netdev - Re: [PATCH v5] net: ip, diag -- Add diag interface for raw sockets

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: <1475070591.28155.103.camel@edumazet-glaptop3.roam.corp.google.com>
Date:   Wed, 28 Sep 2016 06:49:51 -0700
From:   Eric Dumazet <eric.dumazet@...il.com>
To:     Cyrill Gorcunov <gorcunov@...il.com>
Cc:     Jamal Hadi Salim <jhs@...atatu.com>,
        David Ahern <dsa@...ulusnetworks.com>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, David Miller <davem@...emloft.net>,
        kuznet@....inr.ac.ru, jmorris@...ei.org, yoshfuji@...ux-ipv6.org,
        kaber@...sh.net, avagin@...nvz.org, stephen@...workplumber.org
Subject: Re: [PATCH v5] net: ip, diag -- Add diag interface for raw sockets

On Wed, 2016-09-28 at 16:43 +0300, Cyrill Gorcunov wrote:
> On Wed, Sep 28, 2016 at 06:29:08AM -0700, Eric Dumazet wrote:
> > > 
> > > Oh, crap :( I've been looking into uapi headers, found that we
> > > use anonymous unions (for example include/uapi/linux/bcache.h)
> > > and thought it will be safe (and my test builds didn't fail).
> > > Are you happen to know which gcc versions cant do that?
> > 
> > The most recent example I have in mind is a kbuild bot report on the
> > recent TCP BBR patches. We had to rework the patch to avoid the problem.
> > 
> > If I remember well, this was a gcc-4.7, but not on x86.
> 
> 4.7 is pretty widespread, so I've to think...

Sorry, 4.4.7 it was

https://www.mail-archive.com/netdev@vger.kernel.org/msg128714.html