panic: Sentry detected 2 stuck task(s):

Status: closed as dup on 2020/09/13 08:13
Reported-by: syzbot+bbb1f1ad1c822667e025@syzkaller.appspotmail.com
First crash: 2334d, last: 2144d
▶ ▼ Duplicate of
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported
panic: Sentry detected stuck tasks 2 C 506 2123d 2143d

Sample crash report:
panic: Sentry detected 2 stuck task(s):
	Task tid: 11297 (0x2c21), entered RunSys state 3m26.82s ago.
	Task tid: 11298 (0x2c22), entered RunSys state 3m26.78s 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 94 [running]:
panic(0xeb0780, 0xc0038980c0)
	GOROOT/src/runtime/panic.go:1064 +0x46d fp=0xc0007d5c08 sp=0xc0007d5b50 pc=0x43438d
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).doAction(0xc0001b7b80, 0x1, 0x1, 0xc0007d5d70)
	pkg/sentry/watchdog/watchdog.go:386 +0x57d fp=0xc0007d5d00 sp=0xc0007d5c08 pc=0xa9308d
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).report(0xc0001b7b80, 0xc00067d4d0, 0xc002888001, 0x2aa8475ab80)
	pkg/sentry/watchdog/watchdog.go:345 +0x311 fp=0xc0007d5e38 sp=0xc0007d5d00 pc=0xa92a51
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).runTurn(0xc0001b7b80)
	pkg/sentry/watchdog/watchdog.go:326 +0x4b4 fp=0xc0007d5f40 sp=0xc0007d5e38 pc=0xa92664
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).loop(0xc0001b7b80)
	pkg/sentry/watchdog/watchdog.go:261 +0x42 fp=0xc0007d5fd8 sp=0xc0007d5f40 pc=0xa920d2
runtime.goexit()
	src/runtime/asm_amd64.s:1373 +0x1 fp=0xc0007d5fe0 sp=0xc0007d5fd8 pc=0x467da1
created by gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).Start
	pkg/sentry/watchdog/watchdog.go:212 +0x1b7

