syzbot

 sign-in | mailing list | source | docs
🐞 Open [41]
🐞 Fixed [469]
🐞 Invalid [348]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
💬 Send us feedback

kvm: panic: Sentry detected stuck tasks (2)

Status: fixed on 2021/09/25 08:25
Fix commit: 1947c873423c Fix deadlock in /proc/[pid]/fd/[num]
First crash: 1328d, last: 1165d
▶ ▼ Similar bugs (20)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
gvisor kvm: panic: Sentry detected stuck tasks (7) 1 919d 912d 14/26 fixed on 2022/06/09 21:04
gvisor kvm: panic: Sentry detected stuck tasks (19) 3 378d 377d 26/26 fixed on 2023/11/15 20:33
gvisor kvm: panic: Sentry detected stuck tasks (23) 1 252d 252d 0/26 auto-obsoleted due to no activity on 2024/06/25 13:36
gvisor kvm: panic: Sentry detected stuck tasks C 152 1343d 1358d 14/26 fixed on 2021/03/24 13:21
gvisor kvm: panic: Sentry detected stuck tasks (6) 15 1001d 1012d 14/26 fixed on 2022/03/01 23:36
gvisor kvm: panic: Sentry detected stuck tasks (18) C 3 390d 395d 26/26 fixed on 2023/11/03 12:12
gvisor kvm: panic: Sentry detected stuck tasks (4) C 627 1082d 1109d 14/26 fixed on 2021/12/10 13:30
gvisor kvm: panic: Sentry detected stuck tasks (10) 3 742d 760d 14/26 fixed on 2022/11/30 11:09
gvisor kvm: panic: Sentry detected stuck tasks (22) C 8 357d 367d 26/26 fixed on 2023/12/12 09:56
gvisor kvm: panic: Sentry detected stuck tasks (8) 1 838d 838d 0/26 closed as invalid on 2022/08/11 16:05
gvisor kvm: panic: Sentry detected stuck tasks (11) 1 724d 724d 0/26 closed as invalid on 2022/12/05 18:51
gvisor kvm: panic: Sentry detected stuck tasks (21) C 2 372d 374d 26/26 fixed on 2023/11/21 23:47
gvisor kvm: panic: Sentry detected stuck tasks (15) C 186 466d 469d 26/26 fixed on 2023/08/19 00:49
gvisor kvm: panic: Sentry detected stuck tasks (20) C 2 376d 376d 26/26 fixed on 2023/11/17 11:27
gvisor kvm: panic: Sentry detected stuck tasks (5) C 65 1013d 1074d 14/26 fixed on 2022/02/18 08:00
gvisor kvm: panic: Sentry detected stuck tasks (9) 2 808d 810d 14/26 fixed on 2022/09/20 07:30
gvisor kvm: panic: Sentry detected stuck tasks (3) 1 1127d 1127d 0/26 closed as invalid on 2021/10/27 19:47
gvisor kvm: panic: Sentry detected stuck tasks (12) 193 535d 698d 26/26 fixed on 2023/06/10 02:45
gvisor kvm: panic: Sentry detected stuck tasks (14) syz 4 481d 486d 26/26 fixed on 2023/08/08 01:03
gvisor kvm: panic: Sentry detected stuck tasks (17) 14 415d 445d 26/26 fixed on 2023/10/09 12:22

Sample crash report:
panic: Sentry detected 1 stuck task(s):
	Task tid: 22 (goroutine 3197), entered RunSys state 3m35.85s ago.
Search for 'goroutine <id>' in the stack dump to find the offending goroutine(s)
Stack for running G's are skipped while panicking.

goroutine 28 [running]:
panic(0x1159e00, 0xc0007d0050)
	GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc000673c58 sp=0xc000673b90 pc=0x437c65
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).doAction(0xc0000e4280, 0x1, 0x1, 0xc000673d98)
	pkg/sentry/watchdog/watchdog.go:441 +0x5df fp=0xc000673d28 sp=0xc000673c58 pc=0xca067f
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).report(0xc0000e4280, 0xc00055c450, 0x10d01, 0xd17587d100)
	pkg/sentry/watchdog/watchdog.go:389 +0x355 fp=0xc000673e60 sp=0xc000673d28 pc=0xc9ffd5
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).runTurn(0xc0000e4280)
	pkg/sentry/watchdog/watchdog.go:367 +0x5ea fp=0xc000673f58 sp=0xc000673e60 pc=0xc9fbca
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).loop(0xc0000e4280)
	pkg/sentry/watchdog/watchdog.go:287 +0x48 fp=0xc000673fd8 sp=0xc000673f58 pc=0xc9f508
runtime.goexit()
	src/runtime/asm_amd64.s:1371 +0x1 fp=0xc000673fe0 sp=0xc000673fd8 pc=0x472821
created by gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).Start
	pkg/sentry/watchdog/watchdog.go:226 +0x1da

