From: Dan Carpenter <dan.carpenter@oracle.com>
To: Felix Fietkau <nbd@nbd.name>
Cc: Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>,
Ryder Lee <ryder.lee@mediatek.com>,
Kalle Valo <kvalo@codeaurora.org>,
Matthias Brugger <matthias.bgg@gmail.com>,
Shayne Chen <shayne.chen@mediatek.com>,
linux-wireless@vger.kernel.org,
linux-mediatek@lists.infradead.org,
kernel-janitors@vger.kernel.org
Subject: [PATCH] mt76: mt7915: fix info leak in mt7915_mcu_set_pre_cal()
Date: Fri, 25 Jun 2021 17:58:54 +0300 [thread overview]
Message-ID: <YNXvLvrvllpXgCIn@mwanda> (raw)
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@oracle.com>
---
drivers/net/wireless/mediatek/mt76/mt7915/mcu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
index 863aa18b3024..21769e4f6bc7 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);
--
2.30.2
next reply other threads:[~2021-06-25 15:04 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-25 14:58 Dan Carpenter [this message]
2021-06-26 9:43 ` [PATCH] mt76: mt7915: fix info leak in mt7915_mcu_set_pre_cal() Kalle Valo
2021-06-26 11:42 ` Felix Fietkau
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