From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:50108) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fzOhN-0003uI-MD for qemu-devel@nongnu.org; Mon, 10 Sep 2018 12:06:06 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fzOXj-0007fe-EH for qemu-devel@nongnu.org; Mon, 10 Sep 2018 11:56:09 -0400 References: <20180910092924.23403-1-berto@igalia.com> <20180910095748.GD4901@dhcp-200-186.str.redhat.com> From: Eric Blake Message-ID: <7d9487b1-53d6-547b-8c28-f9a1fad4991b@redhat.com> Date: Mon, 10 Sep 2018 10:55:15 -0500 MIME-Version: 1.0 In-Reply-To: <20180910095748.GD4901@dhcp-200-186.str.redhat.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH] qemu-iotests: Test snapshot=on with nonexistent TMPDIR List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Kevin Wolf , Alberto Garcia Cc: qemu-devel@nongnu.org, qemu-block@nongnu.org On 9/10/18 4:57 AM, Kevin Wolf wrote: > Am 10.09.2018 um 11:29 hat Alberto Garcia geschrieben: >> We just fixed a bug that was causing a use-after-free when QEMU was >> unable to create a temporary snapshot. This is a test case for this >> scenario. >> >> Signed-off-by: Alberto Garcia > > Hm, it actually doesn't crash for me even without the fix. Anyway, I > don't have a good idea to make it more likely to crash and it's > certainly better than nothing. Does running the test under valgrind reliably see the use-after-free? -- Eric Blake, Principal Software Engineer Red Hat, Inc. +1-919-301-3266 Virtualization: qemu.org | libvirt.org