From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jakub Kicinski Subject: new kmemleak reports (was: Re: [PATCH 0/5] genetlink improvements) Date: Tue, 1 Nov 2016 17:28:40 +0000 Message-ID: <20161101172840.6d7d6278@jkicinski-Precision-T1700> References: <1477312805-7110-1-git-send-email-johannes@sipsolutions.net> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org To: Johannes Berg , Dmitry Torokhov , Maciej =?UTF-8?B?xbtlbmN6eWtvd3NraQ==?= Return-path: Received: from mx4.wp.pl ([212.77.101.12]:16682 "EHLO mx4.wp.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751317AbcKAR2t (ORCPT ); Tue, 1 Nov 2016 13:28:49 -0400 In-Reply-To: <1477312805-7110-1-git-send-email-johannes@sipsolutions.net> Sender: netdev-owner@vger.kernel.org List-ID: Hi Johannes! Could these be related to your set? Perhaps some annotation missing? :) They are present on net-next but not on 4fe77d82ef80 ("skbedit: allow the user to specify bitmask for mark"). unreferenced object 0xffff8807396a0348 (size 64): comm "swapper/0", pid 1, jiffies 4294898458 (age 781.352s) hex dump (first 32 bytes): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk backtrace: [] kmemleak_alloc+0x28/0x50 [] __kmalloc+0x206/0x5a0 [] genl_register_family+0x711/0x11d0 [] genl_init+0x11/0x43 [] do_one_initcall+0xb7/0x2a0 [] kernel_init_freeable+0x597/0x636 [] kernel_init+0x13/0x140 [] ret_from_fork+0x2a/0x40 [] 0xffffffffffffffff unreferenced object 0xffff8807389cba28 (size 128): comm "swapper/0", pid 1, jiffies 4294898463 (age 781.332s) hex dump (first 32 bytes): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk backtrace: [] kmemleak_alloc+0x28/0x50 [] __kmalloc+0x206/0x5a0 [] genl_register_family+0x711/0x11d0 [] netlbl_mgmt_genl_init+0x10/0x12 [] netlbl_netlink_init+0x9/0x26 [] netlbl_init+0x4f/0x85 [] do_one_initcall+0xb7/0x2a0 [] kernel_init_freeable+0x597/0x636 [] kernel_init+0x13/0x140 [] ret_from_fork+0x2a/0x40 [] 0xffffffffffffffff unreferenced object 0xffff8807389c8f08 (size 128): comm "swapper/0", pid 1, jiffies 4294898463 (age 781.332s) hex dump (first 32 bytes): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk backtrace: [] kmemleak_alloc+0x28/0x50 [] __kmalloc+0x206/0x5a0 [] genl_register_family+0x711/0x11d0 [] netlbl_cipsov4_genl_init+0x10/0x12 [] netlbl_netlink_init+0x12/0x26 [] netlbl_init+0x4f/0x85 [] do_one_initcall+0xb7/0x2a0 [] kernel_init_freeable+0x597/0x636 [] kernel_init+0x13/0x140 [] ret_from_fork+0x2a/0x40 [] 0xffffffffffffffff unreferenced object 0xffff88072dd23b08 (size 32): comm "swapper/0", pid 1, jiffies 4294898463 (age 781.348s) hex dump (first 32 bytes): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b a5 kkkkkkkkkkkkkkk. backtrace: [] kmemleak_alloc+0x28/0x50 [] __kmalloc+0x206/0x5a0 [] genl_register_family+0x711/0x11d0 [] netlbl_calipso_genl_init+0x10/0x12 [] netlbl_netlink_init+0x1b/0x26 [] netlbl_init+0x4f/0x85 [] do_one_initcall+0xb7/0x2a0 [] kernel_init_freeable+0x597/0x636 [] kernel_init+0x13/0x140 [] ret_from_fork+0x2a/0x40 [] 0xffffffffffffffff unreferenced object 0xffff8807396a0828 (size 64): comm "swapper/0", pid 1, jiffies 4294898463 (age 781.348s) hex dump (first 32 bytes): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk backtrace: [] kmemleak_alloc+0x28/0x50 [] __kmalloc+0x206/0x5a0 [] genl_register_family+0x711/0x11d0 [] netlbl_unlabel_genl_init+0x10/0x12 [] netlbl_netlink_init+0x24/0x26 [] netlbl_init+0x4f/0x85 [] do_one_initcall+0xb7/0x2a0 [] kernel_init_freeable+0x597/0x636 [] kernel_init+0x13/0x140 [] ret_from_fork+0x2a/0x40 [] 0xffffffffffffffff unreferenced