diff options
| author | Ryder Lee <ryder.lee@mediatek.com> | 2022-12-03 11:22:24 +0800 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2022-12-09 16:45:38 +0100 |
| commit | f37c6e5c75029443bc72c45acf92b2f2de2945be (patch) | |
| tree | 5aa87fe852d2c4ff01447715aa6dff2cb0fb8ced /drivers/net/wireless/mediatek | |
| parent | 5202b983f9894d31110e49c4ec6b57955b5eaa1a (diff) | |
wifi: mt76: mt7996: fix insecure data handling of mt7996_mcu_rx_radar_detected()
Coverity message:
using tainted "r->band_idx" variable as an index into an array "(*dev).mt76.phys".
Reported-by: coverity-bot <keescook+coverity-bot@chromium.org>
Addresses-Coverity-ID: 1527812 ("Insecure data handling")
Fixes: 98686cd21624 ("wifi: mt76: mt7996: add driver for MediaTek Wi-Fi 7 (802.11be) devices")
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'drivers/net/wireless/mediatek')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7996/mcu.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c index a90b7ca2df63..efb245c8ac84 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c @@ -335,6 +335,9 @@ mt7996_mcu_rx_radar_detected(struct mt7996_dev *dev, struct sk_buff *skb) r = (struct mt7996_mcu_rdd_report *)skb->data; + if (r->band_idx >= ARRAY_SIZE(dev->mt76.phys)) + return; + mphy = dev->mt76.phys[r->band_idx]; if (!mphy) return; |