From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753332AbaHEB2z (ORCPT ); Mon, 4 Aug 2014 21:28:55 -0400 Received: from mx1.redhat.com ([209.132.183.28]:32211 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752723AbaHEB2x (ORCPT ); Mon, 4 Aug 2014 21:28:53 -0400 Date: Mon, 4 Aug 2014 21:28:45 -0400 From: Dave Jones To: Chris Mason Cc: Linux Kernel Subject: btrfs extents related oops. Message-ID: <20140805012845.GA7836@redhat.com> Mail-Followup-To: Dave Jones , Chris Mason , Linux Kernel MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Possibly related to some changes I've been making to my fuzz tester today to operate on the same file from multiple threads. This was on v3.16-829-g98959948a7ba, but probably exists on earlier trees too given the lack of btrfs specific commits so far this merge window. BTRFS: __set_extent_bit: ino 138120 isize 12041673 odd range [18446744069414584347,18446744069414588442] BTRFS: clear_extent_bit: ino 138120 isize 12041673 odd range [18446744069414584347,18446744069414588442] BTRFS: __set_extent_bit: ino 138120 isize 1297036692924383232 odd range [18446744073441116159,18446744073441120254] BTRFS: clear_extent_bit: ino 138120 isize 1297036692924383232 odd range [18446744073441116159,18446744073441120254] BTRFS: __set_extent_bit: ino 138122 isize 1044 odd range [18446744073575325309,18446744073575329404] BTRFS: clear_extent_bit: ino 138122 isize 1044 odd range [18446744073575325309,18446744073575329404] ------------[ cut here ]------------ WARNING: CPU: 0 PID: 3881 at fs/btrfs/extent_io.c:430 insert_state+0x131/0x150 [btrfs]() BTRFS: end < start 4094 18446744073709551615 Modules linked in: llc2 af_key ipt_ULOG sctp libcrc32c can_bcm scsi_transport_iscsi nfc caif_socket caif af_802154 ieee802154 phonet af_rxrpc bluetooth 6lowpan_iphc can_raw can pppoe pppox ppp_generic slhc irda crc_ccitt rds rose x25 atm netrom appletalk ipx p8023 psnap p8022 llc ax25 cfg80211 rfkill coretemp hwmon x86_pkg_temp_thermal kvm_intel kvm btrfs xor crct10dif_pclmul snd_hda_codec_realtek crc32c_intel snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_intel snd_hda_controller ghash_clmulni_intel snd_hda_codec snd_hwdep snd_seq snd_seq_device snd_pcm raid6_pq microcode snd_timer snd serio_raw usb_debug pcspkr soundcore shpchp e1000e ptp pps_core CPU: 0 PID: 3881 Comm: trinity-c118 Not tainted 3.16.0+ #32 0000000000000009 0000000011a27d09 ffff8800991c3c90 ffffffffa67e717a ffff8800991c3cd8 ffff8800991c3cc8 ffffffffa6078f4d 0000000000000ffe ffff88006ca6bd88 ffff8802252980c8 ffffffffffffffff ffff8800991c3dd8 Call Trace: [] dump_stack+0x4e/0x7a [] warn_slowpath_common+0x7d/0xa0 [] warn_slowpath_fmt+0x5c/0x80 [] ? __set_extent_bit+0xd4/0x670 [btrfs] [] insert_state+0x131/0x150 [btrfs] [] __set_extent_bit+0x192/0x670 [btrfs] [] ? preempt_count_sub+0xab/0x100 [] lock_extent_bits+0x94/0x320 [btrfs] [] ? btrfs_file_llseek+0x4e/0x2b0 [btrfs] [] btrfs_file_llseek+0xef/0x2b0 [btrfs] [] compat_SyS_lseek+0x94/0xc0 [] ia32_do_call+0x13/0x13 ---[ end trace f8236b601b8385e5 ]---