Crashes (1182):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2020/09/12 02:49 gvisor 964447c8ce1b 79fb24e2 .config console log report ci-gvisor-main
2020/09/11 12:49 gvisor 365545855f77 adfb8b4e .config console log report ci-gvisor-ptrace-proxy-sandbox-race
2020/09/09 11:17 gvisor 00479af51528 0ea7a887 .config console log report ci-gvisor-main
2020/09/09 04:38 gvisor d84ec6c42bd7 abf9ba4f .config console log report ci-gvisor-main
2020/09/08 16:45 gvisor fada564c83b3 abf9ba4f .config console log report ci-gvisor-main
2020/09/06 12:18 gvisor 2202812e074a abf9ba4f .config console log report ci-gvisor-ptrace-proxy-sandbox-race
2020/09/05 15:34 gvisor 2202812e074a abf9ba4f .config console log report ci-gvisor-main
2020/09/05 09:24 gvisor 2202812e074a abf9ba4f .config console log report ci-gvisor-main
2020/09/05 03:35 gvisor c564293b65ee abf9ba4f .config console log report ci-gvisor-main
2020/09/04 23:20 gvisor c564293b65ee abf9ba4f .config console log report ci-gvisor-main
2020/09/02 04:21 gvisor 0eae08bc9e77 abf9ba4f .config console log report ci-gvisor-main
2020/09/01 11:47 gvisor 67484384935f d5a3ae1f .config console log report ci-gvisor-main
2020/08/28 15:54 gvisor 421e35020bbc d5a3ae1f .config console log report ci-gvisor-ptrace-proxy-sandbox-race
2020/08/25 08:45 gvisor 89791a79bf83 622e52f4 .config console log report ci-gvisor-ptrace-proxy-sandbox-race
2020/08/24 22:31 gvisor 89791a79bf83 622e52f4 .config console log report ci-gvisor-main
2020/08/24 20:46 gvisor 89791a79bf83 cef5ae68 .config console log report ci-gvisor-main
2020/08/24 16:29 gvisor e7270096a7fb cef5ae68 .config console log report ci-gvisor-main
2020/08/24 15:01 gvisor e7270096a7fb cef5ae68 .config console log report ci-gvisor-ptrace-proxy-sandbox-race
2020/08/24 11:27 gvisor e7270096a7fb cef5ae68 .config console log report ci-gvisor-main
2020/08/24 07:04 gvisor e7270096a7fb 1da71ab0 .config console log report ci-gvisor-main
2020/08/23 18:47 gvisor e7270096a7fb 1da71ab0 .config console log report ci-gvisor-main
2020/08/23 13:25 gvisor e7270096a7fb 1da71ab0 .config console log report ci-gvisor-main
2020/08/23 11:25 gvisor e7270096a7fb 1da71ab0 .config console log report ci-gvisor-main
2020/08/22 10:04 gvisor 69008b68b0a7 6436ce4b .config console log report ci-gvisor-ptrace-proxy-sandbox-race
2020/08/21 08:29 gvisor 73c69cb4d8e7 1d75fe45 .config console log report ci-gvisor-ptrace-proxy-sandbox-race
2020/08/20 15:08 gvisor be76c7ce6eb8 ed282a3a .config console log report ci-gvisor-main
2020/08/20 13:24 gvisor be76c7ce6eb8 ed282a3a .config console log report ci-gvisor-main
2020/08/18 17:03 gvisor 6d0c5803d557 635f68f6 .config console log report ci-gvisor-main
2020/08/16 01:13 gvisor 9a7b5830aa06 c2707aa5 .config console log report ci-gvisor-ptrace-proxy-sandbox-race
2020/08/14 00:48 gvisor b928d074b461 bc15f7db .config console log report ci-gvisor-ptrace-proxy-sandbox-race
2020/08/13 05:14 gvisor 13a8ae81b236 bc15f7db .config console log report ci-gvisor-kvm-direct-sandbox
2020/08/12 03:42 gvisor 8e31f0dc57d4 bb3e5fe6 .config console log report ci-gvisor-ptrace-proxy-sandbox-race
2020/08/11 10:41 gvisor 0a8ae4b32f0d d3694ffb .config console log report ci-gvisor-ptrace-proxy-sandbox-race
2020/08/11 04:58 gvisor 0a8ae4b32f0d d3694ffb .config console log report ci-gvisor-ptrace-proxy-sandbox-race
2020/08/10 03:48 gvisor b404b5c25521 f721e4a0 .config console log report ci-gvisor-main
2020/08/09 14:20 gvisor b404b5c25521 f721e4a0 .config console log report ci-gvisor-ptrace-proxy-sandbox-race
2020/08/09 06:26 gvisor b404b5c25521 f721e4a0 .config console log report ci-gvisor-ptrace-proxy-sandbox-race
2020/08/08 14:04 gvisor 13a8ae81b236 01975a06 .config console log report ci-gvisor-main
2020/08/08 03:47 gvisor 293f11ca95fe ff51e522 .config console log report ci-gvisor-main
2020/08/07 05:13 gvisor 90021e775a6e 1f122f88 .config console log report ci-gvisor-main
2020/08/04 07:30 gvisor 25798f214c6d 196277c4 .config console log report ci-gvisor-ptrace-proxy-sandbox-race
2020/08/04 01:01 gvisor 10f6c41bbd5d 196277c4 .config console log report ci-gvisor-main
2020/08/01 21:02 gvisor d5b31458aae5 d895b3be .config console log report ci-gvisor-ptrace-proxy-sandbox-race
2020/07/28 02:44 gvisor 1876225fc82a cb93dc6a .config console log report ci-gvisor-ptrace-proxy-sandbox-race
2020/06/07 07:04 gvisor 9aaca5a6da39 e6b89e4e .config console log report ci-gvisor-kvm-proxy-overlay-sandbox
2020/03/26 04:05 gvisor d8c4eff3f77b e8e6c7d2 .config console log report ci-gvisor-ptrace-direct-overlay-host-race
2020/03/12 18:29 gvisor 24e7005ab6bd 35f53e45 .config console log report ci-gvisor-ptrace-direct-overlay-host
2020/03/06 06:51 gvisor b1576e533223 4a4e0509 .config console log report ci-gvisor-ptrace-direct-overlay-host-race
* Struck through repros no longer work on HEAD.