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panic: Sentry detected stuck tasks (20)

Status: fixed on 2023/08/19 00:55
Reported-by: syzbot+e4539e6de7c0e6afed86@syzkaller.appspotmail.com
Fix commit: 960b564a6840 Fix small mount propagation bug.
First crash: 475d, last: 466d
▶ ▼ Similar bugs (22)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
gvisor panic: Sentry detected stuck tasks (16) 5 901d 974d 14/26 fixed on 2022/06/10 10:13
gvisor panic: Sentry detected stuck tasks (9) 9 1369d 1370d 14/26 fixed on 2021/02/26 03:02
gvisor panic: Sentry detected stuck tasks (14) 20 1090d 1136d 14/26 fixed on 2021/12/02 12:02
gvisor panic: Sentry detected stuck tasks (17) C 822 557d 822d 26/26 fixed on 2023/05/19 14:28
gvisor panic: Sentry detected stuck tasks (12) 2 1167d 1167d 14/26 fixed on 2021/09/17 01:50
gvisor panic: Sentry detected stuck tasks C 506 1515d 1535d 0/26 fixed on 2020/10/03 12:41
gvisor panic: Sentry detected stuck tasks (6) syz 714 1404d 1455d 14/26 fixed on 2021/01/22 19:49
gvisor panic: Sentry detected stuck tasks (7) syz 2567 1372d 1403d 14/26 fixed on 2021/02/23 13:36
gvisor panic: Sentry detected stuck tasks (4) C 5 1469d 1470d 0/26 fixed on 2020/11/18 07:03
gvisor panic: Sentry detected stuck tasks (22) 5 416d 417d 26/26 fixed on 2023/10/07 05:04
gvisor panic: Sentry detected stuck tasks (8) C 64 1370d 1371d 14/26 fixed on 2021/02/25 13:46
gvisor panic: Sentry detected stuck tasks (13) 1 1166d 1166d 14/26 fixed on 2021/09/27 21:02
gvisor panic: Sentry detected stuck tasks (10) C 264 1316d 1369d 14/26 fixed on 2021/04/20 00:15
gvisor panic: Sentry detected stuck tasks (11) C 31 1182d 1309d 14/26 fixed on 2021/09/03 10:11
gvisor panic: Sentry detected stuck tasks (3) C 180 1470d 1474d 0/26 fixed on 2020/11/17 10:52
gvisor panic: Sentry detected stuck tasks (21) 64 417d 465d 26/26 fixed on 2023/10/05 23:05
gvisor panic: Sentry detected stuck tasks (2) C 951 1474d 1515d 0/26 fixed on 2020/11/13 09:22
gvisor panic: Sentry detected stuck tasks (5) syz 83 1456d 1469d 0/26 fixed on 2020/12/01 11:18
gvisor panic: Sentry detected stuck tasks (15) C 2582 1010d 1087d 14/26 fixed on 2022/02/25 14:00
gvisor panic: Sentry detected stuck tasks (24) C 13 404d 410d 26/26 fixed on 2023/10/19 08:45
gvisor panic: Sentry detected stuck tasks (23) C 23 411d 416d 26/26 fixed on 2023/10/12 20:28
gvisor panic: Sentry detected stuck tasks (18) C 625 498d 556d 26/26 fixed on 2023/07/19 00:35

Sample crash report:
panic: Sentry detected 1 stuck task(s):
	Task tid: 7 (goroutine 295), entered RunSys state 3m32.73s 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 118 [running]:
panic({0x2b8160, 0xc0002fe980})
	GOROOT/src/runtime/panic.go:987 +0x3bb fp=0xc0008efb70 sp=0xc0008efab0 pc=0x132f93b
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).doAction(0xc0002ec600, 0x1, 0x1, 0xc0008efd10)
	pkg/sentry/watchdog/watchdog.go:379 +0x499 fp=0xc0008efc88 sp=0xc0008efb70 pc=0x1ecd899
