linux-hardening - Re: [PATCH 10/12] iwlwifi: Track scan

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Message-ID: <87fsgk6nys.fsf@kernel.org>
Date:   Thu, 22 Sep 2022 07:18:51 +0300
From:   Kalle Valo <kvalo@...nel.org>
To:     Kees Cook <keescook@...omium.org>
Cc:     Vlastimil Babka <vbabka@...e.cz>,
        Gregory Greenman <gregory.greenman@...el.com>,
        Johannes Berg <johannes.berg@...el.com>,
        linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
        Pekka Enberg <penberg@...nel.org>,
        David Rientjes <rientjes@...gle.com>,
        Joonsoo Kim <iamjoonsoo.kim@....com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Alex Elder <elder@...nel.org>,
        Josef Bacik <josef@...icpanda.com>,
        David Sterba <dsterba@...e.com>,
        Sumit Semwal <sumit.semwal@...aro.org>,
        Christian König <christian.koenig@....com>,
        Jesse Brandeburg <jesse.brandeburg@...el.com>,
        Daniel Micay <danielmicay@...il.com>,
        Yonghong Song <yhs@...com>, Marco Elver <elver@...gle.com>,
        Miguel Ojeda <ojeda@...nel.org>,
        Jacob Shin <jacob.shin@....com>, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, linux-btrfs@...r.kernel.org,
        linux-media@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linaro-mm-sig@...ts.linaro.org, linux-fsdevel@...r.kernel.org,
        intel-wired-lan@...ts.osuosl.org, dev@...nvswitch.org,
        x86@...nel.org, llvm@...ts.linux.dev,
        linux-hardening@...r.kernel.org
Subject: Re: [PATCH 10/12] iwlwifi: Track scan_cmd allocation size explicitly

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

> In preparation for reducing the use of ksize(), explicitly track the
> size of scan_cmd allocations. This also allows for noticing if the scan
> size changes unexpectedly. Note that using ksize() was already incorrect
> here, in the sense that ksize() would not match the actual allocation
> size, which would trigger future run-time allocation bounds checking.
> (In other words, memset() may know how large scan_cmd was allocated for,
> but ksize() will return the upper bounds of the actually allocated memory,
> causing a run-time warning about an overflow.)
>
> Cc: Gregory Greenman <gregory.greenman@...el.com>
> Cc: Kalle Valo <kvalo@...nel.org>
> Cc: Johannes Berg <johannes.berg@...el.com>
> Cc: linux-wireless@...r.kernel.org
> Cc: netdev@...r.kernel.org
> Signed-off-by: Kees Cook <keescook@...omium.org>

Via which tree is this iwlwifi patch going? Normally via wireless-next
or something else?

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

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