From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935463Ab1ETRTR (ORCPT ); Fri, 20 May 2011 13:19:17 -0400 Received: from hrndva-omtalb.mail.rr.com ([71.74.56.125]:51202 "EHLO hrndva-omtalb.mail.rr.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S935236Ab1ETRTQ (ORCPT ); Fri, 20 May 2011 13:19:16 -0400 X-Authority-Analysis: v=1.1 cv=y6zMVzRGPZqd+EkIbWgKRW0ZY5+85Abqc3bXR1aXymM= c=1 sm=0 a=TwWXrjo8ZJIA:10 a=5SG0PmZfjMsA:10 a=Q9fys5e9bTEA:10 a=OPBmh+XkhLl+Enan7BmTLg==:17 a=tslaVK8-jnGl-umQihYA:9 a=PUjeQqilurYA:10 a=_RhRFcbxBZMA:10 a=OPBmh+XkhLl+Enan7BmTLg==:117 X-Cloudmark-Score: 0 X-Originating-IP: 67.242.120.143 Subject: Re: kernel 2.6.39 (user mode linux) crashes (2.6.38 works fine) From: Steven Rostedt To: richard -rw- weinberger Cc: Toralf =?ISO-8859-1?Q?F=F6rster?= , LKML , user-mode-linux-devel@lists.sourceforge.net In-Reply-To: References: <201105191526.31904.toralf.foerster@gmx.de> <201105200937.15322.toralf.foerster@gmx.de> <201105201042.15410.toralf.foerster@gmx.de> Content-Type: text/plain; charset="ISO-8859-15" Date: Fri, 20 May 2011 13:19:13 -0400 Message-ID: <1305911953.1465.29.camel@gandalf.stny.rr.com> Mime-Version: 1.0 X-Mailer: Evolution 2.32.2 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2011-05-20 at 18:24 +0200, richard -rw- weinberger wrote: > 2011/5/20 Toralf Förster : > > > Here in futex_wake() happens a NULL pointer dereference. > Steve, any ideas? > Yes, if this is from the bisect, and does not contain the two commits that I've posted in another email. Without those fixes, the futex code will error and return without doing the proper work and cause all sorts of bugs. -- Steve