panic: Sentry detected stuck tasks (27)

Status: fixed on 2025/01/07 21:12
Fix commit: 679c77e4f05e proc: Allow interrupting generation of /proc/pid/mount{s,info}
First crash: 643d, last: 623d
▶ ▼ Similar bugs (33)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
gvisor panic: Sentry detected stuck tasks (16) 2 5 1562d 1634d 14/26 fixed on 2022/06/10 10:13
gvisor panic: Sentry detected stuck tasks (9) 2 9 2030d 2030d 14/26 fixed on 2021/02/26 03:02
gvisor panic: Sentry detected stuck tasks (14) 2 20 1751d 1796d 14/26 fixed on 2021/12/02 12:02
gvisor panic: Sentry detected stuck tasks (17) 2 syz, C 822 1217d 1483d 26/26 fixed on 2023/05/19 14:28
gvisor panic: Sentry detected stuck tasks (12) 2 2 1828d 1827d 14/26 fixed on 2021/09/17 01:50
gvisor panic: Sentry detected stuck tasks (20) 2 syz, C 895 1126d 1129d 26/26 fixed on 2023/08/19 00:55
gvisor panic: Sentry detected stuck tasks 2 syz, C 506 2175d 2195d 0/26 fixed on 2020/10/03 12:41
gvisor panic: Sentry detected stuck tasks (6) 2 syz 714 2064d 2116d 14/26 fixed on 2021/01/22 19:49
gvisor panic: Sentry detected stuck tasks (7) 2 syz 2567 2032d 2064d 14/26 fixed on 2021/02/23 13:36
gvisor panic: Sentry detected stuck tasks (4) 2 syz, C 5 2130d 2130d 0/26 fixed on 2020/11/18 07:03
gvisor panic: Sentry detected stuck tasks (22) 2 5 1077d 1077d 26/26 fixed on 2023/10/07 05:04
gvisor panic: Sentry detected stuck tasks (8) 2 syz, C 64 2030d 2032d 14/26 fixed on 2021/02/25 13:46
gvisor panic: Sentry detected stuck tasks (13) 2 1 1826d 1826d 14/26 fixed on 2021/09/27 21:02
gvisor panic: Sentry detected stuck tasks (10) 2 syz, C 264 1977d 2029d 14/26 fixed on 2021/04/20 00:15
gvisor panic: Sentry detected stuck tasks (26) 2 syz, C 17 646d 647d 26/26 fixed on 2024/12/11 10:55
gvisor panic: Sentry detected stuck tasks (11) 2 syz, C 31 1843d 1970d 14/26 fixed on 2021/09/03 10:11
gvisor panic: Sentry detected stuck tasks (35) 2 syz 41 156d 209d 26/26 fixed on 2026/04/14 23:49
gvisor panic: Sentry detected stuck tasks (3) 2 syz, C 180 2130d 2134d 0/26 fixed on 2020/11/17 10:52
gvisor panic: Sentry detected stuck tasks (31) 2 3 365d 407d 26/26 fixed on 2025/09/19 06:07
gvisor panic: Sentry detected stuck tasks (28) 2 syz, C 11282 511d 615d 26/26 fixed on 2025/04/24 21:44
gvisor panic: Sentry detected stuck tasks (21) 2 64 1078d 1126d 26/26 fixed on 2023/10/05 23:05
gvisor panic: Sentry detected stuck tasks (2) 2 syz, C 951 2134d 2175d 0/26 fixed on 2020/11/13 09:22
gvisor panic: Sentry detected stuck tasks (5) 2 syz 83 2116d 2129d 0/26 fixed on 2020/12/01 11:18
gvisor panic: Sentry detected stuck tasks (33) 2 syz, C 13 304d 305d 26/26 fixed on 2025/11/19 02:01
gvisor panic: Sentry detected stuck tasks (32) 2 5 312d 350d 26/26 fixed on 2025/11/12 21:14
gvisor panic: Sentry detected stuck tasks (36) 2 8 1d04h 24d 0/26 internal: reported on 2026/08/24 23:35
gvisor panic: Sentry detected stuck tasks (15) 2 syz, C 2582 1670d 1748d 14/26 fixed on 2022/02/25 14:00
gvisor panic: Sentry detected stuck tasks (34) 2 2 246d 253d 26/26 fixed on 2026/01/14 10:50
gvisor panic: Sentry detected stuck tasks (25) 2 syz, C 78 647d 676d 26/26 fixed on 2024/12/09 18:01
gvisor panic: Sentry detected stuck tasks (29) 2 syz, C 51 506d 510d 26/26 fixed on 2025/04/30 13:05
gvisor panic: Sentry detected stuck tasks (24) 2 syz, C 13 1065d 1071d 26/26 fixed on 2023/10/19 08:45
gvisor panic: Sentry detected stuck tasks (23) 2 syz, C 23 1071d 1076d 26/26 fixed on 2023/10/12 20:28
gvisor panic: Sentry detected stuck tasks (18) 2 syz, C 625 1158d 1217d 26/26 fixed on 2023/07/19 00:35

