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| author | Xin Long <lucien.xin@gmail.com> | 2017-11-26 20:56:07 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-11-28 15:55:44 -0500 |
| commit | a8dd397903a6e57157f6265911f7d35681364427 (patch) | |
| tree | ed77ddc6748e76f18d5df0874c8a5124877aab14 /net | |
| parent | f85729d07cd649bf69820f14bdad36326a24a699 (diff) | |
| download | blackbird-op-linux-a8dd397903a6e57157f6265911f7d35681364427.tar.gz blackbird-op-linux-a8dd397903a6e57157f6265911f7d35681364427.zip | |
sctp: use right member as the param of list_for_each_entry
Commit d04adf1b3551 ("sctp: reset owner sk for data chunks on out queues
when migrating a sock") made a mistake that using 'list' as the param of
list_for_each_entry to traverse the retransmit, sacked and abandoned
queues, while chunks are using 'transmitted_list' to link into these
queues.
It could cause NULL dereference panic if there are chunks in any of these
queues when peeling off one asoc.
So use the chunk member 'transmitted_list' instead in this patch.
Fixes: d04adf1b3551 ("sctp: reset owner sk for data chunks on out queues when migrating a sock")
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/sctp/socket.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/net/sctp/socket.c b/net/sctp/socket.c index 3204a9b29407..014847e25648 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -188,13 +188,13 @@ static void sctp_for_each_tx_datachunk(struct sctp_association *asoc, list_for_each_entry(chunk, &t->transmitted, transmitted_list) cb(chunk); - list_for_each_entry(chunk, &q->retransmit, list) + list_for_each_entry(chunk, &q->retransmit, transmitted_list) cb(chunk); - list_for_each_entry(chunk, &q->sacked, list) + list_for_each_entry(chunk, &q->sacked, transmitted_list) cb(chunk); - list_for_each_entry(chunk, &q->abandoned, list) + list_for_each_entry(chunk, &q->abandoned, transmitted_list) cb(chunk); list_for_each_entry(chunk, &q->out_chunk_list, list) |
