kvm: panic: Watchdog goroutine is stuck (7)

Kernel	Title	Rank 🛈	Repro	Count	Last	Reported	Patched	Status
gvisor	kvm: panic: Watchdog goroutine is stuck	-1		240	1857d	1867d	14/26	fixed on 2021/03/26 06:57
gvisor	kvm: panic: Watchdog goroutine is stuck (6)	-1	C	19	1056d	1284d	0/26	closed as invalid on 2024/12/13 00:10
gvisor	kvm: panic: Watchdog goroutine is stuck (3)	-1	C	48	1781d	1831d	14/26	fixed on 2021/06/12 08:48
gvisor	kvm: panic: Watchdog goroutine is stuck (5)	-1		16	1478d	1652d	0/26	auto-closed as invalid on 2022/07/07 18:38
gvisor	kvm: panic: Watchdog goroutine is stuck (4)	-1		18	1702d	1759d	14/26	fixed on 2021/09/25 08:25
gvisor	kvm: panic: Watchdog goroutine is stuck (2)	-1		110	1839d	1856d	14/26	fixed on 2021/04/13 18:45

panic: Watchdog goroutine is stuck Stack for running G's are skipped while panicking. goroutine 99 gp=0xc0006028c0 m=29 mp=0xc000e80808 [running]: panic({0x11af620?, 0xc00349ce80?}) GOROOT/src/runtime/panic.go:811 +0x168 fp=0xc000863d58 sp=0xc000863ca8 pc=0x4788c8 gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).doAction(0xc000863e40?, 0x1452d5b?, 0x1b?, 0xc000863e40) pkg/sentry/watchdog/watchdog.go:376 +0x348 fp=0xc000863e20 sp=0xc000863d58 pc=0xc7b9c8 gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).reportStuckWatchdog(0xc00012c000) pkg/sentry/watchdog/watchdog.go:341 +0x50 fp=0xc000863e78 sp=0xc000863e20 pc=0xc7b650 gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).runTurn(0xc00012c000) pkg/sentry/watchdog/watchdog.go:276 +0x132 fp=0xc000863f58 sp=0xc000863e78 pc=0xc7af32 gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).loop(0xc00012c000) pkg/sentry/watchdog/watchdog.go:254 +0x25 fp=0xc000863fc8 sp=0xc000863f58 pc=0xc7ad65 gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).Start.gowrap2() pkg/sentry/watchdog/watchdog.go:205 +0x25 fp=0xc000863fe0 sp=0xc000863fc8 pc=0xc7a8c5 runtime.goexit({}) src/runtime/asm_amd64.s:1700 +0x1 fp=0xc000863fe8 sp=0xc000863fe0 pc=0x4816e1 created by gvisor.dev/gvisor/pkg/sentry/watchdog.(*Watchdog).Start in goroutine 1 pkg/sentry/watchdog/watchdog.go:205 +0x1d8

Crashes (4):
Time	Kernel	Commit	Syzkaller	Log	Report	Syz repro	VM info	Manager	Title
2025/08/29 00:23	gvisor	1826627343ba	d401b9d7	console log	report	syz / log		ci-gvisor-kvm	kvm: panic: Watchdog goroutine is stuck
2025/09/10 13:21	gvisor	3eb1b76e083f	fdeaa69b	console log	report		info	ci-gvisor-kvm	kvm: panic: Watchdog goroutine is stuck
2025/08/30 09:20	gvisor	376319f48048	807a3b61	console log	report		info	ci-gvisor-kvm	kvm: panic: Watchdog goroutine is stuck
2025/08/18 02:29	gvisor	fc2f4df6597a	1804e95e	console log	report		info	ci-gvisor-kvm	kvm: panic: Watchdog goroutine is stuck

Crashes (4):

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