From: <gregkh@linuxfoundation.org>
To: peter@lekensteyn.nl, Larry.Finger@lwfinger.net,
gregkh@linuxfoundation.org, kvalo@codeaurora.org
Cc: <stable@vger.kernel.org>, <stable-commits@vger.kernel.org>
Subject: Patch "rtlwifi: fix memory leak for USB device" has been added to the 4.4-stable tree
Date: Mon, 25 Jan 2016 18:46:57 -0800 [thread overview]
Message-ID: <145377641779221@kroah.com> (raw)
This is a note to let you know that I've just added the patch titled
rtlwifi: fix memory leak for USB device
to the 4.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
rtlwifi-fix-memory-leak-for-usb-device.patch
and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.
>From 17bc55864f81dd730d05f09b1641312a7990d636 Mon Sep 17 00:00:00 2001
From: Peter Wu <peter@lekensteyn.nl>
Date: Mon, 7 Dec 2015 01:07:31 +0100
Subject: rtlwifi: fix memory leak for USB device
From: Peter Wu <peter@lekensteyn.nl>
commit 17bc55864f81dd730d05f09b1641312a7990d636 upstream.
Free skb for received frames with a wrong checksum. This can happen
pretty rapidly, exhausting all memory.
This fixes a memleak (detected with kmemleak). Originally found while
using monitor mode, but it also appears during managed mode (once the
link is up).
Signed-off-by: Peter Wu <peter@lekensteyn.nl>
ACKed-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/wireless/realtek/rtlwifi/usb.c | 2 ++
1 file changed, 2 insertions(+)
--- a/drivers/net/wireless/realtek/rtlwifi/usb.c
+++ b/drivers/net/wireless/realtek/rtlwifi/usb.c
@@ -531,6 +531,8 @@ static void _rtl_usb_rx_process_noagg(st
ieee80211_rx(hw, skb);
else
dev_kfree_skb_any(skb);
+ } else {
+ dev_kfree_skb_any(skb);
}
}
Patches currently in stable-queue which might be from peter@lekensteyn.nl are
queue-4.4/rtlwifi-fix-memory-leak-for-usb-device.patch
reply other threads:[~2016-01-26 2:46 UTC|newest]
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