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panic: Sentry detected stuck tasks (6)

Status: fixed on 2021/01/22 19:49
Fix commit: e57ebcd37a7b Simplify the pipe implementation.
First crash: 1905d, last: 1853d
▶ ▼ Similar bugs (31)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
gvisor panic: Sentry detected stuck tasks (16) 2 5 1350d 1423d 14/26 fixed on 2022/06/10 10:13
gvisor panic: Sentry detected stuck tasks (9) 2 9 1819d 1819d 14/26 fixed on 2021/02/26 03:02
gvisor panic: Sentry detected stuck tasks (14) 2 20 1540d 1585d 14/26 fixed on 2021/12/02 12:02
gvisor panic: Sentry detected stuck tasks (17) 2 C 822 1006d 1272d 26/26 fixed on 2023/05/19 14:28
gvisor panic: Sentry detected stuck tasks (12) 2 2 1616d 1616d 14/26 fixed on 2021/09/17 01:50
gvisor panic: Sentry detected stuck tasks (20) 2 C 895 915d 918d 26/26 fixed on 2023/08/19 00:55
gvisor panic: Sentry detected stuck tasks 2 C 506 1964d 1984d 0/26 fixed on 2020/10/03 12:41
gvisor panic: Sentry detected stuck tasks (7) 2 syz 2567 1821d 1853d 14/26 fixed on 2021/02/23 13:36
gvisor panic: Sentry detected stuck tasks (4) 2 C 5 1919d 1919d 0/26 fixed on 2020/11/18 07:03
gvisor panic: Sentry detected stuck tasks (22) 2 5 866d 866d 26/26 fixed on 2023/10/07 05:04
gvisor panic: Sentry detected stuck tasks (8) 2 C 64 1819d 1821d 14/26 fixed on 2021/02/25 13:46
gvisor panic: Sentry detected stuck tasks (13) 2 1 1615d 1615d 14/26 fixed on 2021/09/27 21:02
gvisor panic: Sentry detected stuck tasks (10) 2 C 264 1766d 1818d 14/26 fixed on 2021/04/20 00:15
gvisor panic: Sentry detected stuck tasks (26) 2 C 17 435d 436d 26/26 fixed on 2024/12/11 10:55
gvisor panic: Sentry detected stuck tasks (11) 2 C 31 1632d 1759d 14/26 fixed on 2021/09/03 10:11
gvisor panic: Sentry detected stuck tasks (3) 2 C 180 1919d 1923d 0/26 fixed on 2020/11/17 10:52
gvisor panic: Sentry detected stuck tasks (31) 2 3 154d 195d 26/26 fixed on 2025/09/19 06:07
gvisor panic: Sentry detected stuck tasks (28) 2 C 11282 300d 404d 26/26 fixed on 2025/04/24 21:44
gvisor panic: Sentry detected stuck tasks (21) 2 64 867d 914d 26/26 fixed on 2023/10/05 23:05
gvisor panic: Sentry detected stuck tasks (2) 2 C 951 1923d 1964d 0/26 fixed on 2020/11/13 09:22
gvisor panic: Sentry detected stuck tasks (5) 2 syz 83 1905d 1918d 0/26 fixed on 2020/12/01 11:18
gvisor panic: Sentry detected stuck tasks (33) 2 C 13 92d 93d 26/26 fixed on 2025/11/19 02:01
gvisor panic: Sentry detected stuck tasks (27) 2 C 14 411d 431d 26/26 fixed on 2025/01/07 21:12
gvisor panic: Sentry detected stuck tasks (32) 2 5 100d 139d 26/26 fixed on 2025/11/12 21:14
gvisor panic: Sentry detected stuck tasks (15) 2 C 2582 1459d 1536d 14/26 fixed on 2022/02/25 14:00
gvisor panic: Sentry detected stuck tasks (34) 2 2 35d 42d 26/26 fixed on 2026/01/14 10:50
gvisor panic: Sentry detected stuck tasks (25) 2 C 78 436d 465d 26/26 fixed on 2024/12/09 18:01
gvisor panic: Sentry detected stuck tasks (29) 2 C 51 295d 299d 26/26 fixed on 2025/04/30 13:05
gvisor panic: Sentry detected stuck tasks (24) 2 C 13 853d 859d 26/26 fixed on 2023/10/19 08:45
gvisor panic: Sentry detected stuck tasks (23) 2 C 23 860d 865d 26/26 fixed on 2023/10/12 20:28
gvisor panic: Sentry detected stuck tasks (18) 2 C 625 947d 1006d 26/26 fixed on 2023/07/19 00:35

Sample crash report:
panic: Sentry detected 2 stuck task(s):
	Task tid: 401 (goroutine 16765), entered RunSys state 3m28.58s ago.
