W0507 13:43:25.811645    7930 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:
I0507 13:43:25.915316   50930 x:0] ***************************
I0507 13:43:25.915443   50930 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]
I0507 13:43:25.915503   50930 x:0] Version release-20190304.1-170-g8972e47a2edb
I0507 13:43:25.915570   50930 x:0] PID: 50930
I0507 13:43:25.915610   50930 x:0] UID: 0, GID: 0
I0507 13:43:25.915680   50930 x:0] Configuration:
I0507 13:43:25.915713   50930 x:0] 		RootDir: /syzkaller/managers/kvm-direct-overlay-host-race/workdir/gvisor_root
I0507 13:43:25.915756   50930 x:0] 		Platform: ptrace
I0507 13:43:25.915817   50930 x:0] 		FileAccess: exclusive, overlay: true
I0507 13:43:25.915871   50930 x:0] 		Network: host, logging: false
I0507 13:43:25.915940   50930 x:0] 		Strace: false, max size: 1024, syscalls: []
I0507 13:43:25.915986   50930 x:0] ***************************
D0507 13:43:25.916123   50930 x:0] Load container "/syzkaller/managers/kvm-direct-overlay-host-race/workdir/gvisor_root" "ci-gvisor-kvm-direct-overlay-host-race-0"
D0507 13:43:25.922335   50930 x:0] Signal container "ci-gvisor-kvm-direct-overlay-host-race-0": signal 0
D0507 13:43:25.922792   50930 x:0] Signal sandbox "ci-gvisor-kvm-direct-overlay-host-race-0"
D0507 13:43:25.923155   50930 x:0] Connecting to sandbox "ci-gvisor-kvm-direct-overlay-host-race-0"
D0507 13:43:25.923583   50930 x:0] urpc: successfully marshalled 120 bytes.
I0507 13:43:26.112860   50930 x:0] Found sandbox "ci-gvisor-kvm-direct-overlay-host-race-0", PID: 7431
I0507 13:43:26.112928   50930 x:0] Retrieving sandbox stacks
D0507 13:43:26.113071   50930 x:0] Stacks sandbox "ci-gvisor-kvm-direct-overlay-host-race-0"
D0507 13:43:26.113127   50930 x:0] Connecting to sandbox "ci-gvisor-kvm-direct-overlay-host-race-0"
W0507 13:43:26.113222   50930 x:0] FATAL ERROR: retrieving stacks: connecting to control server at PID 7431: connection refused
retrieving stacks: connecting to control server at PID 7431: connection refused