==================================================================
BUG: KASAN: use-after-free in ext4_xattr_delete_inode+0xcd0/0xce0 fs/ext4/xattr.c:2905
Read of size 4 at addr ffff888032ad2000 by task syz-executor.2/9856

CPU: 0 PID: 9856 Comm: syz-executor.2 Not tainted 6.1.94-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:284 [inline]
 print_report+0x15f/0x4f0 mm/kasan/report.c:395
 kasan_report+0x136/0x160 mm/kasan/report.c:495
 ext4_xattr_delete_inode+0xcd0/0xce0 fs/ext4/xattr.c:2905
 ext4_evict_inode+0xc77/0x1150 fs/ext4/inode.c:296
 evict+0x2a4/0x620 fs/inode.c:666
 d_delete_notify include/linux/fsnotify.h:261 [inline]
 vfs_rmdir+0x381/0x4b0 fs/namei.c:4206
 do_rmdir+0x3a2/0x590 fs/namei.c:4254
 __do_sys_unlinkat fs/namei.c:4434 [inline]
 __se_sys_unlinkat fs/namei.c:4428 [inline]
 __x64_sys_unlinkat+0xdc/0xf0 fs/namei.c:4428
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f630747c687
Code: 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 07 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffe77a16438 EFLAGS: 00000207 ORIG_RAX: 0000000000000107
RAX: ffffffffffffffda RBX: 0000000000000065 RCX: 00007f630747c687
RDX: 0000000000000200 RSI: 00007ffe77a175e0 RDI: 00000000ffffff9c
RBP: 00007f63074d9636 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000100 R11: 0000000000000207 R12: 00007ffe77a175e0
R13: 00007f63074d9636 R14: 0000000000093054 R15: 0000000000000008
 </TASK>

The buggy address belongs to the physical page:
page:ffffea0000cab480 refcount:0 mapcount:-128 mapping:0000000000000000 index:0x1 pfn:0x32ad2
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 ffffea0000e17108 ffffea0000b87688 0000000000000000
raw: 0000000000000001 0000000000000001 00000000ffffff7f 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as freed
page last allocated via order 0, migratetype Movable, gfp_mask 0x140cca(GFP_HIGHUSER_MOVABLE|__GFP_COMP), pid 8115, tgid 8114 (syz-executor.1), ts 543955818443, free_ts 602388283378
 set_page_owner include/linux/page_owner.h:31 [inline]
 post_alloc_hook+0x18d/0x1b0 mm/page_alloc.c:2513
 prep_new_page mm/page_alloc.c:2520 [inline]
 get_page_from_freelist+0x31a1/0x3320 mm/page_alloc.c:4279
 __alloc_pages+0x28d/0x770 mm/page_alloc.c:5547
 folio_alloc+0x1a/0x50 mm/mempolicy.c:2292
 filemap_alloc_folio+0xda/0x4f0 mm/filemap.c:971
 do_read_cache_folio+0x2a7/0x810 mm/filemap.c:3562
 do_read_cache_page+0x32/0x220 mm/filemap.c:3640
 read_mapping_page include/linux/pagemap.h:791 [inline]
 dir_get_page fs/minix/dir.c:70 [inline]
 minix_empty_dir+0x131/0x510 fs/minix/dir.c:372
 minix_rename+0x20f/0x5c0 fs/minix/namei.c:219
 vfs_rename+0xd32/0x10f0 fs/namei.c:4876
 do_renameat2+0xde0/0x1440 fs/namei.c:5029
 __do_sys_renameat fs/namei.c:5069 [inline]
 __se_sys_renameat fs/namei.c:5066 [inline]
 __x64_sys_renameat+0xb8/0xd0 fs/namei.c:5066
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1440 [inline]
 free_pcp_prepare mm/page_alloc.c:1490 [inline]
 free_unref_page_prepare+0xf63/0x1120 mm/page_alloc.c:3358
 free_unref_page_list+0x663/0x900 mm/page_alloc.c:3499
 shrink_folio_list+0x846f/0x8f40 mm/vmscan.c:2096
 evict_folios+0xb42/0x2810 mm/vmscan.c:5039
 lru_gen_shrink_lruvec mm/vmscan.c:5223 [inline]
 shrink_lruvec+0xdbf/0x4650 mm/vmscan.c:5918

Memory state around the buggy address:
 ffff888032ad1f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff888032ad1f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff888032ad2000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                   ^
 ffff888032ad2080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff888032ad2100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================