Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751577Ab3JEAwV (ORCPT ); Fri, 4 Oct 2013 20:52:21 -0400 Received: from mx1.redhat.com ([209.132.183.28]:8297 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750988Ab3JEAwU (ORCPT ); Fri, 4 Oct 2013 20:52:20 -0400 Date: Fri, 4 Oct 2013 20:52:10 -0400 From: Dave Jones To: Linux Kernel Cc: Al Viro , xfs@oss.sgi.com Subject: fs/attr.c:notify_change locking warning. Message-ID: <20131005005210.GA25773@redhat.com> Mail-Followup-To: Dave Jones , Linux Kernel , Al Viro , xfs@oss.sgi.com MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2424 Lines: 40 WARNING: CPU: 3 PID: 26128 at fs/attr.c:178 notify_change+0x34d/0x360() Modules linked in: dlci 8021q garp sctp snd_seq_dummy bridge stp tun fuse rfcomm hidp ipt_ULOG nfc caif_socket caif af_802154 phonet af_rxrpc bnep bluetooth rfkill can_bcm can_raw can llc2 pppoe pppox ppp_generic slhc irda crc_ccitt rds scsi_transport_iscsi nfnetlink af_key rose x25 atm netrom appletalk ipx p8023 psnap p8022 llc ax25 coretemp hwmon x86_pkg_temp_thermal kvm_intel kvm snd_hda_codec_hdmi xfs snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm snd_page_alloc libcrc32c snd_timer crct10dif_pclmul crc32c_intel snd ghash_clmulni_intel e1000e microcode usb_debug serio_raw pcspkr ptp soundcore pps_core shpchp CPU: 3 PID: 26128 Comm: trinity-child57 Not tainted 3.12.0-rc3+ #93 ffffffff81a3e2ec ffff880071d71bb8 ffffffff8172a763 0000000000000000 ffff880071d71bf0 ffffffff810552cd 0000000000000a00 ffff88023d6e8b90 0000000000008ad0 ffff880071d71c50 ffff8802392882c8 ffff880071d71c00 Call Trace: [] dump_stack+0x4e/0x82 [] warn_slowpath_common+0x7d/0xa0 [] warn_slowpath_null+0x1a/0x20 [] notify_change+0x34d/0x360 [] file_remove_suid+0x87/0xa0 [] ? __mnt_drop_write+0x29/0x50 [] ? __mnt_drop_write_file+0x12/0x20 [] ? file_update_time+0x8a/0xd0 [] xfs_file_aio_write_checks+0xea/0xf0 [xfs] [] xfs_file_dio_aio_write+0xd0/0x3e0 [xfs] [] xfs_file_aio_write+0x129/0x130 [xfs] [] do_sync_readv_writev+0x4c/0x80 [] do_readv_writev+0xbb/0x240 [] ? xfs_file_buffered_aio_write+0x2a0/0x2a0 [xfs] [] ? do_sync_read+0x90/0x90 [] ? _raw_spin_unlock+0x31/0x60 [] ? trace_hardirqs_on_caller+0x16/0x1e0 [] vfs_writev+0x38/0x60 [] SyS_writev+0x50/0xd0 [] tracesys+0xdd/0xe2 ---[ end trace 201843ae71ab5a7c ]--- 177 178 WARN_ON_ONCE(!mutex_is_locked(&inode->i_mutex)); 179 -- 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/