From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx1.redhat.com ([209.132.183.28]:39187 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753269AbaCDP4C (ORCPT ); Tue, 4 Mar 2014 10:56:02 -0500 Message-ID: <5315F785.4050602@redhat.com> Date: Tue, 04 Mar 2014 16:55:49 +0100 From: Daniel Borkmann MIME-Version: 1.0 To: Jeff Kirsher CC: Jesse Brandeburg , Bjorn Helgaas , linux-pci@vger.kernel.org, e1000-devel@lists.sourceforge.net Subject: kmemleak through e1000? Content-Type: text/plain; charset=ISO-8859-1; format=flowed Sender: linux-pci-owner@vger.kernel.org List-ID: Hi all, I'm not very familiar with the e1000 code, but on the latest net.git kernel I get reliably the following (not sure if it's actually caused by e1000 though): unreferenced object 0xffff8800361a7d80 (size 32): comm "systemd-udevd", pid 246, jiffies 4294677997 (age 1117.522s) hex dump (first 32 bytes): 60 7d 1a 36 00 88 ff ff 24 01 00 00 00 00 00 00 `}.6....$....... f0 aa 35 81 ff ff ff ff 00 00 00 00 00 00 00 00 ..5............. backtrace: [] kmemleak_alloc+0x4e/0xb0 [] kmem_cache_alloc_trace+0xd7/0x220 [] populate_msi_sysfs+0x128/0x220 [] pci_enable_msi_block+0x1b8/0x2c0 [] e1000e_set_interrupt_capability+0x41/0x120 [e1000e] [] e1000_probe+0x3a7/0xe20 [e1000e] [] local_pci_probe+0x45/0xa0 [] pci_device_probe+0xd9/0x130 [] driver_probe_device+0x87/0x390 [] __driver_attach+0x93/0xa0 [] bus_for_each_dev+0x63/0xa0 [] driver_attach+0x1e/0x20 [] bus_add_driver+0x180/0x250 [] driver_register+0x64/0xf0 [] __pci_register_driver+0x4b/0x50 [] iptable_filter_hook+0x41/0x70 [iptable_filter] unreferenced object 0xffff8800c4ac1920 (size 32): comm "NetworkManager", pid 409, jiffies 4294693366 (age 1102.161s) hex dump (first 32 bytes): 34 34 00 c4 00 88 ff ff 00 00 00 00 00 00 00 00 44.............. 00 00 00 00 00 00 00 00 6f 2e 32 00 00 00 00 00 ........o.2..... backtrace: [] kmemleak_alloc+0x4e/0xb0 [] kmem_cache_alloc_trace+0xd7/0x220 [] populate_msi_sysfs+0x10f/0x220 [] pci_enable_msi_block+0x1b8/0x2c0 [] e1000_open+0x225/0x5b0 [e1000e] [] __dev_open+0xbf/0x140 [] __dev_change_flags+0x9d/0x170 [] dev_change_flags+0x29/0x60 [] do_setlink+0x312/0x9e0 [] rtnl_newlink+0x508/0x710 [] rtnetlink_rcv_msg+0x99/0x260 [] netlink_rcv_skb+0xa9/0xc0 [] rtnetlink_rcv+0x28/0x30 [] netlink_unicast+0x168/0x250 [] netlink_sendmsg+0x2e1/0x3f0 [] sock_sendmsg+0x8b/0xc0 unreferenced object 0xffff8800c4ac17a0 (size 32): comm "NetworkManager", pid 409, jiffies 4294693366 (age 1102.161s) hex dump (first 32 bytes): 20 19 ac c4 00 88 ff ff 24 01 00 00 00 00 00 00 .......$....... f0 aa 35 81 ff ff ff ff 00 00 00 00 00 00 00 00 ..5............. backtrace: [] kmemleak_alloc+0x4e/0xb0 [] kmem_cache_alloc_trace+0xd7/0x220 [] populate_msi_sysfs+0x128/0x220 [] pci_enable_msi_block+0x1b8/0x2c0 [] e1000_open+0x225/0x5b0 [e1000e] [] __dev_open+0xbf/0x140 [] __dev_change_flags+0x9d/0x170 [] dev_change_flags+0x29/0x60 [] do_setlink+0x312/0x9e0 [] rtnl_newlink+0x508/0x710 [] rtnetlink_rcv_msg+0x99/0x260 [] netlink_rcv_skb+0xa9/0xc0 [] rtnetlink_rcv+0x28/0x30 [] netlink_unicast+0x168/0x250 [] netlink_sendmsg+0x2e1/0x3f0 [] sock_sendmsg+0x8b/0xc0