sys_rt_sigreturn+0x624/0x750 arch/x86/kernel/signal.c:677
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f2519f9ab37
Code: 83 c4 08 c3 0f 1f 80 00 00 00 00 48 83 ec 08 48 89 f2 48 63 ff 4c 89 d6 41 51 31 c0 4d 89 c1 49 89 c8 4c 89 d9 e8 09 63 14 00 <5a> 59 48 83 c4 08 c3 66 90 66 0f ef c0 4c 63 c9 49 89 d0 0f 11 07
RSP: 002b:00007ffc46cbb4c0 EFLAGS: 00000217
RAX: 0000000000000000 RBX: 00007f251a368fa0 RCX: 00007f251a0e0e59
RDX: 0000200000000040 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 00007f251a176e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f251a368fac R14: 00007f251a368fa0 R15: 00007f251a368fa0
 </TASK>
sched: RT throttling activated

Crashes (190):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/07/14 15:18 linux-5.15.y c86c4726e7f0 2130f682 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2026/06/14 00:33 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 sys_rt_sigreturn
2026/06/11 11:58 linux-5.15.y dc027a595035 b754d2d8 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2026/04/19 09:11 linux-5.15.y b9d57c40a767 303e2802 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2026/02/16 04:57 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 sys_rt_sigreturn
2026/02/14 15:23 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 sys_rt_sigreturn
2026/02/12 11:39 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 sys_rt_sigreturn
2026/02/03 20:54 linux-5.15.y 9eec9a14ee10 6df4c87a .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2025/12/21 16:56 linux-5.15.y 68efe5a6c16a d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2025/12/20 04:01 linux-5.15.y 68efe5a6c16a d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2025/12/05 10:25 linux-5.15.y cc5ec8769306 d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2025/12/04 16:09 linux-5.15.y cc5ec8769306 d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2025/11/07 18:29 linux-5.15.y cc5ec8769306 4e1406b4 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2025/10/25 02:13 linux-5.15.y ac56c046adf4 c0460fcd .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2025/10/18 18:31 linux-5.15.y 29e53a5b1c4f 1c8c8cd8 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2025/09/12 21:54 linux-5.15.y 43bb85222e53 e2beed91 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2025/06/22 04:33 linux-5.15.y 1c700860e8bc d6cdfb8a .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2025/06/21 19:59 linux-5.15.y 1c700860e8bc d6cdfb8a .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2025/05/27 06:43 linux-5.15.y 98f47d0e9b8c 874a1386 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2025/08/04 15:26 linux-5.15.y c79648372d02 7368264b .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 INFO: rcu detected stall in sys_rt_sigreturn
2025/08/03 03:22 linux-5.15.y c79648372d02 7368264b .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 INFO: rcu detected stall in sys_rt_sigreturn
2025/08/01 04:00 linux-5.15.y c79648372d02 0c075d67 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 INFO: rcu detected stall in sys_rt_sigreturn
2025/07/31 02:54 linux-5.15.y c79648372d02 f8f2b4da .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 INFO: rcu detected stall in sys_rt_sigreturn
2025/07/09 04:26 linux-5.15.y 3dea0e7f549e 4d9fdfa4 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 INFO: rcu detected stall in sys_rt_sigreturn
2025/07/06 13:22 linux-5.15.y 3dea0e7f549e 4f67c4ae .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 INFO: rcu detected stall in sys_rt_sigreturn
2025/07/03 03:16 linux-5.15.y 3dea0e7f549e bc80e4f0 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 INFO: rcu detected stall in sys_rt_sigreturn
2025/06/29 18:17 linux-5.15.y 3dea0e7f549e fc9d8ee5 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 INFO: rcu detected stall in sys_rt_sigreturn
2025/06/29 16:04 linux-5.15.y 3dea0e7f549e fc9d8ee5 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 INFO: rcu detected stall in sys_rt_sigreturn
2025/06/28 20:07 linux-5.15.y 3dea0e7f549e fc9d8ee5 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 INFO: rcu detected stall in sys_rt_sigreturn
2025/06/20 07:03 linux-5.15.y 1c700860e8bc ed3e87f7 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 INFO: rcu detected stall in sys_rt_sigreturn
