panic: Sentry detected 2 stuck task(s):
	Task tid: 31845 (0x7c65), entered RunSys state 3m28.8s ago.
	Task tid: 31828 (0x7c54), entered RunSys state 3m28.86s ago.
Search for '(*Task).run(0x..., 0x<tid>)' in the stack dump to find the offending goroutine
DIAGNOSIS:
I0312 18:29:42.696381   11349 main.go:305] ***************************
I0312 18:29:42.696453   11349 main.go:306] Args: [/syzkaller/managers/ptrace-direct-overlay-host/current/image -root /syzkaller/managers/ptrace-direct-overlay-host/workdir/gvisor_root -watchdog-action=panic -network=none -debug -alsologtostderr -platform=ptrace -file-access=shared -network=host debug -stacks --ps ci-gvisor-ptrace-direct-overlay-host-2]
I0312 18:29:42.696509   11349 main.go:307] Version release-20200219.0-136-g24e7005ab6bd
I0312 18:29:42.696533   11349 main.go:308] PID: 11349
I0312 18:29:42.696560   11349 main.go:309] UID: 0, GID: 0
I0312 18:29:42.696584   11349 main.go:310] Configuration:
I0312 18:29:42.696607   11349 main.go:311] 		RootDir: /syzkaller/managers/ptrace-direct-overlay-host/workdir/gvisor_root
I0312 18:29:42.696642   11349 main.go:312] 		Platform: ptrace
I0312 18:29:42.696666   11349 main.go:313] 		FileAccess: shared, overlay: false
I0312 18:29:42.696703   11349 main.go:314] 		Network: host, logging: false
I0312 18:29:42.696736   11349 main.go:315] 		Strace: false, max size: 1024, syscalls: []
I0312 18:29:42.696761   11349 main.go:316] ***************************
D0312 18:29:42.696841   11349 container.go:159] Load container "/syzkaller/managers/ptrace-direct-overlay-host/workdir/gvisor_root" "ci-gvisor-ptrace-direct-overlay-host-2"
D0312 18:29:42.698316   11349 container.go:592] Signal container "ci-gvisor-ptrace-direct-overlay-host-2": signal 0
D0312 18:29:42.698351   11349 sandbox.go:806] Signal sandbox "ci-gvisor-ptrace-direct-overlay-host-2"
D0312 18:29:42.698387   11349 sandbox.go:318] Connecting to sandbox "ci-gvisor-ptrace-direct-overlay-host-2"
D0312 18:29:42.698532   11349 urpc.go:534] urpc: successfully marshalled 118 bytes.
I0312 18:29:43.120524   11349 debug.go:128] Found sandbox "ci-gvisor-ptrace-direct-overlay-host-2", PID: 37858
I0312 18:29:43.120572   11349 debug.go:137] Retrieving sandbox stacks
D0312 18:29:43.120601   11349 sandbox.go:924] Stacks sandbox "ci-gvisor-ptrace-direct-overlay-host-2"
D0312 18:29:43.120618   11349 sandbox.go:318] Connecting to sandbox "ci-gvisor-ptrace-direct-overlay-host-2"
W0312 18:29:43.120659   11349 error.go:48] FATAL ERROR: retrieving stacks: connecting to control server at PID 37858: connection refused
retrieving stacks: connecting to control server at PID 37858: connection refused
W0312 18:29:43.120781   11349 main.go:338] Failure to execute command, err: 1