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panic: Sentry detected stuck tasks (3)

Status: fixed on 2020/11/17 10:52
Fix commit: 267560d159b2 Reset watchdog timer between sendfile() iterations.
First crash: 1990d, last: 1986d
▶ ▼ Similar bugs (32)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
gvisor panic: Sentry detected stuck tasks (16) 2 5 1417d 1490d 14/26 fixed on 2022/06/10 10:13
gvisor panic: Sentry detected stuck tasks (9) 2 9 1885d 1886d 14/26 fixed on 2021/02/26 03:02
gvisor panic: Sentry detected stuck tasks (14) 2 20 1607d 1652d 14/26 fixed on 2021/12/02 12:02
gvisor panic: Sentry detected stuck tasks (17) 2 C 822 1073d 1339d 26/26 fixed on 2023/05/19 14:28
gvisor panic: Sentry detected stuck tasks (12) 2 2 1683d 1683d 14/26 fixed on 2021/09/17 01:50
gvisor panic: Sentry detected stuck tasks (20) 2 C 895 982d 985d 26/26 fixed on 2023/08/19 00:55
gvisor panic: Sentry detected stuck tasks 2 C 506 2031d 2051d 0/26 fixed on 2020/10/03 12:41
gvisor panic: Sentry detected stuck tasks (6) 2 syz 714 1920d 1972d 14/26 fixed on 2021/01/22 19:49
gvisor panic: Sentry detected stuck tasks (7) 2 syz 2567 1888d 1919d 14/26 fixed on 2021/02/23 13:36
gvisor panic: Sentry detected stuck tasks (4) 2 C 5 1985d 1986d 0/26 fixed on 2020/11/18 07:03
gvisor panic: Sentry detected stuck tasks (22) 2 5 932d 933d 26/26 fixed on 2023/10/07 05:04
gvisor panic: Sentry detected stuck tasks (8) 2 C 64 1886d 1888d 14/26 fixed on 2021/02/25 13:46
gvisor panic: Sentry detected stuck tasks (13) 2 1 1682d 1682d 14/26 fixed on 2021/09/27 21:02
gvisor panic: Sentry detected stuck tasks (10) 2 C 264 1833d 1885d 14/26 fixed on 2021/04/20 00:15
gvisor panic: Sentry detected stuck tasks (26) 2 C 17 502d 502d 26/26 fixed on 2024/12/11 10:55
gvisor panic: Sentry detected stuck tasks (11) 2 C 31 1699d 1826d 14/26 fixed on 2021/09/03 10:11
gvisor panic: Sentry detected stuck tasks (35) 2 syz 41 12d 65d 26/26 fixed on 2026/04/14 23:49
gvisor panic: Sentry detected stuck tasks (31) 2 3 221d 262d 26/26 fixed on 2025/09/19 06:07
gvisor panic: Sentry detected stuck tasks (28) 2 C 11282 367d 471d 26/26 fixed on 2025/04/24 21:44
gvisor panic: Sentry detected stuck tasks (21) 2 64 934d 981d 26/26 fixed on 2023/10/05 23:05
gvisor panic: Sentry detected stuck tasks (2) 2 C 951 1990d 2031d 0/26 fixed on 2020/11/13 09:22
gvisor panic: Sentry detected stuck tasks (5) 2 syz 83 1972d 1985d 0/26 fixed on 2020/12/01 11:18
gvisor panic: Sentry detected stuck tasks (33) 2 C 13 159d 160d 26/26 fixed on 2025/11/19 02:01
gvisor panic: Sentry detected stuck tasks (27) 2 C 14 478d 498d 26/26 fixed on 2025/01/07 21:12
gvisor panic: Sentry detected stuck tasks (32) 2 5 167d 206d 26/26 fixed on 2025/11/12 21:14
gvisor panic: Sentry detected stuck tasks (15) 2 C 2582 1526d 1603d 14/26 fixed on 2022/02/25 14:00
gvisor panic: Sentry detected stuck tasks (34) 2 2 102d 108d 26/26 fixed on 2026/01/14 10:50
gvisor panic: Sentry detected stuck tasks (25) 2 C 78 503d 532d 26/26 fixed on 2024/12/09 18:01
gvisor panic: Sentry detected stuck tasks (29) 2 C 51 362d 366d 26/26 fixed on 2025/04/30 13:05
gvisor panic: Sentry detected stuck tasks (24) 2 C 13 920d 926d 26/26 fixed on 2023/10/19 08:45
gvisor panic: Sentry detected stuck tasks (23) 2 C 23 927d 932d 26/26 fixed on 2023/10/12 20:28
gvisor panic: Sentry detected stuck tasks (18) 2 C 625 1014d 1073d 26/26 fixed on 2023/07/19 00:35

Sample crash report:
panic: Sentry detected 1 stuck task(s):
	Task tid: 22 (0x16), entered RunSys state 3m35.22s ago.