2025/06/17 14:28 linux-5.15.y 1c700860e8bc cfebc887 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 INFO: rcu detected stall in sys_rt_sigreturn
2025/06/08 02:50 linux-5.15.y 1c700860e8bc 4826c28e .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 INFO: rcu detected stall in sys_rt_sigreturn
2025/06/03 21:12 linux-5.15.y 98f47d0e9b8c a30356b7 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 INFO: rcu detected stall in sys_rt_sigreturn
2025/02/27 18:10 linux-5.15.y c16c81c81336 6a8fcbc4 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 INFO: rcu detected stall in sys_rt_sigreturn
2025/01/12 14:15 linux-5.15.y 4735586da88e 6dbc6a9b .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 INFO: rcu detected stall in sys_rt_sigreturn
2024/12/13 04:52 linux-5.15.y 0a51d2d4527b 530e80f8 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 INFO: rcu detected stall in sys_rt_sigreturn
2024/12/07 18:32 linux-5.15.y 0a51d2d4527b 9ac0fdc6 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 INFO: rcu detected stall in sys_rt_sigreturn
2024/09/19 12:16 linux-5.15.y 3a5928702e71 c673ca06 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 INFO: rcu detected stall in sys_rt_sigreturn
2024/04/01 14:20 linux-5.15.y 9465fef4ae35 6baf5069 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 INFO: rcu detected stall in sys_rt_sigreturn
2026/06/16 05:03 linux-5.15.y dc027a595035 50bb0618 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2026/05/01 15:31 linux-5.15.y ef251c45f1cd 753c55b9 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2026/04/09 23:50 linux-5.15.y 91d48252ad4b 38c8e246 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2026/01/25 17:24 linux-5.15.y 9eec9a14ee10 40acda8a .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2025/12/10 14:03 linux-5.15.y 68efe5a6c16a d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2025/09/12 19:44 linux-5.15.y 43bb85222e53 e2beed91 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2025/08/21 11:04 linux-5.15.y c79648372d02 0b9605c8 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2025/08/13 12:35 linux-5.15.y c79648372d02 22ec1469 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2025/08/11 12:45 linux-5.15.y c79648372d02 32a0e5ed .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2025/07/18 19:20 linux-5.15.y c79648372d02 88248e14 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2025/06/22 17:52 linux-5.15.y 1c700860e8bc d6cdfb8a .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2025/06/07 20:27 linux-5.15.y 1c700860e8bc 4826c28e .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2025/06/25 21:37 linux-5.15.y 1c700860e8bc 26d77996 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 INFO: rcu detected stall in sys_rt_sigreturn
2025/06/22 01:44 linux-5.15.y 1c700860e8bc d6cdfb8a .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 INFO: rcu detected stall in sys_rt_sigreturn
2025/06/09 09:04 linux-5.15.y 1c700860e8bc 4826c28e .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 INFO: rcu detected stall in sys_rt_sigreturn
2025/03/15 10:16 linux-5.15.y 0c935c049b5c e2826670 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 INFO: rcu detected stall in sys_rt_sigreturn
2024/10/21 00:37 linux-5.15.y 584a40a22cb9 cd6fc0a3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 INFO: rcu detected stall in sys_rt_sigreturn
2024/10/20 10:57 linux-5.15.y 584a40a22cb9 cd6fc0a3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 INFO: rcu detected stall in sys_rt_sigreturn
2024/09/19 02:56 linux-5.15.y 3a5928702e71 c673ca06 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 INFO: rcu detected stall in sys_rt_sigreturn
2026/08/01 06:03 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 sys_rt_sigreturn
2026/07/25 09:22 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 sys_rt_sigreturn
