panic: Sentry detected stuck tasks (29)

Status: fixed on 2025/04/30 13:05
Fix commit: 1a3d4f6eb7cc Create a separate mutex for packet mmap fields in packet endpoints.
First crash: 557d, last: 553d
▶ ▼ 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 1608d 1681d 14/26 fixed on 2022/06/10 10:13
gvisor panic: Sentry detected stuck tasks (9) 2 9 2076d 2077d 14/26 fixed on 2021/02/26 03:02
gvisor panic: Sentry detected stuck tasks (14) 2 20 1798d 1843d 14/26 fixed on 2021/12/02 12:02
gvisor panic: Sentry detected stuck tasks (17) 2 syz, C 822 1264d 1530d 26/26 fixed on 2023/05/19 14:28
gvisor panic: Sentry detected stuck tasks (12) 2 2 1874d 1874d 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 2222d 2242d 0/26 fixed on 2020/10/03 12:41
gvisor panic: Sentry detected stuck tasks (6) 2 syz 714 2111d 2162d 14/26 fixed on 2021/01/22 19:49
gvisor panic: Sentry detected stuck tasks (7) 2 syz 2567 2079d 2110d 14/26 fixed on 2021/02/23 13:36
gvisor panic: Sentry detected stuck tasks (4) 2 syz, C 5 2176d 2177d 0/26 fixed on 2020/11/18 07:03
gvisor panic: Sentry detected stuck tasks (22) 2 5 1123d 1124d 26/26 fixed on 2023/10/07 05:04
gvisor panic: Sentry detected stuck tasks (8) 2 syz, C 64 2077d 2079d 14/26 fixed on 2021/02/25 13:46
gvisor panic: Sentry detected stuck tasks (13) 2 1 1873d 1873d 14/26 fixed on 2021/09/27 21:02
gvisor panic: Sentry detected stuck tasks (10) 2 syz, C 264 2024d 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 1890d 2017d 14/26 fixed on 2021/09/03 10:11
gvisor panic: Sentry detected stuck tasks (35) 2 syz 41 203d 256d 26/26 fixed on 2026/04/14 23:49
gvisor panic: Sentry detected stuck tasks (3) 2 syz, C 180 2177d 2181d 0/26 fixed on 2020/11/17 10:52
gvisor panic: Sentry detected stuck tasks (31) 2 3 412d 453d 26/26 fixed on 2025/09/19 06:07
gvisor panic: Sentry detected stuck tasks (28) 2 syz, C 11282 558d 662d 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 2181d 2222d 0/26 fixed on 2020/11/13 09:22
gvisor panic: Sentry detected stuck tasks (5) 2 syz 83 2163d 2176d 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 5d14h 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 397d 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 293d 299d 26/26 fixed on 2026/01/14 10:50
gvisor panic: Sentry detected stuck tasks (25) 2 syz, C 78 694d 723d 26/26 fixed on 2024/12/09 18:01
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 1118d 1123d 26/26 fixed on 2023/10/12 20:28
gvisor panic: Sentry detected stuck tasks (18) 2 syz, C 625 1205d 1264d 26/26 fixed on 2023/07/19 00:35

Sample crash report:
panic: Sentry detected 2 stuck task(s):
		Task tid: 1985 (goroutine 5661), entered RunSys state 3m28.94s ago.
