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panic: Sentry detected stuck tasks (24)

Status: fixed on 2023/10/19 08:45
Fix commit: 1407fdf120ab Fix concurrent pivot_root bug.
First crash: 907d, last: 901d
▶ ▼ Similar bugs (31)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
gvisor panic: Sentry detected stuck tasks (16) 2 5 1398d 1471d 14/26 fixed on 2022/06/10 10:13
gvisor panic: Sentry detected stuck tasks (9) 2 9 1866d 1867d 14/26 fixed on 2021/02/26 03:02
gvisor panic: Sentry detected stuck tasks (14) 2 20 1587d 1633d 14/26 fixed on 2021/12/02 12:02
gvisor panic: Sentry detected stuck tasks (17) 2 C 822 1054d 1319d 26/26 fixed on 2023/05/19 14:28
gvisor panic: Sentry detected stuck tasks (12) 2 2 1664d 1664d 14/26 fixed on 2021/09/17 01:50
gvisor panic: Sentry detected stuck tasks (20) 2 C 895 963d 965d 26/26 fixed on 2023/08/19 00:55
gvisor panic: Sentry detected stuck tasks 2 C 506 2012d 2032d 0/26 fixed on 2020/10/03 12:41
gvisor panic: Sentry detected stuck tasks (6) 2 syz 714 1901d 1952d 14/26 fixed on 2021/01/22 19:49
gvisor panic: Sentry detected stuck tasks (7) 2 syz 2567 1869d 1900d 14/26 fixed on 2021/02/23 13:36
gvisor panic: Sentry detected stuck tasks (4) 2 C 5 1966d 1967d 0/26 fixed on 2020/11/18 07:03
gvisor panic: Sentry detected stuck tasks (22) 2 5 913d 914d 26/26 fixed on 2023/10/07 05:04
gvisor panic: Sentry detected stuck tasks (8) 2 C 64 1867d 1869d 14/26 fixed on 2021/02/25 13:46
gvisor panic: Sentry detected stuck tasks (13) 2 1 1663d 1663d 14/26 fixed on 2021/09/27 21:02
gvisor panic: Sentry detected stuck tasks (10) 2 C 264 1814d 1866d 14/26 fixed on 2021/04/20 00:15
gvisor panic: Sentry detected stuck tasks (26) 2 C 17 482d 483d 26/26 fixed on 2024/12/11 10:55
gvisor panic: Sentry detected stuck tasks (11) 2 C 31 1679d 1807d 14/26 fixed on 2021/09/03 10:11
gvisor panic: Sentry detected stuck tasks (3) 2 C 180 1967d 1971d 0/26 fixed on 2020/11/17 10:52
gvisor panic: Sentry detected stuck tasks (31) 2 3 202d 243d 26/26 fixed on 2025/09/19 06:07
gvisor panic: Sentry detected stuck tasks (28) 2 C 11282 347d 451d 26/26 fixed on 2025/04/24 21:44
gvisor panic: Sentry detected stuck tasks (21) 2 64 914d 962d 26/26 fixed on 2023/10/05 23:05
gvisor panic: Sentry detected stuck tasks (2) 2 C 951 1971d 2012d 0/26 fixed on 2020/11/13 09:22
gvisor panic: Sentry detected stuck tasks (5) 2 syz 83 1953d 1966d 0/26 fixed on 2020/12/01 11:18
gvisor panic: Sentry detected stuck tasks (33) 2 C 13 140d 141d 26/26 fixed on 2025/11/19 02:01
gvisor panic: Sentry detected stuck tasks (27) 2 C 14 459d 479d 26/26 fixed on 2025/01/07 21:12
gvisor panic: Sentry detected stuck tasks (32) 2 5 148d 187d 26/26 fixed on 2025/11/12 21:14
gvisor panic: Sentry detected stuck tasks (15) 2 C 2582 1507d 1584d 14/26 fixed on 2022/02/25 14:00
gvisor panic: Sentry detected stuck tasks (34) 2 2 83d 89d 26/26 fixed on 2026/01/14 10:50
gvisor panic: Sentry detected stuck tasks (25) 2 C 78 484d 513d 26/26 fixed on 2024/12/09 18:01
gvisor panic: Sentry detected stuck tasks (29) 2 C 51 343d 347d 26/26 fixed on 2025/04/30 13:05
gvisor panic: Sentry detected stuck tasks (23) 2 C 23 908d 913d 26/26 fixed on 2023/10/12 20:28
gvisor panic: Sentry detected stuck tasks (18) 2 C 625 995d 1054d 26/26 fixed on 2023/07/19 00:35

