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[SCTP] bug: sctp_assoc_lookup_laddr() is broken with ipv6. 

It expects (and gets) laddr with net-endian sin_port.  And then it calls
sctp_bind_addr_match(), which *does* care about port numbers in case of
ipv6 and expects them to be host-endian.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Al Viro 2006-11-20 17:02:22 -08:00 committed by David S. Miller
parent 04afd8b282
commit 39940a48c4
1 changed files with 3 additions and 1 deletions
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4
net/sctp/associola.c
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@ -1335,10 +1335,12 @@ int sctp_assoc_lookup_laddr(struct sctp_association *asoc,
const union sctp_addr *laddr)
{
int found;
union sctp_addr tmp;
flip_to_h(&tmp, laddr);
sctp_read_lock(&asoc->base.addr_lock);
if ((asoc->base.bind_addr.port == ntohs(laddr->v4.sin_port)) &&
sctp_bind_addr_match(&asoc->base.bind_addr, laddr,
sctp_bind_addr_match(&asoc->base.bind_addr, &tmp,
sctp_sk(asoc->base.sk))) {
found = 1;
goto out;