From: Filipe Manana <fdmanana@gmail.com>
To: Qu Wenruo <quwenruo.btrfs@gmx.com>
Cc: David Sterba <dsterba@suse.com>,
linux-btrfs <linux-btrfs@vger.kernel.org>,
Filipe Manana <FdManana@suse.com>
Subject: Re: Bug 5.7-rc: write-time leaf corruption detected
Date: Wed, 13 May 2020 10:25:34 +0100 [thread overview]
Message-ID: <CAL3q7H4MwRbyOHSYXvJxBT4uMbtJjRp-GH7TzKG2MitK8Z3nWA@mail.gmail.com> (raw)
In-Reply-To: <bc41c365-56db-046c-c41f-e39a205e2012@gmx.com>
On Wed, May 13, 2020 at 4:12 AM Qu Wenruo <quwenruo.btrfs@gmx.com> wrote:
>
>
>
> On 2020/5/12 下午10:15, David Sterba wrote:
> > Happened once in a VM, defaul mkfs/mount options.
>
> It looks like it's pretty hard to reproduce.
>
> >
> > generic/457 [05:40:52][17606.984360] run fstests generic/457 at 2020-05-04 05:40:52
> > [17607.625840] BTRFS: device fsid ae51523a-71e7-4730-9097-faeca36779be devid 1 transid 5 /dev/vdb scanned by mkfs.btrfs (27036)
> > [17607.664903] BTRFS info (device vdb): disk space caching is enabled
> > [17607.667422] BTRFS info (device vdb): has skinny extents
> > [17607.669552] BTRFS info (device vdb): flagging fs with big metadata feature
> > [17607.681613] BTRFS info (device vdb): checking UUID tree
> > [17607.921588] BTRFS: device fsid 16238d8a-1af3-4fa1-b3bc-fd6f04469192 devid 1 transid 5 /dev/mapper/logwrites-test scanned by mkfs.btrfs (27101)
> > [17607.948085] BTRFS info (device dm-0): turning on sync discard
> > [17607.952647] BTRFS info (device dm-0): disk space caching is enabled
> > [17607.955088] BTRFS info (device dm-0): has skinny extents
> > [17607.956924] BTRFS info (device dm-0): flagging fs with big metadata feature
> > [17607.966128] BTRFS info (device dm-0): checking UUID tree
> > [17608.092098] BTRFS critical (device dm-0): corrupt leaf: root=18446744073709551610 block=30949376 slot=104, csum end range (13807616) goes beyond the start range (13717504) of the next csum item
> > [17608.098129] BTRFS info (device dm-0): leaf 30949376 gen 6 total ptrs 121 free space 6325 owner 18446744073709551610
> > [17608.102727] BTRFS info (device dm-0): refs 2 lock (w:0 r:0 bw:0 br:0 sw:0 sr:0) lock_owner 0 current 27162
> > [17608.106426] item 0 key (257 1 0) itemoff 16123 itemsize 160
>
> Since we have 257 INODE_ITEM here, I guess that's all the log tree have.
>
> And surprisingly, the csum range around 1371000 doesn't even get
> referred in this log tree.
>
> Filipe, any idea on how this could happen?
