loop0: detected capacity change from 0 to 512
=======================================================
WARNING: The mand mount option has been deprecated and
         and is ignored by this kernel. Remove the mand
         option from the mount to silence this warning.
=======================================================
EXT4-fs error (device loop0): ext4_orphan_get:1399: inode #15: comm syz.0.0: inode has both inline data and extents flags
loop0: lost file I/O error report for ino 15 type 5 pos 0x0 len 0x0 error -117
EXT4-fs error (device loop0): ext4_orphan_get:1404: comm syz.0.0: couldn't read orphan inode 15 (err -117)
loop0: lost filesystem error report for type 5 error -117
EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
EXT4-fs error (device loop0): ext4_get_inode_loc:5024: inode #18: block 9: comm syz.0.0: unable to read itable block
Buffer I/O error on dev loop0, logical block 1, lost sync page write
EXT4-fs (loop0): I/O error while writing superblock
EXT4-fs error (device loop0) in ext4_reserve_inode_write:6435: IO failure
Buffer I/O error on dev loop0, logical block 1, lost sync page write
EXT4-fs (loop0): I/O error while writing superblock
EXT4-fs error (device loop0): ext4_dirty_inode:6639: inode #18: comm syz.0.0: mark_inode_dirty error
Buffer I/O error on dev loop0, logical block 1, lost sync page write
EXT4-fs (loop0): I/O error while writing superblock
EXT4-fs error (device loop0): ext4_get_inode_loc:5024: inode #18: block 9: comm syz.0.0: unable to read itable block
Buffer I/O error on dev loop0, logical block 1, lost sync page write
EXT4-fs (loop0): I/O error while writing superblock
EXT4-fs error (device loop0): ext4_get_max_inline_size:121: inode #18: comm syz.0.0: can't get inode location 18
EXT4-fs error (device loop0): ext4_check_bdev_write_error:227: comm syz.0.0: Error while async write back metadata
==================================================================
BUG: KASAN: out-of-bounds in ext4_xattr_set_entry+0x92b/0x1ed0 fs/ext4/xattr.c:1763
Read of size 18446744073709551600 at addr ffff88801371a5b8 by task syz.0.0/5325

CPU: 0 UID: 0 PID: 5325 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 print_address_description+0x55/0x1e0 mm/kasan/report.c:378
 print_report+0x58/0x70 mm/kasan/report.c:482
 kasan_report+0x117/0x150 mm/kasan/report.c:595
 check_region_inline mm/kasan/generic.c:-1 [inline]
 kasan_check_range+0x264/0x2c0 mm/kasan/generic.c:200
 __asan_memmove+0x29/0x70 mm/kasan/shadow.c:94
 ext4_xattr_set_entry+0x92b/0x1ed0 fs/ext4/xattr.c:1763
 ext4_xattr_ibody_set+0x262/0x710 fs/ext4/xattr.c:2275
 ext4_destroy_inline_data_nolock+0x23a/0x5f0 fs/ext4/inline.c:472
 ext4_convert_inline_data_to_extent+0x549/0xde0 fs/ext4/inline.c:631
 ext4_write_begin+0x349/0x1850 fs/ext4/inode.c:1315
 generic_perform_write+0x2d5/0x8f0 mm/filemap.c:4358
 ext4_buffered_write_iter+0xcb/0x370 fs/ext4/file.c:316
 ext4_file_write_iter+0x947/0x1c70 fs/ext4/file.c:-1
 aio_write+0x5cd/0x870 fs/aio.c:1687
 __io_submit_one fs/aio.c:-1 [inline]
 io_submit_one+0x798/0x13d0 fs/aio.c:2106
 __do_sys_io_submit fs/aio.c:2165 [inline]
 __se_sys_io_submit+0x195/0x340 fs/aio.c:2135
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0d1539de99
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f0d16188fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
