==================================================================
BUG: KASAN: use-after-free in ocfs2_match fs/ocfs2/dir.c:334 [inline]
BUG: KASAN: use-after-free in ocfs2_search_dirblock+0x22c/0x7c0 fs/ocfs2/dir.c:367
Read of size 1 at addr ffff0000f31788cb by task syz.1.63/6874

CPU: 0 UID: 0 PID: 6874 Comm: syz.1.63 Not tainted 6.13.0-rc3-syzkaller-g573067a5a685 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call trace:
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:466 (C)
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:120
 print_address_description mm/kasan/report.c:378 [inline]
 print_report+0x198/0x538 mm/kasan/report.c:489
 kasan_report+0xd8/0x138 mm/kasan/report.c:602
 __asan_report_load1_noabort+0x20/0x2c mm/kasan/report_generic.c:378
 ocfs2_match fs/ocfs2/dir.c:334 [inline]
 ocfs2_search_dirblock+0x22c/0x7c0 fs/ocfs2/dir.c:367
 ocfs2_find_entry_id fs/ocfs2/dir.c:414 [inline]
 ocfs2_find_entry+0xe48/0x243c fs/ocfs2/dir.c:1078
 ocfs2_find_files_on_disk+0x11c/0x3e8 fs/ocfs2/dir.c:1981
 ocfs2_lookup_ino_from_name+0xb8/0x1d4 fs/ocfs2/dir.c:2003
 ocfs2_lookup+0x28c/0xb34 fs/ocfs2/namei.c:122
 lookup_one_qstr_excl+0x108/0x230 fs/namei.c:1692
 filename_create+0x230/0x468 fs/namei.c:4081
 do_symlinkat+0xc0/0x45c fs/namei.c:4688
 __do_sys_symlinkat fs/namei.c:4711 [inline]
 __se_sys_symlinkat fs/namei.c:4708 [inline]
 __arm64_sys_symlinkat+0x9c/0xb4 fs/namei.c:4708
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744
 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xa8a pfn:0x133178
flags: 0x5ffc00000000000(node=0|zone=2|lastcpupid=0x7ff)
raw: 05ffc00000000000 fffffdffc3cbabc8 fffffdffc3cc5e48 0000000000000000
raw: 0000000000000a8a 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff0000f3178780: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff0000f3178800: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
>ffff0000f3178880: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                                              ^
 ffff0000f3178900: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff0000f3178980: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================
(syz.1.63,6874,0):ocfs2_check_dir_entry:325 ERROR: bad entry in directory #65: rec_len % 4 != 0 - offset=312, inode=13845347915746889, rec_len=25793, name_len=214
(syz.1.63,6874,0):ocfs2_prepare_dir_for_insert:4277 ERROR: status = -2
(syz.1.63,6874,0):ocfs2_symlink:1877 ERROR: status = -2
(syz.1.63,6874,0):ocfs2_symlink:2078 ERROR: status = -2