panic: Sentry detected stuck tasks (23)

Status: fixed on 2023/10/12 20:28
Fix commit: a8bc2e146626 Fix group id cleanup and tidy up some mount methods.
First crash: 1075d, last: 1070d
▶ ▼ Similar bugs (32)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
gvisor panic: Sentry detected stuck tasks (16) 2 5 1560d 1633d 14/26 fixed on 2022/06/10 10:13
gvisor panic: Sentry detected stuck tasks (9) 2 9 2029d 2029d 14/26 fixed on 2021/02/26 03:02
gvisor panic: Sentry detected stuck tasks (14) 2 20 1750d 1795d 14/26 fixed on 2021/12/02 12:02
gvisor panic: Sentry detected stuck tasks (17) 2 syz, C 822 1216d 1482d 26/26 fixed on 2023/05/19 14:28
gvisor panic: Sentry detected stuck tasks (12) 2 2 1826d 1826d 14/26 fixed on 2021/09/17 01:50
gvisor panic: Sentry detected stuck tasks (20) 2 syz, C 895 1125d 1128d 26/26 fixed on 2023/08/19 00:55
gvisor panic: Sentry detected stuck tasks 2 syz, C 506 2174d 2194d 0/26 fixed on 2020/10/03 12:41
gvisor panic: Sentry detected stuck tasks (6) 2 syz 714 2063d 2115d 14/26 fixed on 2021/01/22 19:49
gvisor panic: Sentry detected stuck tasks (7) 2 syz 2567 2031d 2063d 14/26 fixed on 2021/02/23 13:36
gvisor panic: Sentry detected stuck tasks (4) 2 syz, C 5 2129d 2129d 0/26 fixed on 2020/11/18 07:03
gvisor panic: Sentry detected stuck tasks (22) 2 5 1076d 1076d 26/26 fixed on 2023/10/07 05:04
gvisor panic: Sentry detected stuck tasks (8) 2 syz, C 64 2029d 2031d 14/26 fixed on 2021/02/25 13:46
gvisor panic: Sentry detected stuck tasks (13) 2 1 1825d 1825d 14/26 fixed on 2021/09/27 21:02
gvisor panic: Sentry detected stuck tasks (10) 2 syz, C 264 1976d 2028d 14/26 fixed on 2021/04/20 00:15
gvisor panic: Sentry detected stuck tasks (26) 2 syz, C 17 645d 646d 26/26 fixed on 2024/12/11 10:55
gvisor panic: Sentry detected stuck tasks (11) 2 syz, C 31 1842d 1969d 14/26 fixed on 2021/09/03 10:11
gvisor panic: Sentry detected stuck tasks (35) 2 syz 41 155d 208d 26/26 fixed on 2026/04/14 23:49
gvisor panic: Sentry detected stuck tasks (3) 2 syz, C 180 2129d 2133d 0/26 fixed on 2020/11/17 10:52
gvisor panic: Sentry detected stuck tasks (31) 2 3 364d 405d 26/26 fixed on 2025/09/19 06:07
gvisor panic: Sentry detected stuck tasks (28) 2 syz, C 11282 510d 614d 26/26 fixed on 2025/04/24 21:44
gvisor panic: Sentry detected stuck tasks (21) 2 64 1077d 1124d 26/26 fixed on 2023/10/05 23:05
gvisor panic: Sentry detected stuck tasks (2) 2 syz, C 951 2133d 2174d 0/26 fixed on 2020/11/13 09:22
gvisor panic: Sentry detected stuck tasks (5) 2 syz 83 2115d 2128d 0/26 fixed on 2020/12/01 11:18
gvisor panic: Sentry detected stuck tasks (33) 2 syz, C 13 302d 303d 26/26 fixed on 2025/11/19 02:01
gvisor panic: Sentry detected stuck tasks (27) 2 syz, C 14 621d 641d 26/26 fixed on 2025/01/07 21:12
gvisor panic: Sentry detected stuck tasks (32) 2 5 310d 349d 26/26 fixed on 2025/11/12 21:14
gvisor panic: Sentry detected stuck tasks (15) 2 syz, C 2582 1669d 1746d 14/26 fixed on 2022/02/25 14:00
gvisor panic: Sentry detected stuck tasks (34) 2 2 245d 252d 26/26 fixed on 2026/01/14 10:50
gvisor panic: Sentry detected stuck tasks (25) 2 syz, C 78 646d 675d 26/26 fixed on 2024/12/09 18:01
gvisor panic: Sentry detected stuck tasks (29) 2 syz, C 51 505d 509d 26/26 fixed on 2025/04/30 13:05
gvisor panic: Sentry detected stuck tasks (24) 2 syz, C 13 1063d 1070d 26/26 fixed on 2023/10/19 08:45
gvisor panic: Sentry detected stuck tasks (18) 2 syz, C 625 1157d 1216d 26/26 fixed on 2023/07/19 00:35