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).report(0xc0002ec600, 0xc000885110, 0x0?, {0x1?})
	pkg/sentry/watchdog/watchdog.go:338 +0x31d fp=0xc0008efdd8 sp=0xc0008efc88 pc=0x1ecd2fd
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).runTurn(0xc0002ec600)
	pkg/sentry/watchdog/watchdog.go:320 +0x7bb fp=0xc0008eff30 sp=0xc0008efdd8 pc=0x1ecce3b
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).loop(0xc0002ec600)
	pkg/sentry/watchdog/watchdog.go:255 +0x4a fp=0xc0008effc0 sp=0xc0008eff30 pc=0x1ecc54a
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).Start.func2()
	pkg/sentry/watchdog/watchdog.go:206 +0x3a fp=0xc0008effe0 sp=0xc0008effc0 pc=0x1ecbeba
runtime.goexit()
	src/runtime/asm_amd64.s:1598 +0x1 fp=0xc0008effe8 sp=0xc0008effe0 pc=0x13688c1
created by gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).Start
	pkg/sentry/watchdog/watchdog.go:206 +0x3a6

Crashes (895):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/08/16 22:59 gvisor 8f0c59c3fa00 c89b162d .config console log report syz C ci-gvisor-ptrace-2-race panic: Sentry detected stuck tasks
2023/08/16 20:30 gvisor 8f0c59c3fa00 c89b162d .config console log report syz C ci-gvisor-systrap-1-race panic: Sentry detected stuck tasks
2023/08/16 20:26 gvisor 8f0c59c3fa00 c89b162d .config console log report syz C ci-gvisor-ptrace-2-race panic: Sentry detected stuck tasks
2023/08/16 11:47 gvisor 16dc811cb73d 39990d51 .config console log report syz C ci-gvisor-systrap-1-race panic: Sentry detected stuck tasks
2023/08/16 11:45 gvisor 16dc811cb73d 39990d51 .config console log report syz C ci-gvisor-ptrace-2-race panic: Sentry detected stuck tasks
2023/08/16 11:32 gvisor 16dc811cb73d 39990d51 .config console log report syz C ci-gvisor-ptrace-1-race panic: Sentry detected stuck tasks
2023/08/16 10:52 gvisor 16dc811cb73d 39990d51 console log report syz C ci-gvisor-ptrace-2 panic: Sentry detected stuck tasks
2023/08/16 10:51 gvisor 9ca09375e4ba 39990d51 .config console log report syz C ci-gvisor-ptrace-2-cover panic: Sentry detected stuck tasks
2023/08/16 10:45 gvisor 16dc811cb73d 39990d51 .config console log report syz C ci-gvisor-ptrace-3-race panic: Sentry detected stuck tasks
2023/08/16 10:32 gvisor 16dc811cb73d 39990d51 console log report syz C ci-gvisor-ptrace-1 panic: Sentry detected stuck tasks
2023/08/16 10:27 gvisor 9ca09375e4ba 39990d51 .config console log report syz C ci-gvisor-ptrace-1-cover panic: Sentry detected stuck tasks
2023/08/16 09:58 gvisor 16dc811cb73d 39990d51 console log report syz C ci-gvisor-ptrace-3 panic: Sentry detected stuck tasks
2023/08/16 09:18 gvisor 16dc811cb73d 39990d51 .config console log report syz C ci-gvisor-systrap-1-race panic: Sentry detected stuck tasks
2023/08/16 09:14 gvisor 16dc811cb73d 39990d51 .config console log report syz C ci-gvisor-ptrace-2-race panic: Sentry detected stuck tasks
2023/08/16 08:54 gvisor 16dc811cb73d 39990d51 .config console log report syz C ci-gvisor-ptrace-1-race panic: Sentry detected stuck tasks
