syzbot


KASAN: use-after-free Read in iomap_finish_ioend

Status: auto-obsoleted due to no activity on 2023/08/06 06:24
Reported-by: syzbot+9724f1eb1da5337254a2@syzkaller.appspotmail.com
First crash: 593d, last: 593d
Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.1 KASAN: use-after-free Read in iomap_finish_ioend 3 138d 138d 0/3 auto-obsoleted due to no activity on 2024/10/13 23:34
upstream KASAN: slab-use-after-free Read in iomap_finish_ioend iomap 1 592d 588d 0/28 auto-obsoleted due to no activity on 2023/08/07 07:45

Sample crash report:
==================================================================
BUG: KASAN: use-after-free in iomap_finish_ioend+0x85c/0x940 fs/iomap/buffered-io.c:1065
Read of size 8 at addr ffff000133fd5bd8 by task kworker/0:7/4582

CPU: 0 PID: 4582 Comm: kworker/0:7 Not tainted 5.15.106-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
Workqueue: xfs-conv/loop1 xfs_end_io
Call trace:
 dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
 print_address_description+0x7c/0x3f0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:434 [inline]
 kasan_report+0x174/0x1e4 mm/kasan/report.c:451
 __asan_report_load8_noabort+0x44/0x50 mm/kasan/report_generic.c:309
 iomap_finish_ioend+0x85c/0x940 fs/iomap/buffered-io.c:1065
 iomap_finish_ioends+0x150/0x2a4 fs/iomap/buffered-io.c:1077
 xfs_end_ioend+0x2c4/0x53c fs/xfs/xfs_aops.c:135
 xfs_end_io+0x250/0x2d4 fs/xfs/xfs_aops.c:159
 process_one_work+0x790/0x11b8 kernel/workqueue.c:2306
 worker_thread+0x910/0x1034 kernel/workqueue.c:2453
 kthread+0x37c/0x45c kernel/kthread.c:319
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870

Allocated by task 11035:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track mm/kasan/common.c:46 [inline]
 set_alloc_info mm/kasan/common.c:434 [inline]
 __kasan_slab_alloc+0x8c/0xcc mm/kasan/common.c:467
 kasan_slab_alloc include/linux/kasan.h:254 [inline]
 slab_post_alloc_hook+0x74/0x3f4 mm/slab.h:519
 slab_alloc_node mm/slub.c:3220 [inline]
 slab_alloc mm/slub.c:3228 [inline]
 kmem_cache_alloc+0x1dc/0x45c mm/slub.c:3233
 xfs_inode_alloc+0x64/0x538 fs/xfs/xfs_icache.c:80
 xfs_iget_cache_miss fs/xfs/xfs_icache.c:596 [inline]
 xfs_iget+0xa00/0x2f24 fs/xfs/xfs_icache.c:762
 xfs_lookup+0x264/0x4b0 fs/xfs/xfs_inode.c:684
 xfs_vn_lookup+0x14c/0x244 fs/xfs/xfs_iops.c:304
 lookup_open fs/namei.c:3370 [inline]
 open_last_lookups fs/namei.c:3462 [inline]
 path_openat+0xc9c/0x26f0 fs/namei.c:3669
 do_filp_open+0x1a8/0x3b4 fs/namei.c:3699
 do_sys_openat2+0x128/0x3d8 fs/open.c:1211
 do_sys_open fs/open.c:1227 [inline]
 __do_sys_openat fs/open.c:1243 [inline]
 __se_sys_openat fs/open.c:1238 [inline]
 __arm64_sys_openat+0x1f0/0x240 fs/open.c:1238
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:596
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584

Freed by task 20:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track+0x4c/0x84 mm/kasan/common.c:46
 kasan_set_free_info+0x28/0x4c mm/kasan/generic.c:360
 ____kasan_slab_free+0x118/0x164 mm/kasan/common.c:366
 __kasan_slab_free+0x18/0x28 mm/kasan/common.c:374
 kasan_slab_free include/linux/kasan.h:230 [inline]
 slab_free_hook mm/slub.c:1705 [inline]
 slab_free_freelist_hook+0x128/0x1ec mm/slub.c:1731
 slab_free mm/slub.c:3499 [inline]
 kmem_cache_free+0xdc/0x3c4 mm/slub.c:3515
 xfs_inode_free_callback+0x218/0x240 fs/xfs/xfs_icache.c:146
 rcu_do_batch kernel/rcu/tree.c:2509 [inline]
 rcu_core+0x830/0x1b34 kernel/rcu/tree.c:2749
 rcu_core_si+0x10/0x1c kernel/rcu/tree.c:2762
 __do_softirq+0x344/0xe20 kernel/softirq.c:558

Last potentially related work creation:
 kasan_save_stack+0x38/0x68 mm/kasan/common.c:38
 kasan_record_aux_stack+0xd4/0x11c mm/kasan/generic.c:348
 __call_rcu kernel/rcu/tree.c:2993 [inline]
 call_rcu+0x118/0xb40 kernel/rcu/tree.c:3073
 __xfs_inode_free+0x194/0x240 fs/xfs/xfs_icache.c:158
 xfs_reclaim_inode fs/xfs/xfs_icache.c:955 [inline]
 xfs_icwalk_process_inode fs/xfs/xfs_icache.c:1637 [inline]
 xfs_icwalk_ag+0xf7c/0x167c fs/xfs/xfs_icache.c:1719
 xfs_icwalk fs/xfs/xfs_icache.c:1768 [inline]