RAX: ffffffffffffffda RBX: 00007f0d15625fa0 RCX: 00007f0d1539de99
RDX: 0000200000000540 RSI: 0000000000000001 RDI: 00007f0d16160000
RBP: 00007f0d15433eaf R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0d15626038 R14: 00007f0d15625fa0 R15: 00007ffdadbf7a28
 </TASK>

The buggy address belongs to the physical page:
page: refcount:2 mapcount:0 mapping:ffff88801d02d940 index:0x2 pfn:0x1371a
memcg:ffff888044578200
aops:def_blk_aops ino:700000 dentry name(?):""
flags: 0xfff98000004224(referenced|lru|workingset|private|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff98000004224 ffffea00004743c8 ffffea000039f3c8 ffff88801d02d940
raw: 0000000000000002 ffff8880441c18c0 00000002ffffffff ffff888044578200
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Movable, gfp_mask 0x148c48(GFP_NOFS|__GFP_MOVABLE|__GFP_NOFAIL|__GFP_COMP|__GFP_HARDWALL), pid 5325, tgid 5324 (syz.0.0), ts 94339189954, free_ts 94335992126
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f9/0x250 mm/page_alloc.c:1859
 prep_new_page mm/page_alloc.c:1867 [inline]
 get_page_from_freelist+0x21fa/0x2270 mm/page_alloc.c:3946
 __alloc_frozen_pages_noprof+0x18d/0x380 mm/page_alloc.c:5304
 alloc_pages_mpol+0x212/0x380 mm/mempolicy.c:2490
 alloc_frozen_pages_noprof mm/mempolicy.c:2561 [inline]
 alloc_pages_noprof+0xac/0x2a0 mm/mempolicy.c:2581
 folio_alloc_noprof+0x1e/0x30 mm/mempolicy.c:2591
 filemap_alloc_folio_noprof+0x111/0x470 mm/filemap.c:1013
 __filemap_get_folio_mpol+0x402/0x1000 mm/filemap.c:2012
 __filemap_get_folio include/linux/pagemap.h:761 [inline]
 grow_dev_folio fs/buffer.c:960 [inline]
 grow_buffers fs/buffer.c:1026 [inline]
 __getblk_slow fs/buffer.c:1044 [inline]
 bdev_getblk+0x1f4/0x6e0 fs/buffer.c:1439
 __getblk include/linux/buffer_head.h:382 [inline]
 sb_getblk include/linux/buffer_head.h:388 [inline]
 __ext4_get_inode_loc+0x56c/0xf40 fs/ext4/inode.c:4891
 ext4_get_inode_loc+0x81/0xf0 fs/ext4/inode.c:5019
 ext4_get_max_inline_size+0xd2/0x200 fs/ext4/inline.c:119
 ext4_try_to_write_inline_data+0x31/0xa0 fs/ext4/inline.c:788
 ext4_write_begin+0x349/0x1850 fs/ext4/inode.c:1315
 generic_perform_write+0x2d5/0x8f0 mm/filemap.c:4358
 ext4_buffered_write_iter+0xcb/0x370 fs/ext4/file.c:316
page last free pid 5326 tgid 5324 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 __free_pages_prepare mm/page_alloc.c:1406 [inline]
 free_unref_folios+0xd84/0x14a0 mm/page_alloc.c:3011
 folios_put_refs+0x9e9/0xb30 mm/swap.c:1057
 folio_batch_release include/linux/folio_batch.h:101 [inline]
 mapping_try_invalidate+0x3b7/0x4b0 mm/truncate.c:579
 loop_set_status+0x25d/0xd50 drivers/block/loop.c:1238
 loop_set_status_old drivers/block/loop.c:1354 [inline]
 lo_ioctl+0xcd9/0x1fc0 drivers/block/loop.c:1543
 blkdev_ioctl+0x5e3/0x740 block/ioctl.c:797
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Memory state around the buggy address:
 ffff88801371a480: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff88801371a500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff88801371a580: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
                                        ^
 ffff88801371a600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff88801371a680: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================