panic: runtime error: index out of range

goroutine 294 [running]:
DIAGNOSIS:
I0329 19:04:49.386126   64748 x:0] ***************************
I0329 19:04:49.386249   64748 x:0] Args: [/syzkaller/managers/kvm-direct-overlay-host-race/current/image -root /syzkaller/managers/kvm-direct-overlay-host-race/workdir/gvisor_root -watchdog-action=panic -network=none -debug -platform=ptrace -file-access=exclusive -overlay -network=host debug -stacks ci-gvisor-kvm-direct-overlay-host-race-1]
I0329 19:04:49.386317   64748 x:0] Git Revision: cc0e96a4bd3348ecc2a636fd90118b8e5cce672c
I0329 19:04:49.386333   64748 x:0] PID: 64748
I0329 19:04:49.386349   64748 x:0] UID: 0, GID: 0
I0329 19:04:49.386375   64748 x:0] Configuration:
I0329 19:04:49.386386   64748 x:0] 		RootDir: /syzkaller/managers/kvm-direct-overlay-host-race/workdir/gvisor_root
I0329 19:04:49.386398   64748 x:0] 		Platform: ptrace
I0329 19:04:49.386423   64748 x:0] 		FileAccess: exclusive, overlay: true
I0329 19:04:49.386441   64748 x:0] 		Network: host, logging: false
I0329 19:04:49.386457   64748 x:0] 		Strace: false, max size: 1024, syscalls: []
I0329 19:04:49.386482   64748 x:0] ***************************
D0329 19:04:49.386531   64748 x:0] Load container "/syzkaller/managers/kvm-direct-overlay-host-race/workdir/gvisor_root" "ci-gvisor-kvm-direct-overlay-host-race-1"
D0329 19:04:49.392027   64748 x:0] Signal container "ci-gvisor-kvm-direct-overlay-host-race-1": signal 0
D0329 19:04:49.392089   64748 x:0] Signal sandbox "ci-gvisor-kvm-direct-overlay-host-race-1"
D0329 19:04:49.392114   64748 x:0] Connecting to sandbox "ci-gvisor-kvm-direct-overlay-host-race-1"
D0329 19:04:49.392427   64748 x:0] urpc: successfully marshalled 120 bytes.
I0329 19:04:49.835319   64748 x:0] Found sandbox "ci-gvisor-kvm-direct-overlay-host-race-1", PID: 62665
I0329 19:04:49.835388   64748 x:0] Retrieving sandbox stacks
D0329 19:04:49.835414   64748 x:0] Stacks sandbox "ci-gvisor-kvm-direct-overlay-host-race-1"
D0329 19:04:49.835441   64748 x:0] Connecting to sandbox "ci-gvisor-kvm-direct-overlay-host-race-1"
D0329 19:04:49.835593   64748 x:0] urpc: successfully marshalled 36 bytes.
W0329 19:04:49.844293   64748 x:0] FATAL ERROR: retrieving stacks: getting sandbox "ci-gvisor-kvm-direct-overlay-host-race-1" stacks: urpc method "debug.Stacks" failed: connection reset by peer
retrieving stacks: getting sandbox "ci-gvisor-kvm-direct-overlay-host-race-1" stacks: urpc method "debug.Stacks" failed: connection reset by peer