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panic: Sentry detected stuck tasks (17)

Status: fixed on 2023/05/19 14:28
Reported-by: syzbot+6366a972a817d9165a11@syzkaller.appspotmail.com
Fix commit: ed528835f753 Small circular lock fix.
First crash: 656d, last: 372d
▶ ▼ Similar bugs (22)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
gvisor panic: Sentry detected stuck tasks (16) 5 717d 790d 14/26 fixed on 2022/06/10 10:13
gvisor panic: Sentry detected stuck tasks (9) 9 1185d 1185d 14/26 fixed on 2021/02/26 03:02
gvisor panic: Sentry detected stuck tasks (14) 20 906d 952d 14/26 fixed on 2021/12/02 12:02
gvisor panic: Sentry detected stuck tasks (12) 2 983d 982d 14/26 fixed on 2021/09/17 01:50
gvisor panic: Sentry detected stuck tasks (20) C 895 282d 284d 26/26 fixed on 2023/08/19 00:55
gvisor panic: Sentry detected stuck tasks C 506 1331d 1351d 0/26 fixed on 2020/10/03 12:41
gvisor panic: Sentry detected stuck tasks (6) syz 714 1219d 1271d 14/26 fixed on 2021/01/22 19:49
gvisor panic: Sentry detected stuck tasks (7) syz 2567 1187d 1219d 14/26 fixed on 2021/02/23 13:36
gvisor panic: Sentry detected stuck tasks (4) C 5 1285d 1285d 0/26 fixed on 2020/11/18 07:03
gvisor panic: Sentry detected stuck tasks (22) 5 232d 232d 26/26 fixed on 2023/10/07 05:04
gvisor panic: Sentry detected stuck tasks (8) C 64 1185d 1187d 14/26 fixed on 2021/02/25 13:46
gvisor panic: Sentry detected stuck tasks (13) 1 982d 981d 14/26 fixed on 2021/09/27 21:02
gvisor panic: Sentry detected stuck tasks (10) C 264 1132d 1185d 14/26 fixed on 2021/04/20 00:15
gvisor panic: Sentry detected stuck tasks (11) C 31 998d 1125d 14/26 fixed on 2021/09/03 10:11
gvisor panic: Sentry detected stuck tasks (3) C 180 1286d 1290d 0/26 fixed on 2020/11/17 10:52
gvisor panic: Sentry detected stuck tasks (21) 64 233d 281d 26/26 fixed on 2023/10/05 23:05
gvisor panic: Sentry detected stuck tasks (2) C 951 1290d 1330d 0/26 fixed on 2020/11/13 09:22
gvisor panic: Sentry detected stuck tasks (5) syz 83 1272d 1285d 0/26 fixed on 2020/12/01 11:18
gvisor panic: Sentry detected stuck tasks (15) C 2582 826d 903d 14/26 fixed on 2022/02/25 14:00
gvisor panic: Sentry detected stuck tasks (24) C 13 220d 226d 26/26 fixed on 2023/10/19 08:45
gvisor panic: Sentry detected stuck tasks (23) C 23 227d 232d 26/26 fixed on 2023/10/12 20:28
gvisor panic: Sentry detected stuck tasks (18) C 625 314d 372d 26/26 fixed on 2023/07/19 00:35

Sample crash report:
panic: Sentry detected 1 stuck task(s):
	Task tid: 9 (goroutine 139), entered RunSys state 3m30.96s 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 152 [running]:
panic({0x11dafe0, 0xc0007b8c50})
	GOROOT/src/runtime/panic.go:987 +0x3bb fp=0xc000351c90 sp=0xc000351bd0 pc=0x436b9b
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).doAction(0xc000351db8?, 0x1459638?, 0x50?, 0xc000351db8)
	pkg/sentry/watchdog/watchdog.go:379 +0x3a5 fp=0xc000351d50 sp=0xc000351c90 pc=0xbef645
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).report(0xc000526380, 0xc0006a5620, 0x0?, {0x0?})
	pkg/sentry/watchdog/watchdog.go:338 +0x291 fp=0xc000351e80 sp=0xc000351d50 pc=0xbef1b1
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).runTurn(0xc000526380)
	pkg/sentry/watchdog/watchdog.go:320 +0x598 fp=0xc000351f58 sp=0xc000351e80 pc=0xbeee18
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).loop(0xc000526380)
	pkg/sentry/watchdog/watchdog.go:255 +0x3d fp=0xc000351fc8 sp=0xc000351f58 pc=0xbee7bd
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).Start.func2()
	pkg/sentry/watchdog/watchdog.go:206 +0x26 fp=0xc000351fe0 sp=0xc000351fc8 pc=0xbee2a6
