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: 1688d, last: 1608d
▶ ▼ Similar bugs (34)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
gvisor panic: Sentry detected stuck tasks (9) 2 9 2076d 2076d 14/26 fixed on 2021/02/26 03:02
gvisor panic: Sentry detected stuck tasks (14) 2 20 1797d 1842d 14/26 fixed on 2021/12/02 12:02
gvisor panic: Sentry detected stuck tasks (17) 2 syz, C 822 1263d 1529d 26/26 fixed on 2023/05/19 14:28
gvisor panic: Sentry detected stuck tasks (12) 2 2 1874d 1873d 14/26 fixed on 2021/09/17 01:50
gvisor panic: Sentry detected stuck tasks (20) 2 syz, C 895 1173d 1175d 26/26 fixed on 2023/08/19 00:55
gvisor panic: Sentry detected stuck tasks 2 syz, C 506 2221d 2242d 0/26 fixed on 2020/10/03 12:41
gvisor panic: Sentry detected stuck tasks (6) 2 syz 714 2110d 2162d 14/26 fixed on 2021/01/22 19:49
gvisor panic: Sentry detected stuck tasks (7) 2 syz 2567 2078d 2110d 14/26 fixed on 2021/02/23 13:36
gvisor panic: Sentry detected stuck tasks (4) 2 syz, C 5 2176d 2176d 0/26 fixed on 2020/11/18 07:03
gvisor panic: Sentry detected stuck tasks (22) 2 5 1123d 1123d 26/26 fixed on 2023/10/07 05:04
gvisor panic: Sentry detected stuck tasks (8) 2 syz, C 64 2076d 2078d 14/26 fixed on 2021/02/25 13:46
gvisor panic: Sentry detected stuck tasks (13) 2 1 1872d 1872d 14/26 fixed on 2021/09/27 21:02
gvisor panic: Sentry detected stuck tasks (10) 2 syz, C 264 2023d 2076d 14/26 fixed on 2021/04/20 00:15
gvisor panic: Sentry detected stuck tasks (26) 2 syz, C 17 692d 693d 26/26 fixed on 2024/12/11 10:55
gvisor panic: Sentry detected stuck tasks (11) 2 syz, C 31 1889d 2016d 14/26 fixed on 2021/09/03 10:11
gvisor panic: Sentry detected stuck tasks (35) 2 syz 41 203d 255d 26/26 fixed on 2026/04/14 23:49
gvisor panic: Sentry detected stuck tasks (3) 2 syz, C 180 2176d 2180d 0/26 fixed on 2020/11/17 10:52
gvisor panic: Sentry detected stuck tasks (31) 2 3 411d 453d 26/26 fixed on 2025/09/19 06:07
gvisor panic: Sentry detected stuck tasks (28) 2 syz, C 11282 557d 661d 26/26 fixed on 2025/04/24 21:44
gvisor panic: Sentry detected stuck tasks (21) 2 64 1124d 1172d 26/26 fixed on 2023/10/05 23:05
gvisor panic: Sentry detected stuck tasks (2) 2 syz, C 951 2180d 2221d 0/26 fixed on 2020/11/13 09:22
gvisor panic: Sentry detected stuck tasks (5) 2 syz 83 2163d 2175d 0/26 fixed on 2020/12/01 11:18
gvisor panic: Sentry detected stuck tasks (33) 2 syz, C 13 350d 351d 26/26 fixed on 2025/11/19 02:01
gvisor panic: Sentry detected stuck tasks (37) 2 11 5d00h 17d 0/26 moderation: reported on 2026/10/17 00:44
gvisor panic: Sentry detected stuck tasks (27) 2 syz, C 14 669d 689d 26/26 fixed on 2025/01/07 21:12
gvisor panic: Sentry detected stuck tasks (32) 2 5 358d 396d 26/26 fixed on 2025/11/12 21:14
gvisor panic: Sentry detected stuck tasks (36) 2 8 47d 70d 26/26 fixed on 2026/09/18 11:33
gvisor panic: Sentry detected stuck tasks (15) 2 syz, C 2582 1717d 1794d 14/26 fixed on 2022/02/25 14:00
gvisor panic: Sentry detected stuck tasks (34) 2 2 292d 299d 26/26 fixed on 2026/01/14 10:50
gvisor panic: Sentry detected stuck tasks (25) 2 syz, C 78 693d 722d 26/26 fixed on 2024/12/09 18:01
gvisor panic: Sentry detected stuck tasks (29) 2 syz, C 51 552d 557d 26/26 fixed on 2025/04/30 13:05
gvisor panic: Sentry detected stuck tasks (24) 2 syz, C 13 1111d 1117d 26/26 fixed on 2023/10/19 08:45
gvisor panic: Sentry detected stuck tasks (23) 2 syz, C 23 1117d 1123d 26/26 fixed on 2023/10/12 20:28
gvisor panic: Sentry detected stuck tasks (18) 2 syz, C 625 1204d 1263d 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.