| Date | Sun, 05 Feb 2012 23:11:12 +0100 | From | Willy Tarreau <> | Subject | [PATCH 83/91] net/ipv4: Check for mistakenly passed in non-IPv4 address |
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2.6.27-longterm review patch. If anyone has any objections, please let us know.
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[ 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@suse.de> Cc: Reinhard Max <max@suse.de> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> --- net/ipv4/af_inet.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-)
Index: longterm-2.6.27/net/ipv4/af_inet.c =================================================================== --- longterm-2.6.27.orig/net/ipv4/af_inet.c 2012-02-05 22:34:32.462915223 +0100 +++ longterm-2.6.27/net/ipv4/af_inet.c 2012-02-05 22:34:46.727915859 +0100 @@ -458,6 +458,9 @@ 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
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