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panic: Sentry detected stuck tasks (16)

Status: fixed on 2022/06/10 10:13
Reported-by: syzbot+7f2b94fef2e1109bcd40@syzkaller.appspotmail.com
Fix commit: 8b41af93300c sync/lockdep: use RangeRepeatable instead of Range
First crash: 1314d, last: 1234d
▶ ▼ Similar bugs (29)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
gvisor panic: Sentry detected stuck tasks (9) 2 9 1702d 1702d 14/26 fixed on 2021/02/26 03:02
gvisor panic: Sentry detected stuck tasks (14) 2 20 1423d 1469d 14/26 fixed on 2021/12/02 12:02
gvisor panic: Sentry detected stuck tasks (17) 2 C 822 890d 1155d 26/26 fixed on 2023/05/19 14:28
gvisor panic: Sentry detected stuck tasks (12) 2 2 1500d 1500d 14/26 fixed on 2021/09/17 01:50
gvisor panic: Sentry detected stuck tasks (20) 2 C 895 799d 801d 26/26 fixed on 2023/08/19 00:55
gvisor panic: Sentry detected stuck tasks 2 C 506 1848d 1868d 0/26 fixed on 2020/10/03 12:41
gvisor panic: Sentry detected stuck tasks (6) 2 syz 714 1736d 1788d 14/26 fixed on 2021/01/22 19:49
gvisor panic: Sentry detected stuck tasks (7) 2 syz 2567 1705d 1736d 14/26 fixed on 2021/02/23 13:36
gvisor panic: Sentry detected stuck tasks (4) 2 C 5 1802d 1803d 0/26 fixed on 2020/11/18 07:03
gvisor panic: Sentry detected stuck tasks (22) 2 5 749d 750d 26/26 fixed on 2023/10/07 05:04
gvisor panic: Sentry detected stuck tasks (8) 2 C 64 1703d 1704d 14/26 fixed on 2021/02/25 13:46
gvisor panic: Sentry detected stuck tasks (13) 2 1 1499d 1499d 14/26 fixed on 2021/09/27 21:02
gvisor panic: Sentry detected stuck tasks (10) 2 C 264 1649d 1702d 14/26 fixed on 2021/04/20 00:15
gvisor panic: Sentry detected stuck tasks (26) 2 C 17 318d 319d 26/26 fixed on 2024/12/11 10:55
gvisor panic: Sentry detected stuck tasks (11) 2 C 31 1515d 1642d 14/26 fixed on 2021/09/03 10:11
gvisor panic: Sentry detected stuck tasks (3) 2 C 180 1803d 1807d 0/26 fixed on 2020/11/17 10:52
gvisor panic: Sentry detected stuck tasks (31) 2 3 37d 79d 26/26 fixed on 2025/09/19 06:07
gvisor panic: Sentry detected stuck tasks (28) 2 C 11282 183d 287d 26/26 fixed on 2025/04/24 21:44
gvisor panic: Sentry detected stuck tasks (21) 2 64 750d 798d 26/26 fixed on 2023/10/05 23:05
gvisor panic: Sentry detected stuck tasks (2) 2 C 951 1807d 1848d 0/26 fixed on 2020/11/13 09:22
gvisor panic: Sentry detected stuck tasks (5) 2 syz 83 1789d 1802d 0/26 fixed on 2020/12/01 11:18
gvisor panic: Sentry detected stuck tasks (27) 2 C 14 295d 315d 26/26 fixed on 2025/01/07 21:12
gvisor panic: Sentry detected stuck tasks (32) 2 3 17d 22d 13/26 internal: reported on 2025/10/02 17:05
gvisor panic: Sentry detected stuck tasks (15) 2 C 2582 1343d 1420d 14/26 fixed on 2022/02/25 14:00
gvisor panic: Sentry detected stuck tasks (25) 2 C 78 320d 348d 26/26 fixed on 2024/12/09 18:01
gvisor panic: Sentry detected stuck tasks (29) 2 C 51 178d 183d 26/26 fixed on 2025/04/30 13:05
gvisor panic: Sentry detected stuck tasks (24) 2 C 13 737d 743d 26/26 fixed on 2023/10/19 08:45
gvisor panic: Sentry detected stuck tasks (23) 2 C 23 744d 749d 26/26 fixed on 2023/10/12 20:28
gvisor panic: Sentry detected stuck tasks (18) 2 C 625 831d 889d 26/26 fixed on 2023/07/19 00:35

Sample crash report:
panic: Sentry detected 6 stuck task(s):
	Task tid: 45 (goroutine 343), entered RunSys state 3m26.52s ago.
	Task tid: 47 (goroutine 143), entered RunSys state 3m26.52s ago.
	Task tid: 12 (goroutine 129), entered RunSys state 3m18.35s ago.
	Task tid: 49 (goroutine 145), entered RunSys state 3m26.52s ago.
	Task tid: 225 (goroutine 5539), entered RunSys state 3m26.51s ago.
	Task tid: 50 (goroutine 722), entered RunSys state 3m22.99s ago.
Search for 'goroutine <id>' in the stack dump to find the offending goroutine(s)
Stack for running G's are skipped while panicking.

Crashes (5):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/06/09 05:48 gvisor 8b5289e723b5 0d5abf15 .config console log report info ci-gvisor-ptrace-1-race panic: Sentry detected stuck tasks
2022/04/24 05:35 gvisor 772e9a4e9b7b 131df97d .config console log report info ci-gvisor-ptrace-3-cover panic: Sentry detected stuck tasks
2022/04/16 01:53 gvisor fbf44721a138 8bcc32a6 .config console log report info ci-gvisor-ptrace-1-race-cover panic: Sentry detected stuck tasks
2022/03/24 19:26 gvisor 7da1c59e773f 89bc8608 .config console log report info ci-gvisor-ptrace-1-race-cover panic: Sentry detected stuck tasks
2022/03/21 06:03 gvisor dd6bf5ecdda3 e2d91b1d .config console log report info ci-gvisor-ptrace-1-race-cover panic: Sentry detected stuck tasks
* Struck through repros no longer work on HEAD.