Xin Long cfe4bd7a25 sctp: check and update stream->out_curr when allocating stream_out
Now when using stream reconfig to add out streams, stream->out
will get re-allocated, and all old streams' information will
be copied to the new ones and the old ones will be freed.

So without stream->out_curr updated, next time when trying to
send from stream->out_curr stream, a panic would be caused.

This patch is to check and update stream->out_curr when
allocating stream_out.

v1->v2:
  - define fa_index() to get elem index from stream->out_curr.
v2->v3:
  - repost with no change.

Fixes: 5bbbbe32a431 ("sctp: introduce stream scheduler foundations")
Reported-by: Ying Xu <yinxu@redhat.com>
Reported-by: syzbot+e33a3a138267ca119c7d@syzkaller.appspotmail.com
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-03 14:27:47 -08:00
..
2018-12-25 17:07:49 +09:00
2018-10-23 10:57:06 -07:00
2019-01-23 11:18:00 -08:00
2019-01-27 23:11:55 -08:00
2018-11-10 16:55:11 -08:00
2018-10-22 19:59:20 -07:00
2019-01-27 10:38:04 -08:00
2018-11-29 14:25:36 -08:00