netdev - Re: [PATCH net v2] ipv6: fix a BUG in rt6_get_pcpu_route() under PREEMPT

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: <20251222121639.3953ea08@gandalf.local.home>
Date: Mon, 22 Dec 2025 12:16:39 -0500
From: Steven Rostedt <rostedt@...dmis.org>
To: Eric Dumazet <edumazet@...gle.com>
Cc: Jiayuan Chen <jiayuan.chen@...ux.dev>, netdev@...r.kernel.org,
 syzbot+9b35e9bc0951140d13e6@...kaller.appspotmail.com, "David S. Miller"
 <davem@...emloft.net>, David Ahern <dsahern@...nel.org>, Jakub Kicinski
 <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, Simon Horman
 <horms@...nel.org>, Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
 Clark Williams <clrkwllms@...nel.org>, linux-kernel@...r.kernel.org,
 linux-rt-devel@...ts.linux.dev
Subject: Re: [PATCH net v2] ipv6: fix a BUG in rt6_get_pcpu_route() under
 PREEMPT_RT

On Mon, 22 Dec 2025 09:50:58 +0100
Eric Dumazet <edumazet@...gle.com> wrote:

> > Link: https://syzkaller.appspot.com/bug?extid=9b35e9bc0951140d13e6
> > Fixes: 951f788a80ff ("ipv6: fix a BUG in rt6_get_pcpu_route()")  
> 
> I would rather find when PREEMPT_RT was added/enabled, there is no
> point blaming such an old commit
> which was correct at the time, and forcing pointless backports to old
> linux kernels.

Ack!

-- Steve