From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: qemu-kvm segfaults in qemu_del_timer (0.10.5 and 0.10.6) Date: Thu, 13 Aug 2009 15:58:08 +0300 Message-ID: <4A840DE0.2060202@redhat.com> References: <20090812150159.GW5348@arachsys.com> <4A82E200.3040107@redhat.com> <20090812162401.GB8115@arachsys.com> <20090813122333.GA2863@arachsys.com> <4A840A3E.1040400@redhat.com> <20090813124350.GA21678@arachsys.com> <20090813124546.GB21678@arachsys.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: kvm@vger.kernel.org, qemu-devel@nongnu.org To: Chris Webb Return-path: Received: from mx2.redhat.com ([66.187.237.31]:49005 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751948AbZHMM6P (ORCPT ); Thu, 13 Aug 2009 08:58:15 -0400 In-Reply-To: <20090813124546.GB21678@arachsys.com> Sender: kvm-owner@vger.kernel.org List-ID: On 08/13/2009 03:45 PM, Chris Webb wrote: > Chris Webb writes: > > >> Avi Kivity writes: >> >> >>> csock looks corrupted, should be -1 or an fd. Was a vnc client connected? >>> Was the guest playing with the display resolution? >>> >> Yes, I think in this case there was a vncviewer connected, and the guest had >> started booting up into windows, which changes the resolution a couple of >> times. >> > > Also, I think the vncviewer might actually have been disconnecting at about > the time the segfault happened. > > master branch has a patch that fixes a use-after-free when disconnecting. Unfortunately it doesn't port cleanly to stable-0.10. -- error compiling committee.c: too many arguments to function