panic: runtime error: index out of range

goroutine 386 [running]:
DIAGNOSIS:
I0329 21:45:24.403756    4324 x:0] ***************************
I0329 21:45:24.403831    4324 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 21:45:24.403853    4324 x:0] Git Revision: cc0e96a4bd3348ecc2a636fd90118b8e5cce672c
I0329 21:45:24.403859    4324 x:0] PID: 4324
I0329 21:45:24.403865    4324 x:0] UID: 0, GID: 0
I0329 21:45:24.403868    4324 x:0] Configuration:
I0329 21:45:24.403871    4324 x:0] 		RootDir: /syzkaller/managers/main/workdir/gvisor_root
I0329 21:45:24.403874    4324 x:0] 		Platform: ptrace
I0329 21:45:24.403885    4324 x:0] 		FileAccess: shared, overlay: false
I0329 21:45:24.403891    4324 x:0] 		Network: none, logging: false
I0329 21:45:24.403896    4324 x:0] 		Strace: false, max size: 1024, syscalls: []
I0329 21:45:24.403899    4324 x:0] ***************************
D0329 21:45:24.403914    4324 x:0] Load container "/syzkaller/managers/main/workdir/gvisor_root" "ci-gvisor-main-0"
D0329 21:45:24.405213    4324 x:0] Signal container "ci-gvisor-main-0": signal 0
D0329 21:45:24.405229    4324 x:0] Signal sandbox "ci-gvisor-main-0"
D0329 21:45:24.405233    4324 x:0] Connecting to sandbox "ci-gvisor-main-0"
D0329 21:45:24.405354    4324 x:0] urpc: successfully marshalled 96 bytes.
I0329 21:45:24.759848    4324 x:0] Found sandbox "ci-gvisor-main-0", PID: 1840
I0329 21:45:24.759873    4324 x:0] Retrieving sandbox stacks
D0329 21:45:24.759877    4324 x:0] Stacks sandbox "ci-gvisor-main-0"
D0329 21:45:24.759881    4324 x:0] Connecting to sandbox "ci-gvisor-main-0"
D0329 21:45:24.759930    4324 x:0] urpc: successfully marshalled 36 bytes.
W0329 21:45:24.924763    4324 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