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

goroutine 463 [running]:
panic(0xfc88c0, 0xc00071e040)
	GOROOT/src/runtime/panic.go:1064 +0x470 fp=0xc00058dcd0 sp=0xc00058dc18 pc=0x437030
gvisor.dev/gvisor/pkg/tcpip/header.(*IPv6OptionsExtHdrOptionsIterator).Next(0xc000361110, 0x0, 0xc0001963a0, 0x0, 0x0, 0x0)
	pkg/tcpip/header/ipv6_extension_headers.go:355 +0xa45 fp=0xc00058dde8 sp=0xc00058dcd0 pc=0x8eb665
gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).handlePacket(0xc00003a380, 0xc0006ac1e0)
	pkg/tcpip/network/ipv6/ipv6.go:867 +0x164b fp=0xc00058ed10 sp=0xc00058dde8 pc=0xb0778b
gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).HandlePacket(0xc00003a380, 0xc0006ac1e0)
	pkg/tcpip/network/ipv6/ipv6.go:782 +0x128 fp=0xc00058f508 sp=0xc00058ed10 pc=0xb06048
gvisor.dev/gvisor/pkg/tcpip/stack.(*NIC).DeliverNetworkPacket(0xc0002e8480, 0xc00012e5b0, 0x6, 0x0, 0x0, 0x86dd, 0xc0006ac1e0)
	pkg/tcpip/stack/nic.go:681 +0x5f0 fp=0xc00058f5f8 sp=0xc00058f508 pc=0x92ddf0
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(0xc0002e8428, 0xc000132100, 0x3e, 0x3e, 0x0, 0x1, 0x200000c0)
	pkg/tcpip/link/tun/device.go:223 +0x33d fp=0xc00058f6e8 sp=0xc00058f5f8 pc=0xcd965d
gvisor.dev/gvisor/pkg/sentry/devices/tundev.(*tunFD).Write(0xc0002e83c0, 0x131b080, 0xc00065ea80, 0x1316200, 0xc0007e0000, 0x0, 0x1, 0x200000c0, 0x3e, 0x100, ...)
	pkg/sentry/devices/tundev/tundev.go:146 +0x1de fp=0xc00058f7f0 sp=0xc00058f6e8 pc=0xe544be
gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc0002e83c0, 0x131b080, 0xc00065ea80, 0x1316200, 0xc0007e0000, 0x0, 0x1, 0x200000c0, 0x3e, 0x100, ...)
	pkg/sentry/vfs/file_description.go:630 +0xa2 fp=0xc00058f870 sp=0xc00058f7f0 pc=0x7a34c2
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.write(0xc00065ea80, 0xc0002e83c0, 0x1316200, 0xc0007e0000, 0x0, 0x1, 0x200000c0, 0x3e, 0x100, 0x0, ...)
	pkg/sentry/syscalls/linux/vfs2/read_write.go:364 +0x9b fp=0xc00058fa00 sp=0xc00058f870 pc=0xd90c7b
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Write(0xc00065ea80, 0xf0, 0x200000c0, 0x3e, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
	pkg/sentry/syscalls/linux/vfs2/read_write.go:333 +0x1d4 fp=0xc00058faf8 sp=0xc00058fa00 pc=0xd905f4
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc00065ea80, 0x1, 0xf0, 0x200000c0, 0x3e, 0x0, 0x0, 0x0, 0x1, 0x119dd40, ...)
	pkg/sentry/kernel/task_syscall.go:104 +0x13c fp=0xc00058fc58 sp=0xc00058faf8 pc=0x9cf23c
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc00065ea80, 0x1, 0xf0, 0x200000c0, 0x3e, 0x0, 0x0, 0x0, 0x0, 0x0)
	pkg/sentry/kernel/task_syscall.go:239 +0x66 fp=0xc00058fce0 sp=0xc00058fc58 pc=0x9d0406
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc00065ea80, 0x1, 0xf0, 0x200000c0, 0x3e, 0x0, 0x0, 0x0, 0xde3045, 0xc00072c628)
	pkg/sentry/kernel/task_syscall.go:199 +0x98 fp=0xc00058fd40 sp=0xc00058fce0 pc=0x9cffb8
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc00065ea80, 0x2, 0xc00065ea80)
	pkg/sentry/kernel/task_syscall.go:174 +0x15c fp=0xc00058fe10 sp=0xc00058fd40 pc=0x9cf95c
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc00065ea80, 0x12ed3a0, 0x0)
	pkg/sentry/kernel/task_run.go:282 +0xc45 fp=0xc00058ff60 sp=0xc00058fe10 pc=0x9c3d65
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00065ea80, 0xb)
	pkg/sentry/kernel/task_run.go:97 +0x1af fp=0xc00058ffd0 sp=0xc00058ff60 pc=0x9c2a2f
runtime.goexit()
	src/runtime/asm_amd64.s:1374 +0x1 fp=0xc00058ffd8 sp=0xc00058ffd0 pc=0x4705a1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:323 +0xfe