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authorAl Viro <viro@zeniv.linux.org.uk>2006-11-20 17:03:01 -0800
committerDavid S. Miller <davem@sunset.davemloft.net>2006-12-02 21:26:27 -0800
commit0906e20fa03afdb14faf7fd166bfe4ed67c8db55 (patch)
treefba766aba261737ad8968552a3049bd50387531b /net/sctp/associola.c
parentd5c747f6efc03495635f129c8eb1dad0200ab183 (diff)
[SCTP] bug: sctp_assoc_control_transport() breakage
a) struct sockaddr_storage * passed to sctp_ulpevent_make_peer_addr_change() actually points at union sctp_addr field in a structure. Then that sucker gets copied to userland, with whatever junk we might have there. b) it's actually having host-endian sin_port. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sctp/associola.c')
-rw-r--r--net/sctp/associola.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/net/sctp/associola.c b/net/sctp/associola.c
index 7639044b007..746b0b0f5ac 100644
--- a/net/sctp/associola.c
+++ b/net/sctp/associola.c
@@ -709,6 +709,7 @@ void sctp_assoc_control_transport(struct sctp_association *asoc,
struct sctp_transport *first;
struct sctp_transport *second;
struct sctp_ulpevent *event;
+ struct sockaddr_storage addr;
struct list_head *pos;
int spc_state = 0;
@@ -731,8 +732,9 @@ void sctp_assoc_control_transport(struct sctp_association *asoc,
/* Generate and send a SCTP_PEER_ADDR_CHANGE notification to the
* user.
*/
- event = sctp_ulpevent_make_peer_addr_change(asoc,
- (struct sockaddr_storage *) &transport->ipaddr,
+ memset(&addr, 0, sizeof(struct sockaddr_storage));
+ flip_to_n((union sctp_addr *)&addr, &transport->ipaddr);
+ event = sctp_ulpevent_make_peer_addr_change(asoc, &addr,
0, spc_state, error, GFP_ATOMIC);
if (event)
sctp_ulpq_tail_event(&asoc->ulpq, event);