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Date: Thu, 07 Jul 2011 17:15:46 -0700 From: Greg KH <gregkh@...e.de> To: linux-kernel@...r.kernel.org, stable@...nel.org Cc: stable-review@...nel.org, torvalds@...ux-foundation.org, akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk, Marcus Meissner <meissner@...e.de>, Reinhard Max <max@...e.de>, "David S. Miller" <davem@...emloft.net> Subject: [014/107] net/ipv4: Check for mistakenly passed in non-IPv4 address 2.6.39-stable review patch. If anyone has any objections, please let us know. ------------------ From: Marcus Meissner <meissner@...e.de> [ Upstream commit d0733d2e29b652b2e7b1438ececa732e4eed98eb ] 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@...e.de> Cc: Reinhard Max <max@...e.de> Signed-off-by: David S. Miller <davem@...emloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de> --- net/ipv4/af_inet.c | 3 +++ 1 file changed, 3 insertions(+) --- a/net/ipv4/af_inet.c +++ b/net/ipv4/af_inet.c @@ -464,6 +464,9 @@ int inet_bind(struct socket *sock, struc 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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