2023/08/16 07:46 gvisor 9ca09375e4ba 39990d51 .config console log report syz C ci-gvisor-ptrace-3-cover panic: Sentry detected stuck tasks
2023/08/16 07:40 gvisor 9ca09375e4ba 39990d51 .config console log report syz C ci-gvisor-ptrace-2-cover panic: Sentry detected stuck tasks
2023/08/16 07:37 gvisor 16dc811cb73d 39990d51 .config console log report syz C ci-gvisor-ptrace-3-race panic: Sentry detected stuck tasks
2023/08/16 07:33 gvisor 16dc811cb73d 39990d51 console log report syz C ci-gvisor-ptrace-1 panic: Sentry detected stuck tasks
2023/08/16 07:21 gvisor 16dc811cb73d 39990d51 console log report syz C ci-gvisor-ptrace-2 panic: Sentry detected stuck tasks
2023/08/16 07:21 gvisor 16dc811cb73d 39990d51 .config console log report syz C ci-gvisor-ptrace-1-race-cover panic: Sentry detected stuck tasks
2023/08/16 07:19 gvisor 9ca09375e4ba 39990d51 .config console log report syz C ci-gvisor-ptrace-1-cover panic: Sentry detected stuck tasks
2023/08/16 07:17 gvisor 16dc811cb73d 39990d51 console log report syz C ci-gvisor-ptrace-3 panic: Sentry detected stuck tasks
2023/08/16 06:55 gvisor 9ca09375e4ba 39990d51 .config console log report syz C ci-gvisor-ptrace-3-race-cover panic: Sentry detected stuck tasks
2023/08/16 06:46 gvisor 9ca09375e4ba 39990d51 console log report syz C ci-gvisor-systrap-1 panic: Sentry detected stuck tasks
2023/08/16 06:36 gvisor 9ca09375e4ba 39990d51 .config console log report syz C ci-gvisor-ptrace-2-race-cover panic: Sentry detected stuck tasks
2023/08/16 06:36 gvisor 16dc811cb73d 39990d51 .config console log report syz C ci-gvisor-systrap-1-race-cover panic: Sentry detected stuck tasks
2023/08/16 06:31 gvisor 16dc811cb73d 39990d51 .config console log report syz C ci-gvisor-ptrace-1-race panic: Sentry detected stuck tasks
2023/08/16 06:25 gvisor 16dc811cb73d 39990d51 .config console log report syz C ci-gvisor-systrap-1-race panic: Sentry detected stuck tasks
2023/08/16 05:55 gvisor 16dc811cb73d 39990d51 .config console log report syz C ci-gvisor-ptrace-2-race panic: Sentry detected stuck tasks
2023/08/16 05:07 gvisor 16dc811cb73d 39990d51 .config console log report syz C ci-gvisor-ptrace-3-race panic: Sentry detected stuck tasks
2023/08/16 05:06 gvisor 9ca09375e4ba 39990d51 .config console log report syz C ci-gvisor-ptrace-2-cover panic: Sentry detected stuck tasks
2023/08/16 05:05 gvisor 9ca09375e4ba 39990d51 .config console log report syz C ci-gvisor-ptrace-3-cover panic: Sentry detected stuck tasks
2023/08/16 05:02 gvisor 16dc811cb73d 39990d51 console log report syz C ci-gvisor-ptrace-1 panic: Sentry detected stuck tasks
2023/08/16 04:56 gvisor 9ca09375e4ba 39990d51 .config console log report syz C ci-gvisor-systrap-1-cover panic: Sentry detected stuck tasks
2023/08/16 04:55 gvisor 9ca09375e4ba 39990d51 .config console log report syz C ci-gvisor-ptrace-1-cover panic: Sentry detected stuck tasks
2023/08/16 04:43 gvisor 9ca09375e4ba 39990d51 .config console log report syz C ci-gvisor-ptrace-3-race-cover panic: Sentry detected stuck tasks
