panic: invalid allocation length: 0x0

goroutine 175 [running]:
DIAGNOSIS:
I0121 06:31:38.783210   31258 x:0] ***************************
I0121 06:31:38.783224   31258 x:0] Args: [/syzkaller/managers/kvm-proxy-overlay-sandbox/current/image -root /syzkaller/managers/kvm-proxy-overlay-sandbox/workdir/gvisor_root -watchdog-action=panic -network=none -debug -alsologtostderr -platform=kvm -file-access=exclusive -overlay -network=sandbox debug -stacks --ps ci-gvisor-kvm-proxy-overlay-sandbox-1]
I0121 06:31:38.783247   31258 x:0] Version release-20200115.0-34-g10401599e104
I0121 06:31:38.783254   31258 x:0] PID: 31258
I0121 06:31:38.783267   31258 x:0] UID: 0, GID: 0
I0121 06:31:38.783272   31258 x:0] Configuration:
I0121 06:31:38.783275   31258 x:0] 		RootDir: /syzkaller/managers/kvm-proxy-overlay-sandbox/workdir/gvisor_root
I0121 06:31:38.783283   31258 x:0] 		Platform: kvm
I0121 06:31:38.783288   31258 x:0] 		FileAccess: exclusive, overlay: true
I0121 06:31:38.783302   31258 x:0] 		Network: sandbox, logging: false
I0121 06:31:38.783312   31258 x:0] 		Strace: false, max size: 1024, syscalls: []
I0121 06:31:38.783317   31258 x:0] ***************************
D0121 06:31:38.783348   31258 x:0] Load container "/syzkaller/managers/kvm-proxy-overlay-sandbox/workdir/gvisor_root" "ci-gvisor-kvm-proxy-overlay-sandbox-1"
D0121 06:31:38.784973   31258 x:0] Signal container "ci-gvisor-kvm-proxy-overlay-sandbox-1": signal 0
D0121 06:31:38.784996   31258 x:0] Signal sandbox "ci-gvisor-kvm-proxy-overlay-sandbox-1"
D0121 06:31:38.785004   31258 x:0] Connecting to sandbox "ci-gvisor-kvm-proxy-overlay-sandbox-1"
D0121 06:31:38.785125   31258 x:0] urpc: successfully marshalled 117 bytes.
I0121 06:31:38.942525   31258 x:0] Found sandbox "ci-gvisor-kvm-proxy-overlay-sandbox-1", PID: 28264
I0121 06:31:38.942575   31258 x:0] Retrieving sandbox stacks
D0121 06:31:38.942581   31258 x:0] Stacks sandbox "ci-gvisor-kvm-proxy-overlay-sandbox-1"
D0121 06:31:38.942586   31258 x:0] Connecting to sandbox "ci-gvisor-kvm-proxy-overlay-sandbox-1"
D0121 06:31:38.942654   31258 x:0] urpc: successfully marshalled 36 bytes.
W0121 06:31:38.955983   31258 x:0] FATAL ERROR: retrieving stacks: getting sandbox "ci-gvisor-kvm-proxy-overlay-sandbox-1" stacks: urpc method "debug.Stacks" failed: connection reset by peer
retrieving stacks: getting sandbox "ci-gvisor-kvm-proxy-overlay-sandbox-1" stacks: urpc method "debug.Stacks" failed: connection reset by peer
W0121 06:31:38.956209   31258 x:0] Failure to execute command, err: 1