panic: runtime error: makeslice: len out of range

goroutine 271 [running]:
DIAGNOSIS:
I0312 07:07:25.140361    3447 main.go:305] ***************************
I0312 07:07:25.140418    3447 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-3]
I0312 07:07:25.140449    3447 main.go:307] Version release-20200219.0-136-g24e7005ab6bd
I0312 07:07:25.140466    3447 main.go:308] PID: 3447
I0312 07:07:25.140498    3447 main.go:309] UID: 0, GID: 0
I0312 07:07:25.140534    3447 main.go:310] Configuration:
I0312 07:07:25.140570    3447 main.go:311] 		RootDir: /syzkaller/managers/main/workdir/gvisor_root
I0312 07:07:25.140591    3447 main.go:312] 		Platform: ptrace
I0312 07:07:25.140608    3447 main.go:313] 		FileAccess: shared, overlay: false
I0312 07:07:25.140646    3447 main.go:314] 		Network: none, logging: false
I0312 07:07:25.140677    3447 main.go:315] 		Strace: false, max size: 1024, syscalls: []
I0312 07:07:25.140704    3447 main.go:316] ***************************
D0312 07:07:25.140780    3447 container.go:159] Load container "/syzkaller/managers/main/workdir/gvisor_root" "ci-gvisor-main-3"
D0312 07:07:25.142286    3447 container.go:592] Signal container "ci-gvisor-main-3": signal 0
D0312 07:07:25.142334    3447 sandbox.go:806] Signal sandbox "ci-gvisor-main-3"
D0312 07:07:25.142359    3447 sandbox.go:318] Connecting to sandbox "ci-gvisor-main-3"
D0312 07:07:25.142651    3447 urpc.go:534] urpc: successfully marshalled 96 bytes.
I0312 07:07:25.453713    3447 debug.go:128] Found sandbox "ci-gvisor-main-3", PID: 61854
I0312 07:07:25.453794    3447 debug.go:137] Retrieving sandbox stacks
D0312 07:07:25.453824    3447 sandbox.go:924] Stacks sandbox "ci-gvisor-main-3"
D0312 07:07:25.453843    3447 sandbox.go:318] Connecting to sandbox "ci-gvisor-main-3"
W0312 07:07:25.453892    3447 error.go:48] FATAL ERROR: retrieving stacks: connecting to control server at PID 61854: connection refused
retrieving stacks: connecting to control server at PID 61854: connection refused
W0312 07:07:25.454094    3447 main.go:338] Failure to execute command, err: 1