> > ieee80211_tx_h_select_key() is performing a series of RCU dereferences, > but none of the callers seems to be taking RCU read-side lock; let's > acquire the lock in ieee80211_tx_h_select_key() itself. > but but ... > ieee80211_tx_dequeue+0x1a7/0x1260 [mac80211 911c23e2351c0ae60b597a67b1204a5ea955e365] > rtw89_core_txq_work+0x1a6/0x420 [rtw89_core b39ba493f2e517ad75e0f8187ecc24edf58bbbea] /** * ieee80211_tx_dequeue - dequeue a packet from a software tx queue * * @hw: pointer as obtained from ieee80211_alloc_hw() * @txq: pointer obtained from station or virtual interface, or from * ieee80211_next_txq() * * Returns the skb if successful, %NULL if no frame was available. * * Note that this must be called in an rcu_read_lock() critical section, * which can only be released after the SKB was handled. Some pointers in [...] -> driver bug? johannes
