Aditya Kumar Singh <quic_adisi@xxxxxxxxxxx> writes: > In ath12k_mac_assign_vif_to_vdev(), if arvif is created on a different > radio, it gets deleted from that radio through a call to > ath12k_mac_unassign_link_vif(). This action frees the arvif pointer. > Subsequently, there is a check involving arvif, which will result in a > read-after-free scenario. > > Fix this by moving this check after arvif is again assigned via call to > ath12k_mac_assign_link_vif(). > > Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1 > > Closes: https://scan5.scan.coverity.com/#/project-view/63541/10063?selectedIssue=1636423 > Fixes: b5068bc9180d ("wifi: ath12k: Cache vdev configs before vdev create") > Signed-off-by: Aditya Kumar Singh <quic_adisi@xxxxxxxxxxx> Acked-by: Kalle Valo <kvalo@xxxxxxxxxx> -- https://patchwork.kernel.org/project/linux-wireless/list/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches