panic: runtime error: index out of range

goroutine 390 [running]:
DIAGNOSIS:
I0329 23:45:53.024473   38392 x:0] ***************************
I0329 23:45:53.024527   38392 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-2]
I0329 23:45:53.024545   38392 x:0] Git Revision: cc0e96a4bd3348ecc2a636fd90118b8e5cce672c
I0329 23:45:53.024550   38392 x:0] PID: 38392
I0329 23:45:53.024555   38392 x:0] UID: 0, GID: 0
I0329 23:45:53.024558   38392 x:0] Configuration:
I0329 23:45:53.024561   38392 x:0] 		RootDir: /syzkaller/managers/main/workdir/gvisor_root
I0329 23:45:53.024564   38392 x:0] 		Platform: ptrace
I0329 23:45:53.024577   38392 x:0] 		FileAccess: shared, overlay: false
I0329 23:45:53.024583   38392 x:0] 		Network: none, logging: false
I0329 23:45:53.024588   38392 x:0] 		Strace: false, max size: 1024, syscalls: []
I0329 23:45:53.024592   38392 x:0] ***************************
D0329 23:45:53.024607   38392 x:0] Load container "/syzkaller/managers/main/workdir/gvisor_root" "ci-gvisor-main-2"
D0329 23:45:53.026155   38392 x:0] Signal container "ci-gvisor-main-2": signal 0
D0329 23:45:53.026174   38392 x:0] Signal sandbox "ci-gvisor-main-2"
D0329 23:45:53.026178   38392 x:0] Connecting to sandbox "ci-gvisor-main-2"
D0329 23:45:53.026425   38392 x:0] urpc: successfully marshalled 96 bytes.
I0329 23:45:53.316081   38392 x:0] Found sandbox "ci-gvisor-main-2", PID: 32022
I0329 23:45:53.316122   38392 x:0] Retrieving sandbox stacks
D0329 23:45:53.316127   38392 x:0] Stacks sandbox "ci-gvisor-main-2"
D0329 23:45:53.316131   38392 x:0] Connecting to sandbox "ci-gvisor-main-2"
D0329 23:45:53.316201   38392 x:0] urpc: successfully marshalled 36 bytes.
W0329 23:45:53.323891   38392 x:0] FATAL ERROR: retrieving stacks: getting sandbox "ci-gvisor-main-2" stacks: urpc method "debug.Stacks" failed: connection reset by peer
retrieving stacks: getting sandbox "ci-gvisor-main-2" stacks: urpc method "debug.Stacks" failed: connection reset by peer