Dan Carpenter <dan.carpenter@xxxxxxxxxx> wrote:
> The "rate_index" is only used as an index into the phist_data->rx_rate[]
> array in the mwifiex_hist_data_set() function. That array has
> MWIFIEX_MAX_AC_RX_RATES (74) elements and it's used to generate some
> debugfs information. The "rate_index" variable comes from the network
> skb->data[] and it is a u8 so it's in the 0-255 range. We need to cap
> it to prevent an array overflow.
>
> Fixes: cbf6e05527a7 ("mwifiex: add rx histogram statistics support")
> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Patch applied to wireless-drivers-next.git, thanks.
b4c35c17227f mwifiex: prevent an array overflow
--
https://patchwork.kernel.org/patch/10885297/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
