Re: [PATCH v3] wifi: brcm80211: handle pmk_op allocation failure

From: Kalle Valo
Date: Tue Mar 05 2024 - 13:56:33 EST


Duoming Zhou <duoming@xxxxxxxxxx> wrote:

> The kzalloc() in brcmf_pmksa_v3_op() will return null if the
> physical memory has run out. As a result, if we dereference
> the null value, the null pointer dereference bug will happen.
>
> Return -ENOMEM from brcmf_pmksa_v3_op() if kzalloc() fails
> for pmk_op.
>
> Fixes: a96202acaea4 ("wifi: brcmfmac: cfg80211: Add support for PMKID_V3 operations")
> Acked-by: Arend van Spriel <arend.vanspriel@xxxxxxxxxxxx>
> Signed-off-by: Duoming Zhou <duoming@xxxxxxxxxx>
> Reviewed-by: Kees Cook <keescook@xxxxxxxxxxxx>

Patch applied to wireless-next.git, thanks.

b4152222e04c wifi: brcm80211: handle pmk_op allocation failure

--
https://patchwork.kernel.org/project/linux-wireless/patch/20240229103153.18533-1-duoming@xxxxxxxxxx/

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