From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752538Ab1JLHJq (ORCPT ); Wed, 12 Oct 2011 03:09:46 -0400 Received: from mx3.mail.elte.hu ([157.181.1.138]:57645 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752216Ab1JLHJo (ORCPT ); Wed, 12 Oct 2011 03:09:44 -0400 Date: Wed, 12 Oct 2011 09:08:08 +0200 From: Ingo Molnar To: Steven Rostedt Cc: linux-kernel@vger.kernel.org, Andrew Morton , Thomas Gleixner , Frederic Weisbecker , Masami Hiramatsu Subject: Re: [PATCH 0/2] [GIT PULL][v3.1] kprobes: can cause perf to crash the system Message-ID: <20111012070808.GD18618@elte.hu> References: <20111010191706.044816068@goodmis.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20111010191706.044816068@goodmis.org> User-Agent: Mutt/1.5.21 (2010-09-15) X-ELTE-SpamScore: -2.0 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-2.0 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.3.1 -2.0 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Steven Rostedt wrote: > > Ingo, > > I tested and verified that the commends that Masami has shown will > crash the system. These patches do fix the problem. > > I also verified that the same commands will crash 2.6.39 and have included > stable in the Cc of the commits. > > -- Steve > > Please pull the latest tip/perf/urgent tree, which can be found at: > > git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace.git > tip/perf/urgent > > Head SHA1: 44a56040a0037a845d5fa218dffde464579f0cab > > > Masami Hiramatsu (2): > ftrace/kprobes: Fix not to delete probes if in use > perf probe: Fix to show correct error string > > ---- > kernel/trace/trace_kprobe.c | 58 ++++++++++++++++++++++++++++++++++------ > tools/perf/util/probe-event.c | 4 ++- > 2 files changed, 52 insertions(+), 10 deletions(-) Pulled, thanks a lot guys! Ingo