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


DIAGNOSIS:
I0228 03:25:06.616413   13082 main.go:296] ***************************
I0228 03:25:06.616472   13082 main.go:297] Args: [/syzkaller/managers/kvm-proxy-overlay-sandbox/current/image -root /syzkaller/managers/kvm-proxy-overlay-sandbox/workdir/gvisor_root -watchdog-action=panic -network=none -debug -alsologtostderr -platform=kvm -file-access=exclusive -overlay -network=sandbox debug -stacks --ps ci-gvisor-kvm-proxy-overlay-sandbox-0]
I0228 03:25:06.616535   13082 main.go:298] Version release-20200219.0-52-gabf7ebcd38e8
I0228 03:25:06.616566   13082 main.go:299] PID: 13082
I0228 03:25:06.616600   13082 main.go:300] UID: 0, GID: 0
I0228 03:25:06.616626   13082 main.go:301] Configuration:
I0228 03:25:06.616654   13082 main.go:302] 		RootDir: /syzkaller/managers/kvm-proxy-overlay-sandbox/workdir/gvisor_root
I0228 03:25:06.616681   13082 main.go:303] 		Platform: kvm
I0228 03:25:06.616709   13082 main.go:304] 		FileAccess: exclusive, overlay: true
I0228 03:25:06.616756   13082 main.go:305] 		Network: sandbox, logging: false
I0228 03:25:06.616790   13082 main.go:306] 		Strace: false, max size: 1024, syscalls: []
I0228 03:25:06.616823   13082 main.go:307] ***************************
D0228 03:25:06.616878   13082 container.go:158] Load container "/syzkaller/managers/kvm-proxy-overlay-sandbox/workdir/gvisor_root" "ci-gvisor-kvm-proxy-overlay-sandbox-0"
D0228 03:25:06.618745   13082 container.go:591] Signal container "ci-gvisor-kvm-proxy-overlay-sandbox-0": signal 0
D0228 03:25:06.618812   13082 sandbox.go:788] Signal sandbox "ci-gvisor-kvm-proxy-overlay-sandbox-0"
D0228 03:25:06.618829   13082 sandbox.go:318] Connecting to sandbox "ci-gvisor-kvm-proxy-overlay-sandbox-0"
D0228 03:25:06.619360   13082 urpc.go:534] urpc: successfully marshalled 117 bytes.
I0228 03:25:07.364038   13082 debug.go:122] Found sandbox "ci-gvisor-kvm-proxy-overlay-sandbox-0", PID: 56507
I0228 03:25:07.364095   13082 debug.go:131] Retrieving sandbox stacks
D0228 03:25:07.364119   13082 sandbox.go:906] Stacks sandbox "ci-gvisor-kvm-proxy-overlay-sandbox-0"
D0228 03:25:07.364136   13082 sandbox.go:318] Connecting to sandbox "ci-gvisor-kvm-proxy-overlay-sandbox-0"
D0228 03:25:07.364207   13082 urpc.go:534] urpc: successfully marshalled 36 bytes.
W0228 03:25:07.422879   13082 error.go:48] FATAL ERROR: retrieving stacks: getting sandbox "ci-gvisor-kvm-proxy-overlay-sandbox-0" stacks: urpc method "debug.Stacks" failed: connection reset by peer
retrieving stacks: getting sandbox "ci-gvisor-kvm-proxy-overlay-sandbox-0" stacks: urpc method "debug.Stacks" failed: connection reset by peer
W0228 03:25:07.422997   13082 main.go:329] Failure to execute command, err: 1