Crashes (66):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2021/08/14 17:25 gvisor 14d6cb4436f1 2489ab88 .config console log report syz C ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/08/14 15:16 gvisor 14d6cb4436f1 2489ab88 .config console log report syz C ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2021/04/25 04:01 gvisor bf6456068118 17f0b706 .config console log report syz C ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2021/04/08 12:03 gvisor 8161ed4110e2 6a81331a .config console log report syz C ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2021/09/18 01:16 gvisor b28bd31bb6d9 70b76c1d .config console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2021/09/17 15:23 gvisor b28bd31bb6d9 70b76c1d .config console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2021/09/17 10:34 gvisor 51b96514cd93 5b989942 .config console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2021/09/16 23:58 gvisor 477d7e5e1037 7612dc77 .config console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2021/09/16 20:29 gvisor 477d7e5e1037 7612dc77 .config console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2021/09/11 11:36 gvisor 28853599c45d 3ce60af8 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/09/09 16:06 gvisor e90ecdb48885 e2776ee4 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/09/09 02:27 gvisor e90ecdb48885 e2776ee4 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/09/06 20:16 gvisor 775a321120f0 6ca60148 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/09/05 18:22 gvisor 775a321120f0 d236a457 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/09/05 13:49 gvisor 775a321120f0 d236a457 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/09/03 05:59 gvisor bd75e52ad87d f62a5829 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/08/29 00:44 gvisor f7281c6cb9bb be2c130d .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/08/28 10:48 gvisor f7281c6cb9bb d5a29e53 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/08/23 15:37 gvisor 0a15a216daab b599f2fc .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/08/18 21:05 gvisor 216b740663bd a2fe1cb5 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/08/14 13:15 gvisor 14d6cb4436f1 2489ab88 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/08/13 12:17 gvisor 14d6cb4436f1 3fd2ea69 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/08/05 20:02 gvisor 43e3d29b9700 d2d6e680 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/08/04 03:06 gvisor ceab3327c5bf 6c236867 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/08/03 01:34 gvisor 4f6c1f30937e 6c236867 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/08/02 20:39 gvisor 4f6c1f30937e 6c236867 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/08/01 18:39 gvisor 979d6e7d77b1 6c236867 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/08/01 16:56 gvisor 979d6e7d77b1 6c236867 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/08/01 16:23 gvisor 979d6e7d77b1 6c236867 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/07/31 09:19 gvisor 62ea5c0a2212 6c236867 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/07/30 22:07 gvisor 62ea5c0a2212 6c236867 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/07/29 16:33 gvisor 095b0d834853 8a799410 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/07/27 17:08 gvisor 9a96e00f0fb0 17d6ab15 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/07/25 22:58 gvisor 9ba8c40a3a3c 4d1b57d4 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/07/22 02:25 gvisor f1f746dddcc0 29c3f20f .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/07/21 16:42 gvisor a4d743db59bc 29c3f20f .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/07/20 20:53 gvisor 7ced03b38319 1b201b48 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/07/20 20:12 gvisor 7ced03b38319 1b201b48 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/07/20 19:41 gvisor 7ced03b38319 1b201b48 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/07/20 11:14 gvisor 5ad30cac2ede bc48c9ab .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/07/19 22:23 gvisor 5ad30cac2ede bc48c9ab .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/07/18 12:43 gvisor 5ad30cac2ede f115ae98 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/07/18 12:32 gvisor 5ad30cac2ede f115ae98 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/07/18 04:50 gvisor 5ad30cac2ede f115ae98 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/07/18 01:23 gvisor 5ad30cac2ede f115ae98 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/07/17 22:32 gvisor 5ad30cac2ede f115ae98 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/07/17 20:16 gvisor 5ad30cac2ede f115ae98 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/07/17 04:27 gvisor 5ad30cac2ede f115ae98 .config console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2021/07/15 15:06 gvisor 5c20fd3bbd30 a44e4957 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/07/15 14:57 gvisor 5c20fd3bbd30 a44e4957 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/07/15 12:16 gvisor d02be7858ac5 b9a2f64e .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/07/15 11:48 gvisor d02be7858ac5 b9a2f64e .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/07/14 01:42 gvisor d4dce953b7ac 484502bd .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/07/14 00:33 gvisor d4dce953b7ac 484502bd .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/07/07 10:40 gvisor add8bca5ba53 4846d5c1 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/07/07 10:30 gvisor add8bca5ba53 4846d5c1 .config console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2021/07/06 12:11 gvisor add8bca5ba53 6c4484eb .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/07/01 13:20 gvisor 07ffecef83bd 658ebc66 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/06/16 15:17 gvisor 488ba4176ed3 c06f97ad .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/06/15 15:55 gvisor 3a8ba8ed9d22 8022d7e3 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/06/06 20:24 gvisor 993fff4e1c6d 500c2339 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/05/14 06:38 gvisor 7ea2dcbaece0 8bdd5343 .config console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2021/05/03 06:36 gvisor 7cafac9f42a8 77e2b668 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/04/26 06:32 gvisor bf6456068118 2a82f1b3 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/04/22 01:52 gvisor e2b5de65cedd 2bc8999a .config console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2021/04/08 08:30 gvisor 8161ed4110e2 6a81331a .config console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
* Struck through repros no longer work on HEAD.