2026/07/19 14:54 linux-5.15.y c86c4726e7f0 72524a66 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2026/06/12 00:35 linux-5.15.y dc027a595035 d93a6ab6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2026/06/08 23:06 linux-5.15.y dc027a595035 656e94c6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2026/06/05 04:21 linux-5.15.y dc027a595035 197909be .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2026/06/02 14:42 linux-5.15.y dc027a595035 62fe1528 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2026/05/29 05:00 linux-5.15.y 241d66fa280c 4624854e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2026/05/27 00:43 linux-5.15.y 241d66fa280c 2b01f00e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2026/05/21 22:51 linux-5.15.y 93741761e5e3 e195359d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2026/05/15 05:57 linux-5.15.y de8dfb3f0278 6ccb967e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2026/04/18 13:28 linux-5.15.y b9d57c40a767 303e2802 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2026/04/17 12:04 linux-5.15.y 91d48252ad4b de0a551d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2026/04/11 11:27 linux-5.15.y 91d48252ad4b 38c8e246 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2026/04/07 20:51 linux-5.15.y 91d48252ad4b 628666c6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2026/04/06 23:08 linux-5.15.y 91d48252ad4b 4440e7c2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2026/04/02 04:58 linux-5.15.y 91d48252ad4b 0cb124d5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2026/03/30 15:45 linux-5.15.y 91d48252ad4b dcaebc52 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2026/03/05 18:02 linux-5.15.y 91d48252ad4b d20b04c8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2026/02/25 15:12 linux-5.15.y 3330a8d33e08 94a9671e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2026/02/24 04:06 linux-5.15.y 3330a8d33e08 41d2fa6a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2026/02/23 16:56 linux-5.15.y 3330a8d33e08 6beca497 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2026/02/20 02:41 linux-5.15.y 3330a8d33e08 c8d8c52d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2026/02/18 10:48 linux-5.15.y e45d5d41c134 39751c21 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2026/02/14 22:17 linux-5.15.y e45d5d41c134 1e62d198 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2026/02/14 11:32 linux-5.15.y e45d5d41c134 1e62d198 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2026/02/12 22:07 linux-5.15.y e45d5d41c134 504cb1bf .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2026/02/11 23:19 linux-5.15.y e45d5d41c134 75707236 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2026/02/10 16:55 linux-5.15.y 7b232985052f 91d776d3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2026/02/08 03:23 linux-5.15.y 7b232985052f 4c131dc4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2026/02/04 07:08 linux-5.15.y 9eec9a14ee10 42b01fab .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2026/01/31 18:44 linux-5.15.y 9eec9a14ee10 afc0c4d4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2026/01/19 08:52 linux-5.15.y 68efe5a6c16a 20d37d28 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2026/01/18 18:43 linux-5.15.y 68efe5a6c16a 20d37d28 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2026/01/18 04:44 linux-5.15.y 68efe5a6c16a 20d37d28 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2026/01/15 03:48 linux-5.15.y 68efe5a6c16a d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2026/01/09 00:23 linux-5.15.y 68efe5a6c16a d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2026/01/07 07:25 linux-5.15.y 68efe5a6c16a d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2026/01/03 18:46 linux-5.15.y 68efe5a6c16a d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2026/01/01 09:27 linux-5.15.y 68efe5a6c16a d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2025/12/30 17:00 linux-5.15.y 68efe5a6c16a d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2025/12/27 02:38 linux-5.15.y 68efe5a6c16a d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2025/12/21 15:15 linux-5.15.y 68efe5a6c16a d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2025/12/12 21:20 linux-5.15.y 68efe5a6c16a d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2025/12/10 12:34 linux-5.15.y 68efe5a6c16a d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2025/12/07 10:32 linux-5.15.y 68efe5a6c16a d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in sys_rt_sigreturn
2025/08/16 14:57 linux-5.15.y c79648372d02 1804e95e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 INFO: rcu detected stall in sys_rt_sigreturn
* Struck through repros no longer work on HEAD.