This is a note to let you know that I've just added the patch titled
mt76: mt7915: fix an off-by-one bound check
to the 5.14-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:
mt76-mt7915-fix-an-off-by-one-bound-check.patch
and it can be found in the queue-5.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 77ee2848ffe75c3c940179b38988560c99b320f4
Author: Ryder Lee <ryder.lee@xxxxxxxxxxxx>
Date: Wed Jul 14 15:56:10 2021 +0800
mt76: mt7915: fix an off-by-one bound check
[ Upstream commit d45dac0732a287fc371a23f257cce04e65627947 ]
The bounds check on datalen is off-by-one, so fix it.
Signed-off-by: Ryder Lee <ryder.lee@xxxxxxxxxxxx>
Signed-off-by: Felix Fietkau <nbd@xxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
index 43960770a9af2..2f30047bd80f2 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
@@ -925,7 +925,7 @@ static void mt7915_check_he_obss_narrow_bw_ru_iter(struct wiphy *wiphy,
elem = ieee80211_bss_get_elem(bss, WLAN_EID_EXT_CAPABILITY);
- if (!elem || elem->datalen < 10 ||
+ if (!elem || elem->datalen <= 10 ||
!(elem->data[10] &
WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT))
data->tolerated = false;
