panic: error when reading RouterAlert option's data bytes: EOF

goroutine 621 [running]:
panic(0x16dcd80, 0xc00037e1c0)
	GOROOT/src/runtime/panic.go:1064 +0x470 fp=0xc000c17460 sp=0xc000c173a8 pc=0x439090
gvisor.dev/gvisor/pkg/tcpip/header.(*IPv6OptionsExtHdrOptionsIterator).Next(0xc000174210, 0x0, 0xc000618180, 0x0, 0x0, 0x0)
	pkg/tcpip/header/ipv6_extension_headers.go:355 +0x1348 fp=0xc000c17640 sp=0xc000c17460 pc=0xbf2688
gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).handlePacket(0xc00003c700, 0xc000812000)
	pkg/tcpip/network/ipv6/ipv6.go:867 +0xe17 fp=0xc000c18610 sp=0xc000c17640 pc=0xf2c817
gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).HandlePacket(0xc00003c700, 0xc000812000)
	pkg/tcpip/network/ipv6/ipv6.go:782 +0x1c5 fp=0xc000c18e28 sp=0xc000c18610 pc=0xf2b8a5
gvisor.dev/gvisor/pkg/tcpip/stack.(*NIC).DeliverNetworkPacket(0xc000c00300, 0xc000492010, 0x6, 0x0, 0x0, 0x86dd, 0xc000812000)
	pkg/tcpip/stack/nic.go:681 +0xd48 fp=0xc000c18ff8 sp=0xc000c18e28 pc=0xc56748
gvisor.dev/gvisor/pkg/tcpip/link/channel.(*Endpoint).InjectLinkAddr(...)
	pkg/tcpip/link/channel/channel.go:190
gvisor.dev/gvisor/pkg/tcpip/link/tun.(*Device).Write(0xc000c002a8, 0xc0002d2000, 0x3e, 0x3e, 0x0, 0x1, 0x200000c0)
	pkg/tcpip/link/tun/device.go:223 +0x5da fp=0xc000c19198 sp=0xc000c18ff8 pc=0x11f05da
gvisor.dev/gvisor/pkg/sentry/devices/tundev.(*tunFD).Write(0xc000c00240, 0x1aa4640, 0xc000900a80, 0x1a9f740, 0xc0004ca000, 0x0, 0x1, 0x200000c0, 0x3e, 0x100, ...)
	pkg/sentry/devices/tundev/tundev.go:146 +0x22b fp=0xc000c192c8 sp=0xc000c19198 pc=0x142a8ab
gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc000c00240, 0x1aa4640, 0xc000900a80, 0x1a9f740, 0xc0004ca000, 0x0, 0x1, 0x200000c0, 0x3e, 0x100, ...)
	pkg/sentry/vfs/file_description.go:630 +0x131 fp=0xc000c19398 sp=0xc000c192c8 pc=0x9f1491
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.write(0xc000900a80, 0xc000c00240, 0x1a9f740, 0xc0004ca000, 0x0, 0x1, 0x200000c0, 0x3e, 0x100, 0x0, ...)
	pkg/sentry/syscalls/linux/vfs2/read_write.go:364 +0xee fp=0xc000c195b0 sp=0xc000c19398 pc=0x12fecce
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Write(0xc000900a80, 0xf0, 0x200000c0, 0x3e, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
	pkg/sentry/syscalls/linux/vfs2/read_write.go:333 +0x2a5 fp=0xc000c19730 sp=0xc000c195b0 pc=0x12fe565
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc000900a80, 0x1, 0xf0, 0x200000c0, 0x3e, 0x0, 0x0, 0x0, 0x13, 0x1380920, ...)
	pkg/sentry/kernel/task_syscall.go:104 +0x453 fp=0xc000c199d0 sp=0xc000c19730 pc=0xd61213
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc000900a80, 0x1, 0xf0, 0x200000c0, 0x3e, 0x0, 0x0, 0x0, 0x408638, 0xc00090135f)
	pkg/sentry/kernel/task_syscall.go:239 +0xba fp=0xc000c19ab0 sp=0xc000c199d0 pc=0xd6299a
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000900a80, 0x1, 0xf0, 0x200000c0, 0x3e, 0x0, 0x0, 0x0, 0x1375ecb, 0x2d1a6d4)
	pkg/sentry/kernel/task_syscall.go:199 +0x10f fp=0xc000c19b60 sp=0xc000c19ab0 pc=0xd622af
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc000900a80, 0x2, 0xc000900a80)
	pkg/sentry/kernel/task_syscall.go:174 +0x1ea fp=0xc000c19ca0 sp=0xc000c19b60 pc=0xd61a4a
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc000900a80, 0x1a76320, 0x0)
	pkg/sentry/kernel/task_run.go:282 +0x12a7 fp=0xc000c19ed8 sp=0xc000c19ca0 pc=0xd4d3c7
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000900a80, 0xd)
	pkg/sentry/kernel/task_run.go:97 +0x398 fp=0xc000c19fd0 sp=0xc000c19ed8 pc=0xd4b4f8
runtime.goexit()
	src/runtime/asm_amd64.s:1374 +0x1 fp=0xc000c19fd8 sp=0xc000c19fd0 pc=0x4745e1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:323 +0x1a5