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

goroutine 222349 [running]:
panic(0xfc8960, 0xc0100ea180)
	GOROOT/src/runtime/panic.go:1064 +0x470 fp=0xc00d501cd0 sp=0xc00d501c18 pc=0x437030
gvisor.dev/gvisor/pkg/tcpip/header.(*IPv6OptionsExtHdrOptionsIterator).Next(0xc0100ec300, 0x0, 0xc0100d5100, 0x0, 0x0, 0x0)
	pkg/tcpip/header/ipv6_extension_headers.go:355 +0xa45 fp=0xc00d501de8 sp=0xc00d501cd0 pc=0x8eba05
gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).handlePacket(0xc000b80000, 0xc0017c22d0)
	pkg/tcpip/network/ipv6/ipv6.go:867 +0x164b fp=0xc00d502d10 sp=0xc00d501de8 pc=0xb07bab
gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).HandlePacket(0xc000b80000, 0xc0017c22d0)
	pkg/tcpip/network/ipv6/ipv6.go:782 +0x128 fp=0xc00d503508 sp=0xc00d502d10 pc=0xb06468
gvisor.dev/gvisor/pkg/tcpip/stack.(*NIC).DeliverNetworkPacket(0xc000029140, 0xc00ec97fe0, 0x6, 0x0, 0x0, 0x86dd, 0xc0017c22d0)
	pkg/tcpip/stack/nic.go:681 +0x5f0 fp=0xc00d5035f8 sp=0xc00d503508 pc=0x92e190
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(0xc0000290e8, 0xc00fd36000, 0x122, 0x122, 0x0, 0x1, 0x20000340)
	pkg/tcpip/link/tun/device.go:223 +0x33d fp=0xc00d5036e8 sp=0xc00d5035f8 pc=0xcd955d
gvisor.dev/gvisor/pkg/sentry/devices/tundev.(*tunFD).Write(0xc000029080, 0x131b120, 0xc0107d9500, 0x13162a0, 0xc0108f5000, 0x0, 0x1, 0x20000340, 0x122, 0x100, ...)
	pkg/sentry/devices/tundev/tundev.go:146 +0x1de fp=0xc00d5037f0 sp=0xc00d5036e8 pc=0xe54d3e
gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc000029080, 0x131b120, 0xc0107d9500, 0x13162a0, 0xc0108f5000, 0x0, 0x1, 0x20000340, 0x122, 0x100, ...)
	pkg/sentry/vfs/file_description.go:630 +0xa2 fp=0xc00d503870 sp=0xc00d5037f0 pc=0x7a3802
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.write(0xc0107d9500, 0xc000029080, 0x13162a0, 0xc0108f5000, 0x0, 0x1, 0x20000340, 0x122, 0x100, 0x0, ...)
	pkg/sentry/syscalls/linux/vfs2/read_write.go:364 +0x9b fp=0xc00d503a00 sp=0xc00d503870 pc=0xd90b7b
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Write(0xc0107d9500, 0xf0, 0x20000340, 0x122, 0x2b18eb0749d0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
	pkg/sentry/syscalls/linux/vfs2/read_write.go:333 +0x1d4 fp=0xc00d503af8 sp=0xc00d503a00 pc=0xd904f4
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc0107d9500, 0x1, 0xf0, 0x20000340, 0x122, 0x2b18eb0749d0, 0x0, 0x0, 0x1, 0x119dd40, ...)
	pkg/sentry/kernel/task_syscall.go:104 +0x13c fp=0xc00d503c58 sp=0xc00d503af8 pc=0x9cf85c
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0107d9500, 0x1, 0xf0, 0x20000340, 0x122, 0x2b18eb0749d0, 0x0, 0x0, 0x0, 0x0)
	pkg/sentry/kernel/task_syscall.go:239 +0x66 fp=0xc00d503ce0 sp=0xc00d503c58 pc=0x9d0a26
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0107d9500, 0x1, 0xf0, 0x20000340, 0x122, 0x2b18eb0749d0, 0x0, 0x0, 0xde34ce, 0xc00f5cc820)
	pkg/sentry/kernel/task_syscall.go:199 +0x98 fp=0xc00d503d40 sp=0xc00d503ce0 pc=0x9d05d8
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0107d9500, 0x2, 0xc0107d9500)
	pkg/sentry/kernel/task_syscall.go:174 +0x15c fp=0xc00d503e10 sp=0xc00d503d40 pc=0x9cff7c
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc0107d9500, 0x12ed3e0, 0x0)
	pkg/sentry/kernel/task_run.go:282 +0xc45 fp=0xc00d503f60 sp=0xc00d503e10 pc=0x9c4385
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0107d9500, 0x2c8c)
	pkg/sentry/kernel/task_run.go:97 +0x1af fp=0xc00d503fd0 sp=0xc00d503f60 pc=0x9c304f
runtime.goexit()
	src/runtime/asm_amd64.s:1374 +0x1 fp=0xc00d503fd8 sp=0xc00d503fd0 pc=0x4705a1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:323 +0xfe