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kvm: panic: Sentry detected stuck tasks (25)

Status: fixed on 2025/04/24 21:45
Fix commit: bc724d81d2f7 Avoid a deadlock in packet endpoint's Close method.
First crash: 231d, last: 136d
▶ ▼ 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 1442d 1605d 14/26 fixed on 2021/09/25 08:25
gvisor kvm: panic: Sentry detected stuck tasks (26) -1 C 3 126d 127d 0/26 closed as invalid on 2025/04/25 22:43
gvisor kvm: panic: Sentry detected stuck tasks (7) -1 1 1197d 1189d 14/26 fixed on 2022/06/09 21:04
gvisor kvm: panic: Sentry detected stuck tasks (19) -1 3 655d 654d 26/26 fixed on 2023/11/15 20:33
gvisor kvm: panic: Sentry detected stuck tasks (23) -1 1 529d 529d 0/26 auto-obsoleted due to no activity on 2024/06/25 13:36
gvisor kvm: panic: Sentry detected stuck tasks -1 C 152 1620d 1636d 14/26 fixed on 2021/03/24 13:21
gvisor kvm: panic: Sentry detected stuck tasks (24) -1 C 9 263d 306d 26/26 fixed on 2024/12/11 10:55
gvisor kvm: panic: Sentry detected stuck tasks (6) -1 15 1278d 1289d 14/26 fixed on 2022/03/01 23:36
gvisor kvm: panic: Sentry detected stuck tasks (18) -1 C 3 668d 673d 26/26 fixed on 2023/11/03 12:12
gvisor kvm: panic: Sentry detected stuck tasks (4) -1 C 627 1359d 1386d 14/26 fixed on 2021/12/10 13:30
gvisor kvm: panic: Sentry detected stuck tasks (27) -1 C 5 124d 126d 26/26 fixed on 2025/05/02 08:36
gvisor kvm: panic: Sentry detected stuck tasks (10) -1 3 1020d 1037d 14/26 fixed on 2022/11/30 11:09
gvisor kvm: panic: Sentry detected stuck tasks (22) -1 C 8 634d 644d 26/26 fixed on 2023/12/12 09:56
gvisor kvm: panic: Sentry detected stuck tasks (8) -1 1 1115d 1115d 0/26 closed as invalid on 2022/08/11 16:05
gvisor kvm: panic: Sentry detected stuck tasks (11) -1 1 1001d 1001d 0/26 closed as invalid on 2022/12/05 18:51
gvisor kvm: panic: Sentry detected stuck tasks (21) -1 C 2 649d 651d 26/26 fixed on 2023/11/21 23:47
gvisor kvm: panic: Sentry detected stuck tasks (15) -1 C 186 743d 746d 26/26 fixed on 2023/08/19 00:49
gvisor kvm: panic: Sentry detected stuck tasks (28) -1 C 11 75d 80d 26/26 fixed on 2025/07/10 09:16
gvisor kvm: panic: Sentry detected stuck tasks (20) -1 C 2 653d 653d 26/26 fixed on 2023/11/17 11:27
gvisor kvm: panic: Sentry detected stuck tasks (5) -1 C 65 1290d 1352d 14/26 fixed on 2022/02/18 08:00
gvisor kvm: panic: Sentry detected stuck tasks (9) -1 2 1086d 1087d 14/26 fixed on 2022/09/20 07:30
gvisor kvm: panic: Sentry detected stuck tasks (3) -1 1 1404d 1404d 0/26 closed as invalid on 2021/10/27 19:47
gvisor kvm: panic: Sentry detected stuck tasks (12) -1 193 812d 975d 26/26 fixed on 2023/06/10 02:45
gvisor kvm: panic: Sentry detected stuck tasks (14) -1 syz 4 758d 763d 26/26 fixed on 2023/08/08 01:03
gvisor kvm: panic: Sentry detected stuck tasks (17) -1 14 692d 722d 26/26 fixed on 2023/10/09 12:22

Sample crash report:
panic: Sentry detected 1 stuck task(s):
		Task tid: 983 (goroutine 5233), entered RunSys state 3m7.53s 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 130 gp=0xc000780540 m=9 mp=0xc0000b1508 [running]:
panic({0x1161f60?, 0xc000131200?})
	bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc0004c3c80 sp=0xc0004c3bd0 pc=0x4740c8
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).doAction(0xc0004c3da0?, 0x141eb8c?, 0x50?, 0xc0004c3da0)
	pkg/sentry/watchdog/watchdog.go:376 +0x348 fp=0xc0004c3d48 sp=0xc0004c3c80 pc=0xc5d8c8
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).report(0xc0001b0000, 0xc0012a4b70, 0x1, {0x2f?})
	pkg/sentry/watchdog/watchdog.go:335 +0x24f fp=0xc0004c3e78 sp=0xc0004c3d48 pc=0xc5d4af
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).runTurn(0xc0001b0000)
	pkg/sentry/watchdog/watchdog.go:317 +0x47c fp=0xc0004c3f58 sp=0xc0004c3e78 pc=0xc5d17c
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).loop(0xc0001b0000)
	pkg/sentry/watchdog/watchdog.go:254 +0x25 fp=0xc0004c3fc8 sp=0xc0004c3f58 pc=0xc5cc65
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).Start.gowrap2()
	pkg/sentry/watchdog/watchdog.go:205 +0x25 fp=0xc0004c3fe0 sp=0xc0004c3fc8 pc=0xc5c7c5
runtime.goexit({})
	src/runtime/asm_amd64.s:1700 +0x1 fp=0xc0004c3fe8 sp=0xc0004c3fe0 pc=0x47d181
created by gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).Start in goroutine 1
	pkg/sentry/watchdog/watchdog.go:205 +0x1d8

