Re: [PATCH wireless] wifi: wilc1000: fix ies_len type in connect path

[Kalle Valo]

Alexis Lothoré <alexis.lothore@xxxxxxxxxxx> wrote:

> From: Jozef Hopko <jozef.hopko@xxxxxxxxxx>
> 
> Commit 205c50306acf ("wifi: wilc1000: fix RCU usage in connect path")
> made sure that the IEs data was manipulated under the relevant RCU section.
> Unfortunately, while doing so, the commit brought a faulty implicit cast
> from int to u8 on the ies_len variable, making the parsing fail to be
> performed correctly if the IEs block is larger than 255 bytes. This failure
> can be observed with Access Points appending a lot of IEs TLVs in their
> beacon frames (reproduced with a Pixel phone acting as an Access Point,
> which brough 273 bytes of IE data in my testing environment).
> 
> Fix IEs parsing by removing this undesired implicit cast.
> 
> Fixes: 205c50306acf ("wifi: wilc1000: fix RCU usage in connect path")
> Signed-off-by: Jozef Hopko <jozef.hopko@xxxxxxxxxx>
> Signed-off-by: Alexis Lothoré <alexis.lothore@xxxxxxxxxxx>
> Acked-by: Ajay Singh <ajay.kathat@xxxxxxxxxxxxx>

Patch applied to wireless.git, thanks.

39ab8fff6230 wifi: wilc1000: fix ies_len type in connect path

-- 
https://patchwork.kernel.org/project/linux-wireless/patch/20240701-wilc_fix_ies_data-v1-1-7486cbacf98a@xxxxxxxxxxx/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches