panic: runtime error: makeslice: len out of range
DIAGNOSIS:
I0316 21:49:14.387717   30214 main.go:305] ***************************
I0316 21:49:14.387787   30214 main.go:306] Args: [/syzkaller/managers/kvm-direct-sandbox/current/image -root /syzkaller/managers/kvm-direct-sandbox/workdir/gvisor_root -watchdog-action=panic -network=none -debug -alsologtostderr -platform=kvm -file-access=exclusive -network=sandbox debug -stacks --ps ci-gvisor-kvm-direct-sandbox-2]
I0316 21:49:14.388402   30214 main.go:307] Version release-20200219.0-160-gf693e1334b6f
I0316 21:49:14.388428   30214 main.go:308] PID: 30214
I0316 21:49:14.388465   30214 main.go:309] UID: 0, GID: 0
I0316 21:49:14.388492   30214 main.go:310] Configuration:
I0316 21:49:14.388540   30214 main.go:311] 		RootDir: /syzkaller/managers/kvm-direct-sandbox/workdir/gvisor_root
I0316 21:49:14.388573   30214 main.go:312] 		Platform: kvm
I0316 21:49:14.388617   30214 main.go:313] 		FileAccess: exclusive, overlay: false
I0316 21:49:14.388665   30214 main.go:314] 		Network: sandbox, logging: false
I0316 21:49:14.388694   30214 main.go:315] 		Strace: false, max size: 1024, syscalls: []
I0316 21:49:14.388720   30214 main.go:316] ***************************
D0316 21:49:14.388797   30214 container.go:159] Load container "/syzkaller/managers/kvm-direct-sandbox/workdir/gvisor_root" "ci-gvisor-kvm-direct-sandbox-2"
D0316 21:49:14.390425   30214 container.go:592] Signal container "ci-gvisor-kvm-direct-sandbox-2": signal 0
D0316 21:49:14.390462   30214 sandbox.go:814] Signal sandbox "ci-gvisor-kvm-direct-sandbox-2"
D0316 21:49:14.390477   30214 sandbox.go:318] Connecting to sandbox "ci-gvisor-kvm-direct-sandbox-2"
D0316 21:49:14.390654   30214 urpc.go:534] urpc: successfully marshalled 110 bytes.
I0316 21:49:14.846488   30214 debug.go:128] Found sandbox "ci-gvisor-kvm-direct-sandbox-2", PID: 51942
I0316 21:49:14.846526   30214 debug.go:137] Retrieving sandbox stacks
D0316 21:49:14.846561   30214 sandbox.go:932] Stacks sandbox "ci-gvisor-kvm-direct-sandbox-2"
D0316 21:49:14.846578   30214 sandbox.go:318] Connecting to sandbox "ci-gvisor-kvm-direct-sandbox-2"
W0316 21:49:14.846630   30214 error.go:48] FATAL ERROR: retrieving stacks: connecting to control server at PID 51942: connection refused
retrieving stacks: connecting to control server at PID 51942: connection refused
W0316 21:49:14.846769   30214 main.go:338] Failure to execute command, err: 1