panic: runtime error: index out of range [1] with length 0

goroutine 4779873 [running]:
encoding/binary.littleEndian.Uint16(...)
	GOROOT/src/encoding/binary/binary.go:53
DIAGNOSIS:
I0303 20:42:23.678763   40427 main.go:305] ***************************
I0303 20:42:23.678824   40427 main.go:306] Args: [/syzkaller/managers/main/current/image -root /syzkaller/managers/main/workdir/gvisor_root -watchdog-action=panic -network=none -debug -alsologtostderr -platform=ptrace -file-access=shared -network=none debug -stacks --ps ci-gvisor-main-2]
I0303 20:42:23.678887   40427 main.go:307] Version release-20200219.0-72-gce4d1e45bb88
I0303 20:42:23.678919   40427 main.go:308] PID: 40427
I0303 20:42:23.678958   40427 main.go:309] UID: 0, GID: 0
I0303 20:42:23.678994   40427 main.go:310] Configuration:
I0303 20:42:23.679022   40427 main.go:311] 		RootDir: /syzkaller/managers/main/workdir/gvisor_root
I0303 20:42:23.679068   40427 main.go:312] 		Platform: ptrace
I0303 20:42:23.679096   40427 main.go:313] 		FileAccess: shared, overlay: false
I0303 20:42:23.679135   40427 main.go:314] 		Network: none, logging: false
I0303 20:42:23.679167   40427 main.go:315] 		Strace: false, max size: 1024, syscalls: []
I0303 20:42:23.679213   40427 main.go:316] ***************************
D0303 20:42:23.685205   40427 container.go:159] Load container "/syzkaller/managers/main/workdir/gvisor_root" "ci-gvisor-main-2"
D0303 20:42:23.707458   40427 container.go:592] Signal container "ci-gvisor-main-2": signal 0
D0303 20:42:23.710613   40427 sandbox.go:806] Signal sandbox "ci-gvisor-main-2"
D0303 20:42:23.711710   40427 sandbox.go:318] Connecting to sandbox "ci-gvisor-main-2"
D0303 20:42:23.718209   40427 urpc.go:534] urpc: successfully marshalled 96 bytes.
I0303 20:42:24.717626   40427 debug.go:122] Found sandbox "ci-gvisor-main-2", PID: 36880
I0303 20:42:24.717660   40427 debug.go:131] Retrieving sandbox stacks
D0303 20:42:24.717685   40427 sandbox.go:924] Stacks sandbox "ci-gvisor-main-2"
D0303 20:42:24.717702   40427 sandbox.go:318] Connecting to sandbox "ci-gvisor-main-2"
W0303 20:42:24.717760   40427 error.go:48] FATAL ERROR: retrieving stacks: connecting to control server at PID 36880: connection refused
retrieving stacks: connecting to control server at PID 36880: connection refused
W0303 20:42:24.717897   40427 main.go:338] Failure to execute command, err: 1