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panic: Sentry detected stuck tasks (11)

Status: fixed on 2021/09/03 10:11
Fix commit: 9149b2cefdb5 unix: avoid taking two endpoint locks
First crash: 1720d, last: 1591d
▶ ▼ 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 1310d 1383d 14/26 fixed on 2022/06/10 10:13
gvisor panic: Sentry detected stuck tasks (9) 2 9 1778d 1778d 14/26 fixed on 2021/02/26 03:02
gvisor panic: Sentry detected stuck tasks (14) 2 20 1499d 1545d 14/26 fixed on 2021/12/02 12:02
gvisor panic: Sentry detected stuck tasks (17) 2 C 822 965d 1231d 26/26 fixed on 2023/05/19 14:28
gvisor panic: Sentry detected stuck tasks (12) 2 2 1576d 1575d 14/26 fixed on 2021/09/17 01:50
gvisor panic: Sentry detected stuck tasks (20) 2 C 895 875d 877d 26/26 fixed on 2023/08/19 00:55
gvisor panic: Sentry detected stuck tasks 2 C 506 1923d 1944d 0/26 fixed on 2020/10/03 12:41
gvisor panic: Sentry detected stuck tasks (6) 2 syz 714 1812d 1864d 14/26 fixed on 2021/01/22 19:49
gvisor panic: Sentry detected stuck tasks (7) 2 syz 2567 1780d 1812d 14/26 fixed on 2021/02/23 13:36
gvisor panic: Sentry detected stuck tasks (4) 2 C 5 1878d 1878d 0/26 fixed on 2020/11/18 07:03
gvisor panic: Sentry detected stuck tasks (22) 2 5 825d 825d 26/26 fixed on 2023/10/07 05:04
gvisor panic: Sentry detected stuck tasks (8) 2 C 64 1778d 1780d 14/26 fixed on 2021/02/25 13:46
gvisor panic: Sentry detected stuck tasks (13) 2 1 1574d 1574d 14/26 fixed on 2021/09/27 21:02
gvisor panic: Sentry detected stuck tasks (10) 2 C 264 1725d 1778d 14/26 fixed on 2021/04/20 00:15
gvisor panic: Sentry detected stuck tasks (26) 2 C 17 394d 395d 26/26 fixed on 2024/12/11 10:55
gvisor panic: Sentry detected stuck tasks (3) 2 C 180 1879d 1883d 0/26 fixed on 2020/11/17 10:52
gvisor panic: Sentry detected stuck tasks (31) 2 3 113d 155d 26/26 fixed on 2025/09/19 06:07
gvisor panic: Sentry detected stuck tasks (28) 2 C 11282 259d 363d 26/26 fixed on 2025/04/24 21:44
gvisor panic: Sentry detected stuck tasks (21) 2 64 826d 874d 26/26 fixed on 2023/10/05 23:05
gvisor panic: Sentry detected stuck tasks (2) 2 C 951 1883d 1923d 0/26 fixed on 2020/11/13 09:22
gvisor panic: Sentry detected stuck tasks (5) 2 syz 83 1865d 1877d 0/26 fixed on 2020/12/01 11:18
gvisor panic: Sentry detected stuck tasks (33) 2 C 13 52d 53d 26/26 fixed on 2025/11/19 02:01
gvisor panic: Sentry detected stuck tasks (27) 2 C 14 371d 391d 26/26 fixed on 2025/01/07 21:12
gvisor panic: Sentry detected stuck tasks (32) 2 5 60d 98d 26/26 fixed on 2025/11/12 21:14
gvisor panic: Sentry detected stuck tasks (15) 2 C 2582 1419d 1496d 14/26 fixed on 2022/02/25 14:00
gvisor panic: Sentry detected stuck tasks (34) 2 1 51d 1d09h 24/26 moderation: reported on 2026/01/08 01:43
gvisor panic: Sentry detected stuck tasks (25) 2 C 78 395d 424d 26/26 fixed on 2024/12/09 18:01
gvisor panic: Sentry detected stuck tasks (29) 2 C 51 254d 259d 26/26 fixed on 2025/04/30 13:05
gvisor panic: Sentry detected stuck tasks (24) 2 C 13 813d 819d 26/26 fixed on 2023/10/19 08:45
gvisor panic: Sentry detected stuck tasks (23) 2 C 23 820d 825d 26/26 fixed on 2023/10/12 20:28
gvisor panic: Sentry detected stuck tasks (18) 2 C 625 906d 965d 26/26 fixed on 2023/07/19 00:35

Sample crash report:
panic: Sentry detected 1 stuck task(s):
	Task tid: 197 (goroutine 3735), entered RunSys state 3m20.27s 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 16 [running]:
panic(0x1061d80, 0xc0004f44f0)
	GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc0005f7c60 sp=0xc0005f7b98 pc=0x437c65
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).doAction(0xc000588000, 0x1, 0x1, 0xc0005f7da0)
	pkg/sentry/watchdog/watchdog.go:380 +0x565 fp=0xc0005f7d30 sp=0xc0005f7c60 pc=0xbd7bc5
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).report(0xc000588000, 0xc001091110, 0x8c01, 0x67e6929e80)
	pkg/sentry/watchdog/watchdog.go:339 +0x315 fp=0xc0005f7e68 sp=0xc0005f7d30 pc=0xbd7595
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).runTurn(0xc000588000)
	pkg/sentry/watchdog/watchdog.go:321 +0x52b fp=0xc0005f7f58 sp=0xc0005f7e68 pc=0xbd71ab
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).loop(0xc000588000)
	pkg/sentry/watchdog/watchdog.go:256 +0x34 fp=0xc0005f7fd8 sp=0xc0005f7f58 pc=0xbd6bb4
runtime.goexit()
	src/runtime/asm_amd64.s:1371 +0x1 fp=0xc0005f7fe0 sp=0xc0005f7fd8 pc=0x472821
created by gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).Start
	pkg/sentry/watchdog/watchdog.go:207 +0x1b1

