diff options
| author | Vlad Yasevich <vladislav.yasevich@hp.com> | 2010-04-30 22:39:26 -0400 |
|---|---|---|
| committer | Vlad Yasevich <vladislav.yasevich@hp.com> | 2010-04-30 22:39:26 -0400 |
| commit | fbdf501c9374966a56829ecca3a7f25d2b49a305 (patch) | |
| tree | f52fae427ba1c58789e1fc2f11a47725ea132f1d /net/sctp | |
| parent | bc4f841a05364b2572bcc266e9fd7e9cf5f06d5b (diff) | |
| download | linux-stable-fbdf501c9374966a56829ecca3a7f25d2b49a305.tar.gz linux-stable-fbdf501c9374966a56829ecca3a7f25d2b49a305.tar.bz2 linux-stable-fbdf501c9374966a56829ecca3a7f25d2b49a305.zip | |
sctp: Do no select unconfirmed transports for retransmissions
An unconfirmed transport is one that we have not been
able to reach since the beginning. There is no point in
trying to retrasnmit data on those transports. Also, the
specification forbids it due to security issues.
Reported-by: Frank Schuster <frank.schuster01@web.de>
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Diffstat (limited to 'net/sctp')
| -rw-r--r-- | net/sctp/associola.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/net/sctp/associola.c b/net/sctp/associola.c index df5abbff63e2..de830c268564 100644 --- a/net/sctp/associola.c +++ b/net/sctp/associola.c @@ -762,7 +762,8 @@ struct sctp_transport *sctp_assoc_add_peer(struct sctp_association *asoc, asoc->peer.retran_path = peer; } - if (asoc->peer.active_path == asoc->peer.retran_path) { + if (asoc->peer.active_path == asoc->peer.retran_path && + peer->state != SCTP_UNCONFIRMED) { asoc->peer.retran_path = peer; } @@ -1318,7 +1319,7 @@ void sctp_assoc_update_retran_path(struct sctp_association *asoc) /* Keep track of the next transport in case * we don't find any active transport. */ - if (!next) + if (t->state != SCTP_UNCONFIRMED && !next) next = t; } } |