Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751132AbaLQBKK (ORCPT ); Tue, 16 Dec 2014 20:10:10 -0500 Received: from omr1.cc.vt.edu ([198.82.141.52]:56081 "EHLO omr1.cc.vt.edu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750810AbaLQBKI (ORCPT ); Tue, 16 Dec 2014 20:10:08 -0500 X-Mailer: exmh version 2.8.0 04/21/2012 with nmh-1.6+dev To: Paul Moore , Eric Paris Cc: linux-kernel@vger.kernel.org, selinux@tycho.nsa.gov Subject: linux-next 20141216 BUG: sleeping function called from invalid context at mm/slab.c:2849 From: Valdis Kletnieks Mime-Version: 1.0 Content-Type: multipart/signed; boundary="==_Exmh_1418778594_1890P"; micalg=pgp-sha1; protocol="application/pgp-signature" Content-Transfer-Encoding: 7bit Date: Tue, 16 Dec 2014 20:09:54 -0500 Message-ID: <2966.1418778594@turing-police.cc.vt.edu> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --==_Exmh_1418778594_1890P Content-Type: text/plain; charset=us-ascii Not sure who's to blame here, but I'm tending towards selinux based on who was holding the locks... Spotted these two while booting single-user on 20141216. 20141208 doesn't throw these, so it's something in the last week or so.. Tossed it twice - once for /sbin/sulogin, and then a second time for /bin/bash. [ 34.061285] BUG: sleeping function called from invalid context at mm/slab.c:2849 [ 34.062863] in_atomic(): 1, irqs_disabled(): 0, pid: 885, name: sulogin [ 34.064416] 2 locks held by sulogin/885: [ 34.064418] #0: (&sig->cred_guard_mutex){+.+.+.}, at: [] prepare_bprm_creds+0x28/0x8b [ 34.064428] #1: (tty_files_lock){+.+.+.}, at: [] selinux_bprm_committing_creds+0x55/0x22b [ 34.064438] CPU: 1 PID: 885 Comm: sulogin Not tainted 3.18.0-next-20141216 #30 [ 34.064440] Hardware name: Dell Inc. Latitude E6530/07Y85M, BIOS A15 06/20/2014 [ 34.064442] ffff880223744f10 ffff88022410f9b8 ffffffff916ba529 0000000000000375 [ 34.064447] ffff880223744f10 ffff88022410f9e8 ffffffff91063185 0000000000000006 [ 34.064452] 0000000000000000 0000000000000000 0000000000000000 ffff88022410fa38 [ 34.064457] Call Trace: [ 34.064463] [] dump_stack+0x50/0xa8 [ 34.064467] [] ___might_sleep+0x1b6/0x1be [ 34.064472] [] __might_sleep+0x119/0x128 [ 34.064477] [] cache_alloc_debugcheck_before.isra.45+0x1d/0x1f [ 34.064480] [] kmem_cache_alloc+0x43/0x1c9 [ 34.064484] [] __alloc_skb+0x42/0x1a3 [ 34.064488] [] skb_copy+0x3e/0xa3 [ 34.064492] [] audit_log_end+0x83/0x100 [ 34.064496] [] ? avc_audit_pre_callback+0x103/0x103 [ 34.064500] [] common_lsm_audit+0x441/0x450 [ 34.064503] [] slow_avc_audit+0x63/0x67 [ 34.064506] [] avc_has_perm+0xca/0xe3 [ 34.064510] [] inode_has_perm+0x5a/0x65 [ 34.064514] [] selinux_bprm_committing_creds+0x98/0x22b [ 34.064519] [] security_bprm_committing_creds+0xe/0x10 [ 34.064522] [] install_exec_creds+0xe/0x79 [ 34.064527] [] load_elf_binary+0xe36/0x10d7 [ 34.064542] [] search_binary_handler+0x81/0x18c [ 34.064545] [] do_execveat_common.isra.31+0x4e3/0x7b7 [ 34.064548] [] do_execve+0x1f/0x21 [ 34.064552] [] SyS_execve+0x25/0x29 [ 34.064557] [] stub_execve+0x69/0xa0 [ 48.826654] BUG: sleeping function called from invalid context at mm/slab.c:2849 [ 48.829282] in_atomic(): 1, irqs_disabled(): 0, pid: 885, name: bash [ 48.829284] 2 locks held by bash/885: [ 48.829297] #0: (&sig->cred_guard_mutex){+.