 xfs_reclaim_inodes+0x1ac/0x2d0 fs/xfs/xfs_icache.c:988
 xfs_unmount_flush_inodes+0xc0/0x104 fs/xfs/xfs_mount.c:554
 xfs_unmountfs+0xc0/0x1c8 fs/xfs/xfs_mount.c:1016
 xfs_fs_put_super+0x70/0x250 fs/xfs/xfs_super.c:1090
 generic_shutdown_super+0x130/0x29c fs/super.c:475
 kill_block_super+0x70/0xdc fs/super.c:1405
 deactivate_locked_super+0xb8/0x13c fs/super.c:335
 deactivate_super+0x108/0x128 fs/super.c:366
 cleanup_mnt+0x3c0/0x474 fs/namespace.c:1143
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1150
 task_work_run+0x130/0x1e4 kernel/task_work.c:164
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 do_notify_resume+0x262c/0x32b8 arch/arm64/kernel/signal.c:946
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline]
 el0_svc+0xfc/0x1f0 arch/arm64/kernel/entry-common.c:597
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584

Second to last potentially related work creation:
 kasan_save_stack+0x38/0x68 mm/kasan/common.c:38
 kasan_record_aux_stack+0xd4/0x11c mm/kasan/generic.c:348
 insert_work+0x64/0x394 kernel/workqueue.c:1362
 __queue_work+0xb84/0x114c kernel/workqueue.c:1528
 queue_work_on+0xc4/0x17c kernel/workqueue.c:1555
 queue_work include/linux/workqueue.h:501 [inline]
 xfs_end_bio+0xe4/0x1dc fs/xfs/xfs_aops.c:173
 bio_endio+0x780/0x7c4 block/bio.c:1476
 iomap_submit_ioend fs/iomap/buffered-io.c:1176 [inline]
 iomap_writepages+0x198/0x1f4 fs/iomap/buffered-io.c:1519
 xfs_vm_writepages+0x124/0x180 fs/xfs/xfs_aops.c:488
 do_writepages+0x39c/0x5ec mm/page-writeback.c:2364
 filemap_fdatawrite_wbc+0x1c8/0x228 mm/filemap.c:400
 __filemap_fdatawrite_range mm/filemap.c:433 [inline]
 file_write_and_wait_range+0x18c/0x274 mm/filemap.c:810
 xfs_file_fsync+0x1a8/0x930 fs/xfs/xfs_file.c:182
 vfs_fsync_range+0x168/0x188 fs/sync.c:188
 generic_write_sync include/linux/fs.h:2913 [inline]
 xfs_file_buffered_write+0x998/0xb08 fs/xfs/xfs_file.c:793
 xfs_file_write_iter+0x2b4/0x604 fs/xfs/xfs_file.c:833
 do_iter_readv_writev+0x420/0x5f8
 do_iter_write+0x1b8/0x664 fs/read_write.c:855
 vfs_iter_write+0x88/0xac fs/read_write.c:896
 iter_file_splice_write+0x618/0xc48 fs/splice.c:689
 do_splice_from fs/splice.c:767 [inline]
 direct_splice_actor+0xe4/0x1c0 fs/splice.c:936
 splice_direct_to_actor+0x408/0x9a0 fs/splice.c:891
 do_splice_direct+0x1f4/0x334 fs/splice.c:979
 do_sendfile+0x4bc/0xc70 fs/read_write.c:1249
 __do_sys_sendfile64 fs/read_write.c:1317 [inline]
 __se_sys_sendfile64 fs/read_write.c:1303 [inline]
 __arm64_sys_sendfile64+0x160/0x408 fs/read_write.c:1303
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:596
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584

The buggy address belongs to the object at ffff000133fd5a00
 which belongs to the cache xfs_inode of size 1752
The buggy address is located 472 bytes inside of
 1752-byte region [ffff000133fd5a00, ffff000133fd60d8)
The buggy address belongs to the page:
page:0000000045386f18 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x173fd0
head:0000000045386f18 order:3 compound_mapcount:0 compound_pincount:0
memcg:ffff000135130201
flags: 0x5ffc00000010200(slab|head|node=0|zone=2|lastcpupid=0x7ff)
raw: 05ffc00000010200 fffffc0004ed6800 0000000200000002 ffff0000c68ba300
raw: 0000000000000000 0000000080110011 00000001ffffffff ffff000135130201
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff000133fd5a80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff000133fd5b00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff000133fd5b80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                                    ^
 ffff000133fd5c00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff000133fd5c80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
loop1: writeback error on inode 4423, offset 0, sector 8784
XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x54/0x434 fs/xfs/libxfs/xfs_alloc_btree.c:336, xfs_cntbt block 0x10 
XFS (loop0): Unmount and run xfs_repair
XFS (loop0): First 128 bytes of corrupted metadata buffer:
00000000: 41 42 33 43 00 00 00 02 ff ff ff ff ff ff ff ff  AB3C............
