panic: runtime error: index out of range
DIAGNOSIS:
I0403 18:11:34.645695   32854 x:0] ***************************
I0403 18:11:34.645736   32854 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-2]
I0403 18:11:34.645747   32854 x:0] Version release-20190304.1-78-gc4caccd54042
I0403 18:11:34.645751   32854 x:0] PID: 32854
I0403 18:11:34.645756   32854 x:0] UID: 0, GID: 0
I0403 18:11:34.645759   32854 x:0] Configuration:
I0403 18:11:34.645762   32854 x:0] 		RootDir: /syzkaller/managers/ptrace-direct-overlay-host/workdir/gvisor_root
I0403 18:11:34.645765   32854 x:0] 		Platform: ptrace
I0403 18:11:34.645772   32854 x:0] 		FileAccess: shared, overlay: false
I0403 18:11:34.645780   32854 x:0] 		Network: host, logging: false
I0403 18:11:34.645785   32854 x:0] 		Strace: false, max size: 1024, syscalls: []
I0403 18:11:34.645789   32854 x:0] ***************************
D0403 18:11:34.645811   32854 x:0] Load container "/syzkaller/managers/ptrace-direct-overlay-host/workdir/gvisor_root" "ci-gvisor-ptrace-direct-overlay-host-2"
D0403 18:11:34.647898   32854 x:0] Signal container "ci-gvisor-ptrace-direct-overlay-host-2": signal 0
D0403 18:11:34.647917   32854 x:0] Signal sandbox "ci-gvisor-ptrace-direct-overlay-host-2"
D0403 18:11:34.647922   32854 x:0] Connecting to sandbox "ci-gvisor-ptrace-direct-overlay-host-2"
D0403 18:11:34.648034   32854 x:0] urpc: successfully marshalled 118 bytes.
I0403 18:11:35.195779   32854 x:0] Found sandbox "ci-gvisor-ptrace-direct-overlay-host-2", PID: 40676
I0403 18:11:35.195795   32854 x:0] Retrieving sandbox stacks
D0403 18:11:35.195799   32854 x:0] Stacks sandbox "ci-gvisor-ptrace-direct-overlay-host-2"
D0403 18:11:35.195803   32854 x:0] Connecting to sandbox "ci-gvisor-ptrace-direct-overlay-host-2"
D0403 18:11:35.195850   32854 x:0] urpc: successfully marshalled 36 bytes.
W0403 18:11:35.269739   32854 x:0] FATAL ERROR: retrieving stacks: getting sandbox "ci-gvisor-ptrace-direct-overlay-host-2" stacks: urpc method "debug.Stacks" failed: connection reset by peer
retrieving stacks: getting sandbox "ci-gvisor-ptrace-direct-overlay-host-2" stacks: urpc method "debug.Stacks" failed: connection reset by peer