netdev - Re: [PATCH net-next 3/3] selftests/net: expand cmsg_ip with MSG

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] [day] [month] [year] [list]

Message-ID: <CANn89iK2ovQh8OBf8Okkun85zsAzjXy19WgED9KTjwj+Hyw_EA@mail.gmail.com>
Date: Fri, 7 Mar 2025 11:10:18 +0100
From: Eric Dumazet <edumazet@...gle.com>
To: Willem de Bruijn <willemdebruijn.kernel@...il.com>
Cc: netdev@...r.kernel.org, davem@...emloft.net, kuba@...nel.org, 
	pabeni@...hat.com, dsahern@...nel.org, horms@...nel.org, 
	Willem de Bruijn <willemb@...gle.com>
Subject: Re: [PATCH net-next 3/3] selftests/net: expand cmsg_ip with MSG_MORE

On Fri, Mar 7, 2025 at 4:36 AM Willem de Bruijn
<willemdebruijn.kernel@...il.com> wrote:
>
> From: Willem de Bruijn <willemb@...gle.com>
>
> UDP send with MSG_MORE takes a slightly different path than the
> lockless fast path.
>
> For completeness, add coverage to this case too.
>
> Pass MSG_MORE on the initial sendmsg, then follow up with a zero byte
> write to unplug the cork.
>
> Unrelated: also add two missing endlines in usage().
>
> Signed-off-by: Willem de Bruijn <willemb@...gle.com>

Reviewed-by: Eric Dumazet <edumazet@...gle.com>