00000010: 00 00 00 00 00 00 00 01 00 00 00 01 00 00 00 10  ................
00000020: c4 96 e0 5e 54 0d 4c 72 b5 91 04 d7 9d 8b 4e eb  ...^T.Lr......N.
00000030: 00 00 00 00 20 bb 84 11 00 00 04 4e 00 00 00 02  .... ......N....
00000040: 00 00 04 60 00 00 0b a0 00 00 00 00 00 00 00 00  ...`............
00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x54/0x434 fs/xfs/libxfs/xfs_alloc_btree.c:336, xfs_cntbt block 0x10 
XFS (loop0): Unmount and run xfs_repair
XFS (loop0): First 128 bytes of corrupted metadata buffer:
00000000: 41 42 33 43 00 00 00 02 ff ff ff ff ff ff ff ff  AB3C............
00000010: 00 00 00 00 00 00 00 01 00 00 00 01 00 00 00 10  ................
00000020: c4 96 e0 5e 54 0d 4c 72 b5 91 04 d7 9d 8b 4e eb  ...^T.Lr......N.
00000030: 00 00 00 00 20 bb 84 11 00 00 04 4e 00 00 00 02  .... ......N....
00000040: 00 00 04 60 00 00 0b a0 00 00 00 00 00 00 00 00  ...`............
00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x54/0x434 fs/xfs/libxfs/xfs_alloc_btree.c:336, xfs_cntbt block 0x10 
XFS (loop0): Unmount and run xfs_repair
XFS (loop0): First 128 bytes of corrupted metadata buffer:
00000000: 41 42 33 43 00 00 00 02 ff ff ff ff ff ff ff ff  AB3C............
00000010: 00 00 00 00 00 00 00 01 00 00 00 01 00 00 00 10  ................
00000020: c4 96 e0 5e 54 0d 4c 72 b5 91 04 d7 9d 8b 4e eb  ...^T.Lr......N.
00000030: 00 00 00 00 20 bb 84 11 00 00 04 4e 00 00 00 02  .... ......N....
00000040: 00 00 04 60 00 00 0b a0 00 00 00 00 00 00 00 00  ...`............
00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x54/0x434 fs/xfs/libxfs/xfs_alloc_btree.c:336, xfs_cntbt block 0x10 
XFS (loop3): Unmount and run xfs_repair
XFS (loop3): First 128 bytes of corrupted metadata buffer:
00000000: 41 42 33 43 00 00 00 02 ff ff ff ff ff ff ff ff  AB3C............
00000010: 00 00 00 00 00 00 00 01 00 00 00 01 00 00 00 10  ................
00000020: c4 96 e0 5e 54 0d 4c 72 b5 91 04 d7 9d 8b 4e eb  ...^T.Lr......N.
00000030: 00 00 00 00 20 bb 84 11 00 00 04 4e 00 00 00 02  .... ......N....
00000040: 00 00 04 60 00 00 0b a0 00 00 00 00 00 00 00 00  ...`............
00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x54/0x434 fs/xfs/libxfs/xfs_alloc_btree.c:336, xfs_cntbt block 0x10 
XFS (loop0): Unmount and run xfs_repair
XFS (loop0): First 128 bytes of corrupted metadata buffer:
00000000: 41 42 33 43 00 00 00 02 ff ff ff ff ff ff ff ff  AB3C............
00000010: 00 00 00 00 00 00 00 01 00 00 00 01 00 00 00 10  ................
00000020: c4 96 e0 5e 54 0d 4c 72 b5 91 04 d7 9d 8b 4e eb  ...^T.Lr......N.
00000030: 00 00 00 00 20 bb 84 11 00 00 04 4e 00 00 00 02  .... ......N....
00000040: 00 00 04 60 00 00 0b a0 00 00 00 00 00 00 00 00  ...`............
00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x54/0x434 fs/xfs/libxfs/xfs_alloc_btree.c:336, xfs_cntbt block 0x10 
XFS (loop1): Unmount and run xfs_repair
XFS (loop1): First 128 bytes of corrupted metadata buffer:
00000000: 41 42 33 43 00 00 00 02 ff ff ff ff ff ff ff ff  AB3C............
00000010: 00 00 00 00 00 00 00 01 00 00 00 01 00 00 00 10  ................
00000020: c4 96 e0 5e 54 0d 4c 72 b5 91 04 d7 9d 8b 4e eb  ...^T.Lr......N.
00000030: 00 00 00 00 20 bb 84 11 00 00 04 4e 00 00 00 02  .... ......N....
00000040: 00 00 04 60 00 00 0b a0 00 00 00 00 00 00 00 00  ...`............
00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x54/0x434 fs/xfs/libxfs/xfs_alloc_btree.c:336, xfs_cntbt block 0x10 
XFS (loop0): Unmount and run xfs_repair
XFS (loop0): First 128 bytes of corrupted metadata buffer:
00000000: 41 42 33 43 00 00 00 02 ff ff ff ff ff ff ff ff  AB3C............
00000010: 00 00 00 00 00 00 00 01 00 00 00 01 00 00 00 10  ................
