linux-kernel - Re: x86_64 Question: Are concurrent IPI requests safe?

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: <20160511174630.GI3192@twins.programming.kicks-ass.net>
Date:	Wed, 11 May 2016 19:46:30 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>
Cc:	tglx@...utronix.de, mingo@...nel.org, akpm@...ux-foundation.org,
	mgorman@...hsingularity.net, mhocko@...nel.org,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: x86_64 Question: Are concurrent IPI requests safe?

On Thu, May 12, 2016 at 12:19:07AM +0900, Tetsuo Handa wrote:
> Well, I came to feel that this is caused by down_write_killable() bug.
> I guess we should fix down_write_killable() bug first.

There's a patch you can try in that thread...

  lkml.kernel.org/r/20160511094128.GB3190@...ns.programming.kicks-ass.net