panic: runtime error: index out of range

DIAGNOSIS:
I0329 22:41:33.897204    6931 x:0] ***************************
I0329 22:41:33.897271    6931 x:0] Args: [/syzkaller/managers/main/current/image -root /syzkaller/managers/main/workdir/gvisor_root -watchdog-action=panic -network=none -debug -platform=ptrace -file-access=shared -network=none debug -stacks ci-gvisor-main-0]
I0329 22:41:33.897285    6931 x:0] Git Revision: cc0e96a4bd3348ecc2a636fd90118b8e5cce672c
I0329 22:41:33.897290    6931 x:0] PID: 6931
I0329 22:41:33.897296    6931 x:0] UID: 0, GID: 0
I0329 22:41:33.897299    6931 x:0] Configuration:
I0329 22:41:33.897302    6931 x:0] 		RootDir: /syzkaller/managers/main/workdir/gvisor_root
I0329 22:41:33.897305    6931 x:0] 		Platform: ptrace
I0329 22:41:33.897318    6931 x:0] 		FileAccess: shared, overlay: false
I0329 22:41:33.897323    6931 x:0] 		Network: none, logging: false
I0329 22:41:33.897329    6931 x:0] 		Strace: false, max size: 1024, syscalls: []
I0329 22:41:33.897332    6931 x:0] ***************************
D0329 22:41:33.897353    6931 x:0] Load container "/syzkaller/managers/main/workdir/gvisor_root" "ci-gvisor-main-0"
D0329 22:41:33.898792    6931 x:0] Signal container "ci-gvisor-main-0": signal 0
D0329 22:41:33.898818    6931 x:0] Signal sandbox "ci-gvisor-main-0"
D0329 22:41:33.898823    6931 x:0] Connecting to sandbox "ci-gvisor-main-0"
D0329 22:41:33.899061    6931 x:0] urpc: successfully marshalled 96 bytes.
I0329 22:41:34.135728    6931 x:0] Found sandbox "ci-gvisor-main-0", PID: 3829
I0329 22:41:34.135755    6931 x:0] Retrieving sandbox stacks
D0329 22:41:34.135760    6931 x:0] Stacks sandbox "ci-gvisor-main-0"
D0329 22:41:34.135764    6931 x:0] Connecting to sandbox "ci-gvisor-main-0"
D0329 22:41:34.135877    6931 x:0] urpc: successfully marshalled 36 bytes.
W0329 22:41:34.149785    6931 x:0] FATAL ERROR: retrieving stacks: getting sandbox "ci-gvisor-main-0" stacks: urpc method "debug.Stacks" failed: connection reset by peer
retrieving stacks: getting sandbox "ci-gvisor-main-0" stacks: urpc method "debug.Stacks" failed: connection reset by peer