00000020: c4 96 e0 5e 54 0d 4c 72 b5 91 04 d7 9d 8b 4e eb  ...^T.Lr......N.
00000030: 00 00 00 00 20 bb 84 11 00 00 04 4e 00 00 00 02  .... ......N....
00000040: 00 00 04 60 00 00 0b a0 00 00 00 00 00 00 00 00  ...`............
00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x54/0x434 fs/xfs/libxfs/xfs_alloc_btree.c:336, xfs_cntbt block 0x10 
XFS (loop0): Unmount and run xfs_repair
XFS (loop0): First 128 bytes of corrupted metadata buffer:
00000000: 41 42 33 43 00 00 00 02 ff ff ff ff ff ff ff ff  AB3C............
00000010: 00 00 00 00 00 00 00 01 00 00 00 01 00 00 00 10  ................
00000020: c4 96 e0 5e 54 0d 4c 72 b5 91 04 d7 9d 8b 4e eb  ...^T.Lr......N.
00000030: 00 00 00 00 20 bb 84 11 00 00 04 4e 00 00 00 02  .... ......N....
00000040: 00 00 04 60 00 00 0b a0 00 00 00 00 00 00 00 00  ...`............
00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x54/0x434 fs/xfs/libxfs/xfs_alloc_btree.c:336, xfs_cntbt block 0x10 
XFS (loop1): Unmount and run xfs_repair
XFS (loop1): First 128 bytes of corrupted metadata buffer:
00000000: 41 42 33 43 00 00 00 02 ff ff ff ff ff ff ff ff  AB3C............
00000010: 00 00 00 00 00 00 00 01 00 00 00 01 00 00 00 10  ................
00000020: c4 96 e0 5e 54 0d 4c 72 b5 91 04 d7 9d 8b 4e eb  ...^T.Lr......N.
00000030: 00 00 00 00 20 bb 84 11 00 00 04 4e 00 00 00 02  .... ......N....
00000040: 00 00 04 60 00 00 0b a0 00 00 00 00 00 00 00 00  ...`............
00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x54/0x434 fs/xfs/libxfs/xfs_alloc_btree.c:336, xfs_cntbt block 0x10 
XFS (loop0): Unmount and run xfs_repair
XFS (loop0): First 128 bytes of corrupted metadata buffer:
00000000: 41 42 33 43 00 00 00 02 ff ff ff ff ff ff ff ff  AB3C............
00000010: 00 00 00 00 00 00 00 01 00 00 00 01 00 00 00 10  ................
00000020: c4 96 e0 5e 54 0d 4c 72 b5 91 04 d7 9d 8b 4e eb  ...^T.Lr......N.
00000030: 00 00 00 00 20 bb 84 11 00 00 04 4e 00 00 00 02  .... ......N....
00000040: 00 00 04 60 00 00 0b a0 00 00 00 00 00 00 00 00  ...`............
00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x54/0x434 fs/xfs/libxfs/xfs_alloc_btree.c:336, xfs_cntbt block 0x10 
XFS (loop0): Unmount and run xfs_repair
XFS (loop0): First 128 bytes of corrupted metadata buffer:
00000000: 41 42 33 43 00 00 00 02 ff ff ff ff ff ff ff ff  AB3C............
00000010: 00 00 00 00 00 00 00 01 00 00 00 01 00 00 00 10  ................
00000020: c4 96 e0 5e 54 0d 4c 72 b5 91 04 d7 9d 8b 4e eb  ...^T.Lr......N.
00000030: 00 00 00 00 20 bb 84 11 00 00 04 4e 00 00 00 02  .... ......N....
00000040: 00 00 04 60 00 00 0b a0 00 00 00 00 00 00 00 00  ...`............
00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x54/0x434 fs/xfs/libxfs/xfs_alloc_btree.c:336, xfs_cntbt block 0x10 
XFS (loop3): Unmount and run xfs_repair
XFS (loop3): First 128 bytes of corrupted metadata buffer:
00000000: 41 42 33 43 00 00 00 02 ff ff ff ff ff ff ff ff  AB3C............
00000010: 00 00 00 00 00 00 00 01 00 00 00 01 00 00 00 10  ................
00000020: c4 96 e0 5e 54 0d 4c 72 b5 91 04 d7 9d 8b 4e eb  ...^T.Lr......N.
00000030: 00 00 00 00 20 bb 84 11 00 00 04 4e 00 00 00 02  .... ......N....
00000040: 00 00 04 60 00 00 0b a0 00 00 00 00 00 00 00 00  ...`............
00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x54/0x434 fs/xfs/libxfs/xfs_alloc_btree.c:336, xfs_cntbt block 0x10 
XFS (loop0): Unmount and run xfs_repair
XFS (loop0): First 128 bytes of corrupted metadata buffer:
00000000: 41 42 33 43 00 00 00 02 ff ff ff ff ff ff ff ff  AB3C............
00000010: 00 00 00 00 00 00 00 01 00 00 00 01 00 00 00 10  ................
00000020: c4 96 e0 5e 54 0d 4c 72 b5 91 04 d7 9d 8b 4e eb  ...^T.Lr......N.