		Task tid: 1984 (goroutine 5709), entered RunSys state 3m28.94s 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 224 gp=0xc000185340 m=26 mp=0xc00142c008 [running]:
panic({0x1b87360?, 0xc00128a120?})
	bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc000ad1ba8 sp=0xc000ad1af8 pc=0x478888
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).doAction(0xc00022e080, 0x1, 0x1, 0xc000ad1d28)
	pkg/sentry/watchdog/watchdog.go:376 +0x4a8 fp=0xc000ad1cc0 sp=0xc000ad1ba8 pc=0x126dba8
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).report(0xc00022e080, 0xc000a4efc0, 0x1, {0x1?})
	pkg/sentry/watchdog/watchdog.go:335 +0x3d3 fp=0xc000ad1e08 sp=0xc000ad1cc0 pc=0x126d613
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).runTurn(0xc00022e080)
	pkg/sentry/watchdog/watchdog.go:317 +0x78d fp=0xc000ad1f30 sp=0xc000ad1e08 pc=0x126d08d
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).loop(0xc00022e080)
	pkg/sentry/watchdog/watchdog.go:254 +0x3b fp=0xc000ad1fc0 sp=0xc000ad1f30 pc=0x126c7db
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).Start.gowrap2()
	pkg/sentry/watchdog/watchdog.go:205 +0x34 fp=0xc000ad1fe0 sp=0xc000ad1fc0 pc=0x126c1d4
runtime.goexit({})
	src/runtime/asm_amd64.s:1700 +0x1 fp=0xc000ad1fe8 sp=0xc000ad1fe0 pc=0x481be1
created by gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).Start in goroutine 1
	pkg/sentry/watchdog/watchdog.go:205 +0x3a8

Crashes (51):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/04/26 02:41 gvisor 27f3984c948b c6b4fb39 .config console log report syz / log C ci-gvisor-systrap-1-race panic: Sentry detected stuck tasks
2025/04/26 02:29 gvisor 27f3984c948b c6b4fb39 console log report syz / log C ci-gvisor-systrap-1 panic: Sentry detected stuck tasks
2025/04/25 22:02 gvisor 73c74424ac82 c6b4fb39 .config console log report syz / log C ci-gvisor-ptrace-2-cover panic: Sentry detected stuck tasks
2025/04/25 20:04 gvisor 73c74424ac82 dea5c7e4 .config console log report syz / log C ci-gvisor-ptrace-2-race panic: Sentry detected stuck tasks
2025/04/25 20:01 gvisor 73c74424ac82 dea5c7e4 .config console log report syz / log C ci-gvisor-ptrace-1-race panic: Sentry detected stuck tasks
2025/04/25 19:59 gvisor 73c74424ac82 dea5c7e4 console log report syz / log C ci-gvisor-ptrace-2 panic: Sentry detected stuck tasks
2025/04/25 19:56 gvisor 73c74424ac82 dea5c7e4 .config console log report syz / log C ci-gvisor-ptrace-1-cover panic: Sentry detected stuck tasks
2025/04/25 19:47 gvisor 73c74424ac82 dea5c7e4 console log report syz / log C ci-gvisor-ptrace-1 panic: Sentry detected stuck tasks
2025/04/25 18:03 gvisor 73c74424ac82 dea5c7e4 .config console log report syz / log C ci-gvisor-ptrace-1-cover panic: Sentry detected stuck tasks
2025/04/25 18:01 gvisor 73c74424ac82 dea5c7e4 .config console log report syz / log C ci-gvisor-ptrace-1-race panic: Sentry detected stuck tasks
2025/04/25 18:00 gvisor 73c74424ac82 dea5c7e4 .config console log report syz / log C ci-gvisor-ptrace-2-race panic: Sentry detected stuck tasks
2025/04/25 17:58 gvisor 73c74424ac82 dea5c7e4 .config console log report syz / log C ci-gvisor-systrap-1-cover panic: Sentry detected stuck tasks
2025/04/25 17:58 gvisor 73c74424ac82 dea5c7e4 console log report syz / log C ci-gvisor-ptrace-2 panic: Sentry detected stuck tasks
2025/04/25 17:55 gvisor 73c74424ac82 dea5c7e4 console log report syz / log C ci-gvisor-ptrace-1 panic: Sentry detected stuck tasks
2025/04/25 16:39 gvisor 73c74424ac82 dea5c7e4 .config console log report syz / log C ci-gvisor-ptrace-2-race-cover panic: Sentry detected stuck tasks
2025/04/25 16:14 gvisor 73c74424ac82 dea5c7e4 .config console log report syz / log C ci-gvisor-systrap-1-race-cover panic: Sentry detected stuck tasks
2025/04/26 01:41 gvisor 27f3984c948b c6b4fb39 console log report syz / log C ci-gvisor-arm64-ptrace-1 panic: Sentry detected stuck tasks
2025/04/25 19:54 gvisor 73c74424ac82 dea5c7e4 .config console log report syz / log C ci-gvisor-arm64-ptrace-1-cover panic: Sentry detected stuck tasks
