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kvm: panic: Sentry detected stuck tasks

Status: fixed on 2021/03/24 13:21
Fix commit: 2f3dac78ca9a kvm: prefault a floating point state before restoring it
First crash: 1637d, last: 1621d
▶ ▼ Similar bugs (25)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
gvisor kvm: panic: Sentry detected stuck tasks (2) -1 C 66 1443d 1606d 14/26 fixed on 2021/09/25 08:25
gvisor kvm: panic: Sentry detected stuck tasks (26) -1 C 3 127d 128d 0/26 closed as invalid on 2025/04/25 22:43
gvisor kvm: panic: Sentry detected stuck tasks (7) -1 1 1198d 1190d 14/26 fixed on 2022/06/09 21:04
gvisor kvm: panic: Sentry detected stuck tasks (19) -1 3 656d 655d 26/26 fixed on 2023/11/15 20:33
gvisor kvm: panic: Sentry detected stuck tasks (23) -1 1 530d 530d 0/26 auto-obsoleted due to no activity on 2024/06/25 13:36
gvisor kvm: panic: Sentry detected stuck tasks (24) -1 C 9 264d 307d 26/26 fixed on 2024/12/11 10:55
gvisor kvm: panic: Sentry detected stuck tasks (6) -1 15 1279d 1290d 14/26 fixed on 2022/03/01 23:36
gvisor kvm: panic: Sentry detected stuck tasks (18) -1 C 3 669d 674d 26/26 fixed on 2023/11/03 12:12
gvisor kvm: panic: Sentry detected stuck tasks (4) -1 C 627 1360d 1387d 14/26 fixed on 2021/12/10 13:30
gvisor kvm: panic: Sentry detected stuck tasks (27) -1 C 5 125d 127d 26/26 fixed on 2025/05/02 08:36
gvisor kvm: panic: Sentry detected stuck tasks (10) -1 3 1021d 1038d 14/26 fixed on 2022/11/30 11:09
gvisor kvm: panic: Sentry detected stuck tasks (22) -1 C 8 635d 645d 26/26 fixed on 2023/12/12 09:56
gvisor kvm: panic: Sentry detected stuck tasks (8) -1 1 1116d 1116d 0/26 closed as invalid on 2022/08/11 16:05
gvisor kvm: panic: Sentry detected stuck tasks (11) -1 1 1002d 1002d 0/26 closed as invalid on 2022/12/05 18:51
gvisor kvm: panic: Sentry detected stuck tasks (21) -1 C 2 650d 652d 26/26 fixed on 2023/11/21 23:47
gvisor kvm: panic: Sentry detected stuck tasks (15) -1 C 186 744d 747d 26/26 fixed on 2023/08/19 00:49
gvisor kvm: panic: Sentry detected stuck tasks (28) -1 C 11 76d 81d 26/26 fixed on 2025/07/10 09:16
gvisor kvm: panic: Sentry detected stuck tasks (20) -1 C 2 654d 654d 26/26 fixed on 2023/11/17 11:27
gvisor kvm: panic: Sentry detected stuck tasks (5) -1 C 65 1291d 1352d 14/26 fixed on 2022/02/18 08:00
gvisor kvm: panic: Sentry detected stuck tasks (25) -1 C 3409 137d 232d 26/26 fixed on 2025/04/24 21:45
gvisor kvm: panic: Sentry detected stuck tasks (9) -1 2 1086d 1088d 14/26 fixed on 2022/09/20 07:30
gvisor kvm: panic: Sentry detected stuck tasks (3) -1 1 1405d 1405d 0/26 closed as invalid on 2021/10/27 19:47
gvisor kvm: panic: Sentry detected stuck tasks (12) -1 193 813d 976d 26/26 fixed on 2023/06/10 02:45
gvisor kvm: panic: Sentry detected stuck tasks (14) -1 syz 4 759d 764d 26/26 fixed on 2023/08/08 01:03
gvisor kvm: panic: Sentry detected stuck tasks (17) -1 14 693d 723d 26/26 fixed on 2023/10/09 12:22

Sample crash report:
panic: Sentry detected 4 stuck task(s):
	Task tid: 33 (goroutine 2575), entered RunSys state 3m39.91s ago.
	Task tid: 28 (goroutine 2812), entered RunSys state 3m39.92s ago.
	Task tid: 31 (goroutine 2573), entered RunSys state 3m39.92s ago.
