Hello! This is an experimental semi-automated report about issues detected by Coverity from a scan of next-20221202 as part of the linux-next scan project: https://scan.coverity.com/projects/linux-next-weekly-scan You're getting this email because you were associated with the identified lines of code (noted below) that were touched by commits: Thu Dec 1 17:29:14 2022 +0100 98686cd21624 ("wifi: mt76: mt7996: add driver for MediaTek Wi-Fi 7 (802.11be) devices") Coverity reported the following: *** CID 1527812: Insecure data handling (TAINTED_SCALAR) drivers/net/wireless/mediatek/mt76/mt7996/mcu.c:338 in mt7996_mcu_rx_radar_detected() 332 { 333 struct mt76_phy *mphy = &dev->mt76.phy; 334 struct mt7996_mcu_rdd_report *r; 335 336 r = (struct mt7996_mcu_rdd_report *)skb->data; 337 vvv CID 1527812: Insecure data handling (TAINTED_SCALAR) vvv Using tainted variable "r->band_idx" as an index into an array "(*dev).mt76.phys". 338 mphy = dev->mt76.phys[r->band_idx]; 339 if (!mphy) 340 return; 341 342 if (r->band_idx == MT_RX_SEL2) 343 cfg80211_background_radar_event(mphy->hw->wiphy, If this is a false positive, please let us know so we can mark it as such, or teach the Coverity rules to be smarter. If not, please make sure fixes get into linux-next. :) For patches fixing this, please include these lines (but double-check the "Fixes" first): Reported-by: coverity-bot <keescook+coverity-bot@xxxxxxxxxxxx> Addresses-Coverity-ID: 1527812 ("Insecure data handling") Fixes: 98686cd21624 ("wifi: mt76: mt7996: add driver for MediaTek Wi-Fi 7 (802.11be) devices") Thanks for your attention! -- Coverity-bot