linux-kernel - Re: [PATCH 01/10] perf,x86: Fix event/group validation

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: <20150521145331.GV3644@twins.programming.kicks-ass.net>
Date:	Thu, 21 May 2015 16:53:31 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	mingo@...nel.org
Cc:	vincent.weaver@...ne.edu, eranian@...gle.com, jolsa@...hat.com,
	kan.liang@...el.com, linux-kernel@...r.kernel.org,
	Andrew Hunter <ahh@...gle.com>,
	Maria Dimakopoulou <maria.n.dimakopoulou@...il.com>
Subject: Re: [PATCH 01/10] perf,x86: Fix event/group validation

On Thu, May 21, 2015 at 01:17:11PM +0200, Peter Zijlstra wrote:
> --- a/arch/x86/kernel/cpu/perf_event_intel_ds.c
> +++ b/arch/x86/kernel/cpu/perf_event_intel_ds.c
> @@ -706,9 +706,9 @@ void intel_pmu_pebs_disable(struct perf_
>  
>  	cpuc->pebs_enabled &= ~(1ULL << hwc->idx);
>  
> -	if (event->hw.constraint->flags & PERF_X86_EVENT_PEBS_LDLAT)
> +	if (event->hw.flags & PERF_X86_EVENT_PEBS_LDLAT)
>  		cpuc->pebs_enabled &= ~(1ULL << (hwc->idx + 32));
> -	else if (event->hw.constraint->flags & PERF_X86_EVENT_PEBS_ST)
> +	else if (event->hw.flags & PERF_X86_EVENT_PEBS_ST)
>  		cpuc->pebs_enabled &= ~(1ULL << 63);
>  
>  	if (cpuc->enabled)

This btw look like an independent bug.
--
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/