W0423 20:33:58.724639   21680 x:0] FATAL ERROR: waiting on pid 19: waiting on PID 19 in sandbox "ci-gvisor-kvm-direct-overlay-host-race-2": urpc method "containerManager.WaitPID" failed: EOF
waiting on pid 19: waiting on PID 19 in sandbox "ci-gvisor-kvm-direct-overlay-host-race-2": urpc method "containerManager.WaitPID" failed: EOF
DIAGNOSIS:
I0423 20:33:58.761018   65409 x:0] ***************************
I0423 20:33:58.761175   65409 x:0] Args: [/syzkaller/managers/kvm-direct-overlay-host-race/current/image -root /syzkaller/managers/kvm-direct-overlay-host-race/workdir/gvisor_root -watchdog-action=panic -network=none -debug -platform=ptrace -file-access=exclusive -overlay -network=host debug -stacks ci-gvisor-kvm-direct-overlay-host-race-2]
I0423 20:33:58.761257   65409 x:0] Version release-20190304.1-133-g17ff6063a375
I0423 20:33:58.761305   65409 x:0] PID: 65409
I0423 20:33:58.761334   65409 x:0] UID: 0, GID: 0
I0423 20:33:58.761366   65409 x:0] Configuration:
I0423 20:33:58.761404   65409 x:0] 		RootDir: /syzkaller/managers/kvm-direct-overlay-host-race/workdir/gvisor_root
I0423 20:33:58.761436   65409 x:0] 		Platform: ptrace
I0423 20:33:58.761499   65409 x:0] 		FileAccess: exclusive, overlay: true
I0423 20:33:58.761528   65409 x:0] 		Network: host, logging: false
I0423 20:33:58.761581   65409 x:0] 		Strace: false, max size: 1024, syscalls: []
I0423 20:33:58.761629   65409 x:0] ***************************
D0423 20:33:58.761925   65409 x:0] Load container "/syzkaller/managers/kvm-direct-overlay-host-race/workdir/gvisor_root" "ci-gvisor-kvm-direct-overlay-host-race-2"
D0423 20:33:58.772299   65409 x:0] Signal container "ci-gvisor-kvm-direct-overlay-host-race-2": signal 0
D0423 20:33:58.772385   65409 x:0] Signal sandbox "ci-gvisor-kvm-direct-overlay-host-race-2"
D0423 20:33:58.772470   65409 x:0] Connecting to sandbox "ci-gvisor-kvm-direct-overlay-host-race-2"
D0423 20:33:58.773472   65409 x:0] urpc: successfully marshalled 120 bytes.
I0423 20:33:58.787796   65409 x:0] Found sandbox "ci-gvisor-kvm-direct-overlay-host-race-2", PID: 21470
I0423 20:33:58.787925   65409 x:0] Retrieving sandbox stacks
D0423 20:33:58.788166   65409 x:0] Stacks sandbox "ci-gvisor-kvm-direct-overlay-host-race-2"
D0423 20:33:58.788247   65409 x:0] Connecting to sandbox "ci-gvisor-kvm-direct-overlay-host-race-2"
W0423 20:33:58.788372   65409 x:0] FATAL ERROR: retrieving stacks: connecting to control server at PID 21470: connection refused
retrieving stacks: connecting to control server at PID 21470: connection refused