panic: runtime error: makeslice: len out of range

DIAGNOSIS:
I0316 21:23:15.420473   41726 main.go:305] ***************************
I0316 21:23:15.420550   41726 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-1]
I0316 21:23:15.420591   41726 main.go:307] Version release-20200219.0-179-g52758e16e0d1
I0316 21:23:15.420616   41726 main.go:308] PID: 41726
I0316 21:23:15.420647   41726 main.go:309] UID: 0, GID: 0
I0316 21:23:15.420669   41726 main.go:310] Configuration:
I0316 21:23:15.420692   41726 main.go:311] 		RootDir: /syzkaller/managers/main/workdir/gvisor_root
I0316 21:23:15.420712   41726 main.go:312] 		Platform: ptrace
I0316 21:23:15.420739   41726 main.go:313] 		FileAccess: shared, overlay: false
I0316 21:23:15.420773   41726 main.go:314] 		Network: none, logging: false
I0316 21:23:15.420796   41726 main.go:315] 		Strace: false, max size: 1024, syscalls: []
I0316 21:23:15.420823   41726 main.go:316] ***************************
D0316 21:23:15.422049   41726 container.go:159] Load container "/syzkaller/managers/main/workdir/gvisor_root" "ci-gvisor-main-1"
D0316 21:23:15.433051   41726 container.go:592] Signal container "ci-gvisor-main-1": signal 0
D0316 21:23:15.433094   41726 sandbox.go:814] Signal sandbox "ci-gvisor-main-1"
D0316 21:23:15.433118   41726 sandbox.go:318] Connecting to sandbox "ci-gvisor-main-1"
D0316 21:23:15.433914   41726 urpc.go:534] urpc: successfully marshalled 96 bytes.
I0316 21:23:17.411426   41726 debug.go:128] Found sandbox "ci-gvisor-main-1", PID: 56626
I0316 21:23:17.411494   41726 debug.go:137] Retrieving sandbox stacks
D0316 21:23:17.414251   41726 sandbox.go:932] Stacks sandbox "ci-gvisor-main-1"
D0316 21:23:17.414287   41726 sandbox.go:318] Connecting to sandbox "ci-gvisor-main-1"
W0316 21:23:17.414958   41726 error.go:48] FATAL ERROR: retrieving stacks: connecting to control server at PID 56626: connection refused
retrieving stacks: connecting to control server at PID 56626: connection refused
W0316 21:23:17.415111   41726 main.go:338] Failure to execute command, err: 1