00000030: 00 00 00 00 20 bb 84 11 00 00 04 4e 00 00 00 02  .... ......N....
00000040: 00 00 04 60 00 00 0b a0 00 00 00 00 00 00 00 00  ...`............
00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x54/0x434 fs/xfs/libxfs/xfs_alloc_btree.c:336, xfs_cntbt block 0x10 
XFS (loop3): Unmount and run xfs_repair
XFS (loop3): First 128 bytes of corrupted metadata buffer:
00000000: 41 42 33 43 00 00 00 02 ff ff ff ff ff ff ff ff  AB3C............
00000010: 00 00 00 00 00 00 00 01 00 00 00 01 00 00 00 10  ................
00000020: c4 96 e0 5e 54 0d 4c 72 b5 91 04 d7 9d 8b 4e eb  ...^T.Lr......N.
00000030: 00 00 00 00 20 bb 84 11 00 00 04 4e 00 00 00 02  .... ......N....
00000040: 00 00 04 60 00 00 0b a0 00 00 00 00 00 00 00 00  ...`............
00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x54/0x434 fs/xfs/libxfs/xfs_alloc_btree.c:336, xfs_cntbt block 0x10 
XFS (loop0): Unmount and run xfs_repair
XFS (loop0): First 128 bytes of corrupted metadata buffer:
00000000: 41 42 33 43 00 00 00 02 ff ff ff ff ff ff ff ff  AB3C............
00000010: 00 00 00 00 00 00 00 01 00 00 00 01 00 00 00 10  ................
00000020: c4 96 e0 5e 54 0d 4c 72 b5 91 04 d7 9d 8b 4e eb  ...^T.Lr......N.
00000030: 00 00 00 00 20 bb 84 11 00 00 04 4e 00 00 00 02  .... ......N....
00000040: 00 00 04 60 00 00 0b a0 00 00 00 00 00 00 00 00  ...`............
00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x54/0x434 fs/xfs/libxfs/xfs_alloc_btree.c:336, xfs_cntbt block 0x10 
XFS (loop0): Unmount and run xfs_repair
XFS (loop0): First 128 bytes of corrupted metadata buffer:
00000000: 41 42 33 43 00 00 00 02 ff ff ff ff ff ff ff ff  AB3C............
00000010: 00 00 00 00 00 00 00 01 00 00 00 01 00 00 00 10  ................
00000020: c4 96 e0 5e 54 0d 4c 72 b5 91 04 d7 9d 8b 4e eb  ...^T.Lr......N.
00000030: 00 00 00 00 20 bb 84 11 00 00 04 4e 00 00 00 02  .... ......N....
00000040: 00 00 04 60 00 00 0b a0 00 00 00 00 00 00 00 00  ...`............
00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x54/0x434 fs/xfs/libxfs/xfs_alloc_btree.c:336, xfs_cntbt block 0x10 
XFS (loop0): Unmount and run xfs_repair
XFS (loop0): First 128 bytes of corrupted metadata buffer:
00000000: 41 42 33 43 00 00 00 02 ff ff ff ff ff ff ff ff  AB3C............
00000010: 00 00 00 00 00 00 00 01 00 00 00 01 00 00 00 10  ................
00000020: c4 96 e0 5e 54 0d 4c 72 b5 91 04 d7 9d 8b 4e eb  ...^T.Lr......N.
00000030: 00 00 00 00 20 bb 84 11 00 00 04 4e 00 00 00 02  .... ......N....
00000040: 00 00 04 60 00 00 0b a0 00 00 00 00 00 00 00 00  ...`............
00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x54/0x434 fs/xfs/libxfs/xfs_alloc_btree.c:336, xfs_cntbt block 0x10 
XFS (loop0): Unmount and run xfs_repair
XFS (loop0): First 128 bytes of corrupted metadata buffer:
00000000: 41 42 33 43 00 00 00 02 ff ff ff ff ff ff ff ff  AB3C............
00000010: 00 00 00 00 00 00 00 01 00 00 00 01 00 00 00 10  ................
00000020: c4 96 e0 5e 54 0d 4c 72 b5 91 04 d7 9d 8b 4e eb  ...^T.Lr......N.
00000030: 00 00 00 00 20 bb 84 11 00 00 04 4e 00 00 00 02  .... ......N....
00000040: 00 00 04 60 00 00 0b a0 00 00 00 00 00 00 00 00  ...`............
00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x54/0x434 fs/xfs/libxfs/xfs_alloc_btree.c:336, xfs_cntbt block 0x10 
XFS (loop0): Unmount and run xfs_repair
XFS (loop0): First 128 bytes of corrupted metadata buffer:
00000000: 41 42 33 43 00 00 00 02 ff ff ff ff ff ff ff ff  AB3C............
00000010: 00 00 00 00 00 00 00 01 00 00 00 01 00 00 00 10  ................
00000020: c4 96 e0 5e 54 0d 4c 72 b5 91 04 d7 9d 8b 4e eb  ...^T.Lr......N.
00000030: 00 00 00 00 20 bb 84 11 00 00 04 4e 00 00 00 02  .... ......N....
00000040: 00 00 04 60 00 00 0b a0 00 00 00 00 00 00 00 00  ...`............
