From: Hangyu Hua <hbh25y@gmail.com>
Date: Tue, 14 Dec 2021 10:46:59 +0000 (+0800)
Subject: rds: memory leak in __rds_conn_create()
X-Git-Tag: v5.4.168~39
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=166f0adf7e7525c87595ceadb21a91e2a9519a1e;p=thirdparty%2Fkernel%2Fstable.git

rds: memory leak in __rds_conn_create()

[ Upstream commit 5f9562ebe710c307adc5f666bf1a2162ee7977c0 ]

__rds_conn_create() did not release conn->c_path when loop_trans != 0 and
trans->t_prefer_loopback != 0 and is_outgoing == 0.

Fixes: aced3ce57cd3 ("RDS tcp loopback connection can hang")
Signed-off-by: Hangyu Hua <hbh25y@gmail.com>
Reviewed-by: Sharath Srinivasan <sharath.srinivasan@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/net/rds/connection.c b/net/rds/connection.c
index c85bd6340eaa7..92ff40e7a66cf 100644
--- a/net/rds/connection.c
+++ b/net/rds/connection.c
@@ -253,6 +253,7 @@ static struct rds_connection *__rds_conn_create(struct net *net,
 				 * should end up here, but if it
 				 * does, reset/destroy the connection.
 				 */
+				kfree(conn->c_path);
 				kmem_cache_free(rds_conn_slab, conn);
 				conn = ERR_PTR(-EOPNOTSUPP);
 				goto out;