runtime.goexit()
	src/runtime/asm_amd64.s:1598 +0x1 fp=0xc000351fe8 sp=0xc000351fe0 pc=0x46d641
created by gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).Start
	pkg/sentry/watchdog/watchdog.go:206 +0x1ef

Crashes (822):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/05/18 11:14 gvisor 116f28e9c5f6 3bb7af1d .config console log report syz C ci-gvisor-ptrace-3-cover panic: Sentry detected stuck tasks
2023/05/18 11:14 gvisor 116f28e9c5f6 3bb7af1d .config console log report syz C ci-gvisor-ptrace-3-race panic: Sentry detected stuck tasks
2023/05/18 10:41 gvisor 116f28e9c5f6 3bb7af1d .config console log report syz C ci-gvisor-ptrace-3-race-cover panic: Sentry detected stuck tasks
2023/05/18 10:36 gvisor 116f28e9c5f6 3bb7af1d .config console log report syz C ci-gvisor-systrap-1-race-cover panic: Sentry detected stuck tasks
2023/05/18 07:16 gvisor 116f28e9c5f6 3bb7af1d .config console log report syz C ci-gvisor-ptrace-1-race-cover panic: Sentry detected stuck tasks
2023/01/04 16:41 gvisor 151797db642c 1dac8c7a .config console log report syz C ci-gvisor-ptrace-2 panic: Sentry detected stuck tasks
2023/01/04 16:36 gvisor 151797db642c 1dac8c7a .config console log report syz C ci-gvisor-ptrace-2-cover panic: Sentry detected stuck tasks
2023/01/04 16:20 gvisor 151797db642c 1dac8c7a .config console log report syz C ci-gvisor-ptrace-1-cover panic: Sentry detected stuck tasks
2023/01/04 14:50 gvisor 151797db642c 1dac8c7a .config console log report syz C ci-gvisor-ptrace-1 panic: Sentry detected stuck tasks
2023/01/03 17:20 gvisor 85f261dd1eb2 d43e0eb8 .config console log report syz C ci-gvisor-ptrace-1 panic: Sentry detected stuck tasks
2023/01/03 17:15 gvisor 85f261dd1eb2 d43e0eb8 .config console log report syz C ci-gvisor-ptrace-1-cover panic: Sentry detected stuck tasks
2022/10/14 14:13 gvisor e2d5663b763b 4954e4b2 .config console log report syz C ci-gvisor-ptrace-3 panic: Sentry detected stuck tasks
2022/10/14 14:01 gvisor e2d5663b763b 4954e4b2 .config console log report syz C ci-gvisor-ptrace-2-race panic: Sentry detected stuck tasks
2022/10/14 13:51 gvisor e2d5663b763b 4954e4b2 .config console log report syz C ci-gvisor-ptrace-1 panic: Sentry detected stuck tasks
2022/10/14 13:39 gvisor e2d5663b763b 4954e4b2 .config console log report syz C ci-gvisor-ptrace-2-cover panic: Sentry detected stuck tasks
2022/10/14 13:26 gvisor e2d5663b763b 4954e4b2 .config console log report syz C ci-gvisor-ptrace-1-cover panic: Sentry detected stuck tasks
2022/10/14 12:24 gvisor e2d5663b763b 4954e4b2 .config console log report syz C ci-gvisor-ptrace-3 panic: Sentry detected stuck tasks
2022/10/14 11:49 gvisor e2d5663b763b 4954e4b2 .config console log report syz C ci-gvisor-ptrace-2 panic: Sentry detected stuck tasks
2023/05/19 13:41 gvisor 226f5145b682 3bb7af1d .config console log report info ci-gvisor-ptrace-2-race panic: Sentry detected stuck tasks
2023/05/19 09:25 gvisor d6d9fe623673 3bb7af1d .config console log report info ci-gvisor-systrap-1-cover panic: Sentry detected stuck tasks
2023/05/19 08:49 gvisor d6d9fe623673 3bb7af1d .config console log report info ci-gvisor-ptrace-3-race panic: Sentry detected stuck tasks
2023/05/19 03:24 gvisor d6d9fe623673 3bb7af1d .config console log report info ci-gvisor-ptrace-1-race panic: Sentry detected stuck tasks
2023/05/19 00:38 gvisor d6d9fe623673 3bb7af1d .config console log report info ci-gvisor-systrap-1-race panic: Sentry detected stuck tasks
2023/05/18 23:14 gvisor 2936774db630 3bb7af1d .config console log report info ci-gvisor-ptrace-2-race panic: Sentry detected stuck tasks
