This is a note to let you know that I've just added the patch titled
mt76: mt7915: fix info leak in mt7915_mcu_set_pre_cal()
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-info-leak-in-mt7915_mcu_set_pre_cal.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 9f99877d3be359a4bdb95678f3dc9245036e2718
Author: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Date: Fri Jun 25 17:58:54 2021 +0300
mt76: mt7915: fix info leak in mt7915_mcu_set_pre_cal()
[ Upstream commit 3924715ffe5e064a85f56490f77b7b2084230800 ]
Zero out all the unused members of "req" so that we don't disclose
stack information.
Fixes: 495184ac91bb ("mt76: mt7915: add support for applying pre-calibration data")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Acked-by: Felix Fietkau <nbd@xxxxxxxx>
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 2f30047bd80f2..caf2033c5c17e 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
@@ -3481,7 +3481,7 @@ static int mt7915_mcu_set_pre_cal(struct mt7915_dev *dev, u8 idx,
u8 idx;
u8 rsv[4];
__le32 len;
- } req;
+ } req = {};
struct sk_buff *skb;
skb = mt76_mcu_msg_alloc(&dev->mt76, NULL, sizeof(req) + len);
