loop0: detected capacity change from 0 to 2048
EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
overlayfs: at least 2 lowerdir are needed while upperdir nonexistent
loop0: detected capacity change from 2048 to 1535
EXT4-fs error (device loop0): __ext4_new_inode:1079: comm syz.0.0: reserved inode found cleared - inode=1
overlayfs: failed to create directory ./bus/work (errno: 28); mounting read-only
==================================================================
BUG: KASAN: out-of-bounds in ext4_xattr_set_entry+0x9c1/0x1e20 fs/ext4/xattr.c:1763
Read of size 18446744073709551600 at addr ffff888054cf3eb8 by task syz.0.0/5326

CPU: 0 UID: 0 PID: 5326 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+0x9c1/0x1e20 fs/ext4/xattr.c:1763
 ext4_xattr_ibody_set+0x254/0x6a0 fs/ext4/xattr.c:2275
 ext4_destroy_inline_data_nolock+0x23a/0x5e0 fs/ext4/inline.c:472
 ext4_destroy_inline_data+0x83/0xe0 fs/ext4/inline.c:1806
 ext4_do_writepages+0x51e/0x4670 fs/ext4/inode.c:2827
 ext4_writepages+0x241/0x3b0 fs/ext4/inode.c:3042
 do_writepages+0x32e/0x550 mm/page-writeback.c:2571
 filemap_writeback mm/filemap.c:388 [inline]
 filemap_flush_range mm/filemap.c:437 [inline]
 filemap_flush+0x1e1/0x2e0 mm/filemap.c:452
 ext4_convert_inline_data+0x18e/0x600 fs/ext4/inline.c:1972
 ext4_setattr+0xef4/0x1d60 fs/ext4/inode.c:5980
 notify_change+0xc1a/0xf40 fs/attr.c:556
 do_truncate+0x1c2/0x250 fs/open.c:68
 vfs_truncate+0x4b4/0x540 fs/open.c:118
 ksys_truncate+0xf3/0x1c0 fs/open.c:142
 __do_sys_truncate fs/open.c:154 [inline]
 __se_sys_truncate fs/open.c:152 [inline]
 __x64_sys_truncate+0x5b/0x70 fs/open.c:152
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3e0ff9ce59
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:00007f3e10efafe8 EFLAGS: 00000246 ORIG_RAX: 000000000000004c
RAX: ffffffffffffffda RBX: 00007f3e10215fa0 RCX: 00007f3e0ff9ce59
RDX: 0000000000000000 RSI: 00000000000000d1 RDI: 0000200000000000
RBP: 00007f3e10032d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f3e10216038 R14: 00007f3e10215fa0 R15: 00007ffc7f6b8198
 </TASK>

The buggy address belongs to the physical page:
page: refcount:2 mapcount:0 mapping:ffff88801cc25940 index:0x2 pfn:0x54cf3
memcg:ffff888042c0ec00
aops:def_blk_aops ino:700000 dentry name(?):""
flags: 0x4fff58000004234(referenced|dirty|lru|workingset|private|node=1|zone=1|lastcpupid=0x7ff)
raw: 04fff58000004234 ffffea00010f46c8 ffff888030448a80 ffff88801cc25940
raw: 0000000000000002 ffff88801f445570 00000002ffffffff ffff888042c0ec00
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 5326, tgid 5325 (syz.0.0), ts 86263618366, free_ts 86261577980
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x231/0x280 mm/page_alloc.c:1858
 prep_new_page mm/page_alloc.c:1866 [inline]
 get_page_from_freelist+0x24ba/0x2540 mm/page_alloc.c:3946
 __alloc_frozen_pages_noprof+0x18d/0x380 mm/page_alloc.c:5226
 alloc_pages_mpol+0x235/0x490 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:1014
 __filemap_get_folio_mpol+0x3fc/0xb00 mm/filemap.c:2012
 __filemap_get_folio include/linux/pagemap.h:763 [inline]
 grow_dev_folio fs/buffer.c:954 [inline]
 grow_buffers fs/buffer.c:1020 [inline]
 __getblk_slow fs/buffer.c:1038 [inline]
 bdev_getblk+0x1f6/0x6e0 fs/buffer.c:1358
 __getblk include/linux/buffer_head.h:380 [inline]
 sb_getblk include/linux/buffer_head.h:386 [inline]
 __ext4_get_inode_loc+0x528/0xfa0 fs/ext4/inode.c:4890
 ext4_get_inode_loc+0x81/0xf0 fs/ext4/inode.c:5018
 ext4_xattr_ibody_get+0x113/0x4c0 fs/ext4/xattr.c:648
 ext4_xattr_get+0x123/0x6a0 fs/ext4/xattr.c:709
 __vfs_getxattr+0x3f4/0x430 fs/xattr.c:441
 vfs_getxattr+0x251/0x2b0 fs/xattr.c:474
 ovl_do_getxattr fs/overlayfs/overlayfs.h:289 [inline]
 ovl_path_getxattr fs/overlayfs/overlayfs.h:316 [inline]
 ovl_init_uuid_xattr+0x1f1/0x9a0 fs/overlayfs/util.c:797
page last free pid 5288 tgid 5288 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 __free_pages_prepare mm/page_alloc.c:1402 [inline]
 free_unref_folios+0xcec/0x1480 mm/page_alloc.c:3004
 folios_put_refs+0x9ff/0xb40 mm/swap.c:1008
 folio_batch_release include/linux/folio_batch.h:101 [inline]
 shmem_undo_range+0x52c/0x1660 mm/shmem.c:1149
 shmem_truncate_range mm/shmem.c:1277 [inline]
 shmem_evict_inode+0x289/0xae0 mm/shmem.c:1407
 evict+0x61e/0xb10 fs/inode.c:841
 __dentry_kill+0x1a2/0x690 fs/dcache.c:718
 finish_dput+0xc9/0x480 fs/dcache.c:927
 end_renaming fs/namei.c:4124 [inline]
 filename_renameat2+0x61e/0x9c0 fs/namei.c:6174
 __do_sys_rename fs/namei.c:6216 [inline]
 __se_sys_rename+0x55/0x2c0 fs/namei.c:6212
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Memory state around the buggy address:
 ffff888054cf3d80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff888054cf3e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff888054cf3e80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
                                        ^
 ffff888054cf3f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff888054cf3f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================