2023/05/18 21:57 gvisor 2936774db630 3bb7af1d .config console log report info ci-gvisor-ptrace-1-race panic: Sentry detected stuck tasks
2023/05/18 20:41 gvisor 2936774db630 3bb7af1d .config console log report info ci-gvisor-ptrace-2-race panic: Sentry detected stuck tasks
2023/05/18 16:03 gvisor 2936774db630 3bb7af1d .config console log report info ci-gvisor-systrap-1-race panic: Sentry detected stuck tasks
2023/05/18 14:41 gvisor 2936774db630 3bb7af1d .config console log report info ci-gvisor-ptrace-2-race panic: Sentry detected stuck tasks
2023/05/18 05:57 gvisor 116f28e9c5f6 3bb7af1d .config console log report info ci-gvisor-ptrace-3-cover panic: Sentry detected stuck tasks
2023/05/18 04:30 gvisor 116f28e9c5f6 3bb7af1d .config console log report info ci-gvisor-ptrace-3-race panic: Sentry detected stuck tasks
2023/05/18 03:29 gvisor 116f28e9c5f6 3bb7af1d .config console log report info ci-gvisor-ptrace-1-cover panic: Sentry detected stuck tasks
2023/05/18 02:07 gvisor 116f28e9c5f6 3bb7af1d .config console log report info ci-gvisor-ptrace-2-cover panic: Sentry detected stuck tasks
2023/05/18 00:21 gvisor 116f28e9c5f6 3bb7af1d .config console log report info ci-gvisor-ptrace-3-cover panic: Sentry detected stuck tasks
2023/05/17 23:11 gvisor 116f28e9c5f6 3bb7af1d .config console log report info ci-gvisor-ptrace-3-cover panic: Sentry detected stuck tasks
2023/05/17 21:27 gvisor ec2e4cdd6621 258520f6 .config console log report info ci-gvisor-ptrace-3-cover panic: Sentry detected stuck tasks
2023/05/17 20:04 gvisor ec2e4cdd6621 258520f6 .config console log report info ci-gvisor-ptrace-1-cover panic: Sentry detected stuck tasks
2023/05/17 18:22 gvisor ec2e4cdd6621 258520f6 .config console log report info ci-gvisor-ptrace-3-cover panic: Sentry detected stuck tasks
2023/05/17 17:41 gvisor ec2e4cdd6621 258520f6 .config console log report info ci-gvisor-systrap-1-cover panic: Sentry detected stuck tasks
2023/05/17 16:08 gvisor ec2e4cdd6621 258520f6 console log report info ci-gvisor-ptrace-2 panic: Sentry detected stuck tasks
2023/05/17 14:42 gvisor ec2e4cdd6621 258520f6 .config console log report info ci-gvisor-ptrace-3-cover panic: Sentry detected stuck tasks
2023/05/17 14:42 gvisor ec2e4cdd6621 258520f6 .config console log report info ci-gvisor-ptrace-2-cover panic: Sentry detected stuck tasks
2023/05/17 12:31 gvisor ec2e4cdd6621 258520f6 .config console log report info ci-gvisor-ptrace-3-cover panic: Sentry detected stuck tasks
2023/05/17 11:08 gvisor ec2e4cdd6621 258520f6 .config console log report info ci-gvisor-ptrace-2-cover panic: Sentry detected stuck tasks
2023/05/17 09:57 gvisor ec2e4cdd6621 258520f6 .config console log report info ci-gvisor-ptrace-1-race panic: Sentry detected stuck tasks
2023/05/17 08:29 gvisor 595d424651b4 11c89444 .config console log report info ci-gvisor-ptrace-3-race panic: Sentry detected stuck tasks
2023/05/17 07:04 gvisor 595d424651b4 11c89444 .config console log report info ci-gvisor-ptrace-1-race panic: Sentry detected stuck tasks
2023/05/17 05:53 gvisor 595d424651b4 11c89444 .config console log report info ci-gvisor-ptrace-2-race panic: Sentry detected stuck tasks
2023/05/17 04:14 gvisor 595d424651b4 11c89444 .config console log report info ci-gvisor-ptrace-1-race panic: Sentry detected stuck tasks
2023/05/17 01:42 gvisor 595d424651b4 11c89444 .config console log report info ci-gvisor-systrap-1-cover panic: Sentry detected stuck tasks
2023/05/16 23:38 gvisor 595d424651b4 11c89444 .config console log report info ci-gvisor-systrap-1-cover panic: Sentry detected stuck tasks
