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panic: Watchdog goroutine is stuck: (2)

Status: auto-closed as invalid on 2020/08/30 15:30
Reported-by: syzbot+3635dee5940c073fd27f@syzkaller.appspotmail.com
First crash: 1712d, last: 1628d
▶ ▼ Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
gvisor panic: Watchdog goroutine is stuck: 12 1715d 1721d 0/26 fixed on 2020/03/17 20:38

Sample crash report:
panic: Watchdog goroutine is stuck:
Stack for running G's are skipped while panicking.

goroutine 91 [running]:
panic(0xdefb40, 0xc0002e1140)
	GOROOT/src/runtime/panic.go:1064 +0x46d fp=0xc000dbfcd8 sp=0xc000dbfc20 pc=0x43432d
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).doAction(0xc000128600, 0x1, 0x0, 0xc000dbfe00)
	pkg/sentry/watchdog/watchdog.go:368 +0x57d fp=0xc000dbfdd0 sp=0xc000dbfcd8 pc=0xa00cad
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).reportStuckWatchdog(0xc000128600)
	pkg/sentry/watchdog/watchdog.go:333 +0x7c fp=0xc000dbfe38 sp=0xc000dbfdd0 pc=0xa0071c
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).runTurn(0xc000128600)
	pkg/sentry/watchdog/watchdog.go:265 +0x55f fp=0xc000dbff40 sp=0xc000dbfe38 pc=0xa0032f
gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).loop(0xc000128600)
	pkg/sentry/watchdog/watchdog.go:243 +0x42 fp=0xc000dbffd8 sp=0xc000dbff40 pc=0x9ffcf2
runtime.goexit()
	src/runtime/asm_amd64.s:1373 +0x1 fp=0xc000dbffe0 sp=0xc000dbffd8 pc=0x467d01
created by gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).Start
	pkg/sentry/watchdog/watchdog.go:194 +0x1b7

