W0605 02:36:11.774958   55344 x:0] FATAL ERROR: waiting on pid 18: waiting on PID 18 in sandbox "ci-gvisor-ptrace-proxy-sandbox-race-1": urpc method "containerManager.WaitPID" failed: EOF
waiting on pid 18: waiting on PID 18 in sandbox "ci-gvisor-ptrace-proxy-sandbox-race-1": urpc method "containerManager.WaitPID" failed: EOF
DIAGNOSIS:
I0605 02:36:12.032087   20559 x:0] ***************************
I0605 02:36:12.033231   20559 x:0] Args: [/syzkaller/managers/ptrace-proxy-sandbox-race/current/image -root /syzkaller/managers/ptrace-proxy-sandbox-race/workdir/gvisor_root -watchdog-action=panic -network=none -debug -platform=ptrace -file-access=shared -network=sandbox debug -stacks ci-gvisor-ptrace-proxy-sandbox-race-1]
I0605 02:36:12.033398   20559 x:0] Version release-20190529.1-55-g6f92038ce0d2
I0605 02:36:12.033429   20559 x:0] PID: 20559
I0605 02:36:12.033490   20559 x:0] UID: 0, GID: 0
I0605 02:36:12.033558   20559 x:0] Configuration:
I0605 02:36:12.033580   20559 x:0] 		RootDir: /syzkaller/managers/ptrace-proxy-sandbox-race/workdir/gvisor_root
I0605 02:36:12.033651   20559 x:0] 		Platform: ptrace
I0605 02:36:12.033677   20559 x:0] 		FileAccess: shared, overlay: false
I0605 02:36:12.033760   20559 x:0] 		Network: sandbox, logging: false
I0605 02:36:12.033828   20559 x:0] 		Strace: false, max size: 1024, syscalls: []
I0605 02:36:12.033861   20559 x:0] ***************************
D0605 02:36:12.034128   20559 x:0] Load container "/syzkaller/managers/ptrace-proxy-sandbox-race/workdir/gvisor_root" "ci-gvisor-ptrace-proxy-sandbox-race-1"
D0605 02:36:12.062779   20559 x:0] Signal container "ci-gvisor-ptrace-proxy-sandbox-race-1": signal 0
D0605 02:36:12.062962   20559 x:0] Signal sandbox "ci-gvisor-ptrace-proxy-sandbox-race-1"
D0605 02:36:12.063096   20559 x:0] Connecting to sandbox "ci-gvisor-ptrace-proxy-sandbox-race-1"
I0605 02:36:12.063287   20559 x:0] Found sandbox "ci-gvisor-ptrace-proxy-sandbox-race-1", PID: 51292
I0605 02:36:12.063357   20559 x:0] Retrieving sandbox stacks
D0605 02:36:12.063410   20559 x:0] Stacks sandbox "ci-gvisor-ptrace-proxy-sandbox-race-1"
D0605 02:36:12.063461   20559 x:0] Connecting to sandbox "ci-gvisor-ptrace-proxy-sandbox-race-1"
W0605 02:36:12.063591   20559 x:0] FATAL ERROR: retrieving stacks: connecting to control server at PID 51292: connection refused
retrieving stacks: connecting to control server at PID 51292: connection refused