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Message-ID: <87cyxrgknj.fsf@kernel.org>
Date:   Sat, 07 Oct 2023 06:45:52 +0300
From:   Kalle Valo <kvalo@...nel.org>
To:     Kees Cook <keescook@...omium.org>
Cc:     Felix Fietkau <nbd@....name>,
        Lorenzo Bianconi <lorenzo@...nel.org>,
        Ryder Lee <ryder.lee@...iatek.com>,
        Shayne Chen <shayne.chen@...iatek.com>,
        Sean Wang <sean.wang@...iatek.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        linux-wireless@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org,
        Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Tom Rix <trix@...hat.com>, linux-kernel@...r.kernel.org,
        llvm@...ts.linux.dev, linux-hardening@...r.kernel.org
Subject: Re: [PATCH] wifi: mt76: Annotate struct mt76_rx_tid with __counted_by

Kees Cook <keescook@...omium.org> writes:

> On Fri, Sep 15, 2023 at 01:06:12PM -0700, Kees Cook wrote:
>> Prepare for the coming implementation by GCC and Clang of the __counted_by
>> attribute. Flexible array members annotated with __counted_by can have
>> their accesses bounds-checked at run-time checking via CONFIG_UBSAN_BOUNDS
>> (for array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family
>> functions).
>> 
>> As found with Coccinelle[1], add __counted_by for struct mt76_rx_tid.
>
> Friendly ping. Can this get picked up by the wifi tree, or should it go
> via something else?

It's already in mt76 pull request and should be in wireless-next next
week:

https://patchwork.kernel.org/project/linux-wireless/patch/a5a2baaa-0db4-403e-9ebd-a7ff089675b4@nbd.name/

-- 
https://patchwork.kernel.org/project/linux-wireless/list/

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

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