	Task tid: 396 (goroutine 16630), entered RunSys state 3m28.58s 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 80 [running]:
panic(0x10b3320, 0xc00052c210)
	GOROOT/src/runtime/panic.go:1064 +0x470 fp=0xc000c99c08 sp=0xc000c99b50 pc=0x437110
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).doAction(0xc0000e4300, 0x1, 0x1, 0xc000c99d70)
	pkg/sentry/watchdog/watchdog.go:446 +0x5ff fp=0xc000c99d00 sp=0xc000c99c08 pc=0xc7111f
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).report(0xc0000e4300, 0xc00070c720, 0x1ad01, 0x10fa5ee6000)
	pkg/sentry/watchdog/watchdog.go:394 +0x355 fp=0xc000c99e38 sp=0xc000c99d00 pc=0xc70a55
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).runTurn(0xc0000e4300)
	pkg/sentry/watchdog/watchdog.go:372 +0x58a fp=0xc000c99f40 sp=0xc000c99e38 pc=0xc7064a
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).loop(0xc0000e4300)
	pkg/sentry/watchdog/watchdog.go:292 +0x56 fp=0xc000c99fd8 sp=0xc000c99f40 pc=0xc6ffb6
runtime.goexit()
	src/runtime/asm_amd64.s:1374 +0x1 fp=0xc000c99fe0 sp=0xc000c99fd8 pc=0x470681
created by gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).Start
	pkg/sentry/watchdog/watchdog.go:231 +0x1e7

Crashes (714):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2021/01/08 04:54 gvisor 7817e3b5e420 c104d4a3 .config console log report syz ci-gvisor-kvm-cover
2020/12/03 16:14 gvisor 80552b936d06 e6b0d314 .config console log report syz ci-gvisor-kvm
2020/12/03 01:11 gvisor 7ccb0b6a7cd7 8c9190ef .config console log report syz ci-gvisor-ptrace-2-cover
2020/12/03 00:47 gvisor 7ccb0b6a7cd7 8c9190ef .config console log report syz ci-gvisor-ptrace-3-cover
2020/12/02 22:47 gvisor 7ccb0b6a7cd7 8c9190ef .config console log report syz ci-gvisor-ptrace-1
2020/12/02 22:47 gvisor 7ccb0b6a7cd7 8c9190ef .config console log report syz ci-gvisor-ptrace-3-cover
2020/12/02 22:46 gvisor 7ccb0b6a7cd7 8c9190ef .config console log report syz ci-gvisor-ptrace-2-race
2020/12/02 19:16 gvisor 41675ebc6308 c42a35e9 .config console log report syz ci-gvisor-ptrace-1
2020/12/02 18:33 gvisor 41675ebc6308 c42a35e9 .config console log report syz ci-gvisor-ptrace-1-race
2020/12/02 17:48 gvisor 41675ebc6308 c42a35e9 .config console log report syz ci-gvisor-ptrace-2
2020/12/02 17:47 gvisor 41675ebc6308 c42a35e9 .config console log report syz ci-gvisor-ptrace-3
2020/12/02 17:01 gvisor 41675ebc6308 c42a35e9 .config console log report syz ci-gvisor-ptrace-3-race
2020/12/02 15:21 gvisor 41675ebc6308 c42a35e9 .config console log report syz ci-gvisor-ptrace-3
2021/01/22 15:30 gvisor 8ecff1890277 d4f4eca5 .config console log report info ci-gvisor-ptrace-1-cover panic: Sentry detected stuck tasks
2021/01/22 09:40 gvisor f5736fa2bf91 63631df1 .config console log report info ci-gvisor-kvm-cover panic: Sentry detected stuck tasks
2021/01/21 22:08 gvisor 1005a8849173 d4f4eca5 .config console log report info ci-gvisor-ptrace-2-cover panic: Sentry detected stuck tasks
2021/01/21 21:02 gvisor 60b07541dbfa d4f4eca5 .config console log report info ci-gvisor-ptrace-1-race panic: Sentry detected stuck tasks
