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panic: Sentry detected stuck tasks (13)

Status: fixed on 2021/09/27 21:02
Fix commit: 4076153be684 Fix lock ordering violation
First crash: 974d, last: 974d
▶ ▼ Similar bugs (22)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
gvisor panic: Sentry detected stuck tasks (16) 5 709d 782d 14/26 fixed on 2022/06/10 10:13
gvisor panic: Sentry detected stuck tasks (9) 9 1177d 1178d 14/26 fixed on 2021/02/26 03:02
gvisor panic: Sentry detected stuck tasks (14) 20 899d 944d 14/26 fixed on 2021/12/02 12:02
gvisor panic: Sentry detected stuck tasks (17) C 822 365d 631d 26/26 fixed on 2023/05/19 14:28
gvisor panic: Sentry detected stuck tasks (12) 2 975d 975d 14/26 fixed on 2021/09/17 01:50
gvisor panic: Sentry detected stuck tasks (20) C 895 274d 277d 26/26 fixed on 2023/08/19 00:55
gvisor panic: Sentry detected stuck tasks C 506 1323d 1343d 0/26 fixed on 2020/10/03 12:41
gvisor panic: Sentry detected stuck tasks (6) syz 714 1212d 1264d 14/26 fixed on 2021/01/22 19:49
gvisor panic: Sentry detected stuck tasks (7) syz 2567 1180d 1211d 14/26 fixed on 2021/02/23 13:36
gvisor panic: Sentry detected stuck tasks (4) C 5 1277d 1278d 0/26 fixed on 2020/11/18 07:03
gvisor panic: Sentry detected stuck tasks (22) 5 224d 225d 26/26 fixed on 2023/10/07 05:04
gvisor panic: Sentry detected stuck tasks (8) C 64 1178d 1180d 14/26 fixed on 2021/02/25 13:46
gvisor panic: Sentry detected stuck tasks (10) C 264 1125d 1177d 14/26 fixed on 2021/04/20 00:15
gvisor panic: Sentry detected stuck tasks (11) C 31 991d 1118d 14/26 fixed on 2021/09/03 10:11
gvisor panic: Sentry detected stuck tasks (3) C 180 1278d 1282d 0/26 fixed on 2020/11/17 10:52
gvisor panic: Sentry detected stuck tasks (21) 64 226d 273d 26/26 fixed on 2023/10/05 23:05
gvisor panic: Sentry detected stuck tasks (2) C 951 1282d 1323d 0/26 fixed on 2020/11/13 09:22
gvisor panic: Sentry detected stuck tasks (5) syz 83 1264d 1277d 0/26 fixed on 2020/12/01 11:18
gvisor panic: Sentry detected stuck tasks (15) C 2582 818d 895d 14/26 fixed on 2022/02/25 14:00
gvisor panic: Sentry detected stuck tasks (24) C 13 212d 218d 26/26 fixed on 2023/10/19 08:45
gvisor panic: Sentry detected stuck tasks (23) C 23 219d 224d 26/26 fixed on 2023/10/12 20:28
gvisor panic: Sentry detected stuck tasks (18) C 625 306d 365d 26/26 fixed on 2023/07/19 00:35

Sample crash report:
panic: Sentry detected 2 stuck task(s):
	Task tid: 8946 (goroutine 166019), entered RunSys state 3m30.3s ago.
	Task tid: 8961 (goroutine 166125), entered RunSys state 3m30.3s 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 246 [running]:
panic(0x10776a0, 0xc00b552410)
	GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc00922bc60 sp=0xc00922bb98 pc=0x437c65
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).doAction(0xc00060c000, 0x1, 0x1, 0xc00922bda0)
	pkg/sentry/watchdog/watchdog.go:380 +0x565 fp=0xc00922bd30 sp=0xc00922bc60 pc=0xbe0fc5
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).report(0xc00060c000, 0xc0037f40c0, 0xd601, 0xa7ae12b500)
	pkg/sentry/watchdog/watchdog.go:339 +0x315 fp=0xc00922be68 sp=0xc00922bd30 pc=0xbe0995
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).runTurn(0xc00060c000)
	pkg/sentry/watchdog/watchdog.go:321 +0x52b fp=0xc00922bf58 sp=0xc00922be68 pc=0xbe05ab
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).loop(0xc00060c000)
	pkg/sentry/watchdog/watchdog.go:256 +0x34 fp=0xc00922bfd8 sp=0xc00922bf58 pc=0xbdffb4
runtime.goexit()
	src/runtime/asm_amd64.s:1371 +0x1 fp=0xc00922bfe0 sp=0xc00922bfd8 pc=0x472821
created by gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).Start
	pkg/sentry/watchdog/watchdog.go:207 +0x1b1

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2021/09/17 11:50 gvisor 51b96514cd93 5b989942 .config console log report info ci-gvisor-ptrace-1 panic: Sentry detected stuck tasks
* Struck through repros no longer work on HEAD.