Crashes (31):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2021/08/14 17:32 gvisor 14d6cb4436f1 2489ab88 .config console log report syz C ci-gvisor-ptrace-2 panic: Sentry detected stuck tasks
2021/04/26 05:19 gvisor bf6456068118 33592cee .config console log report syz C ci-gvisor-ptrace-1-race panic: Sentry detected stuck tasks
2021/04/26 02:17 gvisor bf6456068118 33592cee .config console log report syz C ci-gvisor-ptrace-2-race panic: Sentry detected stuck tasks
2021/04/25 01:11 gvisor bf6456068118 17f0b706 .config console log report syz C ci-gvisor-ptrace-3-race panic: Sentry detected stuck tasks
2021/08/31 20:40 gvisor 976ac9710fad 7eb7e152 .config console log report info ci-gvisor-ptrace-2 panic: Sentry detected stuck tasks
2021/07/31 08:24 gvisor 62ea5c0a2212 6c236867 .config console log report info ci-gvisor-ptrace-2-race-cover panic: Sentry detected stuck tasks
2021/07/30 23:19 gvisor 62ea5c0a2212 6c236867 .config console log report info ci-gvisor-ptrace-1-cover panic: Sentry detected stuck tasks
2021/07/29 17:22 gvisor 095b0d834853 8a799410 .config console log report info ci-gvisor-ptrace-1-cover panic: Sentry detected stuck tasks
2021/07/28 16:37 gvisor 964fb3ca7687 9a4781d4 .config console log report info ci-gvisor-ptrace-1 panic: Sentry detected stuck tasks
2021/07/28 11:31 gvisor 964fb3ca7687 17d6ab15 .config console log report info ci-gvisor-ptrace-1 panic: Sentry detected stuck tasks
2021/07/27 18:14 gvisor 9a96e00f0fb0 17d6ab15 .config console log report info ci-gvisor-ptrace-1-race panic: Sentry detected stuck tasks
2021/07/27 18:11 gvisor 9a96e00f0fb0 17d6ab15 .config console log report info ci-gvisor-ptrace-2-race panic: Sentry detected stuck tasks
2021/07/24 18:11 gvisor 9ba8c40a3a3c 4d1b57d4 .config console log report info ci-gvisor-ptrace-2-race-cover panic: Sentry detected stuck tasks
2021/07/22 10:51 gvisor f1f746dddcc0 241790bb .config console log report info ci-gvisor-ptrace-2 panic: Sentry detected stuck tasks
2021/07/18 16:51 gvisor 5ad30cac2ede f115ae98 .config console log report info ci-gvisor-ptrace-2-race panic: Sentry detected stuck tasks
2021/07/17 05:58 gvisor 5ad30cac2ede f115ae98 .config console log report info ci-gvisor-ptrace-2-race-cover panic: Sentry detected stuck tasks
2021/07/17 02:53 gvisor 5ad30cac2ede f115ae98 .config console log report info ci-gvisor-ptrace-2-race-cover panic: Sentry detected stuck tasks
2021/07/16 12:11 gvisor 628d7d3a4662 f115ae98 .config console log report info ci-gvisor-ptrace-2-race-cover panic: Sentry detected stuck tasks
2021/07/16 05:27 gvisor 628d7d3a4662 f115ae98 .config console log report info ci-gvisor-ptrace-2-race-cover panic: Sentry detected stuck tasks
2021/07/15 11:58 gvisor d02be7858ac5 b9a2f64e .config console log report info ci-gvisor-ptrace-1-race panic: Sentry detected stuck tasks
2021/07/14 21:26 gvisor 85a0a353ad18 94e0b707 .config console log report info ci-gvisor-ptrace-2-race-cover panic: Sentry detected stuck tasks
2021/07/14 20:32 gvisor 85a0a353ad18 94e0b707 .config console log report info ci-gvisor-ptrace-2-race-cover panic: Sentry detected stuck tasks
2021/07/14 08:00 gvisor d4dce953b7ac 484502bd .config console log report info ci-gvisor-ptrace-2-race-cover panic: Sentry detected stuck tasks
2021/07/11 05:17 gvisor d78713e2da53 8f5a7b8c .config console log report info ci-gvisor-ptrace-2-race-cover panic: Sentry detected stuck tasks
2021/07/10 08:27 gvisor d78713e2da53 8f5a7b8c .config console log report info ci-gvisor-ptrace-2-race-cover panic: Sentry detected stuck tasks
2021/07/04 16:19 gvisor add8bca5ba53 55aa55c2 .config console log report info ci-gvisor-ptrace-3-race panic: Sentry detected stuck tasks
2021/06/12 09:53 gvisor b92e8ee8d674 1ba81399 .config console log report info ci-gvisor-ptrace-1-race panic: Sentry detected stuck tasks
2021/06/03 12:26 gvisor 9357b4f7eb51 0740de69 .config console log report info ci-gvisor-ptrace-2-race panic: Sentry detected stuck tasks
2021/06/02 14:51 gvisor 9357b4f7eb51 0740de69 .config console log report info ci-gvisor-ptrace-3-cover panic: Sentry detected stuck tasks
2021/04/26 06:37 gvisor bf6456068118 33592cee .config console log report info ci-gvisor-ptrace-3-race-cover panic: Sentry detected stuck tasks
2021/04/24 12:33 gvisor bf6456068118 17f0b706 .config console log report info ci-gvisor-ptrace-3-race panic: Sentry detected stuck tasks
* Struck through repros no longer work on HEAD.