and is ignored by this kernel. Remove the mand
         option from the mount to silence this warning.
=======================================================
JBD2: Ignoring recovery information on journal
ocfs2: Mounting device (7,3) on (node local, slot 0) with ordered data mode.
------------[ cut here ]------------
UBSAN: array-index-out-of-bounds in fs/ocfs2/suballoc.c:380:22
index 0 is out of range for type 'struct ocfs2_chain_rec[] __counted_by(cl_count)' (aka 'struct ocfs2_chain_rec[]')
CPU: 1 UID: 0 PID: 3725 Comm: syz.3.17 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0xa2/0xf0 lib/dump_stack.c:120
 ubsan_epilogue+0x5/0x30 lib/ubsan.c:233
 __ubsan_handle_out_of_bounds+0xa2/0xc0 lib/ubsan.c:455
 ocfs2_block_group_fill+0x316/0x320 fs/ocfs2/suballoc.c:380
 ocfs2_block_group_alloc_contig fs/ocfs2/suballoc.c:454 [inline]
 ocfs2_block_group_alloc fs/ocfs2/suballoc.c:699 [inline]
 ocfs2_reserve_suballoc_bits+0x63a/0x17b0 fs/ocfs2/suballoc.c:834
 ocfs2_reserve_new_metadata_blocks+0x106/0x320 fs/ocfs2/suballoc.c:984
 ocfs2_expand_inline_dir fs/ocfs2/dir.c:2845 [inline]
 ocfs2_extend_dir+0x7eb/0x1da0 fs/ocfs2/dir.c:3207
 ocfs2_prepare_dir_for_insert+0x142d/0x22e0 fs/ocfs2/dir.c:4312
 ocfs2_mknod+0x295/0xf50 fs/ocfs2/namei.c:297
 ocfs2_mkdir+0x66/0x160 fs/ocfs2/namei.c:659
 vfs_mkdir+0xc8/0x170 fs/namei.c:4453
 do_mkdirat+0xaf/0x250 fs/namei.c:4486
 __do_sys_mkdirat fs/namei.c:4503 [inline]
 __se_sys_mkdirat fs/namei.c:4501 [inline]
 __x64_sys_mkdirat+0x27/0x40 fs/namei.c:4501
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x8f/0x250 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f245af8d617
Code: 73 01 c3 48 c7 c1 a8 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 02 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f245be6ae68 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007f245be6aef0 RCX: 00007f245af8d617
RDX: 00000000000001ff RSI: 0000200000000680 RDI: 00000000ffffff9c
RBP: 0000200000000080 R08: 0000200000000140 R09: 0000000000000000
R10: 0000200000000080 R11: 0000000000000246 R12: 0000200000000680
R13: 00007f245be6aeb0 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
---[ end trace ]---