2025/04/25 19:15 gvisor 73c74424ac82 dea5c7e4 .config console log report syz / log C ci-gvisor-arm64-systrap-1-cover panic: Sentry detected stuck tasks
2025/04/25 19:08 gvisor 73c74424ac82 dea5c7e4 console log report syz / log C ci-gvisor-arm64-systrap-1 panic: Sentry detected stuck tasks
2025/04/25 17:58 gvisor 73c74424ac82 dea5c7e4 .config console log report syz / log C ci-gvisor-arm64-ptrace-1-cover panic: Sentry detected stuck tasks
2025/04/25 19:20 gvisor 73c74424ac82 dea5c7e4 .config console log report syz / log ci-gvisor-systrap-1-cover panic: Sentry detected stuck tasks
2025/04/29 19:02 gvisor 8d061298ccd2 4a62c0b1 .config console log report info ci-gvisor-systrap-1-cover panic: Sentry detected stuck tasks
2025/04/29 10:42 gvisor 8d061298ccd2 aeb6ec69 .config console log report info ci-gvisor-systrap-1-cover panic: Sentry detected stuck tasks
2025/04/29 02:38 gvisor 066d932b8e96 aeb6ec69 .config console log report info ci-gvisor-systrap-1-race panic: Sentry detected stuck tasks
2025/04/28 03:29 gvisor 90ce1abe0986 c6b4fb39 .config console log report info ci-gvisor-ptrace-2-race-cover panic: Sentry detected stuck tasks
2025/04/28 02:14 gvisor 90ce1abe0986 c6b4fb39 .config console log report info ci-gvisor-ptrace-2-race-cover panic: Sentry detected stuck tasks
2025/04/27 22:30 gvisor 90ce1abe0986 c6b4fb39 .config console log report info ci-gvisor-systrap-1-cover panic: Sentry detected stuck tasks
2025/04/27 19:35 gvisor 90ce1abe0986 c6b4fb39 .config console log report info ci-gvisor-ptrace-2-race-cover panic: Sentry detected stuck tasks
2025/04/27 14:24 gvisor 60ec4e7a009d c6b4fb39 .config console log report info ci-gvisor-ptrace-1-cover panic: Sentry detected stuck tasks
2025/04/27 03:00 gvisor 60ec4e7a009d c6b4fb39 .config console log report info ci-gvisor-systrap-1-race panic: Sentry detected stuck tasks
2025/04/27 02:15 gvisor 60ec4e7a009d c6b4fb39 .config console log report info ci-gvisor-systrap-1-cover panic: Sentry detected stuck tasks
2025/04/27 00:42 gvisor 60ec4e7a009d c6b4fb39 .config console log report info ci-gvisor-systrap-1-cover panic: Sentry detected stuck tasks
2025/04/26 17:27 gvisor 60ec4e7a009d c6b4fb39 console log report info ci-gvisor-ptrace-2 panic: Sentry detected stuck tasks
2025/04/26 10:33 gvisor 27f3984c948b c6b4fb39 .config console log report info ci-gvisor-systrap-1-race panic: Sentry detected stuck tasks
2025/04/26 09:56 gvisor 27f3984c948b c6b4fb39 .config console log report info ci-gvisor-ptrace-1-race panic: Sentry detected stuck tasks
2025/04/26 05:48 gvisor 27f3984c948b c6b4fb39 .config console log report info ci-gvisor-systrap-1-cover panic: Sentry detected stuck tasks
2025/04/26 04:45 gvisor 27f3984c948b c6b4fb39 .config console log report info ci-gvisor-ptrace-2-race-cover panic: Sentry detected stuck tasks
2025/04/26 04:11 gvisor 27f3984c948b c6b4fb39 .config console log report info ci-gvisor-ptrace-2-race panic: Sentry detected stuck tasks
2025/04/26 02:12 gvisor 27f3984c948b c6b4fb39 .config console log report info ci-gvisor-ptrace-2-race-cover panic: Sentry detected stuck tasks
2025/04/25 20:56 gvisor 73c74424ac82 c6b4fb39 .config console log report info ci-gvisor-ptrace-2-race-cover panic: Sentry detected stuck tasks
2025/04/25 20:21 gvisor 73c74424ac82 dea5c7e4 .config console log report info ci-gvisor-ptrace-2-race-cover panic: Sentry detected stuck tasks
2025/04/25 10:56 gvisor 73c74424ac82 dea5c7e4 .config console log report info ci-gvisor-systrap-1-race panic: Sentry detected stuck tasks
2025/04/25 10:52 gvisor 73c74424ac82 dea5c7e4 console log report info ci-gvisor-systrap-1 panic: Sentry detected stuck tasks
2025/04/25 06:31 gvisor fa40546ede1c e3715315 .config console log report info ci-gvisor-systrap-1-race-cover panic: Sentry detected stuck tasks
2025/04/25 05:41 gvisor fa40546ede1c e3715315 .config console log report info ci-gvisor-ptrace-2-race-cover panic: Sentry detected stuck tasks
2025/04/26 19:53 gvisor 60ec4e7a009d c6b4fb39 .config console log report info ci-gvisor-arm64-ptrace-1-cover panic: Sentry detected stuck tasks
* Struck through repros no longer work on HEAD.