Yes, and I replied yesterday:
https://lore.kernel.org/linux-btrfs/CAL3q7H4EwU9ZwKxXuZmSpVVPmUMvaCX3peizROX4Obr0xug0pw@mail.gmail.com/
>
> Thanks,
> Qu
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> > [17608.616992] item 110 key (18446744073709551606 128 14123008) itemoff 9778 itemsize 4
> > [17608.619523] item 111 key (18446744073709551606 128 14135296) itemoff 9710 itemsize 68
> > [17608.622144] item 112 key (18446744073709551606 128 14209024) itemoff 9706 itemsize 4
> > [17608.624841] item 113 key (18446744073709551606 128 14217216) itemoff 9538 itemsize 168
> > [17608.627409] item 114 key (18446744073709551606 128 14471168) itemoff 9530 itemsize 8
> > [17608.630034] item 115 key (18446744073709551606 128 14479360) itemoff 9510 itemsize 20
> > [17608.632681] item 116 key (18446744073709551606 128 14499840) itemoff 9498 itemsize 12
> > [17608.635448] item 117 key (18446744073709551606 128 14524416) itemoff 9394 itemsize 104
> > [17608.638122] item 118 key (18446744073709551606 128 14700544) itemoff 9382 itemsize 12
> > [17608.640633] item 119 key (18446744073709551606 128 14712832) itemoff 9370 itemsize 12
> > [17608.643227] item 120 key (18446744073709551606 128 14737408) itemoff 9350 itemsize 20
> > [17608.645834] BTRFS error (device dm-0): block=30949376 write time tree block corruption detected
> > [17608.648714] ------------[ cut here ]------------
> > [17608.650272] WARNING: CPU: 2 PID: 27162 at fs/btrfs/disk-io.c:537 btree_csum_one_bio+0x297/0x2a0 [btrfs]
> > [17608.652972] Modules linked in: dm_snapshot dm_thin_pool dm_persistent_data dm_bio_prison dm_bufio dm_log_writes dm_flakey dm_mod dax btrfs blake2b_generic libcrc32c crc32c_intel xor zstd_decompress zstd_compress xxhash lzo_compress lzo_decompress raid6_pq loop [last unloaded: scsi_debug]
> > [17608.660683] CPU: 2 PID: 27162 Comm: fsx Tainted: G L 5.7.0-rc3-default+ #1094
> > [17608.663520] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.12.0-59-gc9ba527-rebuilt.opensuse.org 04/01/2014
> > [17608.667102] RIP: 0010:btree_csum_one_bio+0x297/0x2a0 [btrfs]
> > [17608.668919] Code: bc fd ff ff e8 aa e7 f0 c2 31 f6 48 89 3c 24 e8 ff 7b ff ff 48 8b 3c 24 48 c7 c6 78 75 25 c0 48 8b 17 4c 89 e7 e8 84 bc 0b 00 <0f> 0b e9 8f fd ff ff 66 90 0f 1f 44 00 00 48 89 f7 e9 53 fd ff ff
> > [17608.674610] RSP: 0018:ffffafbb81e978b8 EFLAGS: 00010292
> > [17608.676299] RAX: 0000000000000000 RBX: ffff94287f810f00 RCX: 0000000000000001
> > [17608.678260] RDX: 0000000000000000 RSI: ffffffff83109fc2 RDI: ffffffff8310a096
> > [17608.680484] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
> > [17608.682645] R10: 0000000000000000 R11: 0000000000008ca0 R12: ffff94285f298000
> > [17608.684681] R13: ffff94274100bd30 R14: 0000000000000000 R15: 00000000ffffff8b
> > [17608.686659] FS: 00007f3479617b80(0000) GS:ffff94287ba00000(0000) knlGS:0000000000000000
> > [17608.689240] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> > [17608.691150] CR2: 0000000000466000 CR3: 000000010227f001 CR4: 0000000000160ee0
> > [17608.693354] Call Trace:
> > [17608.694341] btree_submit_bio_hook+0x74/0xc0 [btrfs]
> > [17608.696162] submit_one_bio+0x2b/0x40 [btrfs]
> > [17608.698391] btree_write_cache_pages+0x373/0x440 [btrfs]
> > [17608.700085] ? lock_acquire+0xa3/0x400
> > [17608.701257] ? __filemap_fdatawrite_range+0xad/0x110
> > [17608.702736] do_writepages+0x40/0xe0
> > [17608.703953] ? do_raw_spin_unlock+0x4b/0xc0