Sample crash report:
panic: Sentry detected 1 stuck task(s):
	Task tid: 16645 (goroutine 90086), entered RunSys state 3m18.05s 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 137 [running]:
panic({0x2973e0?, 0xc000538ca0?})
	GOROOT/src/runtime/panic.go:1017 +0x3ac fp=0xc0006ddb88 sp=0xc0006ddad8 pc=0x129ebec
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).doAction(0xc00038a380, 0x1, 0x1, 0xc0006ddd28)
	pkg/sentry/watchdog/watchdog.go:379 +0x474 fp=0xc0006ddc98 sp=0xc0006ddb88 pc=0x1e44f14
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).report(0xc00038a380, 0xc000bcb950, 0x0?, {0x1?})
	pkg/sentry/watchdog/watchdog.go:338 +0x326 fp=0xc0006dddf0 sp=0xc0006ddc98 pc=0x1e449a6
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).runTurn(0xc00038a380)
	pkg/sentry/watchdog/watchdog.go:320 +0x7ab fp=0xc0006ddf30 sp=0xc0006dddf0 pc=0x1e444cb
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).loop(0xc00038a380)
	pkg/sentry/watchdog/watchdog.go:255 +0x3b fp=0xc0006ddfc0 sp=0xc0006ddf30 pc=0x1e43bfb
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).Start.func2()
	pkg/sentry/watchdog/watchdog.go:206 +0x34 fp=0xc0006ddfe0 sp=0xc0006ddfc0 pc=0x1e43614
runtime.goexit()
	src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0006ddfe8 sp=0xc0006ddfe0 pc=0x12d7c01
created by gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).Start in goroutine 1
	pkg/sentry/watchdog/watchdog.go:206 +0x3cb

Crashes (13):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/10/17 04:49 gvisor 289dc7ce1d71 342b9c55 .config console log report syz C ci-gvisor-ptrace-3-race panic: Sentry detected stuck tasks
2023/10/19 05:14 gvisor e77deec46296 342b9c55 .config console log report info ci-gvisor-ptrace-1-race-cover panic: Sentry detected stuck tasks
2023/10/19 01:23 gvisor e77deec46296 342b9c55 .config console log report info ci-gvisor-ptrace-1-race-cover panic: Sentry detected stuck tasks
2023/10/18 21:48 gvisor e77deec46296 342b9c55 .config console log report info ci-gvisor-ptrace-1-race-cover panic: Sentry detected stuck tasks
2023/10/18 10:02 gvisor d6e83e2802f9 342b9c55 .config console log report info ci-gvisor-ptrace-1-race-cover panic: Sentry detected stuck tasks
2023/10/18 10:02 gvisor d6e83e2802f9 342b9c55 .config console log report info ci-gvisor-ptrace-1-race-cover panic: Sentry detected stuck tasks
2023/10/18 00:02 gvisor 669edba5d9f4 342b9c55 .config console log report info ci-gvisor-ptrace-1-race-cover panic: Sentry detected stuck tasks
2023/10/17 08:13 gvisor e69b01c3a8f3 342b9c55 .config console log report info ci-gvisor-ptrace-1-race-cover panic: Sentry detected stuck tasks
2023/10/16 21:40 gvisor 289dc7ce1d71 342b9c55 .config console log report info ci-gvisor-ptrace-3-race panic: Sentry detected stuck tasks
2023/10/15 16:11 gvisor febb0656f347 f757a323 .config console log report info ci-gvisor-ptrace-1-race-cover panic: Sentry detected stuck tasks
2023/10/14 18:32 gvisor 2501d8282ddf f757a323 .config console log report info ci-gvisor-ptrace-1-race-cover panic: Sentry detected stuck tasks
2023/10/13 14:27 gvisor c134ec92830b 56b6c7c4 .config console log report info ci-gvisor-ptrace-1-race-cover panic: Sentry detected stuck tasks
2023/10/13 02:33 gvisor da90797f0cb3 6388bc36 .config console log report info ci-gvisor-ptrace-1-race-cover panic: Sentry detected stuck tasks
* Struck through repros no longer work on HEAD.