Venkateswara Rao Naralasetty <vnaralas@xxxxxxxxxxxxxx> wrote: > When there is WMI command failure, 'peer->sta' was not getting > cleaned up, and mac80211 frees the 'sta' memory, which is causing > the below page fault. > > Cleaning up the sta pointer in ath11k whenever peer delete command > is sent. > > Unable to handle kernel paging request at virtual address 200080000006a > pgd = ffffffc02a774000 > [200080000006a] *pgd=0000000000000000, *pud=0000000000000000 > Internal error: Oops: 96000004 [#1] PREEMPT SMP > . > . > . > CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 4.4.60 #1 > Hardware name: Qualcomm Technologies, Inc. IPQ807x/AP-HK01-C1 (DT) > task: ffffffc00083c6d0 ti: ffffffc00083c6d0 task.ti: ffffffc00083c6d0 > PC is at ath11k_dp_rx_process_mon_status+0x114/0x4e0 [ath11k] > LR is at ath11k_dp_rx_process_mon_status+0xe8/0x4e0 [ath11k] > pc : [<ffffffbffcf8e544>] lr : [<ffffffbffcf8e518>] pstate: 60000145 > sp : ffffffc000833a30 > > Signed-off-by: Vikas Patel <vikpatel@xxxxxxxxxxxxxx> > Signed-off-by: Venkateswara Naralasetty <vnaralas@xxxxxxxxxxxxxx> > Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxx> Patch applied to ath-next branch of ath.git, thanks. 58595c9874c6 ath11k: Fixing dangling pointer issue upon peer delete failure -- https://patchwork.kernel.org/patch/11365881/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
