[PATCH 096/270] libceph: fix NULL dereference in reset_connection()

From: Herton Ronaldo Krzesinski
Date: Mon Nov 26 2012 - 12:05:40 EST


3.5.7u1 -stable review patch. If anyone has any objections, please let me know.

------------------

From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

commit 26ce171915f348abd1f41da1ed139d93750d987f upstream.

We dereference "con->in_msg" on the line after it was set to NULL.

Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Reviewed-by: Alex Elder <elder@xxxxxxxxxxx>
Signed-off-by: Herton Ronaldo Krzesinski <herton.krzesinski@xxxxxxxxxxxxx>
---
net/ceph/messenger.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index c52d587..0a6fdf8 100644
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -440,7 +440,7 @@ static void reset_connection(struct ceph_connection *con)
con->in_msg->con = NULL;
ceph_msg_put(con->in_msg);
con->in_msg = NULL;
- ceph_con_put(con->in_msg->con);
+ ceph_con_put(con);
}

con->connect_seq = 0;
--
1.7.9.5

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