Sample crash report:
panic: Sentry detected 1 stuck task(s):
		Task tid: 11 (goroutine 308), entered RunSys state 3m10.66s 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 60 gp=0xc0005aca80 m=22 mp=0xc000b64008 [running]:
panic({0x1beb780?, 0xc00098d080?})
	bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc000e61bb0 sp=0xc000e61b00 pc=0x478628
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).doAction(0xc000262180, 0x1, 0x1, 0xc000e61d30)
	pkg/sentry/watchdog/watchdog.go:376 +0x545 fp=0xc000e61cc8 sp=0xc000e61bb0 pc=0x12fc205
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).report(0xc000262180, 0xc00143c540, 0x1, {0x1?})
	pkg/sentry/watchdog/watchdog.go:335 +0x411 fp=0xc000e61e10 sp=0xc000e61cc8 pc=0x12fbbb1
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).runTurn(0xc000262180)
	pkg/sentry/watchdog/watchdog.go:317 +0x838 fp=0xc000e61f30 sp=0xc000e61e10 pc=0x12fb5b8
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).loop(0xc000262180)
	pkg/sentry/watchdog/watchdog.go:254 +0x5d fp=0xc000e61fc0 sp=0xc000e61f30 pc=0x12fac3d
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).Start.gowrap2()
	pkg/sentry/watchdog/watchdog.go:205 +0x34 fp=0xc000e61fe0 sp=0xc000e61fc0 pc=0x12fa574
runtime.goexit({})
	src/runtime/asm_amd64.s:1700 +0x1 fp=0xc000e61fe8 sp=0xc000e61fe0 pc=0x4819a1
created by gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).Start in goroutine 1
	pkg/sentry/watchdog/watchdog.go:205 +0x40d

Crashes (14):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/12/14 11:29 gvisor bd0cbf807169 7cbfbb3a .config console log report syz / log C ci-gvisor-ptrace-1-race-cover panic: Sentry detected stuck tasks
2024/12/14 11:27 gvisor bd0cbf807169 7cbfbb3a .config console log report syz / log C ci-gvisor-ptrace-3-race-cover panic: Sentry detected stuck tasks
2024/12/14 09:24 gvisor bd0cbf807169 7cbfbb3a .config console log report syz / log C ci-gvisor-systrap-1-race-cover panic: Sentry detected stuck tasks
2024/12/14 11:06 gvisor bd0cbf807169 7cbfbb3a .config console log report syz / log ci-gvisor-ptrace-2-race-cover panic: Sentry detected stuck tasks
2024/12/29 16:51 gvisor 768db8693149 444551c4 .config console log report info ci-gvisor-ptrace-2-race-cover panic: Sentry detected stuck tasks
2024/12/27 07:34 gvisor 84172e4e7034 444551c4 .config console log report info ci-gvisor-ptrace-2-race-cover panic: Sentry detected stuck tasks
2024/12/26 10:37 gvisor f7ad032e4adc 444551c4 .config console log report info ci-gvisor-systrap-1-race-cover panic: Sentry detected stuck tasks
2024/12/17 05:51 gvisor 3f058a843618 f93b2b55 .config console log report info ci-gvisor-systrap-1-race-cover panic: Sentry detected stuck tasks
2024/12/16 22:34 gvisor 3f058a843618 f93b2b55 .config console log report info ci-gvisor-systrap-1-race-cover panic: Sentry detected stuck tasks
2024/12/15 06:38 gvisor 7aa4e8dc34fa 7cbfbb3a .config console log report info ci-gvisor-systrap-1-race-cover panic: Sentry detected stuck tasks
2024/12/14 19:56 gvisor 7aa4e8dc34fa 7cbfbb3a .config console log report info ci-gvisor-ptrace-3-race-cover panic: Sentry detected stuck tasks
2024/12/14 19:43 gvisor 7aa4e8dc34fa 7cbfbb3a .config console log report info ci-gvisor-ptrace-1-race-cover panic: Sentry detected stuck tasks
2024/12/14 04:07 gvisor bd0cbf807169 7cbfbb3a .config console log report info ci-gvisor-systrap-1-race-cover panic: Sentry detected stuck tasks
2025/01/03 06:16 gvisor 4dbba85b072b d3ccff63 .config console log report info ci-gvisor-arm64-ptrace-1-cover panic: Sentry detected stuck tasks
* Struck through repros no longer work on HEAD.