panic: Sentry detected stuck tasks (9)

Status: fixed on 2021/02/26 03:02
Fix commit: 38c42bbf4ad2 Remove deadlock in raw.endpoint caused by recursive read locking
First crash: 2072d, last: 2072d
▶ ▼ Similar bugs (34)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
gvisor panic: Sentry detected stuck tasks (16) 2 5 1603d 1676d 14/26 fixed on 2022/06/10 10:13
gvisor panic: Sentry detected stuck tasks (14) 2 20 1793d 1838d 14/26 fixed on 2021/12/02 12:02
gvisor panic: Sentry detected stuck tasks (17) 2 syz, C 822 1259d 1525d 26/26 fixed on 2023/05/19 14:28
gvisor panic: Sentry detected stuck tasks (12) 2 2 1869d 1869d 14/26 fixed on 2021/09/17 01:50
gvisor panic: Sentry detected stuck tasks (20) 2 syz, C 895 1168d 1171d 26/26 fixed on 2023/08/19 00:55
gvisor panic: Sentry detected stuck tasks 2 syz, C 506 2217d 2237d 0/26 fixed on 2020/10/03 12:41
gvisor panic: Sentry detected stuck tasks (6) 2 syz 714 2106d 2158d 14/26 fixed on 2021/01/22 19:49
gvisor panic: Sentry detected stuck tasks (7) 2 syz 2567 2074d 2106d 14/26 fixed on 2021/02/23 13:36
gvisor panic: Sentry detected stuck tasks (4) 2 syz, C 5 2172d 2172d 0/26 fixed on 2020/11/18 07:03
gvisor panic: Sentry detected stuck tasks (22) 2 5 1119d 1119d 26/26 fixed on 2023/10/07 05:04
gvisor panic: Sentry detected stuck tasks (8) 2 syz, C 64 2072d 2074d 14/26 fixed on 2021/02/25 13:46
gvisor panic: Sentry detected stuck tasks (13) 2 1 1868d 1868d 14/26 fixed on 2021/09/27 21:02
gvisor panic: Sentry detected stuck tasks (10) 2 syz, C 264 2019d 2071d 14/26 fixed on 2021/04/20 00:15
gvisor panic: Sentry detected stuck tasks (26) 2 syz, C 17 688d 689d 26/26 fixed on 2024/12/11 10:55
gvisor panic: Sentry detected stuck tasks (11) 2 syz, C 31 1885d 2012d 14/26 fixed on 2021/09/03 10:11
gvisor panic: Sentry detected stuck tasks (35) 2 syz 41 198d 251d 26/26 fixed on 2026/04/14 23:49
gvisor panic: Sentry detected stuck tasks (3) 2 syz, C 180 2172d 2176d 0/26 fixed on 2020/11/17 10:52
gvisor panic: Sentry detected stuck tasks (31) 2 3 407d 449d 26/26 fixed on 2025/09/19 06:07
gvisor panic: Sentry detected stuck tasks (28) 2 syz, C 11282 553d 657d 26/26 fixed on 2025/04/24 21:44
gvisor panic: Sentry detected stuck tasks (21) 2 64 1120d 1167d 26/26 fixed on 2023/10/05 23:05
gvisor panic: Sentry detected stuck tasks (2) 2 syz, C 951 2176d 2217d 0/26 fixed on 2020/11/13 09:22
gvisor panic: Sentry detected stuck tasks (5) 2 syz 83 2158d 2171d 0/26 fixed on 2020/12/01 11:18
gvisor panic: Sentry detected stuck tasks (33) 2 syz, C 13 345d 347d 26/26 fixed on 2025/11/19 02:01
gvisor panic: Sentry detected stuck tasks (37) 2 11 19h46m 13d 0/26 moderation: reported on 2026/10/17 00:44
gvisor panic: Sentry detected stuck tasks (27) 2 syz, C 14 664d 684d 26/26 fixed on 2025/01/07 21:12
gvisor panic: Sentry detected stuck tasks (32) 2 5 353d 392d 26/26 fixed on 2025/11/12 21:14
gvisor panic: Sentry detected stuck tasks (36) 2 8 43d 66d 26/26 fixed on 2026/09/18 11:33
gvisor panic: Sentry detected stuck tasks (15) 2 syz, C 2582 1712d 1789d 14/26 fixed on 2022/02/25 14:00
gvisor panic: Sentry detected stuck tasks (34) 2 2 288d 295d 26/26 fixed on 2026/01/14 10:50
gvisor panic: Sentry detected stuck tasks (25) 2 syz, C 78 689d 718d 26/26 fixed on 2024/12/09 18:01
gvisor panic: Sentry detected stuck tasks (29) 2 syz, C 51 548d 552d 26/26 fixed on 2025/04/30 13:05
gvisor panic: Sentry detected stuck tasks (24) 2 syz, C 13 1106d 1113d 26/26 fixed on 2023/10/19 08:45
gvisor panic: Sentry detected stuck tasks (23) 2 syz, C 23 1113d 1118d 26/26 fixed on 2023/10/12 20:28
gvisor panic: Sentry detected stuck tasks (18) 2 syz, C 625 1200d 1259d 26/26 fixed on 2023/07/19 00:35

Sample crash report:
panic: Sentry detected 4 stuck task(s):
	Task tid: 34 (goroutine 1059), entered RunSys state 3m27.79s ago.
	Task tid: 23 (goroutine 694), entered RunSys state 3m27.79s ago.
	Task tid: 36 (goroutine 1073), entered RunSys state 3m27.7s ago.
	Task tid: 55 (goroutine 11014), entered RunSys state 3m27.79s 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 (9):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2021/02/26 01:28 gvisor 0462dfe9f8bf 76f7fc95 .config console log report info ci-gvisor-kvm panic: Sentry detected stuck tasks
2021/02/26 00:59 gvisor 0462dfe9f8bf 76f7fc95 .config console log report info ci-gvisor-kvm panic: Sentry detected stuck tasks
2021/02/25 22:34 gvisor 0462dfe9f8bf 76f7fc95 .config console log report info ci-gvisor-kvm panic: Sentry detected stuck tasks
2021/02/25 20:13 gvisor 0462dfe9f8bf 76f7fc95 .config console log report info ci-gvisor-kvm panic: Sentry detected stuck tasks
2021/02/25 19:57 gvisor 0462dfe9f8bf 76f7fc95 .config console log report info ci-gvisor-kvm panic: Sentry detected stuck tasks
2021/02/25 18:42 gvisor 0462dfe9f8bf 76f7fc95 .config console log report info ci-gvisor-ptrace-3-race-cover panic: Sentry detected stuck tasks
2021/02/25 18:07 gvisor 0462dfe9f8bf 76f7fc95 .config console log report info ci-gvisor-kvm panic: Sentry detected stuck tasks
2021/02/25 17:03 gvisor 0462dfe9f8bf 76f7fc95 .config console log report info ci-gvisor-kvm panic: Sentry detected stuck tasks
2021/02/25 14:28 gvisor 0462dfe9f8bf 76f7fc95 .config console log report info ci-gvisor-ptrace-1-race-cover panic: Sentry detected stuck tasks
* Struck through repros no longer work on HEAD.