00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x54/0x434 fs/xfs/libxfs/xfs_alloc_btree.c:336, xfs_cntbt block 0x10 
XFS (loop3): Unmount and run xfs_repair
XFS (loop3): First 128 bytes of corrupted metadata buffer:
00000000: 41 42 33 43 00 00 00 02 ff ff ff ff ff ff ff ff  AB3C............
00000010: 00 00 00 00 00 00 00 01 00 00 00 01 00 00 00 10  ................
00000020: c4 96 e0 5e 54 0d 4c 72 b5 91 04 d7 9d 8b 4e eb  ...^T.Lr......N.
00000030: 00 00 00 00 20 bb 84 11 00 00 04 4e 00 00 00 02  .... ......N....
00000040: 00 00 04 60 00 00 0b a0 00 00 00 00 00 00 00 00  ...`............
00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x54/0x434 fs/xfs/libxfs/xfs_alloc_btree.c:336, xfs_cntbt block 0x10 
XFS (loop3): Unmount and run xfs_repair
XFS (loop3): First 128 bytes of corrupted metadata buffer:
00000000: 41 42 33 43 00 00 00 02 ff ff ff ff ff ff ff ff  AB3C............
00000010: 00 00 00 00 00 00 00 01 00 00 00 01 00 00 00 10  ................
00000020: c4 96 e0 5e 54 0d 4c 72 b5 91 04 d7 9d 8b 4e eb  ...^T.Lr......N.
00000030: 00 00 00 00 20 bb 84 11 00 00 04 4e 00 00 00 02  .... ......N....
00000040: 00 00 04 60 00 00 0b a0 00 00 00 00 00 00 00 00  ...`............
00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x54/0x434 fs/xfs/libxfs/xfs_alloc_btree.c:336, xfs_cntbt block 0x10 
XFS (loop1): Unmount and run xfs_repair
XFS (loop1): First 128 bytes of corrupted metadata buffer:
00000000: 41 42 33 43 00 00 00 02 ff ff ff ff ff ff ff ff  AB3C............
00000010: 00 00 00 00 00 00 00 01 00 00 00 01 00 00 00 10  ................
00000020: c4 96 e0 5e 54 0d 4c 72 b5 91 04 d7 9d 8b 4e eb  ...^T.Lr......N.
00000030: 00 00 00 00 20 bb 84 11 00 00 04 4e 00 00 00 02  .... ......N....
00000040: 00 00 04 60 00 00 0b a0 00 00 00 00 00 00 00 00  ...`............
00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x54/0x434 fs/xfs/libxfs/xfs_alloc_btree.c:336, xfs_cntbt block 0x10 
XFS (loop1): Unmount and run xfs_repair
XFS (loop1): First 128 bytes of corrupted metadata buffer:
00000000: 41 42 33 43 00 00 00 02 ff ff ff ff ff ff ff ff  AB3C............
00000010: 00 00 00 00 00 00 00 01 00 00 00 01 00 00 00 10  ................
00000020: c4 96 e0 5e 54 0d 4c 72 b5 91 04 d7 9d 8b 4e eb  ...^T.Lr......N.
00000030: 00 00 00 00 20 bb 84 11 00 00 04 4e 00 00 00 02  .... ......N....
00000040: 00 00 04 60 00 00 0b a0 00 00 00 00 00 00 00 00  ...`............
00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x54/0x434 fs/xfs/libxfs/xfs_alloc_btree.c:336, xfs_cntbt block 0x10 
XFS (loop1): Unmount and run xfs_repair
XFS (loop1): First 128 bytes of corrupted metadata buffer:
00000000: 41 42 33 43 00 00 00 02 ff ff ff ff ff ff ff ff  AB3C............
00000010: 00 00 00 00 00 00 00 01 00 00 00 01 00 00 00 10  ................
00000020: c4 96 e0 5e 54 0d 4c 72 b5 91 04 d7 9d 8b 4e eb  ...^T.Lr......N.
00000030: 00 00 00 00 20 bb 84 11 00 00 04 4e 00 00 00 02  .... ......N....
00000040: 00 00 04 60 00 00 0b a0 00 00 00 00 00 00 00 00  ...`............
00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x54/0x434 fs/xfs/libxfs/xfs_alloc_btree.c:336, xfs_cntbt block 0x10 
XFS (loop1): Unmount and run xfs_repair
XFS (loop1): First 128 bytes of corrupted metadata buffer:
00000000: 41 42 33 43 00 00 00 02 ff ff ff ff ff ff ff ff  AB3C............
00000010: 00 00 00 00 00 00 00 01 00 00 00 01 00 00 00 10  ................
00000020: c4 96 e0 5e 54 0d 4c 72 b5 91 04 d7 9d 8b 4e eb  ...^T.Lr......N.
00000030: 00 00 00 00 20 bb 84 11 00 00 04 4e 00 00 00 02  .... ......N....
00000040: 00 00 04 60 00 00 0b a0 00 00 00 00 00 00 00 00  ...`............
