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

goroutine 630 [running]:
panic(0x10ae8c0, 0xc0005762b0)
	GOROOT/src/runtime/panic.go:1064 +0x470 fp=0xc000b93de0 sp=0xc000b93d28 pc=0x437030
gvisor.dev/gvisor/pkg/tcpip/header.(*IPv6OptionsExtHdrOptionsIterator).Next(0xc0008cb0b0, 0x0, 0xc0005f31e0, 0x0, 0x0, 0x0)
	pkg/tcpip/header/ipv6_extension_headers.go:389 +0xb5f fp=0xc000b93ef8 sp=0xc000b93de0 pc=0x94d97f
gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).handlePacket(0xc0001e1340, 0xc0000281e0)
	pkg/tcpip/network/ipv6/ipv6.go:1044 +0x19ba fp=0xc000b94dd8 sp=0xc000b93ef8 pc=0xbab35a
gvisor.dev/gvisor/pkg/tcpip/network/ipv6.(*endpoint).HandlePacket(0xc0001e1340, 0xc0000281e0)
	pkg/tcpip/network/ipv6/ipv6.go:935 +0x17a fp=0xc000b955d0 sp=0xc000b94dd8 pc=0xba985a
gvisor.dev/gvisor/pkg/tcpip/stack.(*NIC).DeliverNetworkPacket(0xc00030a9c0, 0xc0005f08b0, 0x6, 0x0, 0x0, 0x86dd, 0xc0000281e0)
	pkg/tcpip/stack/nic.go:829 +0x6c2 fp=0xc000b956c0 sp=0xc000b955d0 pc=0x995b02
gvisor.dev/gvisor/pkg/tcpip/link/channel.(*Endpoint).InjectLinkAddr(...)
	pkg/tcpip/link/channel/channel.go:222
gvisor.dev/gvisor/pkg/tcpip/link/tun.(*Device).Write(0xc00030a968, 0xc000788280, 0x3e, 0x3e, 0x200000c0, 0x3e, 0x100)
	pkg/tcpip/link/tun/device.go:272 +0x474 fp=0xc000b957b8 sp=0xc000b956c0 pc=0xd9caf4
gvisor.dev/gvisor/pkg/sentry/devices/tundev.(*tunFD).Write(0xc00030a900, 0x141c740, 0xc000787500, 0x14178e0, 0xc000bc4000, 0x0, 0x1, 0x200000c0, 0x3e, 0x100, ...)
	pkg/sentry/devices/tundev/tundev.go:173 +0x1a9 fp=0xc000b95888 sp=0xc000b957b8 pc=0xf33889
gvisor.dev/gvisor/pkg/sentry/vfs.(*FileDescription).Write(0xc00030a900, 0x141c740, 0xc000787500, 0x14178e0, 0xc000bc4000, 0x0, 0x1, 0x200000c0, 0x3e, 0x100, ...)
	pkg/sentry/vfs/file_description.go:710 +0xb5 fp=0xc000b95908 sp=0xc000b95888 pc=0x7d6675
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.write(0xc000787500, 0xc00030a900, 0x14178e0, 0xc000bc4000, 0x0, 0x1, 0x200000c0, 0x3e, 0x100, 0x0, ...)
	pkg/sentry/syscalls/linux/vfs2/read_write.go:454 +0xa5 fp=0xc000b95a98 sp=0xc000b95908 pc=0xe5e845
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Write(0xc000787500, 0xf0, 0x200000c0, 0x3e, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
	pkg/sentry/syscalls/linux/vfs2/read_write.go:417 +0x21e fp=0xc000b95b90 sp=0xc000b95a98 pc=0xe5e0de
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc000787500, 0x1, 0xf0, 0x200000c0, 0x3e, 0x0, 0x0, 0x0, 0x0, 0x1283d40, ...)
	pkg/sentry/kernel/task_syscall.go:116 +0x1b9 fp=0xc000b95c50 sp=0xc000b95b90 pc=0xa49119
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc000787500, 0x1, 0xf0, 0x200000c0, 0x3e, 0x0, 0x0, 0x0, 0x0, 0x0)
	pkg/sentry/kernel/task_syscall.go:291 +0x70 fp=0xc000b95cd8 sp=0xc000b95c50 pc=0xa4a3d0
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000787500, 0x1, 0xf0, 0x200000c0, 0x3e, 0x0, 0x0, 0x0, 0xc00068dca8, 0xc0009ae0c0)
	pkg/sentry/kernel/task_syscall.go:238 +0xb4 fp=0xc000b95d38 sp=0xc000b95cd8 pc=0xa49ed4
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc000787500, 0x2, 0xc000787500)
	pkg/sentry/kernel/task_syscall.go:205 +0x198 fp=0xc000b95e08 sp=0xc000b95d38 pc=0xa497b8
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc000787500, 0x13eed60, 0x0)
	pkg/sentry/kernel/task_run.go:327 +0xd95 fp=0xc000b95f60 sp=0xc000b95e08 pc=0xa3c275
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000787500, 0xb)
	pkg/sentry/kernel/task_run.go:100 +0x1e2 fp=0xc000b95fd0 sp=0xc000b95f60 pc=0xa3ad82
runtime.goexit()
	src/runtime/asm_amd64.s:1374 +0x1 fp=0xc000b95fd8 sp=0xc000b95fd0 pc=0x4705a1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:374 +0x116