linux-kernel - Re: Closing on the CR2 leak bug

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]

Date:	Tue, 4 Mar 2014 19:00:05 -0500
From:	Steven Rostedt <rostedt@...dmis.org>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	Vince Weaver <vincent.weaver@...ne.edu>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Paul Mackerras <paulus@...ba.org>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	Seiji Aguchi <seiji.aguchi@....com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Closing on the CR2 leak bug

On Tue, 04 Mar 2014 15:44:26 -0800
"H. Peter Anvin" <hpa@...or.com> wrote:

> On 03/04/2014 03:41 PM, Steven Rostedt wrote:
> > 
> > The only other issue is if perf traces from function context and traces
> > the trace_do_page_fault() call. But other than that, sure, take Jiri's
> > patch.
> > 
> 
> Is there a known codepath on which that can happen?

I'm not sure. Jiri, is there a way we can trace userspace from
the ftrace function event? What would be the command to try? I know you
had a patch to prevent it, but is it currently possible?

-- Steve
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/