Commit d0733d2e authored Jun 01, 2011 by Marcus Meissner Committed by David S. Miller Jun 01, 2011

net/ipv4: Check for mistakenly passed in non-IPv4 address



Check against mistakenly passing in IPv6 addresses (which would result
in an INADDR_ANY bind) or similar incompatible sockaddrs.

Signed-off-by: Marcus Meissner <meissner@suse.de>
Cc: Reinhard Max <max@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 948252cb

net/ipv4/af_inet.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -465,6 +465,9 @@ int inet_bind(struct socket sock, struct sockaddr uaddr, int addr_len)
		if (addr_len < sizeof(struct sockaddr_in))
		goto out;

		if (addr->sin_family != AF_INET)
		goto out;

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

		/* Not specified by any standard per-se, however it breaks too