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Subject: Re: [PATCH] ath12k: fix memcpy array overflow in
 ath12k_peer_assoc_h_he
From:   Kalle Valo <kvalo@kernel.org>
In-Reply-To: <20230703123737.3420464-1-arnd@kernel.org>
References: <20230703123737.3420464-1-arnd@kernel.org>
To:     Arnd Bergmann <arnd@kernel.org>
Cc:     Jeff Johnson <quic_jjohnson@quicinc.com>,
        Balamurugan Selvarajan <quic_bselvara@quicinc.com>,
        P Praneesh <quic_ppranees@quicinc.com>,
        Baochen Qiang <quic_bqiang@quicinc.com>,
        Karthikeyan Periyasamy <quic_periyasa@quicinc.com>,
        Arnd Bergmann <arnd@arndb.de>,
        Ramya Gnanasekar <quic_rgnanase@quicinc.com>,
        Wen Gong <quic_wgong@quicinc.com>,
        Karthik M <quic_karm@quicinc.com>,
        Aditya Kumar Singh <quic_adisi@quicinc.com>,
        Aishwarya R <quic_aisr@quicinc.com>,
        Carl Huang <quic_cjhuang@quicinc.com>,
        ath12k@lists.infradead.org, linux-wireless@vger.kernel.org,
        linux-kernel@vger.kernel.org
User-Agent: pwcli/0.1.1-git (https://github.com/kvalo/pwcli/) Python/3.11.2
Message-ID: <169099536007.463701.11948665209748140465.kvalo@kernel.org>
Date:   Wed,  2 Aug 2023 16:56:01 +0000 (UTC)
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List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

Arnd Bergmann <arnd@kernel.org> wrote:

> Two memory copies in this function copy from a short array into a longer one,
> using the wrong size, which leads to an out-of-bounds access:
> 
> include/linux/fortify-string.h:592:4: error: call to '__read_overflow2_field' declared with 'warning' attribute: detected read beyond size of field (2nd parameter); maybe use struct_group()? [-Werror,-Wattribute-warning]
>                         __read_overflow2_field(q_size_field, size);
>                         ^
> include/linux/fortify-string.h:592:4: error: call to '__read_overflow2_field' declared with 'warning' attribute: detected read beyond size of field (2nd parameter); maybe use struct_group()? [-Werror,-Wattribute-warning]
> 2 errors generated.
> 
> Fixes: d889913205cf7 ("wifi: ath12k: driver for Qualcomm Wi-Fi 7 devices")
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>

Patch applied to ath-next branch of ath.git, thanks.

603cf6c2fcdc wifi: ath12k: fix memcpy array overflow in ath12k_peer_assoc_h_he()

-- 
https://patchwork.kernel.org/project/linux-wireless/patch/20230703123737.3420464-1-arnd@kernel.org/

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