2023/08/16 04:37 gvisor 16dc811cb73d 39990d51 .config console log report syz C ci-gvisor-ptrace-1-race-cover panic: Sentry detected stuck tasks
2023/08/16 04:31 gvisor 16dc811cb73d 39990d51 console log report syz C ci-gvisor-ptrace-2 panic: Sentry detected stuck tasks
2023/08/16 04:17 gvisor 16dc811cb73d 39990d51 console log report syz C ci-gvisor-ptrace-3 panic: Sentry detected stuck tasks
2023/08/16 04:01 gvisor 16dc811cb73d 39990d51 .config console log report syz C ci-gvisor-systrap-1-race-cover panic: Sentry detected stuck tasks
2023/08/16 03:58 gvisor 9ca09375e4ba 39990d51 console log report syz C ci-gvisor-systrap-1 panic: Sentry detected stuck tasks
2023/08/16 03:50 gvisor 9ca09375e4ba 39990d51 .config console log report syz C ci-gvisor-ptrace-2-race-cover panic: Sentry detected stuck tasks
2023/08/16 02:31 gvisor 9ca09375e4ba 39990d51 .config console log report syz C ci-gvisor-ptrace-3-cover panic: Sentry detected stuck tasks
2023/08/16 02:26 gvisor 16dc811cb73d 39990d51 .config console log report syz C ci-gvisor-ptrace-1-race-cover panic: Sentry detected stuck tasks
2023/08/16 02:19 gvisor 9ca09375e4ba 39990d51 .config console log report syz C ci-gvisor-systrap-1-cover panic: Sentry detected stuck tasks
2023/08/15 22:53 gvisor 6a4a48e6db20 39990d51 .config console log report syz C ci-gvisor-ptrace-1-race panic: Sentry detected stuck tasks
2023/08/16 07:10 gvisor 9ca09375e4ba 39990d51 .config console log report syz C ci-gvisor-arm64-ptrace-1-cover panic: Sentry detected stuck tasks
2023/08/15 22:01 gvisor 6a4a48e6db20 39990d51 .config console log report syz C ci-gvisor-arm64-systrap-1-cover panic: Sentry detected stuck tasks
2023/08/15 13:04 gvisor 6a4a48e6db20 39990d51 console log report syz C ci-gvisor-arm64-systrap-1 panic: Sentry detected stuck tasks
2023/08/18 07:17 gvisor dc0093bb24ff 74b106b6 .config console log report info ci-gvisor-ptrace-2-race panic: Sentry detected stuck tasks
2023/08/18 06:11 gvisor dc0093bb24ff 74b106b6 console log report info ci-gvisor-ptrace-2 panic: Sentry detected stuck tasks
2023/08/18 05:49 gvisor dc0093bb24ff 74b106b6 .config console log report info ci-gvisor-ptrace-3-race panic: Sentry detected stuck tasks
2023/08/18 04:41 gvisor dc0093bb24ff 74b106b6 .config console log report info ci-gvisor-ptrace-2-race panic: Sentry detected stuck tasks
2023/08/18 03:52 gvisor dc0093bb24ff 74b106b6 .config console log report info ci-gvisor-ptrace-2-race panic: Sentry detected stuck tasks
2023/08/18 02:51 gvisor dc0093bb24ff 74b106b6 console log report info ci-gvisor-ptrace-3 panic: Sentry detected stuck tasks
2023/08/18 00:51 gvisor dc0093bb24ff 74b106b6 console log report info ci-gvisor-systrap-1 panic: Sentry detected stuck tasks
2023/08/17 23:01 gvisor dc0093bb24ff 74b106b6 console log report info ci-gvisor-ptrace-3 panic: Sentry detected stuck tasks
2023/08/17 21:48 gvisor dc0093bb24ff 74b106b6 .config console log report info ci-gvisor-ptrace-3-race panic: Sentry detected stuck tasks