2023/05/16 18:53 gvisor 595d424651b4 60d220b5 .config console log report info ci-gvisor-ptrace-2-race panic: Sentry detected stuck tasks
2023/05/16 17:37 gvisor 595d424651b4 60d220b5 .config console log report info ci-gvisor-systrap-1-race panic: Sentry detected stuck tasks
2023/05/16 11:08 gvisor 595d424651b4 60d220b5 .config console log report info ci-gvisor-ptrace-2-race panic: Sentry detected stuck tasks
2023/05/16 09:45 gvisor c6aa29f8753a 71b00cfb .config console log report info ci-gvisor-ptrace-3-race panic: Sentry detected stuck tasks
2023/05/16 08:05 gvisor c6aa29f8753a 71b00cfb .config console log report info ci-gvisor-ptrace-1-race panic: Sentry detected stuck tasks
2023/05/16 02:27 gvisor c6aa29f8753a 71b00cfb .config console log report info ci-gvisor-ptrace-3-race panic: Sentry detected stuck tasks
2023/05/16 00:43 gvisor c6aa29f8753a 71b00cfb .config console log report info ci-gvisor-ptrace-2-race panic: Sentry detected stuck tasks
2023/05/15 22:41 gvisor c6aa29f8753a 71b00cfb .config console log report info ci-gvisor-systrap-1-cover panic: Sentry detected stuck tasks
2023/05/15 14:11 gvisor c3abb8c00a58 b8bae4ab .config console log report info ci-gvisor-systrap-1-race panic: Sentry detected stuck tasks
2023/05/15 11:44 gvisor c3abb8c00a58 b8bae4ab .config console log report info ci-gvisor-ptrace-1-race panic: Sentry detected stuck tasks
2023/05/15 08:51 gvisor c3abb8c00a58 b8bae4ab .config console log report info ci-gvisor-systrap-1-race panic: Sentry detected stuck tasks
2023/05/15 07:51 gvisor c3abb8c00a58 2b9ba477 .config console log report info ci-gvisor-ptrace-1-race panic: Sentry detected stuck tasks
2023/05/15 06:28 gvisor c3abb8c00a58 2b9ba477 .config console log report info ci-gvisor-systrap-1-cover panic: Sentry detected stuck tasks
2023/05/15 04:18 gvisor c3abb8c00a58 2b9ba477 .config console log report info ci-gvisor-systrap-1-race panic: Sentry detected stuck tasks
2023/05/15 02:46 gvisor c3abb8c00a58 2b9ba477 .config console log report info ci-gvisor-systrap-1-cover panic: Sentry detected stuck tasks
2023/05/15 01:31 gvisor c3abb8c00a58 2b9ba477 .config console log report info ci-gvisor-systrap-1-cover panic: Sentry detected stuck tasks
2023/05/14 23:58 gvisor c3abb8c00a58 2b9ba477 .config console log report info ci-gvisor-systrap-1-cover panic: Sentry detected stuck tasks
2023/04/25 17:44 gvisor 20c0790be502 7560799c console log report info ci-gvisor-systrap-1 panic: Sentry detected stuck tasks
2023/04/21 21:48 gvisor e9b8e1b74ca3 2b32bd34 console log report info ci-gvisor-ptrace-1 panic: Sentry detected stuck tasks
2022/11/30 06:42 gvisor bfbb9fa4cce0 579a3740 .config console log report info ci-gvisor-ptrace-3 panic: Sentry detected stuck tasks
2022/08/08 13:46 gvisor e003828a6bcc 88e3a122 .config console log report info ci-gvisor-ptrace-3-cover panic: Sentry detected stuck tasks
2023/05/18 18:46 gvisor 2936774db630 3bb7af1d .config console log report info ci-gvisor-arm64-systrap-1-cover panic: Sentry detected stuck tasks
2023/05/18 01:23 gvisor 116f28e9c5f6 3bb7af1d console log report info ci-gvisor-arm64-ptrace-1 panic: Sentry detected stuck tasks
2023/05/17 13:01 gvisor ec2e4cdd6621 258520f6 console log report info ci-gvisor-arm64-ptrace-1 panic: Sentry detected stuck tasks
2023/05/14 05:47 gvisor c3abb8c00a58 2b9ba477 .config console log report info ci-gvisor-arm64-ptrace-1-cover panic: Sentry detected stuck tasks
2023/05/13 23:10 gvisor 4f665a8da58b 2b9ba477 console log report info ci-gvisor-arm64-systrap-1 panic: Sentry detected stuck tasks
* Struck through repros no longer work on HEAD.