From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753058Ab3ABQoa (ORCPT ); Wed, 2 Jan 2013 11:44:30 -0500 Received: from nm26-vm0.access.bullet.mail.mud.yahoo.com ([66.94.236.225]:40694 "EHLO nm26-vm0.access.bullet.mail.mud.yahoo.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752991Ab3ABQo0 (ORCPT ); Wed, 2 Jan 2013 11:44:26 -0500 X-Greylist: delayed 404 seconds by postgrey-1.27 at vger.kernel.org; Wed, 02 Jan 2013 11:44:26 EST X-Yahoo-Newman-Id: 470458.98386.bm@smtp106.biz.mail.bf1.yahoo.com X-Yahoo-Newman-Property: ymail-3 X-YMail-OSG: LRwiUxEVM1mGhIYsFwkxexhWMo7BQHJBoDP6wC6O3BayWVT m7.0k22o6YKn9mBnHVlmprvJPJ.9jtSwTZYt6PMsQ5wNnSlbeyrdr801xdng sbBbXOER.5U_uZrnEcI5XQ9FRywXX1i.WNh9v8n_GBWodrcI22yKh8w.x1eD cn8zl_NJ.6pfvkt6hqQMPsViyzK9FJg1W2JLUigc.VmhFjHTN1gsamBBLIlL r7takYDpvmldLx0pJlCYO.D3WPyDcBdWV1jRQtd.Uj6Iz9JL.E6uc9jGlBZd UAWfLHRng_UKQj.OoSeUA14fbCquk.mlMNtIoBq8bgpul4MLDIdOXgnc9R0x OMPZ4iYpunEsyJEyvSPOdeBzOFskGcKgkI3cn4_f.vdiI1JbLWdKB6gAzcID i2btHuZUMFNkH_sPVfvuiCV.2HoNMlHb65ukwUJrS33N9ZiqfdPUCkbJ1yz0 kfKzPj_FvFvoNmwoH7mfIhw31sdTJlR2z.JzgI3qbwOxHDnmhT5trpYHnoV7 66o4h5_F5w03kHTvAB_wnYA-- X-Yahoo-SMTP: OIJXglSswBDfgLtXluJ6wiAYv6_cnw-- Message-ID: <50E46262.1050906@schaufler-ca.com> Date: Wed, 02 Jan 2013 08:37:54 -0800 From: Casey Schaufler User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:17.0) Gecko/17.0 Thunderbird/17.0 MIME-Version: 1.0 To: Dave Jones , Linux Kernel , viro@zeniv.linux.org.uk, SE Linux , LSM Subject: Re: order 4 alloc failures in security_context_to_sid_core References: <20130102153501.GB25940@redhat.com> In-Reply-To: <20130102153501.GB25940@redhat.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 1/2/2013 7:35 AM, Dave Jones wrote: > Along the same lines as 779302e67835fe9a6b74327e54969ba59cb3478a, xattrs > can cause big allocations, which are likely to fail under memory pressure.. Adding LSM and SELinux lists. > [20539.081122] trinity-child3: page allocation failure: order:4, mode:0x1040d0 > [20539.090405] Pid: 27617, comm: trinity-child3 Not tainted 3.8.0-rc1+ #43 > [20539.097883] Call Trace: > [20539.105032] [] warn_alloc_failed+0xec/0x140 > [20539.112549] [] ? trace_hardirqs_on+0xd/0x10 > [20539.119609] [] ? on_each_cpu_mask+0x70/0xd0 > [20539.127089] [] __alloc_pages_nodemask+0x91e/0xba0 > [20539.134380] [] alloc_pages_current+0xb8/0x180 > [20539.141803] [] __get_free_pages+0x2a/0x80 > [20539.149513] [] kmalloc_order_trace+0x3e/0x1a0 > [20539.157553] [] ? native_sched_clock+0x26/0x90 > [20539.164898] [] __kmalloc+0x2f5/0x3a0 > [20539.172288] [] security_context_to_sid_core+0x86/0x280 > [20539.179909] [] ? __const_udelay+0x28/0x30 > [20539.187356] [] ? avc_has_perm_flags+0x178/0x2b0 > [20539.194911] [] ? avc_has_perm_flags+0x29/0x2b0 > [20539.202883] [] ? get_lock_stats+0x22/0x70 > [20539.211117] [] security_context_to_sid+0x19/0x20 > [20539.218729] [] selinux_inode_setxattr+0xf0/0x220 > [20539.226502] [] ? vfs_setxattr+0x71/0xc0 > [20539.233517] [] ? vfs_setxattr+0x71/0xc0 > [20539.240734] [] security_inode_setxattr+0x20/0x30 > [20539.248184] [] vfs_setxattr+0x86/0xc0 > [20539.255357] [] setxattr+0x12e/0x1d0 > [20539.262691] [] ? __percpu_counter_add+0x75/0xc0 > [20539.270289] [] ? __sb_start_write+0x103/0x1c0 > [20539.277927] [] ? mnt_want_write_file+0x28/0x60 > [20539.285396] [] ? do_setitimer+0x1c4/0x300 > [20539.292986] [] ? mnt_want_write_file+0x28/0x60 > [20539.300219] [] ? __mnt_want_write+0x62/0xa0 > [20539.307259] [] sys_fsetxattr+0xbe/0xf0 > [20539.314184] [] system_call_fastpath+0x16/0x1b > > > Dave > > -- > 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/ >