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net/ipv6: check for mistakenly passed in non-AF_INET6 sockaddrs 

Same check as for IPv4, also do for IPv6.

(If you passed in a IPv4 sockaddr_in here, the sizeof check
 in the line before would have triggered already though.)

Signed-off-by: Marcus Meissner <meissner@suse.de>
Cc: Reinhard Max <max@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Marcus Meissner 2011-06-06 06:00:07 +00:00 committed by David S. Miller
parent 2b22b1b1e1
commit 5a079c305a
1 changed files with 4 additions and 0 deletions
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4
net/ipv6/af_inet6.c
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@ -272,6 +272,10 @@ int inet6_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
if (addr_len < SIN6_LEN_RFC2133)
return -EINVAL;
if (addr->sin6_family != AF_INET6)
return -EINVAL;
addr_type = ipv6_addr_type(&addr->sin6_addr);
if ((addr_type & IPV6_ADDR_MULTICAST) && sock->type == SOCK_STREAM)
return -EINVAL;