From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1JmVuh-00058Z-O1 for qemu-devel@nongnu.org; Thu, 17 Apr 2008 11:20:39 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1JmVug-00057d-62 for qemu-devel@nongnu.org; Thu, 17 Apr 2008 11:20:39 -0400 Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1JmVuf-00057X-Md for qemu-devel@nongnu.org; Thu, 17 Apr 2008 11:20:37 -0400 Received: from borg.org ([64.105.205.123] helo=mail.borg.org) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1JmVuf-0001EN-6J for qemu-devel@nongnu.org; Thu, 17 Apr 2008 11:20:37 -0400 Received: from mail.borg.org (localhost [127.0.0.1]) by mail.borg.org (Postfix) with ESMTP id DACE0209F9C for ; Thu, 17 Apr 2008 11:20:31 -0400 (EDT) Received: from [10.0.4.76] (206.83.81.34.ptr.us.xo.net [206.83.81.34]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: kentborg) by mail.borg.org (Postfix) with ESMTP for ; Thu, 17 Apr 2008 11:20:31 -0400 (EDT) Message-ID: <48076ABF.9040503@borg.org> Date: Thu, 17 Apr 2008 11:20:31 -0400 From: Kent Borg MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: [Qemu-devel] Crash when dereferencing -1 Reply-To: qemu-devel@nongnu.org List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Running 0.9.0 on Ubuntu 7.04 host, a Ubuntu 7.04 guest crashes when I dereference -1. This also happens on a Windows XP host running the precompiled Qemu 0.9.1. Both with kqemu. #include main() { int *foo = -1; printf("hello, world %d\n", *foo); } -kb