linux-kernel - Fix memory leak in sierra

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: <20121023200333.GN18610@csclub.uwaterloo.ca>
Date:	Tue, 23 Oct 2012 16:03:33 -0400
From:	"Lennart Sorensen" <lsorense@...lub.uwaterloo.ca>
To:	linux-kernel@...r.kernel.org
Cc:	Bjørn Mork <bjorn@...k.no>,
	Len Sorensen <lsorense@...lub.uwaterloo.ca>,
	linux@...rrawireless.com
Subject: Fix memory leak in sierra_release()

I found a memory leak in sierra_release() (well sierra_probe() I guess)
that looses 8 bytes each time the driver releases a device.

Here is the patch to fix it.

diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c
index 01d882c..76ef95b 100644
--- a/drivers/usb/serial/sierra.c
+++ b/drivers/usb/serial/sierra.c
@@ -959,6 +959,7 @@ static void sierra_release(struct usb_serial *serial)
 			continue;
 		kfree(portdata);
 	}
+	kfree(serial->private);
 }
 
 #ifdef CONFIG_PM

-- 
Len Sorensen
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/