(syz-executor,4184,1):ocfs2_check_dir_entry:325 ERROR: bad entry in directory #65: rec_len is smaller than minimal - offset=0, inode=0, rec_len=0, name_len=0
------------[ cut here ]------------
kernel BUG at fs/ocfs2/alloc.c:6010!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 4184 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:__ocfs2_flush_truncate_log+0xf37/0x1060 fs/ocfs2/alloc.c:6010
Code: 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 23 fc ff ff 4c 89 f7 e8 5a a7 aa fe e9 16 fc ff ff e8 d0 3e 66 fe 0f 0b e8 c9 3e 66 fe <0f> 0b 65 8b 1d 08 88 f0 7c bf 07 00 00 00 89 de e8 14 42 66 fe 83
RSP: 0018:ffffc9000310f920 EFLAGS: 00010293
RAX: ffffffff83118d47 RBX: ffff88805aeb3a00 RCX: ffff888028751dc0
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
RBP: ffffc9000310fb38 R08: dffffc0000000000 R09: fffff52000621f0d
R10: fffff52000621f0d R11: 1ffff92000621f0c R12: 00000000ffffffff
R13: ffff88806027ddf8 R14: ffff888079718000 R15: ffff88806052dc00
FS:  0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000020000000a000 CR3: 0000000057860000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ocfs2_flush_truncate_log+0x4b/0x60 fs/ocfs2/alloc.c:6075
 ocfs2_sync_fs+0x113/0x310 fs/ocfs2/super.c:403
 sync_filesystem+0x1be/0x220 fs/sync.c:66
 generic_shutdown_super+0x6b/0x300 fs/super.c:448
 kill_block_super+0x7c/0xe0 fs/super.c:1427
 deactivate_locked_super+0x93/0xf0 fs/super.c:335
 cleanup_mnt+0x418/0x4d0 fs/namespace.c:1148
 task_work_run+0x125/0x1a0 kernel/task_work.c:188
 exit_task_work include/linux/task_work.h:33 [inline]
 do_exit+0x61e/0x20a0 kernel/exit.c:883
 do_group_exit+0x12e/0x300 kernel/exit.c:997
 __do_sys_exit_group kernel/exit.c:1008 [inline]
 __se_sys_exit_group kernel/exit.c:1006 [inline]
 __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1006
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f2b71519749
Code: Unable to access opcode bytes at RIP 0x7f2b7151971f.
RSP: 002b:00007ffd52d96608 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f2b7159ddef RCX: 00007f2b71519749
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: 0000000000000010 R08: 00007ffd52d943a6 R09: 00007ffd52d978c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd52d978c0
R13: 00007f2b7159dd7d R14: 000055557e7cf4a8 R15: 00007ffd52d98990
 </TASK>
Modules linked in:
---[ end trace d441b0f9128cdf61 ]---
RIP: 0010:__ocfs2_flush_truncate_log+0xf37/0x1060 fs/ocfs2/alloc.c:6010
Code: 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 23 fc ff ff 4c 89 f7 e8 5a a7 aa fe e9 16 fc ff ff e8 d0 3e 66 fe 0f 0b e8 c9 3e 66 fe <0f> 0b 65 8b 1d 08 88 f0 7c bf 07 00 00 00 89 de e8 14 42 66 fe 83
RSP: 0018:ffffc9000310f920 EFLAGS: 00010293
RAX: ffffffff83118d47 RBX: ffff88805aeb3a00 RCX: ffff888028751dc0
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
RBP: ffffc9000310fb38 R08: dffffc0000000000 R09: fffff52000621f0d
R10: fffff52000621f0d R11: 1ffff92000621f0c R12: 00000000ffffffff
R13: ffff88806027ddf8 R14: ffff888079718000 R15: ffff88806052dc00
FS:  0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055557f4945c8 CR3: 0000000057860000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400