panic: runtime error: index out of range

goroutine 151 [running]:
DIAGNOSIS:
I0330 13:08:17.530587   57756 x:0] ***************************
I0330 13:08:17.530654   57756 x:0] Args: [/syzkaller/managers/ptrace-direct-overlay-host/current/image -root /syzkaller/managers/ptrace-direct-overlay-host/workdir/gvisor_root -watchdog-action=panic -network=none -debug -platform=ptrace -file-access=shared -network=host debug -stacks ci-gvisor-ptrace-direct-overlay-host-1]
I0330 13:08:17.530668   57756 x:0] Git Revision: a046054ba35e8d8c4882f9311dc964eaa1497d58
I0330 13:08:17.530672   57756 x:0] PID: 57756
I0330 13:08:17.530682   57756 x:0] UID: 0, GID: 0
I0330 13:08:17.530684   57756 x:0] Configuration:
I0330 13:08:17.530687   57756 x:0] 		RootDir: /syzkaller/managers/ptrace-direct-overlay-host/workdir/gvisor_root
I0330 13:08:17.530689   57756 x:0] 		Platform: ptrace
I0330 13:08:17.530701   57756 x:0] 		FileAccess: shared, overlay: false
I0330 13:08:17.530707   57756 x:0] 		Network: host, logging: false
I0330 13:08:17.530712   57756 x:0] 		Strace: false, max size: 1024, syscalls: []
I0330 13:08:17.530715   57756 x:0] ***************************
D0330 13:08:17.530734   57756 x:0] Load container "/syzkaller/managers/ptrace-direct-overlay-host/workdir/gvisor_root" "ci-gvisor-ptrace-direct-overlay-host-1"
D0330 13:08:17.532157   57756 x:0] Signal container "ci-gvisor-ptrace-direct-overlay-host-1": signal 0
D0330 13:08:17.532175   57756 x:0] Signal sandbox "ci-gvisor-ptrace-direct-overlay-host-1"
D0330 13:08:17.532179   57756 x:0] Connecting to sandbox "ci-gvisor-ptrace-direct-overlay-host-1"
D0330 13:08:17.532328   57756 x:0] urpc: successfully marshalled 118 bytes.
I0330 13:08:17.675200   57756 x:0] Found sandbox "ci-gvisor-ptrace-direct-overlay-host-1", PID: 53617
I0330 13:08:17.675215   57756 x:0] Retrieving sandbox stacks
D0330 13:08:17.675218   57756 x:0] Stacks sandbox "ci-gvisor-ptrace-direct-overlay-host-1"
D0330 13:08:17.675239   57756 x:0] Connecting to sandbox "ci-gvisor-ptrace-direct-overlay-host-1"
D0330 13:08:17.675301   57756 x:0] urpc: successfully marshalled 36 bytes.
W0330 13:08:17.682779   57756 x:0] FATAL ERROR: retrieving stacks: getting sandbox "ci-gvisor-ptrace-direct-overlay-host-1" stacks: urpc method "debug.Stacks" failed: connection reset by peer
retrieving stacks: getting sandbox "ci-gvisor-ptrace-direct-overlay-host-1" stacks: urpc method "debug.Stacks" failed: connection reset by peer