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panic: Sentry detected stuck tasks (7)

Status: fixed on 2021/02/23 13:36
Fix commit: c5a4e100085c unix: sendmmsg and recvmsg have to cap a number of message to UIO_MAXIOV
First crash: 1353d, last: 1321d
▶ ▼ Similar bugs (22)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
gvisor panic: Sentry detected stuck tasks (16) 5 851d 924d 14/26 fixed on 2022/06/10 10:13
gvisor panic: Sentry detected stuck tasks (9) 9 1319d 1319d 14/26 fixed on 2021/02/26 03:02
gvisor panic: Sentry detected stuck tasks (14) 20 1040d 1085d 14/26 fixed on 2021/12/02 12:02
gvisor panic: Sentry detected stuck tasks (17) C 822 506d 772d 26/26 fixed on 2023/05/19 14:28
gvisor panic: Sentry detected stuck tasks (12) 2 1117d 1116d 14/26 fixed on 2021/09/17 01:50
gvisor panic: Sentry detected stuck tasks (20) C 895 416d 418d 26/26 fixed on 2023/08/19 00:55
gvisor panic: Sentry detected stuck tasks C 506 1464d 1485d 0/26 fixed on 2020/10/03 12:41
gvisor panic: Sentry detected stuck tasks (6) syz 714 1353d 1405d 14/26 fixed on 2021/01/22 19:49
gvisor panic: Sentry detected stuck tasks (4) C 5 1419d 1419d 0/26 fixed on 2020/11/18 07:03
gvisor panic: Sentry detected stuck tasks (22) 5 366d 366d 26/26 fixed on 2023/10/07 05:04
gvisor panic: Sentry detected stuck tasks (8) C 64 1319d 1321d 14/26 fixed on 2021/02/25 13:46
gvisor panic: Sentry detected stuck tasks (13) 1 1115d 1115d 14/26 fixed on 2021/09/27 21:02
gvisor panic: Sentry detected stuck tasks (10) C 264 1266d 1319d 14/26 fixed on 2021/04/20 00:15
gvisor panic: Sentry detected stuck tasks (11) C 31 1132d 1259d 14/26 fixed on 2021/09/03 10:11
gvisor panic: Sentry detected stuck tasks (3) C 180 1419d 1423d 0/26 fixed on 2020/11/17 10:52
gvisor panic: Sentry detected stuck tasks (21) 64 367d 415d 26/26 fixed on 2023/10/05 23:05
gvisor panic: Sentry detected stuck tasks (2) C 951 1423d 1464d 0/26 fixed on 2020/11/13 09:22
gvisor panic: Sentry detected stuck tasks (5) syz 83 1406d 1418d 0/26 fixed on 2020/12/01 11:18
gvisor panic: Sentry detected stuck tasks (15) C 2582 960d 1037d 14/26 fixed on 2022/02/25 14:00
gvisor panic: Sentry detected stuck tasks (24) C 13 354d 360d 26/26 fixed on 2023/10/19 08:45
gvisor panic: Sentry detected stuck tasks (23) C 23 360d 365d 26/26 fixed on 2023/10/12 20:28
gvisor panic: Sentry detected stuck tasks (18) C 625 447d 506d 26/26 fixed on 2023/07/19 00:35

Sample crash report:
panic: Sentry detected 2 stuck task(s):
	Task tid: 34 (goroutine 4985), entered RunSys state 3m31.28s ago.
