panic: Watchdog goroutine is stuck:
Stack for running G's are skipped while panicking.
goroutine 141 [running]:
DIAGNOSIS:
I0317 12:53:19.710416 56263 main.go:305] ***************************
I0317 12:53:19.710478 56263 main.go:306] 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-1]
I0317 12:53:19.710529 56263 main.go:307] Version release-20200219.0-175-g829beebf0b67
I0317 12:53:19.710554 56263 main.go:308] PID: 56263
I0317 12:53:19.710583 56263 main.go:309] UID: 0, GID: 0
I0317 12:53:19.710610 56263 main.go:310] Configuration:
I0317 12:53:19.710635 56263 main.go:311] RootDir: /syzkaller/managers/kvm-proxy-overlay-sandbox/workdir/gvisor_root
I0317 12:53:19.710698 56263 main.go:312] Platform: kvm
I0317 12:53:19.710728 56263 main.go:313] FileAccess: exclusive, overlay: true
I0317 12:53:19.710770 56263 main.go:314] Network: sandbox, logging: false
I0317 12:53:19.710799 56263 main.go:315] Strace: false, max size: 1024, syscalls: []
I0317 12:53:19.710827 56263 main.go:316] ***************************
D0317 12:53:19.710896 56263 container.go:159] Load container "/syzkaller/managers/kvm-proxy-overlay-sandbox/workdir/gvisor_root" "ci-gvisor-kvm-proxy-overlay-sandbox-1"
D0317 12:53:19.712543 56263 container.go:592] Signal container "ci-gvisor-kvm-proxy-overlay-sandbox-1": signal 0
D0317 12:53:19.712609 56263 sandbox.go:814] Signal sandbox "ci-gvisor-kvm-proxy-overlay-sandbox-1"
D0317 12:53:19.712625 56263 sandbox.go:318] Connecting to sandbox "ci-gvisor-kvm-proxy-overlay-sandbox-1"
D0317 12:53:19.712756 56263 urpc.go:534] urpc: successfully marshalled 117 bytes.
I0317 12:53:20.485074 56263 debug.go:128] Found sandbox "ci-gvisor-kvm-proxy-overlay-sandbox-1", PID: 52771
I0317 12:53:20.485117 56263 debug.go:137] Retrieving sandbox stacks
D0317 12:53:20.485153 56263 sandbox.go:932] Stacks sandbox "ci-gvisor-kvm-proxy-overlay-sandbox-1"
D0317 12:53:20.485179 56263 sandbox.go:318] Connecting to sandbox "ci-gvisor-kvm-proxy-overlay-sandbox-1"
D0317 12:53:20.485249 56263 urpc.go:534] urpc: successfully marshalled 36 bytes.
W0317 12:53:20.533522 56263 error.go:48] FATAL ERROR: retrieving stacks: getting sandbox "ci-gvisor-kvm-proxy-overlay-sandbox-1" stacks: urpc method "debug.Stacks" failed: connection reset by peer
retrieving stacks: getting sandbox "ci-gvisor-kvm-proxy-overlay-sandbox-1" stacks: urpc method "debug.Stacks" failed: connection reset by peer
W0317 12:53:20.533699 56263 main.go:338] Failure to execute command, err: 1