2021/01/21 18:33 gvisor f5736fa2bf91 63631df1 .config console log report info ci-gvisor-kvm-cover panic: Sentry detected stuck tasks
2021/01/21 10:22 gvisor 286516640389 d4f4eca5 .config console log report info ci-gvisor-ptrace-3-race panic: Sentry detected stuck tasks
2021/01/21 10:22 gvisor 286516640389 d4f4eca5 .config console log report info ci-gvisor-ptrace-2-race panic: Sentry detected stuck tasks
2021/01/21 04:59 gvisor f5736fa2bf91 63631df1 .config console log report info ci-gvisor-kvm-cover panic: Sentry detected stuck tasks
2021/01/21 03:51 gvisor 286516640389 d4f4eca5 .config console log report info ci-gvisor-ptrace-3 panic: Sentry detected stuck tasks
2021/01/20 16:24 gvisor 7ff5ceaeae66 d4f4eca5 .config console log report info ci-gvisor-ptrace-1 panic: Sentry detected stuck tasks
2021/01/20 11:00 gvisor 7ff5ceaeae66 d4f4eca5 .config console log report info ci-gvisor-ptrace-3-race panic: Sentry detected stuck tasks
2021/01/19 19:19 gvisor f5736fa2bf91 63631df1 .config console log report info ci-gvisor-ptrace-3-race-cover panic: Sentry detected stuck tasks
2021/01/19 17:51 gvisor f5736fa2bf91 63631df1 .config console log report info ci-gvisor-kvm panic: Sentry detected stuck tasks
2021/01/19 08:00 gvisor f5736fa2bf91 63631df1 .config console log report info ci-gvisor-kvm panic: Sentry detected stuck tasks
2021/01/18 20:00 gvisor f5736fa2bf91 63631df1 .config console log report info ci-gvisor-kvm panic: Sentry detected stuck tasks
2021/01/17 16:42 gvisor cd75bb163f46 813be542 .config console log report info ci-gvisor-kvm-cover panic: Sentry detected stuck tasks
2021/01/17 12:55 gvisor cd75bb163f46 813be542 .config console log report info ci-gvisor-ptrace-2-cover
2021/01/17 10:21 gvisor cd75bb163f46 813be542 .config console log report info ci-gvisor-kvm-cover
2021/01/17 09:16 gvisor e57ebcd37a7b 65a7a854 .config console log report info ci-gvisor-ptrace-2-cover
2021/01/17 09:04 gvisor cd75bb163f46 65a7a854 .config console log report info ci-gvisor-ptrace-2
2021/01/17 07:54 gvisor e57ebcd37a7b 65a7a854 .config console log report info ci-gvisor-ptrace-1-race
2021/01/17 04:07 gvisor e57ebcd37a7b 65a7a854 .config console log report info ci-gvisor-ptrace-3-cover
2021/01/17 02:32 gvisor 833516c139b5 65a7a854 .config console log report info ci-gvisor-kvm-cover
2021/01/16 22:37 gvisor e57ebcd37a7b 65a7a854 .config console log report info ci-gvisor-ptrace-1-race
2021/01/16 17:10 gvisor 833516c139b5 65a7a854 .config console log report info ci-gvisor-kvm-cover
2021/01/16 11:50 gvisor cd75bb163f46 65a7a854 .config console log report info ci-gvisor-ptrace-2-race
2021/01/16 01:00 gvisor 833516c139b5 65a7a854 .config console log report info ci-gvisor-kvm-cover
2021/01/15 22:53 gvisor e57ebcd37a7b 65a7a854 .config console log report info ci-gvisor-ptrace-3-race
2021/01/15 22:17 gvisor e57ebcd37a7b 65a7a854 .config console log report info ci-gvisor-ptrace-3
2021/01/15 20:45 gvisor e57ebcd37a7b 65a7a854 .config console log report info ci-gvisor-ptrace-3-race-cover
