(syz-executor,4697,1):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:6002!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 4697 Comm: syz-executor Not tainted 5.15.179-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:__ocfs2_flush_truncate_log+0x1077/0x11c0 fs/ocfs2/alloc.c:6002
Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 8a fb ff ff 48 89 df e8 1a f5 8f fe e9 7d fb ff ff e8 60 02 46 fe 0f 0b e8 59 02 46 fe <0f> 0b 65 44 8b 2d e7 7a c7 7c bf 07 00 00 00 44 89 ee e8 a2 05 46
RSP: 0018:ffffc900031cf8e0 EFLAGS: 00010293
RAX: ffffffff833a9a67 RBX: 00000000ffffffff RCX: ffff88802c7fbb80
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
RBP: ffffc900031cfaf0 R08: ffffffff833a8bbe R09: fffff52000639f05
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc900031cfa00
R13: ffff88805f885df8 R14: ffff8880627d4a00 R15: ffff88807d254c00
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffee311dcb8 CR3: 000000002b4da000 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:6067
 ocfs2_sync_fs+0x121/0x380 fs/ocfs2/super.c:403
 sync_filesystem+0x1bc/0x220 fs/sync.c:66
 generic_shutdown_super+0x6b/0x310 fs/super.c:448
 kill_block_super+0x7a/0xe0 fs/super.c:1427
 deactivate_locked_super+0xa0/0x110 fs/super.c:335
 cleanup_mnt+0x44e/0x500 fs/namespace.c:1143
 task_work_run+0x129/0x1a0 kernel/task_work.c:188
 exit_task_work include/linux/task_work.h:33 [inline]
 do_exit+0x6a3/0x2480 kernel/exit.c:874
 do_group_exit+0x144/0x310 kernel/exit.c:996
 __do_sys_exit_group kernel/exit.c:1007 [inline]
 __se_sys_exit_group kernel/exit.c:1005 [inline]
 __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1005
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fc58f983169
Code: Unable to access opcode bytes at RIP 0x7fc58f98313f.
RSP: 002b:00007ffee3120338 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007fc58fa040fe RCX: 00007fc58f983169
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: 0000000000000010 R08: 00007ffee311e0d6 R09: 00007ffee31215f0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffee31215f0
R13: 00007fc58fa0408c R14: 00005555579954a8 R15: 00007ffee31226c0
 </TASK>
Modules linked in:
---[ end trace 8b65dd2e6821eb17 ]---
RIP: 0010:__ocfs2_flush_truncate_log+0x1077/0x11c0 fs/ocfs2/alloc.c:6002
Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 8a fb ff ff 48 89 df e8 1a f5 8f fe e9 7d fb ff ff e8 60 02 46 fe 0f 0b e8 59 02 46 fe <0f> 0b 65 44 8b 2d e7 7a c7 7c bf 07 00 00 00 44 89 ee e8 a2 05 46
RSP: 0018:ffffc900031cf8e0 EFLAGS: 00010293
RAX: ffffffff833a9a67 RBX: 00000000ffffffff RCX: ffff88802c7fbb80
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
RBP: ffffc900031cfaf0 R08: ffffffff833a8bbe R09: fffff52000639f05
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc900031cfa00
R13: ffff88805f885df8 R14: ffff8880627d4a00 R15: ffff88807d254c00
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f440b882723 CR3: 00000000759d1000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400