00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x54/0x434 fs/xfs/libxfs/xfs_alloc_btree.c:336, xfs_cntbt block 0x10 
XFS (loop1): Unmount and run xfs_repair
XFS (loop1): First 128 bytes of corrupted metadata buffer:
00000000: 41 42 33 43 00 00 00 02 ff ff ff ff ff ff ff ff  AB3C............
00000010: 00 00 00 00 00 00 00 01 00 00 00 01 00 00 00 10  ................
00000020: c4 96 e0 5e 54 0d 4c 72 b5 91 04 d7 9d 8b 4e eb  ...^T.Lr......N.
00000030: 00 00 00 00 20 bb 84 11 00 00 04 4e 00 00 00 02  .... ......N....
00000040: 00 00 04 60 00 00 0b a0 00 00 00 00 00 00 00 00  ...`............
00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x54/0x434 fs/xfs/libxfs/xfs_alloc_btree.c:336, xfs_cntbt block 0x10 
XFS (loop3): Unmount and run xfs_repair
XFS (loop3): First 128 bytes of corrupted metadata buffer:
00000000: 41 42 33 43 00 00 00 02 ff ff ff ff ff ff ff ff  AB3C............
00000010: 00 00 00 00 00 00 00 01 00 00 00 01 00 00 00 10  ................
00000020: c4 96 e0 5e 54 0d 4c 72 b5 91 04 d7 9d 8b 4e eb  ...^T.Lr......N.
00000030: 00 00 00 00 20 bb 84 11 00 00 04 4e 00 00 00 02  .... ......N....
00000040: 00 00 04 60 00 00 0b a0 00 00 00 00 00 00 00 00  ...`............
00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x54/0x434 fs/xfs/libxfs/xfs_alloc_btree.c:336, xfs_cntbt block 0x10 
XFS (loop0): Unmount and run xfs_repair
XFS (loop0): First 128 bytes of corrupted metadata buffer:
00000000: 41 42 33 43 00 00 00 02 ff ff ff ff ff ff ff ff  AB3C............
00000010: 00 00 00 00 00 00 00 01 00 00 00 01 00 00 00 10  ................
00000020: c4 96 e0 5e 54 0d 4c 72 b5 91 04 d7 9d 8b 4e eb  ...^T.Lr......N.
00000030: 00 00 00 00 20 bb 84 11 00 00 04 4e 00 00 00 02  .... ......N....
00000040: 00 00 04 60 00 00 0b a0 00 00 00 00 00 00 00 00  ...`............
00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x54/0x434 fs/xfs/libxfs/xfs_alloc_btree.c:336, xfs_cntbt block 0x10 
XFS (loop0): Unmount and run xfs_repair
XFS (loop0): First 128 bytes of corrupted metadata buffer:
00000000: 41 42 33 43 00 00 00 02 ff ff ff ff ff ff ff ff  AB3C............
00000010: 00 00 00 00 00 00 00 01 00 00 00 01 00 00 00 10  ................
00000020: c4 96 e0 5e 54 0d 4c 72 b5 91 04 d7 9d 8b 4e eb  ...^T.Lr......N.
00000030: 00 00 00 00 20 bb 84 11 00 00 04 4e 00 00 00 02  .... ......N....
00000040: 00 00 04 60 00 00 0b a0 00 00 00 00 00 00 00 00  ...`............
00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x54/0x434 fs/xfs/libxfs/xfs_alloc_btree.c:336, xfs_cntbt block 0x10 
XFS (loop0): Unmount and run xfs_repair
XFS (loop0): First 128 bytes of corrupted metadata buffer:
00000000: 41 42 33 43 00 00 00 02 ff ff ff ff ff ff ff ff  AB3C............
00000010: 00 00 00 00 00 00 00 01 00 00 00 01 00 00 00 10  ................
00000020: c4 96 e0 5e 54 0d 4c 72 b5 91 04 d7 9d 8b 4e eb  ...^T.Lr......N.
00000030: 00 00 00 00 20 bb 84 11 00 00 04 4e 00 00 00 02  .... ......N....
00000040: 00 00 04 60 00 00 0b a0 00 00 00 00 00 00 00 00  ...`............
00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x54/0x434 fs/xfs/libxfs/xfs_alloc_btree.c:336, xfs_cntbt block 0x10 
XFS (loop1): Unmount and run xfs_repair
XFS (loop1): First 128 bytes of corrupted metadata buffer:
00000000: 41 42 33 43 00 00 00 02 ff ff ff ff ff ff ff ff  AB3C............
00000010: 00 00 00 00 00 00 00 01 00 00 00 01 00 00 00 10  ................
00000020: c4 96 e0 5e 54 0d 4c 72 b5 91 04 d7 9d 8b 4e eb  ...^T.Lr......N.
00000030: 00 00 00 00 20 bb 84 11 00 00 04 4e 00 00 00 02  .... ......N....
00000040: 00 00 04 60 00 00 0b a0 00 00 00 00 00 00 00 00  ...`............
00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x54/0x434 fs/xfs/libxfs/xfs_alloc_btree.c:336, xfs_cntbt block 0x10 
XFS (loop1): Unmount and run xfs_repair
XFS (loop1): First 128 bytes of corrupted metadata buffer:
00000000: 41 42 33 43 00 00 00 02 ff ff ff ff ff ff ff ff  AB3C............
