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Date:   Thu, 26 Aug 2021 08:39:47 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Vincent MAILHOL <mailhol.vincent@...adoo.fr>
CC:     open list <linux-kernel@...r.kernel.org>,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>,
        Arnd Bergmann <arnd@...db.de>,
        Ayush Sawal <ayush.sawal@...lsio.com>,
        Vinay Kumar Yadav <vinay.yadav@...lsio.com>,
        Rohit Maheshwari <rohitm@...lsio.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>,
        Kalle Valo <kvalo@...eaurora.org>,
        Jakub Kicinski <kuba@...nel.org>,
        Stanislaw Gruszka <stf_xl@...pl>,
        Luca Coelho <luciano.coelho@...el.com>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Andrii Nakryiko <andrii@...nel.org>,
        Martin KaFai Lau <kafai@...com>,
        Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>,
        John Fastabend <john.fastabend@...il.com>,
        KP Singh <kpsingh@...nel.org>,
        Johannes Berg <johannes.berg@...el.com>,
        Mordechay Goodstein <mordechay.goodstein@...el.com>,
        Lee Jones <lee.jones@...aro.org>,
        Wolfgang Grandegger <wg@...ndegger.com>,
        Marc Kleine-Budde <mkl@...gutronix.de>,
        Arunachalam Santhanam <arunachalam.santhanam@...bosch.com>,
        Mikulas Patocka <mikulas@...ax.karlin.mff.cuni.cz>,
        linux-crypto@...r.kernel.org, ath10k@...ts.infradead.org,
        linux-wireless@...r.kernel.org, netdev <netdev@...r.kernel.org>,
        linux-scsi@...r.kernel.org, linux-can <linux-can@...r.kernel.org>,
        bpf@...r.kernel.org, Rasmus Villemoes <linux@...musvillemoes.dk>,
        Keith Packard <keithp@...thp.com>,
        Dan Williams <dan.j.williams@...el.com>,
        Daniel Vetter <daniel.vetter@...ll.ch>,
        clang-built-linux@...glegroups.com, linux-hardening@...r.kernel.org
Subject: Re: [PATCH v2 2/5] treewide: Replace open-coded flex arrays in unions



On August 26, 2021 12:36:27 AM PDT, Vincent MAILHOL <mailhol.vincent@...adoo.fr> wrote:
>On Thu. 26 Aug 2021 at 14:04, Kees Cook <keescook@...omium.org> wrote:
>> In support of enabling -Warray-bounds and -Wzero-length-bounds and
>> correctly handling run-time memcpy() bounds checking, replace all
>> open-coded flexible arrays (i.e. 0-element arrays) in unions with the
>> flex_array() helper macro.
>
>Nitpick: the commit description says flex_array() but the code is
>actually DECLARE_FLEX_ARRAY() or __DECLARE_FLEX_ARRAY().

Ah yes, thanks! I had renamed the macro but missed these references. Now fixed!

-Kees

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