2021/01/15 18:52 gvisor 833516c139b5 65a7a854 .config console log report info ci-gvisor-kvm
2021/01/15 07:56 gvisor 833516c139b5 65a7a854 .config console log report info ci-gvisor-ptrace-3-cover
2021/01/14 12:43 gvisor c49ce8ca8ab9 468dbb55 .config console log report info ci-gvisor-ptrace-3-race-cover
2021/01/13 20:33 gvisor fb95e13df574 a945f0a3 .config console log report info ci-gvisor-ptrace-2-race
2021/01/13 18:49 gvisor fb95e13df574 a945f0a3 .config console log report info ci-gvisor-ptrace-3-cover
2021/01/13 07:23 gvisor 4e03e8754785 0cdd6185 .config console log report info ci-gvisor-ptrace-1-cover
2021/01/13 04:25 gvisor a20da708291e 0cdd6185 .config console log report info ci-gvisor-kvm
2021/01/12 19:43 gvisor a20da708291e 0cdd6185 .config console log report info ci-gvisor-ptrace-3-cover
2021/01/12 12:51 gvisor a20da708291e 2c1f2513 .config console log report info ci-gvisor-ptrace-2-cover
2021/01/12 10:54 gvisor a20da708291e 2c1f2513 .config console log report info ci-gvisor-ptrace-1-race
2021/01/12 09:52 gvisor a20da708291e 2c1f2513 .config console log report info ci-gvisor-ptrace-2
2021/01/12 09:47 gvisor a20da708291e 2c1f2513 .config console log report info ci-gvisor-ptrace-1-cover
2021/01/12 05:00 gvisor 321552f0ad36 2c1f2513 .config console log report info ci-gvisor-ptrace-2-cover
2021/01/11 22:52 gvisor 321552f0ad36 2c1f2513 .config console log report info ci-gvisor-ptrace-2-race
2021/01/11 21:36 gvisor 321552f0ad36 2c1f2513 .config console log report info ci-gvisor-ptrace-1-cover
2021/01/11 14:12 gvisor 7817e3b5e420 2c1f2513 .config console log report info ci-gvisor-kvm-cover
2021/01/11 13:11 gvisor bf343394d498 2c1f2513 .config console log report info ci-gvisor-ptrace-2
2021/01/11 10:08 gvisor bf343394d498 2c1f2513 .config console log report info ci-gvisor-ptrace-1-cover
2021/01/10 20:37 gvisor bf343394d498 2c1f2513 .config console log report info ci-gvisor-ptrace-2
2021/01/10 14:51 gvisor bf343394d498 2c1f2513 .config console log report info ci-gvisor-ptrace-2-race
2021/01/10 11:50 gvisor bf343394d498 2c1f2513 .config console log report info ci-gvisor-ptrace-2
2021/01/10 11:50 gvisor bf343394d498 2c1f2513 .config console log report info ci-gvisor-ptrace-1
2021/01/10 06:14 gvisor bf343394d498 2c1f2513 .config console log report info ci-gvisor-ptrace-2-race
2021/01/10 02:52 gvisor 7817e3b5e420 2c1f2513 .config console log report info ci-gvisor-kvm
2021/01/10 00:00 gvisor bf343394d498 2c1f2513 .config console log report info ci-gvisor-ptrace-3-cover
2021/01/09 22:51 gvisor 7817e3b5e420 2c1f2513 .config console log report info ci-gvisor-kvm-cover
2021/01/09 22:47 gvisor bf343394d498 2c1f2513 .config console log report info ci-gvisor-ptrace-3
2021/01/09 01:32 gvisor bf343394d498 c104d4a3 .config console log report info ci-gvisor-ptrace-1-race-cover
2020/12/01 22:08 gvisor 6b1dbbbdc8ec 07bfe8a5 .config console log report info ci-gvisor-kvm-direct-sandbox
* Struck through repros no longer work on HEAD.