panic: runtime error: index out of range

goroutine 275405 [running]:
DIAGNOSIS:
I0329 18:38:31.687839   21246 x:0] ***************************
I0329 18:38:31.687970   21246 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-3]
I0329 18:38:31.688018   21246 x:0] Git Revision: cc0e96a4bd3348ecc2a636fd90118b8e5cce672c
I0329 18:38:31.688048   21246 x:0] PID: 21246
I0329 18:38:31.688078   21246 x:0] UID: 0, GID: 0
I0329 18:38:31.688097   21246 x:0] Configuration:
I0329 18:38:31.688111   21246 x:0] 		RootDir: /syzkaller/managers/kvm-direct-overlay-host-race/workdir/gvisor_root
I0329 18:38:31.688145   21246 x:0] 		Platform: ptrace
I0329 18:38:31.688167   21246 x:0] 		FileAccess: exclusive, overlay: true
I0329 18:38:31.688194   21246 x:0] 		Network: host, logging: false
I0329 18:38:31.688222   21246 x:0] 		Strace: false, max size: 1024, syscalls: []
I0329 18:38:31.688238   21246 x:0] ***************************
D0329 18:38:31.688283   21246 x:0] Load container "/syzkaller/managers/kvm-direct-overlay-host-race/workdir/gvisor_root" "ci-gvisor-kvm-direct-overlay-host-race-3"
D0329 18:38:31.693189   21246 x:0] Signal container "ci-gvisor-kvm-direct-overlay-host-race-3": signal 0
D0329 18:38:31.693242   21246 x:0] Signal sandbox "ci-gvisor-kvm-direct-overlay-host-race-3"
D0329 18:38:31.693271   21246 x:0] Connecting to sandbox "ci-gvisor-kvm-direct-overlay-host-race-3"
D0329 18:38:31.693557   21246 x:0] urpc: successfully marshalled 120 bytes.
I0329 18:38:32.671248   21246 x:0] Found sandbox "ci-gvisor-kvm-direct-overlay-host-race-3", PID: 14998
I0329 18:38:32.671294   21246 x:0] Retrieving sandbox stacks
D0329 18:38:32.671311   21246 x:0] Stacks sandbox "ci-gvisor-kvm-direct-overlay-host-race-3"
D0329 18:38:32.671333   21246 x:0] Connecting to sandbox "ci-gvisor-kvm-direct-overlay-host-race-3"
D0329 18:38:32.671466   21246 x:0] urpc: successfully marshalled 36 bytes.
W0329 18:38:32.695814   21246 x:0] FATAL ERROR: retrieving stacks: getting sandbox "ci-gvisor-kvm-direct-overlay-host-race-3" stacks: urpc method "debug.Stacks" failed: connection reset by peer
retrieving stacks: getting sandbox "ci-gvisor-kvm-direct-overlay-host-race-3" stacks: urpc method "debug.Stacks" failed: connection reset by peer