From: Minghao Chi (CGEL ZTE) <chi.minghao@zte.com.cn>
Date: Fri, 25 Feb 2022 07:41:52 +0000 (+0000)
Subject: Bluetooth: use memset avoid memory leaks
X-Git-Tag: v5.16.20~200
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e9e55acee9b7a737ec7f5161b94a78932a5514c8;p=thirdparty%2Fkernel%2Fstable.git

Bluetooth: use memset avoid memory leaks

[ Upstream commit d3715b2333e9a21692ba16ef8645eda584a9515d ]

Use memset to initialize structs to prevent memory leaks
in l2cap_ecred_connect

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Minghao Chi (CGEL ZTE) <chi.minghao@zte.com.cn>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 4f8f375999625..e06baffc0dc6a 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -1436,6 +1436,7 @@ static void l2cap_ecred_connect(struct l2cap_chan *chan)
 
 	l2cap_ecred_init(chan, 0);
 
+	memset(&data, 0, sizeof(data));
 	data.pdu.req.psm     = chan->psm;
 	data.pdu.req.mtu     = cpu_to_le16(chan->imtu);
 	data.pdu.req.mps     = cpu_to_le16(chan->mps);