00000010: 00 00 00 00 00 00 00 01 00 00 00 01 00 00 00 10  ................
00000020: c4 96 e0 5e 54 0d 4c 72 b5 91 04 d7 9d 8b 4e eb  ...^T.Lr......N.
00000030: 00 00 00 00 20 bb 84 11 00 00 04 4e 00 00 00 02  .... ......N....
00000040: 00 00 04 60 00 00 0b a0 00 00 00 00 00 00 00 00  ...`............
00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x54/0x434 fs/xfs/libxfs/xfs_alloc_btree.c:336, xfs_cntbt block 0x10 
XFS (loop3): Unmount and run xfs_repair
XFS (loop3): First 128 bytes of corrupted metadata buffer:
00000000: 41 42 33 43 00 00 00 02 ff ff ff ff ff ff ff ff  AB3C............
00000010: 00 00 00 00 00 00 00 01 00 00 00 01 00 00 00 10  ................
00000020: c4 96 e0 5e 54 0d 4c 72 b5 91 04 d7 9d 8b 4e eb  ...^T.Lr......N.
00000030: 00 00 00 00 20 bb 84 11 00 00 04 4e 00 00 00 02  .... ......N....
00000040: 00 00 04 60 00 00 0b a0 00 00 00 00 00 00 00 00  ...`............
00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
XFS (loop0): Metadata CRC error detected at xfs_allocbt_read_verify+0x54/0x434 fs/xfs/libxfs/xfs_alloc_btree.c:336, xfs_cntbt block 0x10 
XFS (loop0): Unmount and run xfs_repair
XFS (loop0): First 128 bytes of corrupted metadata buffer:
00000000: 41 42 33 43 00 00 00 02 ff ff ff ff ff ff ff ff  AB3C............
00000010: 00 00 00 00 00 00 00 01 00 00 00 01 00 00 00 10  ................
00000020: c4 96 e0 5e 54 0d 4c 72 b5 91 04 d7 9d 8b 4e eb  ...^T.Lr......N.
00000030: 00 00 00 00 20 bb 84 11 00 00 04 4e 00 00 00 02  .... ......N....
00000040: 00 00 04 60 00 00 0b a0 00 00 00 00 00 00 00 00  ...`............
00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
XFS (loop3): Metadata CRC error detected at xfs_allocbt_read_verify+0x54/0x434 fs/xfs/libxfs/xfs_alloc_btree.c:336, xfs_cntbt block 0x10 
XFS (loop3): Unmount and run xfs_repair
XFS (loop3): First 128 bytes of corrupted metadata buffer:
00000000: 41 42 33 43 00 00 00 02 ff ff ff ff ff ff ff ff  AB3C............
00000010: 00 00 00 00 00 00 00 01 00 00 00 01 00 00 00 10  ................
00000020: c4 96 e0 5e 54 0d 4c 72 b5 91 04 d7 9d 8b 4e eb  ...^T.Lr......N.
00000030: 00 00 00 00 20 bb 84 11 00 00 04 4e 00 00 00 02  .... ......N....
00000040: 00 00 04 60 00 00 0b a0 00 00 00 00 00 00 00 00  ...`............
00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x54/0x434 fs/xfs/libxfs/xfs_alloc_btree.c:336, xfs_cntbt block 0x10 
XFS (loop1): Unmount and run xfs_repair
XFS (loop1): First 128 bytes of corrupted metadata buffer:
00000000: 41 42 33 43 00 00 00 02 ff ff ff ff ff ff ff ff  AB3C............
00000010: 00 00 00 00 00 00 00 01 00 00 00 01 00 00 00 10  ................
00000020: c4 96 e0 5e 54 0d 4c 72 b5 91 04 d7 9d 8b 4e eb  ...^T.Lr......N.
00000030: 00 00 00 00 20 bb 84 11 00 00 04 4e 00 00 00 02  .... ......N....
00000040: 00 00 04 60 00 00 0b a0 00 00 00 00 00 00 00 00  ...`............
00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
XFS (loop1): Metadata CRC error detected at xfs_allocbt_read_verify+0x54/0x434 fs/xfs/libxfs/xfs_alloc_btree.c:336, xfs_cntbt block 0x10 
XFS (loop1): Unmount and run xfs_repair
XFS (loop1): First 128 bytes of corrupted metadata buffer:
00000000: 41 42 33 43 00 00 00 02 ff ff ff ff ff ff ff ff  AB3C............
00000010: 00 00 00 00 00 00 00 01 00 00 00 01 00 00 00 10  ................
00000020: c4 96 e0 5e 54 0d 4c 72 b5 91 04 d7 9d 8b 4e eb  ...^T.Lr......N.
00000030: 00 00 00 00 20 bb 84 11 00 00 04 4e 00 00 00 02  .... ......N....
00000040: 00 00 04 60 00 00 0b a0 00 00 00 00 00 00 00 00  ...`............
00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
loop1: writeback error on inode 4423, offset 0, sector 8784

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/04/08 06:24 linux-5.15.y d86dfc4d95cd 71147e29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 KASAN: use-after-free Read in iomap_finish_ioend
* Struck through repros no longer work on HEAD.