Dan Carpenter <dan.carpenter@xxxxxxxxxx> wrote:
> The simple_write_to_buffer() function will succeed if even a single
> byte is initialized. However, we need to initialize the whole buffer
> to prevent information leaks. Just use memdup_user().
>
> Fixes: ff974e408334 ("wil6210: debugfs interface to send raw WMI command")
> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> Signed-off-by: Kalle Valo <quic_kvalo@xxxxxxxxxxx>
Patch applied to ath-next branch of ath.git, thanks.
7a4836560a61 wifi: wil6210: debugfs: fix info leak in wil_write_file_wmi()
--
https://patchwork.kernel.org/project/linux-wireless/patch/Ysg14NdKAZF/hcNG@kili/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