2023/08/17 21:27 gvisor dc0093bb24ff 74b106b6 .config console log report info ci-gvisor-ptrace-3-race panic: Sentry detected stuck tasks
2023/08/17 20:26 gvisor dc0093bb24ff 74b106b6 console log report info ci-gvisor-systrap-1 panic: Sentry detected stuck tasks
2023/08/17 16:49 gvisor 8f0c59c3fa00 c89b162d console log report info ci-gvisor-ptrace-1 panic: Sentry detected stuck tasks
2023/08/17 16:04 gvisor 8f0c59c3fa00 c89b162d console log report info ci-gvisor-systrap-1 panic: Sentry detected stuck tasks
2023/08/17 15:21 gvisor 8f0c59c3fa00 c89b162d .config console log report info ci-gvisor-systrap-1-race panic: Sentry detected stuck tasks
2023/08/17 14:04 gvisor 8f0c59c3fa00 c89b162d console log report info ci-gvisor-systrap-1 panic: Sentry detected stuck tasks
2023/08/17 13:12 gvisor 8f0c59c3fa00 c89b162d console log report info ci-gvisor-ptrace-3 panic: Sentry detected stuck tasks
2023/08/17 13:01 gvisor 8f0c59c3fa00 c89b162d .config console log report info ci-gvisor-ptrace-3-race panic: Sentry detected stuck tasks
2023/08/17 11:06 gvisor 8f0c59c3fa00 c89b162d .config console log report info ci-gvisor-ptrace-1-race panic: Sentry detected stuck tasks
2023/08/17 10:11 gvisor 8f0c59c3fa00 c89b162d .config console log report info ci-gvisor-ptrace-3-race panic: Sentry detected stuck tasks
2023/08/17 08:53 gvisor 8f0c59c3fa00 c89b162d .config console log report info ci-gvisor-ptrace-3-race panic: Sentry detected stuck tasks
2023/08/17 08:34 gvisor 8f0c59c3fa00 c89b162d console log report info ci-gvisor-ptrace-2 panic: Sentry detected stuck tasks
2023/08/17 07:31 gvisor 8f0c59c3fa00 c89b162d .config console log report info ci-gvisor-ptrace-3-race panic: Sentry detected stuck tasks
2023/08/17 06:43 gvisor 8f0c59c3fa00 c89b162d .config console log report info ci-gvisor-ptrace-3-race panic: Sentry detected stuck tasks
2023/08/17 06:07 gvisor 8f0c59c3fa00 c89b162d .config console log report info ci-gvisor-ptrace-3-race panic: Sentry detected stuck tasks
2023/08/17 05:10 gvisor 8f0c59c3fa00 c89b162d .config console log report info ci-gvisor-ptrace-1-race-cover panic: Sentry detected stuck tasks
2023/08/17 04:54 gvisor 8f0c59c3fa00 c89b162d console log report info ci-gvisor-ptrace-1 panic: Sentry detected stuck tasks
2023/08/17 03:42 gvisor 8f0c59c3fa00 c89b162d console log report info ci-gvisor-systrap-1 panic: Sentry detected stuck tasks
2023/08/17 03:15 gvisor 8f0c59c3fa00 c89b162d .config console log report info ci-gvisor-ptrace-3-race panic: Sentry detected stuck tasks
2023/08/17 02:10 gvisor 8f0c59c3fa00 c89b162d console log report info ci-gvisor-ptrace-3 panic: Sentry detected stuck tasks
2023/08/17 01:48 gvisor 8f0c59c3fa00 c89b162d console log report info ci-gvisor-systrap-1 panic: Sentry detected stuck tasks
2023/08/17 00:39 gvisor 8f0c59c3fa00 c89b162d console log report info ci-gvisor-ptrace-2 panic: Sentry detected stuck tasks