	Task tid: 50 (goroutine 5860), entered RunSys state 3m31.3s 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 36 [running]:
panic(0x10a6f60, 0xc000909d20)
	GOROOT/src/runtime/panic.go:1064 +0x470 fp=0xc000919c08 sp=0xc000919b50 pc=0x437110
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).doAction(0xc000142300, 0x1, 0x1, 0xc000919d70)
	pkg/sentry/watchdog/watchdog.go:446 +0x5ff fp=0xc000919d00 sp=0xc000919c08 pc=0xc656bf
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).report(0xc000142300, 0xc000888150, 0x25c3df9601, 0x1a29ff58f00)
	pkg/sentry/watchdog/watchdog.go:394 +0x355 fp=0xc000919e38 sp=0xc000919d00 pc=0xc64ff5
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).runTurn(0xc000142300)
	pkg/sentry/watchdog/watchdog.go:372 +0x58a fp=0xc000919f40 sp=0xc000919e38 pc=0xc64bea
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).loop(0xc000142300)
	pkg/sentry/watchdog/watchdog.go:292 +0x56 fp=0xc000919fd8 sp=0xc000919f40 pc=0xc64556
runtime.goexit()
	src/runtime/asm_amd64.s:1374 +0x1 fp=0xc000919fe0 sp=0xc000919fd8 pc=0x470681
created by gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).Start
	pkg/sentry/watchdog/watchdog.go:231 +0x1e7

Crashes (2567):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2021/01/24 01:14 gvisor f5736fa2bf91 52e37319 .config console log report syz ci-gvisor-kvm-cover panic: Sentry detected stuck tasks
2021/01/24 00:24 gvisor cac70c65e6b5 52e37319 .config console log report syz ci-gvisor-ptrace-1-race panic: Sentry detected stuck tasks
2021/01/24 00:24 gvisor cac70c65e6b5 52e37319 .config console log report syz ci-gvisor-ptrace-1 panic: Sentry detected stuck tasks
2021/01/24 00:21 gvisor cac70c65e6b5 52e37319 .config console log report syz ci-gvisor-ptrace-2-race panic: Sentry detected stuck tasks
2021/01/24 00:08 gvisor cac70c65e6b5 52e37319 .config console log report syz ci-gvisor-ptrace-3 panic: Sentry detected stuck tasks
2021/01/23 23:46 gvisor cac70c65e6b5 52e37319 .config console log report syz ci-gvisor-ptrace-2-cover panic: Sentry detected stuck tasks
2021/01/23 23:23 gvisor cac70c65e6b5 52e37319 .config console log report syz ci-gvisor-ptrace-1-cover panic: Sentry detected stuck tasks
2021/01/23 22:37 gvisor cac70c65e6b5 52e37319 .config console log report syz ci-gvisor-ptrace-3-race panic: Sentry detected stuck tasks
2021/01/23 22:09 gvisor cac70c65e6b5 52e37319 .config console log report syz ci-gvisor-ptrace-1-race panic: Sentry detected stuck tasks
2021/01/23 22:09 gvisor cac70c65e6b5 52e37319 .config console log report syz ci-gvisor-ptrace-1 panic: Sentry detected stuck tasks
2021/01/23 22:07 gvisor cac70c65e6b5 52e37319 .config console log report syz ci-gvisor-ptrace-2-race panic: Sentry detected stuck tasks
2021/01/23 21:53 gvisor cac70c65e6b5 52e37319 .config console log report syz ci-gvisor-ptrace-3 panic: Sentry detected stuck tasks
2021/01/23 21:42 gvisor cac70c65e6b5 52e37319 .config console log report syz ci-gvisor-ptrace-2-cover panic: Sentry detected stuck tasks
2021/01/23 21:37 gvisor cac70c65e6b5 52e37319 .config console log report syz ci-gvisor-ptrace-3-cover panic: Sentry detected stuck tasks
2021/01/23 21:27 gvisor cac70c65e6b5 52e37319 .config console log report syz ci-gvisor-ptrace-1-cover panic: Sentry detected stuck tasks
2021/01/23 20:30 gvisor cac70c65e6b5 52e37319 .config console log report syz ci-gvisor-ptrace-2 panic: Sentry detected stuck tasks
