From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753997AbYIWTcw (ORCPT ); Tue, 23 Sep 2008 15:32:52 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752160AbYIWTco (ORCPT ); Tue, 23 Sep 2008 15:32:44 -0400 Received: from main.gmane.org ([80.91.229.2]:58318 "EHLO ciao.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751662AbYIWTco (ORCPT ); Tue, 23 Sep 2008 15:32:44 -0400 X-Injected-Via-Gmane: http://gmane.org/ To: linux-kernel@vger.kernel.org From: Sitsofe Wheeler Subject: [kmemcheck] read from uninitialized memory by netlink_broadcast? Date: Tue, 23 Sep 2008 20:32:41 +0100 Message-ID: <48D94459.7010501@yahoo.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Complaints-To: usenet@ger.gmane.org Cc: vegard.nossum@gmail.com X-Gmane-NNTP-Posting-Host: 87.112.14.28.plusnet.ptn-ag1.dyn.plus.net User-Agent: Thunderbird 2.0.0.16 (Macintosh/20080707) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org While testing today's linux-tip I received a kmemcheck warning. Is this a spurious or already known report? [ 14.183601] kmemcheck: Caught 32-bit read from uninitialized memory (f7021f14) [ 14.183601] 0100000000000000000000000000000000000000000000000000000000000000 [ 14.185062] i i i i i i i i i i i i i i i i i i i i u u u u u u u u u u u u [ 14.186453] ^ [ 14.186528] [ 14.186595] Pid: 3, comm: ksoftirqd/0 Not tainted (2.6.27-rc7-tipskw-00756-g6522eab #6) 900 [ 14.186701] EIP: 0060:[] EFLAGS: 00000282 CPU: 0 [ 14.186787] EIP is at pskb_expand_head+0x9f/0x160 [ 14.186861] EAX: 00000080 EBX: f72c96c0 ECX: 00000036 EDX: f727f200 [ 14.186927] ESI: f7021f14 EDI: f727f294 EBP: f7099eb4 ESP: c0543a88 [ 14.187006] DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068 [ 14.187083] CR0: 8005003b CR2: f7305700 CR3: 00534000 CR4: 000006d0 [ 14.187162] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000 [ 14.187241] DR6: ffff4ff0 DR7: 00000400 [ 14.187312] [] netlink_broadcast+0x68/0x370 [ 14.187432] [] genl_ctrl_event+0x30f/0x330 [ 14.187548] [] genl_register_mc_group+0xe6/0x140 [ 14.187666] [] genl_init+0x9f/0xe0 [ 14.187781] [] _stext+0x2f/0x160 [ 14.187893] [] kernel_init+0xc3/0x1a0 [ 14.187997] [] kernel_thread_helper+0x7/0x10 [ 14.188114] [] 0xffffffff -- Sitsofe | http://sucs.org/~sits/