2023/08/16 23:44 gvisor 8f0c59c3fa00 c89b162d .config console log report info ci-gvisor-systrap-1-race panic: Sentry detected stuck tasks
2023/08/16 22:50 gvisor 8f0c59c3fa00 c89b162d .config console log report info ci-gvisor-ptrace-3-race panic: Sentry detected stuck tasks
2023/08/16 21:45 gvisor 8f0c59c3fa00 c89b162d console log report info ci-gvisor-ptrace-3 panic: Sentry detected stuck tasks
2023/08/16 21:35 gvisor 8f0c59c3fa00 c89b162d console log report info ci-gvisor-ptrace-3 panic: Sentry detected stuck tasks
2023/08/16 20:16 gvisor 8f0c59c3fa00 c89b162d console log report info ci-gvisor-ptrace-1 panic: Sentry detected stuck tasks
2023/08/16 20:00 gvisor 8f0c59c3fa00 c89b162d console log report info ci-gvisor-systrap-1 panic: Sentry detected stuck tasks
2023/08/16 18:56 gvisor 8f0c59c3fa00 c89b162d console log report info ci-gvisor-ptrace-1 panic: Sentry detected stuck tasks
2023/08/16 17:55 gvisor 8f0c59c3fa00 c89b162d console log report info ci-gvisor-ptrace-1 panic: Sentry detected stuck tasks
2023/08/16 17:18 gvisor 8f0c59c3fa00 c89b162d console log report info ci-gvisor-systrap-1 panic: Sentry detected stuck tasks
2023/08/16 16:09 gvisor 8f0c59c3fa00 c89b162d console log report info ci-gvisor-ptrace-3 panic: Sentry detected stuck tasks
2023/08/16 15:25 gvisor 8f0c59c3fa00 c89b162d console log report info ci-gvisor-ptrace-3 panic: Sentry detected stuck tasks
2023/08/16 14:22 gvisor 8f0c59c3fa00 c89b162d .config console log report info ci-gvisor-systrap-1-cover panic: Sentry detected stuck tasks
2023/08/16 14:18 gvisor 8f0c59c3fa00 c89b162d .config console log report info ci-gvisor-ptrace-1-race-cover panic: Sentry detected stuck tasks
2023/08/16 13:16 gvisor 8f0c59c3fa00 c89b162d .config console log report info ci-gvisor-ptrace-1-race-cover panic: Sentry detected stuck tasks
2023/08/18 01:55 gvisor 8f0c59c3fa00 74b106b6 console log report info ci-gvisor-arm64-systrap-1 panic: Sentry detected stuck tasks
2023/08/18 00:01 gvisor 8f0c59c3fa00 74b106b6 console log report info ci-gvisor-arm64-ptrace-1 panic: Sentry detected stuck tasks
2023/08/17 22:51 gvisor 8f0c59c3fa00 74b106b6 console log report info ci-gvisor-arm64-systrap-1 panic: Sentry detected stuck tasks
2023/08/17 19:48 gvisor 8f0c59c3fa00 74b106b6 console log report info ci-gvisor-arm64-ptrace-1 panic: Sentry detected stuck tasks
2023/08/17 18:39 gvisor 8f0c59c3fa00 74b106b6 console log report info ci-gvisor-arm64-systrap-1 panic: Sentry detected stuck tasks
2023/08/17 17:37 gvisor 8f0c59c3fa00 74b106b6 console log report info ci-gvisor-arm64-ptrace-1 panic: Sentry detected stuck tasks
2023/08/17 15:06 gvisor 8f0c59c3fa00 74b106b6 console log report info ci-gvisor-arm64-systrap-1 panic: Sentry detected stuck tasks
2023/08/17 11:58 gvisor 9ca09375e4ba 39990d51 console log report info ci-gvisor-arm64-ptrace-1 panic: Sentry detected stuck tasks
2023/08/16 11:00 gvisor 9ca09375e4ba 39990d51 console log report info ci-gvisor-arm64-ptrace-1 panic: Sentry detected stuck tasks
* Struck through repros no longer work on HEAD.