From: David Ahern <dsahern@kernel.org>
To: zhanggenjian <zhanggenjian123@gmail.com>,
pabeni@redhat.com, edumazet@google.com, davem@davemloft.net,
yoshfuji@linux-ipv6.org, kuba@kernel.org
Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, huhai@kylinos.cn
Subject: Re: [PATCH v2] net: ipv4: Avoid bounds check warning
Date: Mon, 30 May 2022 10:10:11 -0600 [thread overview]
Message-ID: <928aa148-e666-783b-dbd4-9ea3172efafb@kernel.org> (raw)
In-Reply-To: <20220526101213.2392980-1-zhanggenjian@kylinos.cn>
On 5/26/22 4:12 AM, zhanggenjian wrote:
> From: huhai <huhai@kylinos.cn>
>
> Fix the following build warning when CONFIG_IPV6 is not set:
>
> In function ‘fortify_memcpy_chk’,
> inlined from ‘tcp_md5_do_add’ at net/ipv4/tcp_ipv4.c:1210:2:
> ./include/linux/fortify-string.h:328:4: error: call to ‘__write_overflow_field’ declared with attribute warning: detected write beyond size of field (1st parameter); maybe use struct_group()? [-Werror=attribute-warning]
> 328 | __write_overflow_field(p_size_field, size);
> | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
> Suggested-by: Paolo Abeni <pabeni@redhat.com>
> Signed-off-by: huhai <huhai@kylinos.cn>
> ---
> net/ipv4/tcp_ipv4.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
Reviewed-by: David Ahern <dsahern@kernel.org>
next prev parent reply other threads:[~2022-05-30 16:10 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-26 10:12 [PATCH v2] net: ipv4: Avoid bounds check warning zhanggenjian
2022-05-30 16:10 ` David Ahern [this message]
2022-05-31 4:40 ` patchwork-bot+netdevbpf
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=928aa148-e666-783b-dbd4-9ea3172efafb@kernel.org \
--to=dsahern@kernel.org \
--cc=davem@davemloft.net \
--cc=edumazet@google.com \
--cc=huhai@kylinos.cn \
--cc=kuba@kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=netdev@vger.kernel.org \
--cc=pabeni@redhat.com \
--cc=yoshfuji@linux-ipv6.org \
--cc=zhanggenjian123@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).