Search for '(*Task).run(0x..., 0x<tid>)' in the stack dump to find the offending goroutine
Stack for running G's are skipped while panicking.

goroutine 158 [running]:
panic(0x109efa0, 0xc00090b8c0)
	GOROOT/src/runtime/panic.go:1064 +0x470 fp=0xc0d3e87c18 sp=0xc0d3e87b60 pc=0x437030
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).doAction(0xc000242100, 0x1, 0x1, 0xc0d3e87d70)
	pkg/sentry/watchdog/watchdog.go:447 +0x5ff fp=0xc0d3e87d10 sp=0xc0d3e87c18 pc=0xc61f5f
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).report(0xc000242100, 0xc0007a0450, 0x11a01, 0xd0ea0e4000)
	pkg/sentry/watchdog/watchdog.go:395 +0x335 fp=0xc0d3e87e38 sp=0xc0d3e87d10 pc=0xc61895
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).runTurn(0xc000242100)
	pkg/sentry/watchdog/watchdog.go:372 +0x58a fp=0xc0d3e87f40 sp=0xc0d3e87e38 pc=0xc614aa
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).loop(0xc000242100)
	pkg/sentry/watchdog/watchdog.go:292 +0x56 fp=0xc0d3e87fd8 sp=0xc0d3e87f40 pc=0xc60e16
runtime.goexit()
	src/runtime/asm_amd64.s:1374 +0x1 fp=0xc0d3e87fe0 sp=0xc0d3e87fd8 pc=0x4705a1
created by gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).Start
	pkg/sentry/watchdog/watchdog.go:231 +0x1e7

Crashes (180):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2020/11/13 22:20 gvisor 280cf46874cd 4a7fa9b4 .config console log report syz C ci-gvisor-main
2020/11/13 21:23 gvisor cc1b20590cf4 4a7fa9b4 .config console log report syz C ci-gvisor-kvm-direct-sandbox
2020/11/13 20:51 gvisor cc1b20590cf4 4a7fa9b4 .config console log report syz C ci-gvisor-kvm-direct-sandbox
2020/11/13 19:57 gvisor 280cf46874cd 4a7fa9b4 .config console log report syz C ci-gvisor-main
2020/11/13 23:52 gvisor 280cf46874cd 4a7fa9b4 .config console log report syz ci-gvisor-main
2020/11/13 21:23 gvisor 280cf46874cd 4a7fa9b4 .config console log report syz ci-gvisor-ptrace-proxy-sandbox-race
2020/11/17 10:08 gvisor 373fd8310032 1bf9a662 .config console log report info ci-gvisor-ptrace-proxy-sandbox-race
2020/11/17 08:21 gvisor 373fd8310032 1bf9a662 .config console log report info ci-gvisor-ptrace-proxy-sandbox-race
2020/11/17 06:53 gvisor 373fd8310032 1bf9a662 .config console log report info ci-gvisor-ptrace-direct-overlay-host-race
2020/11/17 04:47 gvisor 373fd8310032 1bf9a662 .config console log report info ci-gvisor-ptrace-proxy-sandbox-race
2020/11/17 03:40 gvisor 373fd8310032 1bf9a662 .config console log report info ci-gvisor-ptrace-proxy-sandbox-race
2020/11/17 01:18 gvisor 373fd8310032 1bf9a662 .config console log report info ci-gvisor-ptrace-proxy-sandbox-race
2020/11/16 23:35 gvisor 373fd8310032 1bf9a662 .config console log report info ci-gvisor-ptrace-direct-overlay-host-race
2020/11/16 21:25 gvisor 43dd7a200569 1bf9a662 .config console log report info ci-gvisor-ptrace-direct-overlay-host-race
2020/11/16 19:19 gvisor 43dd7a200569 1bf9a662 .config console log report info ci-gvisor-ptrace-direct-overlay-host-race
2020/11/16 17:34 gvisor 43dd7a200569 1bf9a662 .config console log report info ci-gvisor-main
2020/11/16 17:05 gvisor 43dd7a200569 1bf9a662 .config console log report info ci-gvisor-ptrace-proxy-sandbox-race
2020/11/16 15:25 gvisor 43dd7a200569 1bf9a662 .config console log report info ci-gvisor-ptrace-direct-overlay-host-race
2020/11/16 13:48 gvisor 43dd7a200569 1bf9a662 .config console log report info ci-gvisor-ptrace-proxy-sandbox-race
2020/11/16 08:58 gvisor 43dd7a200569 1bf9a662 .config console log report info ci-gvisor-ptrace-direct-overlay-host-race
2020/11/16 07:17 gvisor 182c126013a2 1bf9a662 .config console log report info ci-gvisor-main
2020/11/15 23:31 gvisor 182c126013a2 1bf9a662 .config console log report info ci-gvisor-ptrace-direct-overlay-host-race
2020/11/15 22:08 gvisor 182c126013a2 1bf9a662 .config console log report info ci-gvisor-ptrace-direct-overlay-host-race
