panic: invalid allocation length: 0x0

goroutine 361 [running]:
DIAGNOSIS:
I0121 06:31:10.899210   30558 x:0] ***************************
I0121 06:31:10.899228   30558 x:0] 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-0]
I0121 06:31:10.899253   30558 x:0] Version release-20200115.0-34-g10401599e104
I0121 06:31:10.899259   30558 x:0] PID: 30558
I0121 06:31:10.899281   30558 x:0] UID: 0, GID: 0
I0121 06:31:10.899285   30558 x:0] Configuration:
I0121 06:31:10.899290   30558 x:0] 		RootDir: /syzkaller/managers/kvm-direct-sandbox/workdir/gvisor_root
I0121 06:31:10.899294   30558 x:0] 		Platform: kvm
I0121 06:31:10.899298   30558 x:0] 		FileAccess: exclusive, overlay: false
I0121 06:31:10.899314   30558 x:0] 		Network: sandbox, logging: false
I0121 06:31:10.899321   30558 x:0] 		Strace: false, max size: 1024, syscalls: []
I0121 06:31:10.899330   30558 x:0] ***************************
D0121 06:31:10.899364   30558 x:0] Load container "/syzkaller/managers/kvm-direct-sandbox/workdir/gvisor_root" "ci-gvisor-kvm-direct-sandbox-0"
D0121 06:31:10.901348   30558 x:0] Signal container "ci-gvisor-kvm-direct-sandbox-0": signal 0
D0121 06:31:10.901369   30558 x:0] Signal sandbox "ci-gvisor-kvm-direct-sandbox-0"
D0121 06:31:10.901374   30558 x:0] Connecting to sandbox "ci-gvisor-kvm-direct-sandbox-0"
D0121 06:31:10.901524   30558 x:0] urpc: successfully marshalled 110 bytes.
I0121 06:31:11.050510   30558 x:0] Found sandbox "ci-gvisor-kvm-direct-sandbox-0", PID: 28544
I0121 06:31:11.050563   30558 x:0] Retrieving sandbox stacks
D0121 06:31:11.050569   30558 x:0] Stacks sandbox "ci-gvisor-kvm-direct-sandbox-0"
D0121 06:31:11.050578   30558 x:0] Connecting to sandbox "ci-gvisor-kvm-direct-sandbox-0"
D0121 06:31:11.050666   30558 x:0] urpc: successfully marshalled 36 bytes.
W0121 06:31:11.062115   30558 x:0] FATAL ERROR: retrieving stacks: getting sandbox "ci-gvisor-kvm-direct-sandbox-0" stacks: urpc method "debug.Stacks" failed: connection reset by peer
retrieving stacks: getting sandbox "ci-gvisor-kvm-direct-sandbox-0" stacks: urpc method "debug.Stacks" failed: connection reset by peer
W0121 06:31:11.062192   30558 x:0] Failure to execute command, err: 1