W0430 18:47:24.319286   19890 x:0] FATAL ERROR: waiting on pid 17: waiting on PID 17 in sandbox "ci-gvisor-kvm-direct-overlay-host-race-0": urpc method "containerManager.WaitPID" failed: EOF
waiting on pid 17: waiting on PID 17 in sandbox "ci-gvisor-kvm-direct-overlay-host-race-0": urpc method "containerManager.WaitPID" failed: EOF
DIAGNOSIS:
I0430 18:47:24.354346   54775 x:0] ***************************
I0430 18:47:24.354476   54775 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-0]
I0430 18:47:24.354546   54775 x:0] Version release-20190304.1-162-g81ecd8b6eab7
I0430 18:47:24.354577   54775 x:0] PID: 54775
I0430 18:47:24.354611   54775 x:0] UID: 0, GID: 0
I0430 18:47:24.354629   54775 x:0] Configuration:
I0430 18:47:24.354643   54775 x:0] 		RootDir: /syzkaller/managers/kvm-direct-overlay-host-race/workdir/gvisor_root
I0430 18:47:24.354668   54775 x:0] 		Platform: ptrace
I0430 18:47:24.354738   54775 x:0] 		FileAccess: exclusive, overlay: true
I0430 18:47:24.354798   54775 x:0] 		Network: host, logging: false
I0430 18:47:24.354831   54775 x:0] 		Strace: false, max size: 1024, syscalls: []
I0430 18:47:24.354881   54775 x:0] ***************************
D0430 18:47:24.355148   54775 x:0] Load container "/syzkaller/managers/kvm-direct-overlay-host-race/workdir/gvisor_root" "ci-gvisor-kvm-direct-overlay-host-race-0"
D0430 18:47:24.362122   54775 x:0] Signal container "ci-gvisor-kvm-direct-overlay-host-race-0": signal 0
D0430 18:47:24.362206   54775 x:0] Signal sandbox "ci-gvisor-kvm-direct-overlay-host-race-0"
D0430 18:47:24.362245   54775 x:0] Connecting to sandbox "ci-gvisor-kvm-direct-overlay-host-race-0"
D0430 18:47:24.362668   54775 x:0] urpc: successfully marshalled 120 bytes.
I0430 18:47:24.369737   54775 x:0] Found sandbox "ci-gvisor-kvm-direct-overlay-host-race-0", PID: 19389
I0430 18:47:24.369803   54775 x:0] Retrieving sandbox stacks
D0430 18:47:24.369826   54775 x:0] Stacks sandbox "ci-gvisor-kvm-direct-overlay-host-race-0"
D0430 18:47:24.369867   54775 x:0] Connecting to sandbox "ci-gvisor-kvm-direct-overlay-host-race-0"
W0430 18:47:24.369953   54775 x:0] FATAL ERROR: retrieving stacks: connecting to control server at PID 19389: connection refused
retrieving stacks: connecting to control server at PID 19389: connection refused