2020/11/15 19:44 gvisor 182c126013a2 1bf9a662 .config console log report info ci-gvisor-ptrace-proxy-sandbox-race
2020/11/15 18:28 gvisor 182c126013a2 1bf9a662 .config console log report info ci-gvisor-ptrace-proxy-sandbox-race
2020/11/15 17:25 gvisor 182c126013a2 1bf9a662 .config console log report info ci-gvisor-ptrace-proxy-sandbox-race
2020/11/15 15:44 gvisor 182c126013a2 1bf9a662 .config console log report info ci-gvisor-ptrace-proxy-sandbox-race
2020/11/15 14:24 gvisor 182c126013a2 1bf9a662 .config console log report info ci-gvisor-ptrace-direct-overlay-host-race
2020/11/15 12:36 gvisor 182c126013a2 1bf9a662 .config console log report info ci-gvisor-ptrace-proxy-sandbox-race
2020/11/15 08:49 gvisor 182c126013a2 1bf9a662 .config console log report info ci-gvisor-ptrace-proxy-sandbox-race
2020/11/15 06:45 gvisor 182c126013a2 1bf9a662 .config console log report info ci-gvisor-ptrace-proxy-sandbox-race
2020/11/15 04:29 gvisor 182c126013a2 1bf9a662 .config console log report info ci-gvisor-ptrace-proxy-sandbox-race
2020/11/15 00:32 gvisor 182c126013a2 1bf9a662 .config console log report info ci-gvisor-kvm-direct-sandbox
2020/11/14 23:03 gvisor 182c126013a2 1bf9a662 .config console log report info ci-gvisor-ptrace-direct-overlay-host-race
2020/11/14 20:49 gvisor 182c126013a2 1bf9a662 .config console log report info ci-gvisor-main
2020/11/14 19:47 gvisor 182c126013a2 1bf9a662 .config console log report info ci-gvisor-ptrace-proxy-sandbox-race
2020/11/14 15:57 gvisor 182c126013a2 1bf9a662 .config console log report info ci-gvisor-ptrace-proxy-sandbox-race
2020/11/14 09:59 gvisor 182c126013a2 1bf9a662 .config console log report info ci-gvisor-ptrace-direct-overlay-host-race
2020/11/14 08:52 gvisor 182c126013a2 1bf9a662 .config console log report info ci-gvisor-ptrace-direct-overlay-host-race
2020/11/14 08:37 gvisor 182c126013a2 1bf9a662 .config console log report info ci-gvisor-ptrace-direct-overlay-host-race
2020/11/14 08:23 gvisor 182c126013a2 1bf9a662 .config console log report info ci-gvisor-ptrace-direct-overlay-host-race
2020/11/14 07:56 gvisor 182c126013a2 1bf9a662 .config console log report info ci-gvisor-ptrace-proxy-sandbox-race
2020/11/14 07:56 gvisor 182c126013a2 1bf9a662 .config console log report info ci-gvisor-ptrace-direct-overlay-host-race
2020/11/14 07:54 gvisor 182c126013a2 1bf9a662 .config console log report info ci-gvisor-ptrace-direct-overlay-host-race
2020/11/14 07:54 gvisor 182c126013a2 1bf9a662 .config console log report info ci-gvisor-ptrace-proxy-sandbox-race
2020/11/14 07:54 gvisor 182c126013a2 1bf9a662 .config console log report info ci-gvisor-ptrace-direct-overlay-host-race
2020/11/14 07:53 gvisor 182c126013a2 1bf9a662 .config console log report info ci-gvisor-ptrace-proxy-sandbox-race
2020/11/14 07:51 gvisor 182c126013a2 1bf9a662 .config console log report info ci-gvisor-ptrace-direct-overlay-host-race
2020/11/14 07:51 gvisor 182c126013a2 1bf9a662 .config console log report info ci-gvisor-ptrace-proxy-sandbox-race
2020/11/14 07:50 gvisor 182c126013a2 1bf9a662 .config console log report info ci-gvisor-ptrace-direct-overlay-host-race
2020/11/14 07:49 gvisor 182c126013a2 1bf9a662 .config console log report info ci-gvisor-ptrace-direct-overlay-host-race
2020/11/14 07:43 gvisor 182c126013a2 1bf9a662 .config console log report info ci-gvisor-ptrace-direct-overlay-host-race
2020/11/14 07:43 gvisor 182c126013a2 1bf9a662 .config console log report info ci-gvisor-ptrace-direct-overlay-host-race
2020/11/14 07:42 gvisor 182c126013a2 1bf9a662 .config console log report info ci-gvisor-ptrace-direct-overlay-host-race
2020/11/14 07:42 gvisor 182c126013a2 1bf9a662 .config console log report info ci-gvisor-ptrace-proxy-sandbox-race
2020/11/13 10:17 gvisor cc1b20590cf4 4a7fa9b4 .config console log report info ci-gvisor-kvm-direct-sandbox
* Struck through repros no longer work on HEAD.