Crashes (106):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2020/06/12 02:38 gvisor 67565078bbcd 5c25fdab .config console log report ci-gvisor-kvm-direct-sandbox
2020/06/08 02:10 gvisor 9aaca5a6da39 7751efd0 .config console log report ci-gvisor-kvm-proxy-overlay-sandbox
2020/06/03 04:17 gvisor 43279c673410 f3ba1b5b .config console log report ci-gvisor-kvm-direct-sandbox
2020/05/31 19:46 gvisor a9b47390c821 a0331e89 .config console log report ci-gvisor-kvm-proxy-overlay-sandbox
2020/05/30 23:13 gvisor a9b47390c821 6f3e1c7c .config console log report ci-gvisor-kvm-proxy-overlay-sandbox
2020/05/30 16:15 gvisor a9b47390c821 6f3e1c7c .config console log report ci-gvisor-kvm-proxy-overlay-sandbox
2020/05/30 03:04 gvisor a9b47390c821 954bd312 .config console log report ci-gvisor-kvm-direct-sandbox
2020/05/29 09:49 gvisor 32021bce9607 d19ed305 .config console log report ci-gvisor-kvm-direct-sandbox
2020/05/29 08:34 gvisor f7418e21590e d19ed305 .config console log report ci-gvisor-kvm-proxy-overlay-sandbox
2020/05/29 02:27 gvisor f7418e21590e d19ed305 .config console log report ci-gvisor-kvm-proxy-overlay-sandbox
2020/05/27 17:42 gvisor e028714a0dd3 fdf90f62 .config console log report ci-gvisor-kvm-proxy-overlay-sandbox
2020/05/27 03:07 gvisor 059879e14301 9072c126 .config console log report ci-gvisor-kvm-proxy-overlay-sandbox
2020/05/25 11:33 gvisor ba2bf9fc13c2 11284182 .config console log report ci-gvisor-kvm-direct-sandbox
2020/05/24 07:23 gvisor ba2bf9fc13c2 96c92ad3 .config console log report ci-gvisor-kvm-direct-sandbox
2020/05/21 07:17 gvisor f2f2dec7280e c61086ab .config console log report ci-gvisor-kvm-proxy-overlay-sandbox
2020/05/20 18:24 gvisor 05c89af6edde 1255f02a .config console log report ci-gvisor-kvm-direct-sandbox
2020/05/20 13:55 gvisor 05c89af6edde 1255f02a .config console log report ci-gvisor-kvm-direct-sandbox
2020/05/19 23:01 gvisor cbfb55869e4d 6d882fd2 .config console log report ci-gvisor-kvm-direct-sandbox
2020/05/16 23:40 gvisor 4502b73d008e 37bccd4e .config console log report ci-gvisor-kvm-direct-sandbox
2020/05/16 18:46 gvisor 679fd2527bdc 37bccd4e .config console log report ci-gvisor-kvm-proxy-overlay-sandbox
2020/05/16 15:11 gvisor 679fd2527bdc 37bccd4e .config console log report ci-gvisor-kvm-proxy-overlay-sandbox
2020/05/16 14:05 gvisor 679fd2527bdc 37bccd4e .config console log report ci-gvisor-kvm-proxy-overlay-sandbox
2020/05/15 05:27 gvisor d84607762889 2d572622 .config console log report ci-gvisor-kvm-proxy-overlay-sandbox
2020/05/14 23:51 gvisor d84607762889 2d572622 .config console log report ci-gvisor-kvm-proxy-overlay-sandbox
2020/05/13 06:10 gvisor 94251aedb4ab a44eb8f7 .config console log report ci-gvisor-kvm-proxy-overlay-sandbox
2020/05/12 06:05 gvisor c5ab21b04857 9eb09c40 .config console log report ci-gvisor-kvm-proxy-overlay-sandbox
2020/05/11 13:45 gvisor c52195d25825 f8f57555 .config console log report ci-gvisor-kvm-proxy-overlay-sandbox
2020/05/11 12:29 gvisor c52195d25825 f8f57555 .config console log report ci-gvisor-kvm-proxy-overlay-sandbox
2020/05/08 23:17 gvisor 21b71395a6aa e97b06d3 .config console log report ci-gvisor-kvm-proxy-overlay-sandbox
2020/05/08 12:42 gvisor 8416da33d25b 1913718f .config console log report ci-gvisor-kvm-proxy-overlay-sandbox
2020/05/08 11:39 gvisor c59e7b832c1f 1913718f .config console log report ci-gvisor-kvm-direct-sandbox
2020/05/07 05:39 gvisor a6dbf9596de5 4618eb2d .config console log report ci-gvisor-kvm-direct-sandbox
2020/05/05 11:38 gvisor 56c64e4bb9dc 9941337c .config console log report ci-gvisor-kvm-proxy-overlay-sandbox
2020/05/04 13:11 gvisor 8962b7840f57 58ae5e18 .config console log report ci-gvisor-kvm-direct-sandbox
2020/05/01 19:40 gvisor 8962b7840f57 bc734e7a .config console log report ci-gvisor-kvm-proxy-overlay-sandbox
2020/05/01 06:58 gvisor 44a57646d88b a73c1fd9 .config console log report ci-gvisor-kvm-direct-sandbox
2020/05/01 06:58 gvisor 8962b7840f57 a73c1fd9 .config console log report ci-gvisor-kvm-proxy-overlay-sandbox
2020/05/01 05:01 gvisor 44a57646d88b 3698959a .config console log report ci-gvisor-kvm-proxy-overlay-sandbox
2020/04/29 23:25 gvisor 17ac90a2033a ba2806db .config console log report ci-gvisor-kvm-direct-sandbox
2020/04/29 21:28 gvisor ce19497c1c08 ba2806db .config console log report ci-gvisor-kvm-proxy-overlay-sandbox
2020/04/26 17:17 gvisor 17ac90a2033a 0ce7569e .config console log report ci-gvisor-kvm-direct-sandbox
2020/04/26 02:58 gvisor c9199bab927e b8bb8e5f .config console log report ci-gvisor-kvm-proxy-overlay-sandbox
2020/04/25 12:11 gvisor c9199bab927e a113ba38 .config console log report ci-gvisor-kvm-proxy-overlay-sandbox
2020/04/24 16:45 gvisor e69a871c7bd4 b9233cab .config console log report ci-gvisor-kvm-proxy-overlay-sandbox
2020/04/24 15:40 gvisor eba086642e46 b9233cab .config console log report ci-gvisor-kvm-direct-sandbox
2020/03/26 20:49 gvisor a730d74b3230 6d25c5a0 .config console log report ci-gvisor-kvm-direct-sandbox
2020/03/20 14:20 gvisor eddd6ce514e3 2c31c529 .config console log report ci-gvisor-kvm-proxy-overlay-sandbox
* Struck through repros no longer work on HEAD.