2021/01/23 20:21 gvisor cac70c65e6b5 52e37319 .config console log report syz ci-gvisor-ptrace-3-race panic: Sentry detected stuck tasks
2021/01/23 19:40 gvisor cac70c65e6b5 52e37319 .config console log report syz ci-gvisor-ptrace-1 panic: Sentry detected stuck tasks
2021/01/23 19:40 gvisor cac70c65e6b5 52e37319 .config console log report syz ci-gvisor-ptrace-1-race panic: Sentry detected stuck tasks
2021/01/23 19:40 gvisor cac70c65e6b5 52e37319 .config console log report syz ci-gvisor-ptrace-3-cover panic: Sentry detected stuck tasks
2021/01/23 19:39 gvisor cac70c65e6b5 52e37319 .config console log report syz ci-gvisor-ptrace-2-race panic: Sentry detected stuck tasks
2021/01/23 19:35 gvisor cac70c65e6b5 52e37319 .config console log report syz ci-gvisor-ptrace-3 panic: Sentry detected stuck tasks
2021/01/23 19:24 gvisor cac70c65e6b5 52e37319 .config console log report syz ci-gvisor-ptrace-2-cover panic: Sentry detected stuck tasks
2021/01/23 19:19 gvisor cac70c65e6b5 52e37319 .config console log report syz ci-gvisor-ptrace-1-cover panic: Sentry detected stuck tasks
2021/01/23 17:49 gvisor cac70c65e6b5 52e37319 .config console log report syz ci-gvisor-ptrace-3-race panic: Sentry detected stuck tasks
2021/01/23 17:38 gvisor cac70c65e6b5 52e37319 .config console log report syz ci-gvisor-ptrace-2 panic: Sentry detected stuck tasks
2021/01/23 17:04 gvisor cac70c65e6b5 52e37319 .config console log report syz ci-gvisor-ptrace-3-cover panic: Sentry detected stuck tasks
2021/01/23 11:14 gvisor 65594d30ad1b 52e37319 .config console log report syz ci-gvisor-kvm panic: Sentry detected stuck tasks
2021/01/23 05:55 gvisor e0f4e46e340f 52e37319 .config console log report syz ci-gvisor-ptrace-1-race panic: Sentry detected stuck tasks
2021/01/23 05:47 gvisor e0f4e46e340f 52e37319 .config console log report syz ci-gvisor-ptrace-1 panic: Sentry detected stuck tasks
2021/01/23 05:41 gvisor e0f4e46e340f 52e37319 .config console log report syz ci-gvisor-ptrace-1-cover panic: Sentry detected stuck tasks
2021/01/23 03:50 gvisor e0f4e46e340f 52e37319 .config console log report syz ci-gvisor-ptrace-2 panic: Sentry detected stuck tasks
2021/02/23 13:23 gvisor 19fe3a2bfb72 fcc6d71b .config console log report info ci-gvisor-ptrace-2-race-cover panic: Sentry detected stuck tasks
2021/02/23 12:10 gvisor 19fe3a2bfb72 fcc6d71b .config console log report info ci-gvisor-ptrace-1-race-cover panic: Sentry detected stuck tasks
2021/02/23 11:55 gvisor 19fe3a2bfb72 fcc6d71b .config console log report info ci-gvisor-ptrace-3-race-cover panic: Sentry detected stuck tasks
2021/02/23 09:58 gvisor 19fe3a2bfb72 fcc6d71b .config console log report info ci-gvisor-ptrace-1-race-cover panic: Sentry detected stuck tasks
2021/02/23 08:48 gvisor 19fe3a2bfb72 fcc6d71b .config console log report info ci-gvisor-ptrace-3-race-cover panic: Sentry detected stuck tasks
2021/02/23 07:42 gvisor 19fe3a2bfb72 fcc6d71b .config console log report info ci-gvisor-ptrace-3-race-cover panic: Sentry detected stuck tasks
2021/02/23 06:35 gvisor 19fe3a2bfb72 fcc6d71b .config console log report info ci-gvisor-kvm panic: Sentry detected stuck tasks
2021/02/23 05:34 gvisor 19fe3a2bfb72 fcc6d71b .config console log report info ci-gvisor-kvm panic: Sentry detected stuck tasks
2021/02/23 04:05 gvisor 19fe3a2bfb72 fcc6d71b .config console log report info ci-gvisor-ptrace-1-race panic: Sentry detected stuck tasks
