W0429 09:54:57.739046   15891 x:0] FATAL ERROR: waiting on pid 18: waiting on PID 18 in sandbox "ci-gvisor-kvm-direct-overlay-host-race-2": urpc method "containerManager.WaitPID" failed: EOF
waiting on pid 18: waiting on PID 18 in sandbox "ci-gvisor-kvm-direct-overlay-host-race-2": urpc method "containerManager.WaitPID" failed: EOF
DIAGNOSIS:
I0429 09:54:57.778841   48285 x:0] ***************************
I0429 09:54:57.779024   48285 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]
I0429 09:54:57.779137   48285 x:0] Version release-20190304.1-154-g66bca6fc2213
I0429 09:54:57.779176   48285 x:0] PID: 48285
I0429 09:54:57.779280   48285 x:0] UID: 0, GID: 0
I0429 09:54:57.779365   48285 x:0] Configuration:
I0429 09:54:57.779402   48285 x:0] 		RootDir: /syzkaller/managers/kvm-direct-overlay-host-race/workdir/gvisor_root
I0429 09:54:57.779423   48285 x:0] 		Platform: ptrace
I0429 09:54:57.779448   48285 x:0] 		FileAccess: exclusive, overlay: true
I0429 09:54:57.779476   48285 x:0] 		Network: host, logging: false
I0429 09:54:57.779493   48285 x:0] 		Strace: false, max size: 1024, syscalls: []
I0429 09:54:57.779516   48285 x:0] ***************************
D0429 09:54:57.779571   48285 x:0] Load container "/syzkaller/managers/kvm-direct-overlay-host-race/workdir/gvisor_root" "ci-gvisor-kvm-direct-overlay-host-race-2"
D0429 09:54:57.785506   48285 x:0] Signal container "ci-gvisor-kvm-direct-overlay-host-race-2": signal 0
D0429 09:54:57.785607   48285 x:0] Signal sandbox "ci-gvisor-kvm-direct-overlay-host-race-2"
D0429 09:54:57.785661   48285 x:0] Connecting to sandbox "ci-gvisor-kvm-direct-overlay-host-race-2"
D0429 09:54:57.786046   48285 x:0] urpc: successfully marshalled 120 bytes.
I0429 09:54:57.795078   48285 x:0] Found sandbox "ci-gvisor-kvm-direct-overlay-host-race-2", PID: 15394
I0429 09:54:57.795136   48285 x:0] Retrieving sandbox stacks
D0429 09:54:57.795176   48285 x:0] Stacks sandbox "ci-gvisor-kvm-direct-overlay-host-race-2"
D0429 09:54:57.795218   48285 x:0] Connecting to sandbox "ci-gvisor-kvm-direct-overlay-host-race-2"
W0429 09:54:57.795299   48285 x:0] FATAL ERROR: retrieving stacks: connecting to control server at PID 15394: connection refused
retrieving stacks: connecting to control server at PID 15394: connection refused