> > [17608.705290] ? _raw_spin_unlock+0x1f/0x30
> > [17608.706571] ? wbc_attach_and_unlock_inode+0x194/0x2a0
> > [17608.708167] __filemap_fdatawrite_range+0xce/0x110
> > [17608.709679] btrfs_write_marked_extents+0x68/0x160 [btrfs]
> > [17608.711384] btrfs_sync_log+0x1a8/0xd40 [btrfs]
> > [17608.712892] ? btrfs_log_inode+0x370/0xe20 [btrfs]
> > [17608.714459] ? lock_acquire+0xa3/0x400
> > [17608.715803] ? lockref_put_or_lock+0x9/0x30
> > [17608.717115] ? dput+0x20/0x490
> > [17608.718172] ? dput+0x20/0x490
> > [17608.719271] ? do_raw_spin_unlock+0x4b/0xc0
> > [17608.720639] ? _raw_spin_unlock+0x1f/0x30
> > [17608.722002] btrfs_sync_file+0x335/0x490 [btrfs]
> > [17608.723610] __x64_sys_msync+0x19e/0x200
> > [17608.724924] do_syscall_64+0x50/0x210
> > [17608.726143] entry_SYSCALL_64_after_hwframe+0x49/0xb3
> > [17608.727719] RIP: 0033:0x7f34797f2743
> > [17608.729030] Code: 64 89 02 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 1a 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 89 54 24 1c 48
> > [17608.734572] RSP: 002b:00007ffe84f11858 EFLAGS: 00000246 ORIG_RAX: 000000000000001a
> > [17608.736913] RAX: ffffffffffffffda RBX: 00000000000008c8 RCX: 00007f34797f2743
> > [17608.738902] RDX: 0000000000000004 RSI: 000000000000293f RDI: 00007f3479814000
> > [17608.740949] RBP: 00000000000278c8 R08: 000000000000001f R09: 00007f3479814900
> > [17608.742896] R10: fffffffffffffd0c R11: 0000000000000246 R12: 0000000000002077
> > [17608.744810] R13: 000000000000293f R14: 00007f3479814000 R15: 0000000000000000
> > [17608.746764] irq event stamp: 0
> > [17608.747948] hardirqs last enabled at (0): [<0000000000000000>] 0x0
> > [17608.749754] hardirqs last disabled at (0): [<ffffffff83081b0b>] copy_process+0x67b/0x1b00
> > [17608.752428] softirqs last enabled at (0): [<ffffffff83081b0b>] copy_process+0x67b/0x1b00
> > [17608.754935] softirqs last disabled at (0): [<0000000000000000>] 0x0
> > [17608.756871] ---[ end trace ddba49bd36651725 ]---
> > [17608.758590] BTRFS: error (device dm-0) in btrfs_sync_log:3089: errno=-5 IO failure
> >
>
--
Filipe David Manana,
“Whether you think you can, or you think you can't — you're right.”
next prev parent reply other threads:[~2020-05-13 9:25 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-12 14:12 Pending bugs for 5.7 David Sterba
2020-05-12 14:14 ` Bug 5.7-rc: root leak, eb leak David Sterba
2020-05-12 23:03 ` David Sterba
2020-05-13 11:54 ` Johannes Thumshirn
2020-05-13 11:57 ` Qu Wenruo
2020-05-13 12:06 ` Johannes Thumshirn
2020-05-13 12:11 ` Qu Wenruo
2020-05-13 12:17 ` Johannes Thumshirn
2020-05-13 12:29 ` Johannes Thumshirn
2020-05-12 14:15 ` Bug 5.7-rc: write-time leaf corruption detected David Sterba
2020-05-12 14:26 ` Filipe Manana
2020-05-13 3:10 ` Qu Wenruo
2020-05-13 3:17 ` Qu Wenruo
2020-05-13 9:25 ` Filipe Manana [this message]
2020-05-19 14:26 ` Bug 5.7-rc: write-time leaf corruption detected (fixed) David Sterba
2020-05-12 14:15 ` Bug 5.7-rc: lockdep warning, chunk_mutex/device_list_mutex David Sterba
2020-05-12 23:28 ` David Sterba
2020-05-12 19:25 ` Anand Jain
2020-05-13 19:46 ` [PATCH] btrfs: fix lockdep warning chunk_mutex vs device_list_mutex Anand Jain
2020-05-15 17:40 ` David Sterba
2020-05-16 3:43 ` Anand Jain
2020-05-18 11:07 ` Anand Jain
2020-05-18 15:28 ` David Sterba
2020-05-12 14:15 ` Bug 5.7-rc: lockdep warning, fs_reclaim David Sterba
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