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Date: Mon, 4 Aug 2014 21:28:45 -0400 From: Dave Jones <davej@...hat.com> To: Chris Mason <clm@...com> Cc: Linux Kernel <linux-kernel@...r.kernel.org> Subject: btrfs extents related oops. 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: [<ffffffffa67e717a>] dump_stack+0x4e/0x7a [<ffffffffa6078f4d>] warn_slowpath_common+0x7d/0xa0 [<ffffffffa6078fcc>] warn_slowpath_fmt+0x5c/0x80 [<ffffffffc04c2b64>] ? __set_extent_bit+0xd4/0x670 [btrfs] [<ffffffffc04c28b1>] insert_state+0x131/0x150 [btrfs] [<ffffffffc04c2c22>] __set_extent_bit+0x192/0x670 [btrfs] [<ffffffffa60b8b7b>] ? preempt_count_sub+0xab/0x100 [<ffffffffc04c3fc4>] lock_extent_bits+0x94/0x320 [btrfs] [<ffffffffc04b66ee>] ? btrfs_file_llseek+0x4e/0x2b0 [btrfs] [<ffffffffc04b678f>] btrfs_file_llseek+0xef/0x2b0 [btrfs] [<ffffffffa6207b14>] compat_SyS_lseek+0x94/0xc0 [<ffffffffa67f5059>] ia32_do_call+0x13/0x13 ---[ end trace f8236b601b8385e5 ]--- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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