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kvm: panic: Sentry detected stuck tasks (15)

Status: fixed on 2023/08/19 00:49
Fix commit: 960b564a6840 Fix small mount propagation bug.
First crash: 469d, last: 466d
▶ ▼ Similar bugs (20)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
gvisor kvm: panic: Sentry detected stuck tasks (2) C 66 1165d 1328d 14/26 fixed on 2021/09/25 08:25
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 (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: 6 (goroutine 161), entered RunSys state 3m31.07s 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 30 [running]:
panic({0x125c780, 0xc00091ba70})
	GOROOT/src/runtime/panic.go:987 +0x3bb fp=0xc0005cdc90 sp=0xc0005cdbd0 pc=0x436b9b
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).doAction(0xc0005cddb8?, 0x14f043d?, 0x50?, 0xc0005cddb8)
	pkg/sentry/watchdog/watchdog.go:379 +0x3a5 fp=0xc0005cdd50 sp=0xc0005cdc90 pc=0xc0e525
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).report(0xc000136780, 0xc0006e05a0, 0x0?, {0x0?})
	pkg/sentry/watchdog/watchdog.go:338 +0x291 fp=0xc0005cde80 sp=0xc0005cdd50 pc=0xc0e091
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).runTurn(0xc000136780)
	pkg/sentry/watchdog/watchdog.go:320 +0x598 fp=0xc0005cdf58 sp=0xc0005cde80 pc=0xc0dcf8
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).loop(0xc000136780)
	pkg/sentry/watchdog/watchdog.go:255 +0x3d fp=0xc0005cdfc8 sp=0xc0005cdf58 pc=0xc0d69d
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).Start.func2()
	pkg/sentry/watchdog/watchdog.go:206 +0x26 fp=0xc0005cdfe0 sp=0xc0005cdfc8 pc=0xc0d186
runtime.goexit()
	src/runtime/asm_amd64.s:1598 +0x1 fp=0xc0005cdfe8 sp=0xc0005cdfe0 pc=0x46d641
created by gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).Start
	pkg/sentry/watchdog/watchdog.go:206 +0x1ef

Crashes (186):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/08/16 10:28 gvisor 9ca09375e4ba 39990d51 .config console log report syz C ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2023/08/16 09:05 gvisor 9ca09375e4ba 39990d51 console log report syz C ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2023/08/16 07:30 gvisor 9ca09375e4ba 39990d51 .config console log report syz C ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2023/08/16 06:34 gvisor 9ca09375e4ba 39990d51 console log report syz C ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2023/08/16 04:55 gvisor 9ca09375e4ba 39990d51 .config console log report syz C ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2023/08/16 02:53 gvisor 9ca09375e4ba 39990d51 console log report syz C ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2023/08/16 02:09 gvisor 9ca09375e4ba 39990d51 .config console log report syz C ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2023/08/15 22:18 gvisor 6a4a48e6db20 39990d51 .config console log report syz C ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2023/08/15 21:11 gvisor 6a4a48e6db20 39990d51 console log report syz C ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2023/08/15 19:44 gvisor 6a4a48e6db20 39990d51 .config console log report syz C ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2023/08/15 17:49 gvisor 6a4a48e6db20 39990d51 console log report syz C ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2023/08/15 16:29 gvisor 6a4a48e6db20 39990d51 .config console log report syz C ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2023/08/15 14:40 gvisor 6a4a48e6db20 39990d51 console log report syz C ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2023/08/18 06:57 gvisor dc0093bb24ff 74b106b6 console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2023/08/18 05:49 gvisor dc0093bb24ff 74b106b6 console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2023/08/18 04:47 gvisor dc0093bb24ff 74b106b6 console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2023/08/18 03:38 gvisor dc0093bb24ff 74b106b6 console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2023/08/18 02:25 gvisor dc0093bb24ff 74b106b6 console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2023/08/18 01:15 gvisor dc0093bb24ff 74b106b6 console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2023/08/18 01:09 gvisor dc0093bb24ff 74b106b6 console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2023/08/18 00:02 gvisor dc0093bb24ff 74b106b6 console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2023/08/17 22:15 gvisor dc0093bb24ff 74b106b6 console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2023/08/17 21:10 gvisor dc0093bb24ff 74b106b6 console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2023/08/17 19:11 gvisor dc0093bb24ff 74b106b6 console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2023/08/17 17:23 gvisor 8f0c59c3fa00 74b106b6 console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2023/08/17 16:16 gvisor 8f0c59c3fa00 74b106b6 console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2023/08/17 15:24 gvisor 8f0c59c3fa00 74b106b6 console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2023/08/17 14:11 gvisor 8f0c59c3fa00 74b106b6 console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2023/08/17 12:46 gvisor 8f0c59c3fa00 74b106b6 console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2023/08/17 11:36 gvisor 8f0c59c3fa00 74b106b6 console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2023/08/17 11:22 gvisor 8f0c59c3fa00 74b106b6 console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2023/08/17 10:12 gvisor 8f0c59c3fa00 74b106b6 console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2023/08/17 08:51 gvisor 8f0c59c3fa00 74b106b6 console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2023/08/17 07:31 gvisor 8f0c59c3fa00 74b106b6 console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2023/08/17 06:44 gvisor 8f0c59c3fa00 74b106b6 console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2023/08/17 05:42 gvisor 8f0c59c3fa00 74b106b6 console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2023/08/17 04:23 gvisor 8f0c59c3fa00 74b106b6 console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2023/08/17 03:11 gvisor 8f0c59c3fa00 74b106b6 console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2023/08/17 02:50 gvisor 8f0c59c3fa00 74b106b6 console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2023/08/17 00:07 gvisor 8f0c59c3fa00 7773e940 console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2023/08/16 22:53 gvisor 8f0c59c3fa00 7773e940 console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2023/08/16 20:42 gvisor 8f0c59c3fa00 7773e940 console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2023/08/16 19:36 gvisor 8f0c59c3fa00 7773e940 console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2023/08/16 19:11 gvisor 8f0c59c3fa00 7773e940 console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2023/08/16 17:33 gvisor 8f0c59c3fa00 7773e940 console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2023/08/16 16:27 gvisor 8f0c59c3fa00 7773e940 console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2023/08/16 15:10 gvisor 8f0c59c3fa00 7773e940 console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2023/08/16 13:41 gvisor 8f0c59c3fa00 7773e940 console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2023/08/16 09:01 gvisor 9ca09375e4ba 39990d51 console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2023/08/16 07:49 gvisor 9ca09375e4ba 39990d51 console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2023/08/16 06:07 gvisor 9ca09375e4ba 39990d51 console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2023/08/16 05:48 gvisor 9ca09375e4ba 39990d51 console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2023/08/16 05:16 gvisor 9ca09375e4ba 39990d51 console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2023/08/16 03:59 gvisor 9ca09375e4ba 39990d51 console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2023/08/16 03:52 gvisor 9ca09375e4ba 39990d51 console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2023/08/16 03:24 gvisor 9ca09375e4ba 39990d51 console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2023/08/16 03:18 gvisor 9ca09375e4ba 39990d51 console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
* Struck through repros no longer work on HEAD.