Carl Huang <cjhuang@xxxxxxxxxxxxxx> wrote: > The skb may be freed in tx completion context before > trace_ath10k_wmi_cmd is called. This can be easily captured when > KASAN(Kernel Address Sanitizer) is enabled. The fix is to move > trace_ath10k_wmi_cmd before the send operation. As the ret has no > meaning in trace_ath10k_wmi_cmd then, so remove this parameter too. > > Signed-off-by: Carl Huang <cjhuang@xxxxxxxxxxxxxx> > Tested-by: Brian Norris <briannorris@xxxxxxxxxxxx> > Reviewed-by: Brian Norris <briannorris@xxxxxxxxxxxx> > Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxx> Patch applied to ath-next branch of ath.git, thanks. 9ef0f58ed7b4 ath10k: fix use-after-free in ath10k_wmi_cmd_send_nowait -- https://patchwork.kernel.org/patch/10258179/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
