net: Update raw socket bind to consider l3 domain (cd2c0f45) · Commits · 戴 / test

Binding a raw socket to a local address fails if the socket is bound to an L3 domain: $ vrf-test -s -l 10.100.1.2 -R -I red error binding socket: 99: Cannot assign requested address Update raw_bind to look consider if sk_bound_dev_if is bound to an L3 domain and use inet_addr_type_table to lookup the address. Signed-off-by:

David Ahern <dsa@cumulusnetworks.com> Signed-off-by:

David S. Miller <davem@davemloft.net>

net/ipv4/raw.c

+9 −1

Original line number	Diff line number	Diff line
		@@ -695,12 +695,20 @@ static int raw_bind(struct sock sk, struct sockaddr uaddr, int addr_len)
		{
		struct inet_sock *inet = inet_sk(sk);
		struct sockaddr_in addr = (struct sockaddr_in ) uaddr;
		u32 tb_id = RT_TABLE_LOCAL;
		int ret = -EINVAL;
		int chk_addr_ret;

		if (sk->sk_state != TCP_CLOSE \|\| addr_len < sizeof(struct sockaddr_in))
		goto out;
		chk_addr_ret = inet_addr_type(sock_net(sk), addr->sin_addr.s_addr);

		if (sk->sk_bound_dev_if)
		tb_id = l3mdev_fib_table_by_index(sock_net(sk),
		sk->sk_bound_dev_if) ? : tb_id;

		chk_addr_ret = inet_addr_type_table(sock_net(sk), addr->sin_addr.s_addr,
		tb_id);

		ret = -EADDRNOTAVAIL;
		if (addr->sin_addr.s_addr && chk_addr_ret != RTN_LOCAL &&
		chk_addr_ret != RTN_MULTICAST && chk_addr_ret != RTN_BROADCAST)

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