syz.0.0 (5361) used greatest stack depth: 14648 bytes left[   69.018067][ T5339] Bluetooth: hci0: command tx timeout
raw-gadget.0 gadget.0: fail, usb_ep_enable returned -22
loop0: detected capacity change from 2048 to 64
==================================================================
BUG: KASAN: out-of-bounds in ext4_xattr_set_entry+0x9c1/0x1e20 fs/ext4/xattr.c:1751
Read of size 18446744073709551600 at addr ffff888043f1a2d0 by task syz.0.0/5361

CPU: 0 UID: 0 PID: 5361 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~bpo12+1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
 print_address_description mm/kasan/report.c:378 [inline]
 print_report+0xca/0x240 mm/kasan/report.c:482
 kasan_report+0x118/0x150 mm/kasan/report.c:595
 check_region_inline mm/kasan/generic.c:-1 [inline]
 kasan_check_range+0x2b0/0x2c0 mm/kasan/generic.c:189
 __asan_memmove+0x29/0x70 mm/kasan/shadow.c:94
 ext4_xattr_set_entry+0x9c1/0x1e20 fs/ext4/xattr.c:1751
 ext4_xattr_ibody_set+0x254/0x6a0 fs/ext4/xattr.c:2263
 ext4_destroy_inline_data_nolock+0x214/0x5b0 fs/ext4/inline.c:463
 ext4_convert_inline_data_to_extent+0x540/0xdd0 fs/ext4/inline.c:613
 ext4_write_begin+0x382/0x19a0 fs/ext4/inode.c:1302
 ext4_da_write_begin+0x445/0xda0 fs/ext4/inode.c:3129
 generic_perform_write+0x2c2/0x900 mm/filemap.c:4175
 ext4_buffered_write_iter+0xce/0x3a0 fs/ext4/file.c:299
 ext4_file_write_iter+0x298/0x1bc0 fs/ext4/file.c:-1
 aio_write+0x535/0x7a0 fs/aio.c:1634
 __io_submit_one fs/aio.c:-1 [inline]
 io_submit_one+0x78b/0x1310 fs/aio.c:2053
 __do_sys_io_submit fs/aio.c:2112 [inline]
 __se_sys_io_submit+0x185/0x2f0 fs/aio.c:2082
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0908d8eec9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f0909c1f038 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
RAX: ffffffffffffffda RBX: 00007f0908fe5fa0 RCX: 00007f0908d8eec9
RDX: 00002000000002c0 RSI: 0000000000000001 RDI: 00007f0909bdd000
RBP: 00007f0908e11f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0908fe6038 R14: 00007f0908fe5fa0 R15: 00007ffe14678378
 </TASK>

The buggy address belongs to the physical page:
page: refcount:2 mapcount:0 mapping:ffff88803202cd80 index:0x3 pfn:0x43f1a
memcg:ffff888030a90000
aops:def_blk_aops ino:700000 dentry name(?):""
flags: 0x4fff38000004a3c(referenced|uptodate|dirty|lru|workingset|owner_2|private|node=1|zone=1|lastcpupid=0x7ff)
raw: 04fff38000004a3c ffffea00010ff208 ffffea00010b8b88 ffff88803202cd80
raw: 0000000000000003 ffff8880433de910 00000002ffffffff ffff888030a90000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x152c40(GFP_NOFS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL), pid 5367, tgid 5367 (udevd), ts 70315014383, free_ts 70283303044
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x240/0x2a0 mm/page_alloc.c:1851
 prep_new_page mm/page_alloc.c:1859 [inline]
 get_page_from_freelist+0x21e4/0x22c0 mm/page_alloc.c:3858
 __alloc_frozen_pages_noprof+0x181/0x370 mm/page_alloc.c:5148
 alloc_pages_mpol+0x232/0x4a0 mm/mempolicy.c:2416
 alloc_frozen_pages_noprof mm/mempolicy.c:2487 [inline]
 alloc_pages_noprof+0xa9/0x190 mm/mempolicy.c:2507
 folio_alloc_noprof+0x1e/0x30 mm/mempolicy.c:2517
 filemap_alloc_folio_noprof+0xdf/0x470 mm/filemap.c:1007
 ractl_alloc_folio mm/readahead.c:186 [inline]
 page_cache_ra_unbounded+0x2b9/0x7b0 mm/readahead.c:270
 do_page_cache_ra mm/readahead.c:327 [inline]
 force_page_cache_ra mm/readahead.c:356 [inline]
 page_cache_sync_ra+0x3b9/0xb10 mm/readahead.c:572
 filemap_get_pages+0x43c/0x1ea0 mm/filemap.c:2603
 filemap_read+0x3f6/0x11a0 mm/filemap.c:2712
 blkdev_read_iter+0x30a/0x440 block/fops.c:852
 new_sync_read fs/read_write.c:491 [inline]
 vfs_read+0x557/0xa30 fs/read_write.c:572
 ksys_read+0x145/0x250 fs/read_write.c:715
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
page last free pid 5361 tgid 5360 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1395 [inline]
 free_unref_folios+0xdbd/0x1520 mm/page_alloc.c:2952
 folios_put_refs+0x559/0x640 mm/swap.c:999
 folio_batch_release include/linux/pagevec.h:101 [inline]
 mapping_try_invalidate+0x324/0x410 mm/truncate.c:554
 loop_set_status+0x26e/0xd60 drivers/block/loop.c:1244
 lo_ioctl+0x9f6/0x1c10 drivers/block/loop.c:-1
 blkdev_ioctl+0x5a8/0x6d0 block/ioctl.c:705
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:598 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:584
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Memory state around the buggy address:
 ffff888043f1a180: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff888043f1a200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff888043f1a280: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
                                                 ^
 ffff888043f1a300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff888043f1a380: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================