+.+.}, at: [] prepare_bprm_creds+0x28/0x8b [ 48.829307] #1: (&(&newf->file_lock)->rlock){+.+.+.}, at: [] iterate_fd+0x34/0x11c [ 48.829310] CPU: 3 PID: 885 Comm: bash Not tainted 3.18.0-next-20141216 #30 [ 48.829311] Hardware name: Dell Inc. Latitude E6530/07Y85M, BIOS A15 06/20/2014 [ 48.829317] ffff880223744f10 ffff88022410f928 ffffffff916ba529 0000000000000375 [ 48.829321] ffff880223744f10 ffff88022410f958 ffffffff91063185 0000000000000002 [ 48.829325] 0000000000000000 0000000000000000 0000000000000000 ffff88022410f9a8 [ 48.829327] Call Trace: [ 48.829333] [] dump_stack+0x50/0xa8 [ 48.829338] [] ___might_sleep+0x1b6/0x1be [ 48.829341] [] __might_sleep+0x119/0x128 [ 48.829347] [] cache_alloc_debugcheck_before.isra.45+0x1d/0x1f [ 48.829350] [] kmem_cache_alloc+0x43/0x1c9 [ 48.829356] [] __alloc_skb+0x42/0x1a3 [ 48.829360] [] skb_copy+0x3e/0xa3 [ 48.829367] [] audit_log_end+0x83/0x100 [ 48.829372] [] ? avc_audit_pre_callback+0x103/0x103 [ 48.829377] [] common_lsm_audit+0x441/0x450 [ 48.829381] [] slow_avc_audit+0x63/0x67 [ 48.829386] [] avc_has_perm+0xca/0xe3 [ 48.829391] [] ? selinux_file_permission+0x9b/0x9b [ 48.829395] [] file_has_perm+0x6d/0x7c [ 48.829400] [] match_file+0x2e/0x3b [ 48.829404] [] iterate_fd+0xf4/0x11c [ 48.829409] [] selinux_bprm_committing_creds+0xd0/0x22b [ 48.829415] [] security_bprm_committing_creds+0xe/0x10 [ 48.829419] [] install_exec_creds+0xe/0x79 [ 48.829426] [] load_elf_binary+0xe36/0x10d7 [ 48.829431] [] search_binary_handler+0x81/0x18c [ 48.829435] [] do_execveat_common.isra.31+0x4e3/0x7b7 [ 48.829462] [] do_execve+0x1f/0x21 [ 48.829466] [] SyS_execve+0x25/0x29 [ 48.829472] [] stub_execve+0x69/0xa0 --==_Exmh_1418778594_1890P Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 Comment: Exmh version 2.5 07/13/2001 iQIVAwUBVJDX4QdmEQWDXROgAQLDXhAAhDZ1wF2LTuxfdT5uRcSKkabb/KD326KM Quch1470E7LSRrs7CVOflyx1JLmk40qDXIW9w4CzJ0WtzdKdH47HaCnHBkdxR1j7 gZG3KJk8XwkHS+1QO2j5DlJ7IJN+kjTGFrmtK79bxHzqdbdqJXN6A8x/g3gu7E/2 wK9cuQEJh0PwShhyJcQMCMyadN2Px4ZTfidBK5tInoAA5ANZKMTG0jUTB4ZHLFme 2nqXI/BoZkaqCS5SrCqiVojCsxzMtNiZLiweL/XsT2MbaNsRmIjnjlyizXOkg5te wIlC00TJCIAFvBkiLv9Hcu15q7MGv3Tg9stQ4ANxcLD/6C/uRGugtiBmzhGqcpcR 9+bZuJwG8BHg26s5sayODb4WyNgnEPp+UwWbpTP07TMZFX91QEaNltTcQsdcjHEo dA+++X1ng5aeHF+hJu5ZxofuqeyU0+WE44sOD7HcLGs1UCYX+IkpowG5LClw+URZ Jiidda/CESH0VRTkPe/JrsHVoEfwVX0nF8Z8QvtsnrG717Wa3qujUhfopGn6ILkJ uHgmg1tZ2Otbm56A0C+I6zxZ5/xTkTatXKV5sUVtv5MCWJ2Yz/AK3TFH5AGfOU2s G7f4gIlUhv+6iTFRt7/C9fgatYeLe5liVOsS9+EirAgCcrqLD8iNSggkMYcyknvr zFfFNdcMyQI= =hs2E -----END PGP SIGNATURE----- --==_Exmh_1418778594_1890P-- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/