2021/02/23 02:58 gvisor 19fe3a2bfb72 fcc6d71b .config console log report info ci-gvisor-ptrace-3-race-cover panic: Sentry detected stuck tasks
2021/02/23 02:44 gvisor 19fe3a2bfb72 fcc6d71b .config console log report info ci-gvisor-ptrace-3-race-cover panic: Sentry detected stuck tasks
2021/02/23 00:59 gvisor 19fe3a2bfb72 fcc6d71b .config console log report info ci-gvisor-ptrace-2-race panic: Sentry detected stuck tasks
2021/02/22 23:29 gvisor 19fe3a2bfb72 c26fb06b .config console log report info ci-gvisor-ptrace-3-race-cover panic: Sentry detected stuck tasks
2021/02/22 22:01 gvisor 19fe3a2bfb72 c26fb06b .config console log report info ci-gvisor-kvm-cover panic: Sentry detected stuck tasks
2021/02/22 21:01 gvisor 19fe3a2bfb72 c26fb06b .config console log report info ci-gvisor-ptrace-2-race panic: Sentry detected stuck tasks
2021/02/22 19:26 gvisor 19fe3a2bfb72 c26fb06b .config console log report info ci-gvisor-ptrace-2-race panic: Sentry detected stuck tasks
2021/02/22 17:32 gvisor 93fc09248a2f c26fb06b .config console log report info ci-gvisor-kvm panic: Sentry detected stuck tasks
2021/02/22 15:39 gvisor 93fc09248a2f c26fb06b .config console log report info ci-gvisor-ptrace-3-race-cover panic: Sentry detected stuck tasks
2021/02/22 15:26 gvisor 93fc09248a2f c26fb06b .config console log report info ci-gvisor-ptrace-3-race-cover panic: Sentry detected stuck tasks
2021/02/22 14:22 gvisor 93fc09248a2f c26fb06b .config console log report info ci-gvisor-ptrace-2-race panic: Sentry detected stuck tasks
2021/02/22 11:45 gvisor 93fc09248a2f a659b3f1 .config console log report info ci-gvisor-ptrace-3-race-cover panic: Sentry detected stuck tasks
2021/02/22 11:36 gvisor 93fc09248a2f a659b3f1 .config console log report info ci-gvisor-kvm panic: Sentry detected stuck tasks
2021/02/22 10:33 gvisor 93fc09248a2f a659b3f1 .config console log report info ci-gvisor-ptrace-1-race-cover panic: Sentry detected stuck tasks
2021/02/22 09:17 gvisor 93fc09248a2f a659b3f1 .config console log report info ci-gvisor-kvm panic: Sentry detected stuck tasks
2021/02/22 08:14 gvisor 93fc09248a2f a659b3f1 .config console log report info ci-gvisor-ptrace-2-race-cover panic: Sentry detected stuck tasks
2021/02/22 06:48 gvisor 93fc09248a2f a659b3f1 .config console log report info ci-gvisor-ptrace-2-race-cover panic: Sentry detected stuck tasks
2021/02/22 05:38 gvisor 93fc09248a2f a659b3f1 .config console log report info ci-gvisor-kvm-cover panic: Sentry detected stuck tasks
2021/02/22 05:32 gvisor 93fc09248a2f a659b3f1 .config console log report info ci-gvisor-ptrace-1-race-cover panic: Sentry detected stuck tasks
2021/02/22 03:48 gvisor 93fc09248a2f a659b3f1 .config console log report info ci-gvisor-kvm-cover panic: Sentry detected stuck tasks
2021/02/22 02:30 gvisor 93fc09248a2f a659b3f1 .config console log report info ci-gvisor-ptrace-1-race panic: Sentry detected stuck tasks
2021/02/22 01:22 gvisor 93fc09248a2f a659b3f1 .config console log report info ci-gvisor-ptrace-2-race-cover panic: Sentry detected stuck tasks
2021/02/22 00:21 gvisor 93fc09248a2f a659b3f1 .config console log report info ci-gvisor-ptrace-1-race-cover panic: Sentry detected stuck tasks
2021/02/21 23:59 gvisor 93fc09248a2f a659b3f1 .config console log report info ci-gvisor-ptrace-3-race-cover panic: Sentry detected stuck tasks