Crashes (3409):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/04/07 17:14 gvisor 7ff7451cb52d 2f0c9720 console log report syz / log C ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2025/01/13 14:13 gvisor 4ba931dd226e 249ceea9 .config console log report syz / log C ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2025/01/13 14:09 gvisor 4ba931dd226e 249ceea9 console log report syz / log C ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2025/01/12 17:58 gvisor 4ba931dd226e 6dbc6a9b .config console log report syz / log C ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2025/01/11 19:45 gvisor 4ba931dd226e 6dbc6a9b console log report syz / log C ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2025/04/16 18:27 gvisor b0adacc40e21 a95239b1 console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2025/04/16 16:51 gvisor b0adacc40e21 a95239b1 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2025/04/16 15:04 gvisor b0adacc40e21 a95239b1 console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2025/04/16 13:55 gvisor b0adacc40e21 a95239b1 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2025/04/16 12:30 gvisor b0adacc40e21 a95239b1 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2025/04/16 11:47 gvisor b0adacc40e21 a95239b1 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2025/04/16 10:47 gvisor b0adacc40e21 a95239b1 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2025/04/16 08:11 gvisor eae549dc581a a95239b1 console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2025/04/16 04:37 gvisor eae549dc581a a95239b1 console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2025/04/16 03:10 gvisor eae549dc581a a95239b1 console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2025/04/16 02:05 gvisor eae549dc581a a95239b1 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2025/04/16 00:42 gvisor eae549dc581a a95239b1 console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2025/04/15 23:11 gvisor eae549dc581a a95239b1 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2025/04/15 22:10 gvisor eae549dc581a a95239b1 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2025/04/15 20:58 gvisor eae549dc581a a95239b1 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2025/04/15 19:09 gvisor 56cb97e8777d 85125322 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2025/04/15 19:04 gvisor 56cb97e8777d 85125322 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2025/04/15 17:40 gvisor 56cb97e8777d 85125322 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2025/04/15 15:54 gvisor 56cb97e8777d 85125322 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2025/04/15 14:02 gvisor 56cb97e8777d 85125322 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2025/04/15 12:46 gvisor 56cb97e8777d 85125322 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2025/04/15 11:46 gvisor 56cb97e8777d 85125322 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2025/04/15 11:40 gvisor 56cb97e8777d 85125322 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2025/04/15 10:37 gvisor 56cb97e8777d 85125322 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2025/04/15 09:34 gvisor 56cb97e8777d 85125322 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2025/04/15 07:06 gvisor 56cb97e8777d 0bd6db41 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2025/04/15 05:44 gvisor 56cb97e8777d 0bd6db41 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2025/04/15 04:23 gvisor 56cb97e8777d 0bd6db41 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2025/04/15 03:10 gvisor 9cc0e9f85e6f 0bd6db41 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2025/04/15 02:01 gvisor 9cc0e9f85e6f 0bd6db41 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2025/04/15 00:42 gvisor 9cc0e9f85e6f 0bd6db41 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2025/04/15 00:32 gvisor 9cc0e9f85e6f 0bd6db41 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2025/04/14 22:38 gvisor 9cc0e9f85e6f 0bd6db41 console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2025/04/14 21:19 gvisor 9cc0e9f85e6f 0bd6db41 console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
2025/04/14 20:10 gvisor 9cc0e9f85e6f 0bd6db41 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2025/04/14 19:01 gvisor 9cc0e9f85e6f 0bd6db41 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2025/04/14 17:09 gvisor 9cc0e9f85e6f 0bd6db41 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2025/04/14 16:01 gvisor 9cc0e9f85e6f 0bd6db41 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2025/04/14 14:30 gvisor 9cc0e9f85e6f 0bd6db41 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2025/04/14 13:03 gvisor 9cc0e9f85e6f 0bd6db41 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2025/04/14 12:03 gvisor 9cc0e9f85e6f 0bd6db41 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2025/04/14 09:15 gvisor 9cc0e9f85e6f 0bd6db41 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2025/04/14 07:42 gvisor 9cc0e9f85e6f 0bd6db41 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2025/04/14 06:23 gvisor 9cc0e9f85e6f 0bd6db41 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2025/04/14 04:47 gvisor 9cc0e9f85e6f 0bd6db41 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2025/04/14 03:43 gvisor 9cc0e9f85e6f 0bd6db41 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2025/04/14 02:29 gvisor 9cc0e9f85e6f 0bd6db41 .config console log report info ci-gvisor-kvm-cover kvm: panic: Sentry detected stuck tasks
2025/04/05 20:29 gvisor 7ff7451cb52d 1c65791e console log report info ci-gvisor-kvm kvm: panic: Sentry detected stuck tasks
* Struck through repros no longer work on HEAD.