W0429 09:00:46.039565   50697 x:0] FATAL ERROR: waiting on pid 18: waiting on PID 18 in sandbox "ci-gvisor-kvm-direct-overlay-host-race-0": urpc method "containerManager.WaitPID" failed: EOF
waiting on pid 18: waiting on PID 18 in sandbox "ci-gvisor-kvm-direct-overlay-host-race-0": urpc method "containerManager.WaitPID" failed: EOF
DIAGNOSIS:
I0429 09:00:46.100023   40231 x:0] ***************************
I0429 09:00:46.100221   40231 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]
I0429 09:00:46.100377   40231 x:0] Version release-20190304.1-154-g66bca6fc2213
I0429 09:00:46.100430   40231 x:0] PID: 40231
I0429 09:00:46.100520   40231 x:0] UID: 0, GID: 0
I0429 09:00:46.100561   40231 x:0] Configuration:
I0429 09:00:46.100615   40231 x:0] 		RootDir: /syzkaller/managers/kvm-direct-overlay-host-race/workdir/gvisor_root
I0429 09:00:46.100727   40231 x:0] 		Platform: ptrace
I0429 09:00:46.100851   40231 x:0] 		FileAccess: exclusive, overlay: true
I0429 09:00:46.100907   40231 x:0] 		Network: host, logging: false
I0429 09:00:46.100981   40231 x:0] 		Strace: false, max size: 1024, syscalls: []
I0429 09:00:46.101022   40231 x:0] ***************************
D0429 09:00:46.101204   40231 x:0] Load container "/syzkaller/managers/kvm-direct-overlay-host-race/workdir/gvisor_root" "ci-gvisor-kvm-direct-overlay-host-race-0"
D0429 09:00:46.108407   40231 x:0] Signal container "ci-gvisor-kvm-direct-overlay-host-race-0": signal 0
D0429 09:00:46.108537   40231 x:0] Signal sandbox "ci-gvisor-kvm-direct-overlay-host-race-0"
D0429 09:00:46.108625   40231 x:0] Connecting to sandbox "ci-gvisor-kvm-direct-overlay-host-race-0"
I0429 09:00:46.108822   40231 x:0] Found sandbox "ci-gvisor-kvm-direct-overlay-host-race-0", PID: 49872
I0429 09:00:46.108905   40231 x:0] Retrieving sandbox stacks
D0429 09:00:46.109179   40231 x:0] Stacks sandbox "ci-gvisor-kvm-direct-overlay-host-race-0"
D0429 09:00:46.109254   40231 x:0] Connecting to sandbox "ci-gvisor-kvm-direct-overlay-host-race-0"
W0429 09:00:46.109385   40231 x:0] FATAL ERROR: retrieving stacks: connecting to control server at PID 49872: connection refused
retrieving stacks: connecting to control server at PID 49872: connection refused