SCTP: Fix a potential race between timers and receive path.
There is a possible race condition where the timer code will free the association and the next packet in the queue will also attempt to free the same association. The example is, when we receive an ABORT at about the same time as the retransmission timer fires. If the timer wins the race, it will free the association. Once it releases the lock, the queue processing will recieve the ABORT and will try to free the association again. Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
This commit is contained in:
parent
73d9c4fd1a
commit
027f6e1ad3
|
@ -90,6 +90,10 @@ void sctp_inq_free(struct sctp_inq *queue)
|
|||
void sctp_inq_push(struct sctp_inq *q, struct sctp_chunk *chunk)
|
||||
{
|
||||
/* Directly call the packet handling routine. */
|
||||
if (chunk->rcvr->dead) {
|
||||
sctp_chunk_free(chunk);
|
||||
return;
|
||||
}
|
||||
|
||||
/* We are now calling this either from the soft interrupt
|
||||
* or from the backlog processing.
|
||||
|
|
Loading…
Reference in a new issue