	Task tid: 34 (goroutine 2977), entered RunSys state 3m39.9s 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 (152):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2021/03/20 06:29 gvisor 7fac7e32f3a8 3d01c4de .config console log report syz C ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2021/03/24 10:54 gvisor 92374e51976c e613994b .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/03/24 07:45 gvisor 92374e51976c e613994b .config console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2021/03/23 21:19 gvisor 7dbd6924a3f4 e613994b .config console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2021/03/23 10:13 gvisor d3a433caae71 8092f30d .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/03/23 06:37 gvisor cbac2d9f9703 8092f30d .config console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2021/03/23 05:01 gvisor cbac2d9f9703 8092f30d .config console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2021/03/22 23:14 gvisor cbac2d9f9703 8092f30d .config console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2021/03/22 16:06 gvisor 7fac7e32f3a8 bea32f74 .config console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2021/03/22 13:44 gvisor 7fac7e32f3a8 bea32f74 .config console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2021/03/22 05:08 gvisor d3a433caae71 bea32f74 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/03/22 01:19 gvisor d3a433caae71 4c9a64da .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/03/22 01:11 gvisor 7fac7e32f3a8 4c9a64da .config console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2021/03/21 21:12 gvisor 7fac7e32f3a8 4c9a64da .config console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2021/03/21 18:22 gvisor d3a433caae71 4c9a64da .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/03/21 13:53 gvisor 7fac7e32f3a8 4c9a64da .config console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2021/03/21 12:19 gvisor 7fac7e32f3a8 17810eae .config console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2021/03/21 07:11 gvisor 7fac7e32f3a8 17810eae .config console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2021/03/21 06:05 gvisor 7fac7e32f3a8 17810eae .config console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2021/03/20 22:27 gvisor d3a433caae71 17810eae .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/03/20 17:27 gvisor 7fac7e32f3a8 878fc870 .config console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2021/03/20 15:54 gvisor 7fac7e32f3a8 878fc870 .config console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2021/03/20 08:37 gvisor d3a433caae71 3d01c4de .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/03/20 01:16 gvisor d3a433caae71 3d01c4de .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/03/19 11:10 gvisor d3a433caae71 2af9d324 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/03/19 06:53 gvisor 7fac7e32f3a8 c3a46f82 .config console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2021/03/19 02:58 gvisor d3a433caae71 c3a46f82 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/03/18 23:54 gvisor d3a433caae71 c3a46f82 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/03/18 15:07 gvisor d3a433caae71 7216542e .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/03/18 10:43 gvisor d3a433caae71 7216542e .config console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2021/03/18 08:16 gvisor b9c2174b086e fdb2bb2c .config console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2021/03/18 02:07 gvisor b9c2174b086e fdb2bb2c .config console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2021/03/17 23:59 gvisor b9c2174b086e fdb2bb2c .config console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2021/03/17 21:10 gvisor ee6b22ca6336 fdb2bb2c .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/03/17 17:08 gvisor ee6b22ca6336 fdb2bb2c .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/03/17 15:00 gvisor b9c2174b086e fdb2bb2c .config console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2021/03/17 10:10 gvisor b9c2174b086e fdb2bb2c .config console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2021/03/17 08:58 gvisor b9c2174b086e fdb2bb2c .config console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2021/03/17 07:29 gvisor b9c2174b086e fdb2bb2c .config console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2021/03/17 00:48 gvisor b9c2174b086e fdb2bb2c .config console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2021/03/16 21:14 gvisor b9c2174b086e fdb2bb2c .config console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2021/03/16 16:10 gvisor b9c2174b086e fdb2bb2c .config console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2021/03/16 14:02 gvisor b9c2174b086e fdb2bb2c .config console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2021/03/16 10:11 gvisor b9c2174b086e fdb2bb2c .config console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2021/03/16 06:39 gvisor b9c2174b086e fdb2bb2c .config console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2021/03/16 05:18 gvisor b9c2174b086e fdb2bb2c .config console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2021/03/16 02:55 gvisor b9c2174b086e fdb2bb2c .config console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2021/03/15 21:59 gvisor b9c2174b086e fdb2bb2c .config console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2021/03/15 20:03 gvisor ee6b22ca6336 fdb2bb2c .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2021/03/15 14:19 gvisor ee6b22ca6336 cc1cff8f .config console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2021/03/15 13:17 gvisor ee6b22ca6336 cc1cff8f .config console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2021/03/15 11:10 gvisor ee6b22ca6336 cc1cff8f .config console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2021/03/15 02:59 gvisor ee6b22ca6336 cc1cff8f .config console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2021/03/15 01:38 gvisor ee6b22ca6336 cc1cff8f .config console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2021/03/08 15:19 gvisor e668288fafe3 09fbf400 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
* Struck through repros no longer work on HEAD.