W0526 11:14:48.274754   16663 x:0] FATAL ERROR: waiting on pid 26: waiting on PID 26 in sandbox "ci-gvisor-kvm-proxy-overlay-sandbox-3": urpc method "containerManager.WaitPID" failed: EOF
waiting on pid 26: waiting on PID 26 in sandbox "ci-gvisor-kvm-proxy-overlay-sandbox-3": urpc method "containerManager.WaitPID" failed: EOF
DIAGNOSIS:
I0526 11:14:48.287390   39447 x:0] ***************************
I0526 11:14:48.287482   39447 x:0] Args: [/syzkaller/managers/kvm-proxy-overlay-sandbox/current/image -root /syzkaller/managers/kvm-proxy-overlay-sandbox/workdir/gvisor_root -watchdog-action=panic -network=none -debug -platform=kvm -file-access=exclusive -overlay -network=sandbox debug -stacks ci-gvisor-kvm-proxy-overlay-sandbox-3]
I0526 11:14:48.287505   39447 x:0] Version release-20190304.1-232-g6cdec6fadf75
I0526 11:14:48.287520   39447 x:0] PID: 39447
I0526 11:14:48.287526   39447 x:0] UID: 0, GID: 0
I0526 11:14:48.287529   39447 x:0] Configuration:
I0526 11:14:48.287532   39447 x:0] 		RootDir: /syzkaller/managers/kvm-proxy-overlay-sandbox/workdir/gvisor_root
I0526 11:14:48.287535   39447 x:0] 		Platform: kvm
I0526 11:14:48.287542   39447 x:0] 		FileAccess: exclusive, overlay: true
I0526 11:14:48.287549   39447 x:0] 		Network: sandbox, logging: false
I0526 11:14:48.287556   39447 x:0] 		Strace: false, max size: 1024, syscalls: []
I0526 11:14:48.287560   39447 x:0] ***************************
D0526 11:14:48.287581   39447 x:0] Load container "/syzkaller/managers/kvm-proxy-overlay-sandbox/workdir/gvisor_root" "ci-gvisor-kvm-proxy-overlay-sandbox-3"
D0526 11:14:48.289432   39447 x:0] Signal container "ci-gvisor-kvm-proxy-overlay-sandbox-3": signal 0
D0526 11:14:48.289482   39447 x:0] Signal sandbox "ci-gvisor-kvm-proxy-overlay-sandbox-3"
D0526 11:14:48.289489   39447 x:0] Connecting to sandbox "ci-gvisor-kvm-proxy-overlay-sandbox-3"
D0526 11:14:48.289645   39447 x:0] urpc: successfully marshalled 117 bytes.
I0526 11:14:48.354550   39447 x:0] Found sandbox "ci-gvisor-kvm-proxy-overlay-sandbox-3", PID: 15909
I0526 11:14:48.354574   39447 x:0] Retrieving sandbox stacks
D0526 11:14:48.354601   39447 x:0] Stacks sandbox "ci-gvisor-kvm-proxy-overlay-sandbox-3"
D0526 11:14:48.354605   39447 x:0] Connecting to sandbox "ci-gvisor-kvm-proxy-overlay-sandbox-3"
W0526 11:14:48.354659   39447 x:0] FATAL ERROR: retrieving stacks: connecting to control server at PID 15909: connection refused
retrieving stacks: connecting to control server at PID 15909: connection refused