panic: runtime error: index out of range
DIAGNOSIS:
I0403 13:47:11.335082   13451 x:0] ***************************
I0403 13:47:11.335134   13451 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-0]
I0403 13:47:11.335147   13451 x:0] Version release-20190304.1-78-gc4caccd54042
I0403 13:47:11.335151   13451 x:0] PID: 13451
I0403 13:47:11.335157   13451 x:0] UID: 0, GID: 0
I0403 13:47:11.335160   13451 x:0] Configuration:
I0403 13:47:11.335163   13451 x:0] 		RootDir: /syzkaller/managers/ptrace-direct-overlay-host/workdir/gvisor_root
I0403 13:47:11.335165   13451 x:0] 		Platform: ptrace
I0403 13:47:11.335172   13451 x:0] 		FileAccess: shared, overlay: false
I0403 13:47:11.335177   13451 x:0] 		Network: host, logging: false
I0403 13:47:11.335182   13451 x:0] 		Strace: false, max size: 1024, syscalls: []
I0403 13:47:11.335185   13451 x:0] ***************************
D0403 13:47:11.335200   13451 x:0] Load container "/syzkaller/managers/ptrace-direct-overlay-host/workdir/gvisor_root" "ci-gvisor-ptrace-direct-overlay-host-0"
D0403 13:47:11.337730   13451 x:0] Signal container "ci-gvisor-ptrace-direct-overlay-host-0": signal 0
D0403 13:47:11.337750   13451 x:0] Signal sandbox "ci-gvisor-ptrace-direct-overlay-host-0"
D0403 13:47:11.337756   13451 x:0] Connecting to sandbox "ci-gvisor-ptrace-direct-overlay-host-0"
D0403 13:47:11.338027   13451 x:0] urpc: successfully marshalled 118 bytes.
I0403 13:47:11.575097   13451 x:0] Found sandbox "ci-gvisor-ptrace-direct-overlay-host-0", PID: 6459
I0403 13:47:11.575123   13451 x:0] Retrieving sandbox stacks
D0403 13:47:11.575127   13451 x:0] Stacks sandbox "ci-gvisor-ptrace-direct-overlay-host-0"
D0403 13:47:11.575131   13451 x:0] Connecting to sandbox "ci-gvisor-ptrace-direct-overlay-host-0"
D0403 13:47:11.575195   13451 x:0] urpc: successfully marshalled 36 bytes.
W0403 13:47:11.627433   13451 x:0] FATAL ERROR: retrieving stacks: getting sandbox "ci-gvisor-ptrace-direct-overlay-host-0" stacks: urpc method "debug.Stacks" failed: connection reset by peer
retrieving stacks: getting sandbox "ci-gvisor-ptrace-direct-overlay-host-0" stacks: urpc method "debug.Stacks" failed: connection reset by peer