This is a note to let you know that I've just added the patch titled
staging: rtl8188eu: prevent an underflow in rtw_check_beacon_data()
to the 4.11-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:
staging-rtl8188eu-prevent-an-underflow-in-rtw_check_beacon_data.patch
and it can be found in the queue-4.11 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 784047eb2d3405a35087af70cba46170c5576b25 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Date: Sat, 22 Apr 2017 13:47:23 +0300
Subject: staging: rtl8188eu: prevent an underflow in rtw_check_beacon_data()
From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
commit 784047eb2d3405a35087af70cba46170c5576b25 upstream.
The "len" could be as low as -14 so we should check for negatives.
Fixes: 9a7fe54ddc3a ("staging: r8188eu: Add source files for new driver - part 1")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/staging/rtl8188eu/core/rtw_ap.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/staging/rtl8188eu/core/rtw_ap.c
+++ b/drivers/staging/rtl8188eu/core/rtw_ap.c
@@ -888,7 +888,7 @@ int rtw_check_beacon_data(struct adapter
return _FAIL;
- if (len > MAX_IE_SZ)
+ if (len < 0 || len > MAX_IE_SZ)
return _FAIL;
pbss_network->IELength = len;
Patches currently in stable-queue which might be from dan.carpenter@xxxxxxxxxx are
queue-4.11/drivers-misc-c2port-c2port-duramar2150.c-checking-for-null-instead-of-is_err.patch
queue-4.11/iio-adc-ti_am335x_adc-allocating-too-much-in-probe.patch
queue-4.11/staging-bcm2835-camera-fix-error-handling-in-init.patch
queue-4.11/staging-rtl8188eu-prevent-an-underflow-in-rtw_check_beacon_data.patch