W0518 07:41:49.184366   10153 x:0] FATAL ERROR: waiting on pid 18: waiting on PID 18 in sandbox "ci-gvisor-main-0": urpc method "containerManager.WaitPID" failed: EOF
waiting on pid 18: waiting on PID 18 in sandbox "ci-gvisor-main-0": urpc method "containerManager.WaitPID" failed: EOF
DIAGNOSIS:
I0518 07:41:49.222209   22700 x:0] ***************************
I0518 07:41:49.222293   22700 x:0] Args: [/syzkaller/managers/main/current/image -root /syzkaller/managers/main/workdir/gvisor_root -watchdog-action=panic -network=none -debug -platform=ptrace -file-access=shared -network=none debug -stacks ci-gvisor-main-0]
I0518 07:41:49.222319   22700 x:0] Version release-20190304.1-210-g4a842836e560
I0518 07:41:49.222328   22700 x:0] PID: 22700
I0518 07:41:49.222344   22700 x:0] UID: 0, GID: 0
I0518 07:41:49.222366   22700 x:0] Configuration:
I0518 07:41:49.222371   22700 x:0] 		RootDir: /syzkaller/managers/main/workdir/gvisor_root
I0518 07:41:49.222375   22700 x:0] 		Platform: ptrace
I0518 07:41:49.222422   22700 x:0] 		FileAccess: shared, overlay: false
I0518 07:41:49.222433   22700 x:0] 		Network: none, logging: false
I0518 07:41:49.222451   22700 x:0] 		Strace: false, max size: 1024, syscalls: []
I0518 07:41:49.222457   22700 x:0] ***************************
D0518 07:41:49.222478   22700 x:0] Load container "/syzkaller/managers/main/workdir/gvisor_root" "ci-gvisor-main-0"
D0518 07:41:49.225110   22700 x:0] Signal container "ci-gvisor-main-0": signal 0
D0518 07:41:49.225151   22700 x:0] Signal sandbox "ci-gvisor-main-0"
D0518 07:41:49.225165   22700 x:0] Connecting to sandbox "ci-gvisor-main-0"
D0518 07:41:49.225318   22700 x:0] urpc: successfully marshalled 96 bytes.
I0518 07:41:49.248694   22700 x:0] Found sandbox "ci-gvisor-main-0", PID: 9854
I0518 07:41:49.248710   22700 x:0] Retrieving sandbox stacks
D0518 07:41:49.248715   22700 x:0] Stacks sandbox "ci-gvisor-main-0"
D0518 07:41:49.248720   22700 x:0] Connecting to sandbox "ci-gvisor-main-0"
W0518 07:41:49.248772   22700 x:0] FATAL ERROR: retrieving stacks: connecting to control server at PID 9854: connection refused
retrieving stacks: connecting to control server at PID 9854: connection refused