object 0xffff880711df5ba8 (size 64): comm "swapper/0", pid 1, jiffies 4294898511 (age 781.160s) hex dump (first 32 bytes): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk backtrace: [] kmemleak_alloc+0x28/0x50 [] __kmalloc+0x206/0x5a0 [] genl_register_family+0x711/0x11d0 [] quota_init+0x10/0x24 [] do_one_initcall+0xb7/0x2a0 [] kernel_init_freeable+0x597/0x636 [] kernel_init+0x13/0x140 [] ret_from_fork+0x2a/0x40 [] 0xffffffffffffffff unreferenced object 0xffff88072dc3e2e8 (size 16): comm "swapper/0", pid 1, jiffies 4294898513 (age 781.152s) hex dump (first 16 bytes): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b a5 kkkkkkkkkkkkkkk. backtrace: [] kmemleak_alloc+0x28/0x50 [] __kmalloc+0x206/0x5a0 [] genl_register_family+0x711/0x11d0 [] acpi_event_init+0x4a/0x5e [] do_one_initcall+0xb7/0x2a0 [] kernel_init_freeable+0x597/0x636 [] kernel_init+0x13/0x140 [] ret_from_fork+0x2a/0x40 [] 0xffffffffffffffff unreferenced object 0xffff880713975598 (size 16): comm "swapper/0", pid 1, jiffies 4294898569 (age 780.932s) hex dump (first 16 bytes): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b a5 kkkkkkkkkkkkkkk. backtrace: [] kmemleak_alloc+0x28/0x50 [] __kmalloc+0x206/0x5a0 [] genl_register_family+0x711/0x11d0 [] thermal_init+0x4f/0xdf [] do_one_initcall+0xb7/0x2a0 [] kernel_init_freeable+0x597/0x636 [] kernel_init+0x13/0x140 [] ret_from_fork+0x2a/0x40 [] 0xffffffffffffffff unreferenced object 0xffff880715f52d08 (size 128): comm "swapper/0", pid 1, jiffies 4294898660 (age 780.584s) hex dump (first 32 bytes): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk backtrace: [] kmemleak_alloc+0x28/0x50 [] __kmalloc+0x206/0x5a0 [] genl_register_family+0x711/0x11d0 [] tcp_metrics_init+0x31/0x48 [] tcp_init+0x5af/0x5e1 [] inet_init+0x216/0x34b [] do_one_initcall+0xb7/0x2a0 [] kernel_init_freeable+0x597/0x636 [] kernel_init+0x13/0x140 [] ret_from_fork+0x2a/0x40 [] 0xffffffffffffffff unreferenced object 0xffff8806fdc3eac8 (size 256): comm "swapper/0", pid 1, jiffies 4294900250 (age 774.292s) hex dump (first 32 bytes): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk backtrace: [] kmemleak_alloc+0x28/0x50 [] __kmalloc+0x206/0x5a0 [] genl_register_family+0x711/0x11d0 [] devlink_module_init+0x10/0x12 [] do_one_initcall+0xb7/0x2a0 [] kernel_init_freeable+0x597/0x636 [] kernel_init+0x13/0x140 [] ret_from_fork+0x2a/0x40 [] 0xffffffffffffffff unreferenced object 0xffff8806fdff51e8 (size 64): comm "swapper/0", pid 1, jiffies 4294900263 (age 774.240s) hex dump (first 32 bytes): 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk backtrace: [] kmemleak_alloc+0x28/0x50 [] __kmalloc+0x206/0x5a0 [] genl_register_family+0x711/0x11d0 [] taskstats_init+0x11/0x37 [] do_one_initcall+0xb7/0x2a0 [] kernel_init_freeable+0x597/0x636 [] kernel_init+0x13/0x140 [] ret_from_fork+0x2a/0x40 [] 0xffffffffffffffff BTW this one is also relatively new (not present before 4.9-rc1 but present on 4fe77d82ef80 already). Not sure which commit could have added that: unreferenced object 0xffff8807383bfd48 (size 96): comm "swapper/0", pid 1, jiffies 4294894636 (age 278.320s) hex dump (first 32 bytes): a0 b4 b0 ba ff ff ff ff 00 00 00 00 01 00 00 00 ................ 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [] kmemleak_alloc+0x28/0x50 [] __kmalloc+0x206/0x5a0 [] __register_sysctl_table+0xb3/0x1130 [] register_sysctl+0x1b/0x20 [] user_namespace_sysctl_init+0x17/0x4c [] do_one_initcall+0xb7/0x2a0 [] kernel_init_freeable+0x597/0x636 [] kernel_init+0x13/0x140 [] ret_from_fork+0x2a/0x40 [] 0xffffffffffffffff