(kworker/u4:28,4419,0):ocfs2_read_blocks_sync:112 ERROR: status = -12
(kworker/u4:28,4419,0):ocfs2_read_locked_inode:599 ERROR: status = -12
==================================================================
BUG: KASAN: use-after-free in ocfs2_check_dir_entry+0x3a0/0x480 fs/ocfs2/dir.c:318
Read of size 2 at addr ffff88801fd61780 by task kworker/u4:28/4419

CPU: 0 UID: 0 PID: 4419 Comm: kworker/u4:28 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
Workqueue: ocfs2_wq ocfs2_complete_recovery
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
 ocfs2_check_dir_entry+0x3a0/0x480 fs/ocfs2/dir.c:318
 ocfs2_dir_foreach_blk_id fs/ocfs2/dir.c:1826 [inline]
 ocfs2_dir_foreach_blk+0xfff/0x1420 fs/ocfs2/dir.c:1954
 ocfs2_dir_foreach+0x42/0x70 fs/ocfs2/dir.c:1965
 ocfs2_queue_orphans fs/ocfs2/journal.c:2215 [inline]
 ocfs2_recover_orphans fs/ocfs2/journal.c:2299 [inline]
 ocfs2_complete_recovery+0xc37/0x20b0 fs/ocfs2/journal.c:1366
 process_one_work kernel/workqueue.c:3257 [inline]
 process_scheduled_works+0xad1/0x1770 kernel/workqueue.c:3340
 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3421
 kthread+0x711/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x599/0xb30 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
 </TASK>

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xa3 pfn:0x1fd61
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 dead000000000100 dead000000000122 0000000000000000
raw: 00000000000000a3 0000000000000000 00000000ffffffff 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 0x152c4a(GFP_NOFS|__GFP_HIGHMEM|__GFP_MOVABLE|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL), pid 1, tgid 1 (init), ts 30567628020, free_ts 84438165526
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x234/0x290 mm/page_alloc.c:1846
 prep_new_page mm/page_alloc.c:1854 [inline]
 get_page_from_freelist+0x2365/0x2440 mm/page_alloc.c:3915
 __alloc_frozen_pages_noprof+0x181/0x370 mm/page_alloc.c:5210
 alloc_pages_mpol+0x232/0x4a0 mm/mempolicy.c:2486
 alloc_frozen_pages_noprof mm/mempolicy.c:2557 [inline]
 alloc_pages_noprof+0xa9/0x190 mm/mempolicy.c:2577
 folio_alloc_noprof+0x1e/0x30 mm/mempolicy.c:2587
 filemap_alloc_folio_noprof+0x112/0x490 mm/filemap.c:1013
 ractl_alloc_folio mm/readahead.c:189 [inline]
 page_cache_ra_unbounded+0x34f/0x990 mm/readahead.c:275
 filemap_readahead mm/filemap.c:2658 [inline]
 filemap_get_pages+0x7ff/0x1dc0 mm/filemap.c:2704
 filemap_read+0x3f6/0x11a0 mm/filemap.c:2800
 __kernel_read+0x4cf/0x960 fs/read_write.c:530
 integrity_kernel_read+0x89/0xd0 security/integrity/iint.c:28
 ima_calc_file_hash_tfm security/integrity/ima/ima_crypto.c:480 [inline]
 ima_calc_file_shash security/integrity/ima/ima_crypto.c:511 [inline]
 ima_calc_file_hash+0x85e/0x16f0 security/integrity/ima/ima_crypto.c:568
 ima_collect_measurement+0x428/0x8f0 security/integrity/ima/ima_api.c:293
 process_measurement+0x111e/0x1a70 security/integrity/ima/ima_main.c:406
 ima_file_check+0xd9/0x130 security/integrity/ima/ima_main.c:663
page last free pid 78 tgid 78 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1395 [inline]
 free_unref_folios+0xdb3/0x14f0 mm/page_alloc.c:3000
 shrink_folio_list+0x291c/0x4a10 mm/vmscan.c:1533
 evict_folios+0x471e/0x57c0 mm/vmscan.c:4709
 try_to_shrink_lruvec+0x8a3/0xb50 mm/vmscan.c:4872
 shrink_one+0x25c/0x720 mm/vmscan.c:4917
 shrink_many mm/vmscan.c:4980 [inline]
 lru_gen_shrink_node mm/vmscan.c:5058 [inline]
 shrink_node+0x2f7d/0x35b0 mm/vmscan.c:6045
 kswapd_shrink_node mm/vmscan.c:6899 [inline]
 balance_pgdat mm/vmscan.c:7082 [inline]
 kswapd+0x145a/0x2820 mm/vmscan.c:7352
 kthread+0x711/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x599/0xb30 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
page has been migrated, last migrate reason: compaction

Memory state around the buggy address:
 ffff88801fd61680: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff88801fd61700: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
>ffff88801fd61780: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                   ^
 ffff88801fd61800: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff88801fd61880: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================