linux-kernel - Re: [PATCH 0/6] A few cpuidle vs rcu fixes

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: <Y9D2/TcAJUPVWasU@hirez.programming.kicks-ass.net>
Date:   Wed, 25 Jan 2023 10:31:41 +0100
From:   Peter Zijlstra <peterz@...radead.org>
To:     Mark Rutland <mark.rutland@....com>
Cc:     mingo@...nel.org, will@...nel.org, boqun.feng@...il.com,
        tglx@...utronix.de, bp@...en8.de, dave.hansen@...ux.intel.com,
        x86@...nel.org, hpa@...or.com, seanjc@...gle.com,
        pbonzini@...hat.com, jgross@...e.com, srivatsa@...il.mit.edu,
        amakhalov@...are.com, pv-drivers@...are.com, rostedt@...dmis.org,
        mhiramat@...nel.org, wanpengli@...cent.com, vkuznets@...hat.com,
        boris.ostrovsky@...cle.com, rafael@...nel.org,
        daniel.lezcano@...aro.org, juri.lelli@...hat.com,
        vincent.guittot@...aro.org, dietmar.eggemann@....com,
        bsegall@...gle.com, mgorman@...e.de, bristot@...hat.com,
        vschneid@...hat.com, linux-kernel@...r.kernel.org,
        kvm@...r.kernel.org, virtualization@...ts.linux-foundation.org,
        linux-trace-kernel@...r.kernel.org, linux-pm@...r.kernel.org
Subject: Re: [PATCH 0/6] A few cpuidle vs rcu fixes

On Tue, Jan 24, 2023 at 04:34:23PM +0000, Mark Rutland wrote:
> Hi Peter,
> 
> On Mon, Jan 23, 2023 at 09:50:09PM +0100, Peter Zijlstra wrote:
> > 0-day robot reported graph-tracing made the cpuidle-vs-rcu rework go splat.
> 
> Do you have a link toe the splat somewhere?
> 
> I'm assuming that this is partially generic, and I'd like to make sure I test
> the right thing on arm64. I'll throw my usual lockdep options at the ftrace
> selftests...

0-day triggered this by running tools/testing/selftests/ftrace/ftracetest,
which is what I've been using to reproduce.

If that don't work for you I can try and dig out the 0day email to see
if it has more details on.