linux-kernel - Re: [PATCH v3] wifi: brcm80211: handle pmk

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Date: Tue,  5 Mar 2024 18:56:21 +0000 (UTC)
From: Kalle Valo <kvalo@...nel.org>
To: Duoming Zhou <duoming@....edu.cn>
Cc: linux-kernel@...r.kernel.org, brcm80211-dev-list.pdl@...adcom.com,
 brcm80211@...ts.linux.dev, linux-wireless@...r.kernel.org,
 justinstitt@...gle.com, quic_alokad@...cinc.com, jisoo.jang@...sei.ac.kr,
 petr.tesarik.ext@...wei.com, hdegoede@...hat.com, keescook@...omium.org,
 johannes.berg@...el.com, arend.vanspriel@...adcom.com,
 Duoming Zhou <duoming@....edu.cn>
Subject: Re: [PATCH v3] wifi: brcm80211: handle pmk_op allocation failure

Duoming Zhou <duoming@....edu.cn> 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@...adcom.com>
> Signed-off-by: Duoming Zhou <duoming@....edu.cn>
> Reviewed-by: Kees Cook <keescook@...omium.org>

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@zju.edu.cn/

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