panic: runtime error: index out of range [0] with length 0

goroutine 260 [running]:
panic(0x121e180, 0xc0002f2228)
	GOROOT/src/runtime/panic.go:1065 +0x565 fp=0xc00058fad8 sp=0xc00058fa10 pc=0x437c65
runtime.goPanicIndex(0x0, 0x0)
	GOROOT/src/runtime/panic.go:88 +0xa5 fp=0xc00058fb20 sp=0xc00058fad8 pc=0x434fc5
gvisor.dev/gvisor/pkg/tcpip/link/tun.(*Device).Write(0xc00045e728, 0x1d6fe28, 0x0, 0x0, 0x0, 0x0, 0x0)
	pkg/tcpip/link/tun/device.go:214 +0x5c9 fp=0xc00058fc00 sp=0xc00058fb20 pc=0xb724c9
gvisor.dev/gvisor/pkg/sentry/devices/tundev.(*tunFD).Write(0xc00045e6c0, 0x14b5c30, 0xc000151110, 0x14afec0, 0xc0005dc000, 0x0, 0x1, 0x0, 0x0, 0x0, ...)
	pkg/sentry/devices/tundev/tundev.go:146 +0x1f0 fp=0xc00058fd08 sp=0xc00058fc00 pc=0xf1f5b0
gvisor.dev/gvisor/pkg/sentry/devices/tundev.(*tunFD).PWrite(0xc00045e6c0, 0x14b5c30, 0xc000151110, 0x14afec0, 0xc0005dc000, 0x0, 0x1, 0x0, 0x0, 0x0, ...)
	pkg/sentry/devices/tundev/tundev.go:137 +0x8b fp=0xc00058fd88 sp=0xc00058fd08 pc=0xf1f36b
gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).PWrite(0xc00045e6c0, 0x14b5c30, 0xc000151110, 0x14afec0, 0xc0005dc000, 0x0, 0x1, 0x0, 0x0, 0x0, ...)
	pkg/sentry/vfs/file_description.go:645 +0xc8 fp=0xc00058fe28 sp=0xc00058fd88 pc=0x7568c8
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.getAIOCallback.func1(0x14b5c30, 0xc000151110)
	pkg/sentry/syscalls/linux/vfs2/aio.go:174 +0x514 fp=0xc00058ffa0 sp=0xc00058fe28 pc=0xe97294
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).QueueAIO.func1(0xc0003fb810, 0x14b5c30, 0xc000151110, 0xc00019816c)
	pkg/sentry/kernel/aio.go:30 +0x3a fp=0xc00058ffc0 sp=0xc00058ffa0 pc=0xa0c3da
runtime.goexit()
	src/runtime/asm_amd64.s:1371 +0x1 fp=0xc00058ffc8 sp=0xc00058ffc0 pc=0x472861
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).QueueAIO
	pkg/sentry/kernel/aio.go:29 +0xbf