linux-kernel - [PATCH] media: dvb: Fix memory leak in af9005_identify

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <20191027222438.16208-1-navid.emamdoost@gmail.com>
Date:   Sun, 27 Oct 2019 17:24:35 -0500
From:   Navid Emamdoost <navid.emamdoost@...il.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     emamd001@....edu, kjlu@....edu, smccaman@....edu,
        Navid Emamdoost <navid.emamdoost@...il.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Allison Randal <allison@...utok.net>,
        Thomas Gleixner <tglx@...utronix.de>,
        Kate Stewart <kstewart@...uxfoundation.org>,
        Richard Fontana <rfontana@...hat.com>,
        linux-media@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] media: dvb: Fix memory leak in af9005_identify_state

In the implementation of af9005_identify_state() there is a memory leak
when checking the reply of af9005_boot_packet(). Go to error path to
release buf.

Fixes: af4e067e1dcf ("V4L/DVB (5625): Add support for the AF9005 demodulator from Afatech")
Signed-off-by: Navid Emamdoost <navid.emamdoost@...il.com>
---
 drivers/media/usb/dvb-usb/af9005.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/media/usb/dvb-usb/af9005.c b/drivers/media/usb/dvb-usb/af9005.c
index 02697d86e8c1..cfaf630be4d8 100644
--- a/drivers/media/usb/dvb-usb/af9005.c
+++ b/drivers/media/usb/dvb-usb/af9005.c
@@ -975,8 +975,10 @@ static int af9005_identify_state(struct usb_device *udev,
 		*cold = 1;
 	else if (reply == 0x02)
 		*cold = 0;
-	else
-		return -EIO;
+	else {
+		ret = -EIO;
+		goto err;
+	}
 	deb_info("Identify state cold = %d\n", *cold);
 
 err:
-- 
2.17.1