Sample crash report:
panic: Sentry detected 1 stuck task(s):
	Task tid: 9 (goroutine 261), entered RunSys state 3m24.51s 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({0xfbf300?, 0xc000264ee0?})
	GOROOT/src/runtime/panic.go:1017 +0x3ac fp=0xc0004b1c68 sp=0xc0004b1bb8 pc=0x43a72c
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).doAction(0xc0004b1d90?, 0x123403c?, 0x50?, 0xc0004b1d90)
	pkg/sentry/watchdog/watchdog.go:379 +0x32a fp=0xc0004b1d28 sp=0xc0004b1c68 pc=0xb2020a
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).report(0xc0005d6500, 0xc0002e1e00, 0x80?, {0xc000211110?})
	pkg/sentry/watchdog/watchdog.go:338 +0x24b fp=0xc0004b1e58 sp=0xc0004b1d28 pc=0xb1fe0b
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).runTurn(0xc0005d6500)
	pkg/sentry/watchdog/watchdog.go:320 +0x505 fp=0xc0004b1f58 sp=0xc0004b1e58 pc=0xb1fac5
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).loop(0xc0005d6500)
	pkg/sentry/watchdog/watchdog.go:255 +0x25 fp=0xc0004b1fc8 sp=0xc0004b1f58 pc=0xb1f525
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).Start.func2()
	pkg/sentry/watchdog/watchdog.go:206 +0x25 fp=0xc0004b1fe0 sp=0xc0004b1fc8 pc=0xb1f045
runtime.goexit()
	src/runtime/asm_amd64.s:1650 +0x1 fp=0xc0004b1fe8 sp=0xc0004b1fe0 pc=0x471241
created by gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).Start in goroutine 1
	pkg/sentry/watchdog/watchdog.go:206 +0x1cc

Crashes (23):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/10/10 19:07 gvisor 71dc79e65349 83165b57 console log report syz C ci-gvisor-ptrace-2 panic: Sentry detected stuck tasks
2023/10/10 19:05 gvisor 71dc79e65349 83165b57 console log report syz C ci-gvisor-systrap-1 panic: Sentry detected stuck tasks
2023/10/10 18:40 gvisor 71dc79e65349 83165b57 console log report syz C ci-gvisor-ptrace-1 panic: Sentry detected stuck tasks
2023/10/10 17:54 gvisor 71dc79e65349 83165b57 console log report syz C ci-gvisor-ptrace-3 panic: Sentry detected stuck tasks
2023/10/10 15:13 gvisor 71dc79e65349 83165b57 .config console log report syz C ci-gvisor-ptrace-1-cover panic: Sentry detected stuck tasks
2023/10/10 15:13 gvisor 71dc79e65349 83165b57 .config console log report syz C ci-gvisor-ptrace-2-cover panic: Sentry detected stuck tasks
2023/10/10 15:07 gvisor 71dc79e65349 83165b57 .config console log report syz C ci-gvisor-ptrace-3-cover panic: Sentry detected stuck tasks
2023/10/10 15:05 gvisor 71dc79e65349 83165b57 .config console log report syz C ci-gvisor-systrap-1-cover panic: Sentry detected stuck tasks
2023/10/10 12:15 gvisor 1e5df83edfea c9be5398 .config console log report syz C ci-gvisor-arm64-systrap-1-cover panic: Sentry detected stuck tasks
2023/10/12 10:54 gvisor c6a583126e2c 3cefb144 .config console log report info ci-gvisor-ptrace-1-race-cover panic: Sentry detected stuck tasks
2023/10/11 12:22 gvisor 4e5d7ff1ab7e 83165b57 .config console log report info ci-gvisor-ptrace-1-cover panic: Sentry detected stuck tasks
2023/10/10 23:50 gvisor 71dc79e65349 83165b57 .config console log report info ci-gvisor-ptrace-1-race-cover panic: Sentry detected stuck tasks
2023/10/10 18:07 gvisor 71dc79e65349 83165b57 .config console log report info ci-gvisor-ptrace-1-race-cover panic: Sentry detected stuck tasks
2023/10/10 16:26 gvisor 71dc79e65349 83165b57 .config console log report info ci-gvisor-ptrace-1-race-cover panic: Sentry detected stuck tasks
2023/10/10 09:11 gvisor 12bc9994b427 c9be5398 .config console log report info ci-gvisor-ptrace-1-race-cover panic: Sentry detected stuck tasks
2023/10/10 07:49 gvisor 12bc9994b427 c9be5398 console log report info ci-gvisor-ptrace-3 panic: Sentry detected stuck tasks
2023/10/09 21:15 gvisor 12bc9994b427 f3a9f550 .config console log report info ci-gvisor-ptrace-1-race-cover panic: Sentry detected stuck tasks
2023/10/09 02:00 gvisor 98b368b7fa6f 5e837c76 .config console log report info ci-gvisor-ptrace-1-race-cover panic: Sentry detected stuck tasks
2023/10/08 10:41 gvisor 85701f569ba8 5e837c76 .config console log report info ci-gvisor-ptrace-1-race-cover panic: Sentry detected stuck tasks
2023/10/08 05:01 gvisor 85701f569ba8 5e837c76 .config console log report info ci-gvisor-ptrace-2-cover panic: Sentry detected stuck tasks
2023/10/07 07:42 gvisor addac5f2487d 5e837c76 .config console log report info ci-gvisor-ptrace-1-race-cover panic: Sentry detected stuck tasks
2023/10/10 07:23 gvisor 1e5df83edfea c9be5398 .config console log report info ci-gvisor-arm64-systrap-1-cover panic: Sentry detected stuck tasks
2023/10/07 17:07 gvisor addac5f2487d 5e837c76 console log report info ci-gvisor-arm64-systrap-1 panic: Sentry detected stuck tasks
* Struck through repros no longer work on HEAD.