panic: Stack for running G's are skipped while panicking.
Sentry detected 3 stuck task(s):
	Task tid: 7621 (0x1dc5), entered RunSys state 3m43.57s ago.
	Task tid: 7620 (0x1dc4), entered RunSys state 3m43.47s ago.
	Task tid: 7625 (0x1dc9), entered RunSys state 3m43.56s ago.
Search for '(*Task).run(0x..., 0x<tid>)' in the stack dump to find the offending goroutine
DIAGNOSIS:
I0305 14:42:13.539613    4679 main.go:305] ***************************
I0305 14:42:13.539744    4679 main.go:306] Args: [/syzkaller/managers/ptrace-direct-overlay-host-race/current/image -root /syzkaller/managers/ptrace-direct-overlay-host-race/workdir/gvisor_root -watchdog-action=panic -network=none -debug -alsologtostderr -platform=ptrace -file-access=exclusive -overlay -network=host -TESTONLY-unsafe-nonroot debug -stacks --ps ci-gvisor-ptrace-direct-overlay-host-race-0]
I0305 14:42:13.539963    4679 main.go:307] Version release-20200219.0-72-gce4d1e45bb88
I0305 14:42:13.540039    4679 main.go:308] PID: 4679
I0305 14:42:13.540137    4679 main.go:309] UID: 0, GID: 0
I0305 14:42:13.540194    4679 main.go:310] Configuration:
I0305 14:42:13.540259    4679 main.go:311] 		RootDir: /syzkaller/managers/ptrace-direct-overlay-host-race/workdir/gvisor_root
I0305 14:42:13.540312    4679 main.go:312] 		Platform: ptrace
I0305 14:42:13.540379    4679 main.go:313] 		FileAccess: exclusive, overlay: true
I0305 14:42:13.540471    4679 main.go:314] 		Network: host, logging: false
I0305 14:42:13.540538    4679 main.go:315] 		Strace: false, max size: 1024, syscalls: []
I0305 14:42:13.540609    4679 main.go:316] ***************************
W0305 14:42:13.540678    4679 main.go:321] Block the TERM signal. This is only safe in tests!
D0305 14:42:13.540883    4679 container.go:159] Load container "/syzkaller/managers/ptrace-direct-overlay-host-race/workdir/gvisor_root" "ci-gvisor-ptrace-direct-overlay-host-race-0"
D0305 14:42:13.548339    4679 container.go:592] Signal container "ci-gvisor-ptrace-direct-overlay-host-race-0": signal 0
D0305 14:42:13.548528    4679 sandbox.go:806] Signal sandbox "ci-gvisor-ptrace-direct-overlay-host-race-0"
D0305 14:42:13.548628    4679 sandbox.go:318] Connecting to sandbox "ci-gvisor-ptrace-direct-overlay-host-race-0"
D0305 14:42:13.549164    4679 urpc.go:534] urpc: successfully marshalled 123 bytes.
I0305 14:42:23.243817    4679 debug.go:122] Found sandbox "ci-gvisor-ptrace-direct-overlay-host-race-0", PID: 50938
I0305 14:42:23.243995    4679 debug.go:131] Retrieving sandbox stacks
D0305 14:42:23.244134    4679 sandbox.go:924] Stacks sandbox "ci-gvisor-ptrace-direct-overlay-host-race-0"
D0305 14:42:23.244252    4679 sandbox.go:318] Connecting to sandbox "ci-gvisor-ptrace-direct-overlay-host-race-0"
W0305 14:42:23.244460    4679 error.go:48] FATAL ERROR: retrieving stacks: connecting to control server at PID 50938: connection refused
retrieving stacks: connecting to control server at PID 50938: connection refused
W0305 14:42:23.244872    4679 main.go:338] Failure to execute command, err: 1