2021/02/21 22:51 gvisor 93fc09248a2f a659b3f1 .config console log report info ci-gvisor-ptrace-3-race-cover panic: Sentry detected stuck tasks
2021/02/21 21:34 gvisor 93fc09248a2f a659b3f1 .config console log report info ci-gvisor-kvm-cover panic: Sentry detected stuck tasks
2021/02/21 19:54 gvisor 93fc09248a2f a659b3f1 .config console log report info ci-gvisor-kvm panic: Sentry detected stuck tasks
2021/02/21 18:30 gvisor 93fc09248a2f a659b3f1 .config console log report info ci-gvisor-kvm-cover panic: Sentry detected stuck tasks
2021/02/21 15:50 gvisor 93fc09248a2f 3e5ed8b4 .config console log report info ci-gvisor-kvm-cover panic: Sentry detected stuck tasks
2021/02/21 14:08 gvisor 93fc09248a2f 3e5ed8b4 .config console log report info ci-gvisor-ptrace-1-race-cover panic: Sentry detected stuck tasks
2021/02/21 12:48 gvisor 93fc09248a2f 3e5ed8b4 .config console log report info ci-gvisor-kvm-cover panic: Sentry detected stuck tasks
2021/02/21 12:44 gvisor 93fc09248a2f 3e5ed8b4 .config console log report info ci-gvisor-ptrace-2-race-cover panic: Sentry detected stuck tasks
2021/02/21 11:33 gvisor 93fc09248a2f 3e5ed8b4 .config console log report info ci-gvisor-ptrace-1-race-cover panic: Sentry detected stuck tasks
2021/02/21 08:48 gvisor 93fc09248a2f 3e5ed8b4 .config console log report info ci-gvisor-kvm-cover panic: Sentry detected stuck tasks
2021/02/21 07:26 gvisor 93fc09248a2f 3e5ed8b4 .config console log report info ci-gvisor-ptrace-1-race-cover panic: Sentry detected stuck tasks
2021/02/21 06:22 gvisor 93fc09248a2f 3e5ed8b4 .config console log report info ci-gvisor-ptrace-3-race-cover panic: Sentry detected stuck tasks
2021/02/21 04:49 gvisor 93fc09248a2f 3e5ed8b4 .config console log report info ci-gvisor-ptrace-1-race-cover panic: Sentry detected stuck tasks
2021/02/21 04:18 gvisor 93fc09248a2f 3e5ed8b4 .config console log report info ci-gvisor-kvm-cover panic: Sentry detected stuck tasks
2021/02/21 02:35 gvisor 93fc09248a2f 3e5ed8b4 .config console log report info ci-gvisor-ptrace-1-race-cover panic: Sentry detected stuck tasks
2021/02/21 01:30 gvisor 93fc09248a2f 3e5ed8b4 .config console log report info ci-gvisor-ptrace-3-race-cover panic: Sentry detected stuck tasks
2021/02/20 22:21 gvisor 93fc09248a2f 3e5ed8b4 .config console log report info ci-gvisor-ptrace-3-cover panic: Sentry detected stuck tasks
2021/02/19 07:45 gvisor ec20f4f38ef4 14052202 .config console log report info ci-gvisor-ptrace-2-cover panic: Sentry detected stuck tasks
2021/02/17 14:20 gvisor 3ef012944d32 052f8d9f .config console log report info ci-gvisor-ptrace-1-cover panic: Sentry detected stuck tasks
2021/02/13 03:30 gvisor a6d813ad55ae 98682e5e .config console log report info ci-gvisor-ptrace-1 panic: Sentry detected stuck tasks
2021/02/07 13:37 gvisor 3853a94f10b7 2ce644fc .config console log report info ci-gvisor-ptrace-3 panic: Sentry detected stuck tasks
2021/02/04 22:38 gvisor f884ea13b713 9a327581 .config console log report info ci-gvisor-ptrace-3-race panic: Sentry detected stuck tasks
2021/02/03 00:41 gvisor f884ea13b713 624dad51 .config console log report info ci-gvisor-ptrace-2 panic: Sentry detected stuck tasks
2021/01/23 01:07 gvisor e0f4e46e340f 52e37319 .config console log report info ci-gvisor-ptrace-2 panic: Sentry detected stuck tasks
* Struck through repros no longer work on HEAD.