linux-hardening - Re: [PATCH][next] treewide: uapi: Replace zero-length arrays with flexible-array members

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20220628141823.GB25163@embeddedor>
Date:   Tue, 28 Jun 2022 16:18:23 +0200
From:   "Gustavo A. R. Silva" <gustavoars@...nel.org>
To:     Stephen Hemminger <stephen@...workplumber.org>
Cc:     Kees Cook <keescook@...omium.org>, linux-kernel@...r.kernel.org,
        x86@...nel.org, dm-devel@...hat.com,
        linux-m68k@...ts.linux-m68k.org, linux-mips@...r.kernel.org,
        linux-s390@...r.kernel.org, kvm@...r.kernel.org,
        intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        netdev@...r.kernel.org, bpf@...r.kernel.org,
        linux-btrfs@...r.kernel.org, linux-can@...r.kernel.org,
        linux-fsdevel@...r.kernel.org,
        linux1394-devel@...ts.sourceforge.net, io-uring@...r.kernel.org,
        lvs-devel@...r.kernel.org, linux-mtd@...ts.infradead.org,
        kasan-dev@...glegroups.com, linux-mmc@...r.kernel.org,
        nvdimm@...ts.linux.dev, netfilter-devel@...r.kernel.org,
        coreteam@...filter.org, linux-perf-users@...r.kernel.org,
        linux-raid@...r.kernel.org, linux-sctp@...r.kernel.org,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org, linux-scsi@...r.kernel.org,
        target-devel@...r.kernel.org, linux-usb@...r.kernel.org,
        virtualization@...ts.linux-foundation.org,
        v9fs-developer@...ts.sourceforge.net, linux-rdma@...r.kernel.org,
        alsa-devel@...a-project.org, linux-hardening@...r.kernel.org
Subject: Re: [PATCH][next] treewide: uapi: Replace zero-length arrays with
 flexible-array members

On Mon, Jun 27, 2022 at 12:53:43PM -0700, Stephen Hemminger wrote:
> Thanks this fixes warning with gcc-12 in iproute2.
> In function ‘xfrm_algo_parse’,
>     inlined from ‘xfrm_state_modify.constprop’ at xfrm_state.c:573:5:
> xfrm_state.c:162:32: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
>   162 |                         buf[j] = val;
>       |                         ~~~~~~~^~~~~

Great! This gives me hope. :)

Thanks
--
Gustavo