panic: runtime error: index out of range

goroutine 353 [running]:
DIAGNOSIS:
I0329 23:54:29.860205   62819 x:0] ***************************
I0329 23:54:29.860262   62819 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-1]
I0329 23:54:29.860273   62819 x:0] Git Revision: cc0e96a4bd3348ecc2a636fd90118b8e5cce672c
I0329 23:54:29.860281   62819 x:0] PID: 62819
I0329 23:54:29.860286   62819 x:0] UID: 0, GID: 0
I0329 23:54:29.860288   62819 x:0] Configuration:
I0329 23:54:29.860291   62819 x:0] 		RootDir: /syzkaller/managers/main/workdir/gvisor_root
I0329 23:54:29.860294   62819 x:0] 		Platform: ptrace
I0329 23:54:29.860305   62819 x:0] 		FileAccess: shared, overlay: false
I0329 23:54:29.860310   62819 x:0] 		Network: none, logging: false
I0329 23:54:29.860315   62819 x:0] 		Strace: false, max size: 1024, syscalls: []
I0329 23:54:29.860318   62819 x:0] ***************************
D0329 23:54:29.860331   62819 x:0] Load container "/syzkaller/managers/main/workdir/gvisor_root" "ci-gvisor-main-1"
D0329 23:54:29.861572   62819 x:0] Signal container "ci-gvisor-main-1": signal 0
D0329 23:54:29.861589   62819 x:0] Signal sandbox "ci-gvisor-main-1"
D0329 23:54:29.861592   62819 x:0] Connecting to sandbox "ci-gvisor-main-1"
D0329 23:54:29.861783   62819 x:0] urpc: successfully marshalled 96 bytes.
I0329 23:54:30.015277   62819 x:0] Found sandbox "ci-gvisor-main-1", PID: 61440
I0329 23:54:30.015303   62819 x:0] Retrieving sandbox stacks
D0329 23:54:30.015307   62819 x:0] Stacks sandbox "ci-gvisor-main-1"
D0329 23:54:30.015311   62819 x:0] Connecting to sandbox "ci-gvisor-main-1"
D0329 23:54:30.015403   62819 x:0] urpc: successfully marshalled 36 bytes.
W0329 23:54:30.022928   62819 x:0] FATAL ERROR: retrieving stacks: getting sandbox "ci-gvisor-main-1" stacks: urpc method "debug.Stacks" failed: connection reset by peer
retrieving stacks: getting sandbox "ci-gvisor-main-1" stacks: urpc method "debug.Stacks" failed: connection reset by peer