WARNING: The mand mount option has been deprecated and
         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 (7,2) on (node local, slot 0) with ordered data mode.
------------[ cut here ]------------
kernel BUG at fs/ocfs2/suballoc.c:1349!
invalid opcode: 0000 [#1] PREEMPT SMP
CPU: 0 PID: 4627 Comm: syz.2.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:ocfs2_block_group_set_bits+0x1b9/0x220 fs/ocfs2/suballoc.c:1349
Code: 93 83 ba 51 05 00 00 48 c7 c1 a3 52 97 83 e8 de 1d 04 00 eb a1 0f 0b e9 c1 fe ff ff 0f 0b e9 d3 fe ff ff e8 39 a1 43 01 0f 0b <0f> 0b f3 0f 1e fa 4d 89 f4 65 8b 05 93 c2 71 7e 83 f8 08 73 4d 89
RSP: 0018:ffffc9000268b930 EFLAGS: 00010212
RAX: 0000000000000003 RBX: 0000000000000040 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff839613dd RDI: ffff88810bde6000
RBP: 0000000000000255 R08: 0000000000000255 R09: 0000000000000040
R10: 0000000000000009 R11: 0000000000000008 R12: ffff88810bde6000
R13: ffff88810eadcd38 R14: ffff88810ea7d930 R15: ffff88810bde6000
FS:  00007f88bff7a6c0(0000) GS:ffff88813bc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa4d0785000 CR3: 00000001193f8000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 ocfs2_search_chain+0x936/0xb60 fs/ocfs2/suballoc.c:1847
 ocfs2_claim_suballoc_bits+0x417/0x9b0 fs/ocfs2/suballoc.c:1930
 __ocfs2_claim_clusters+0x105/0x280 fs/ocfs2/suballoc.c:2338
 ocfs2_claim_clusters fs/ocfs2/suballoc.c:2375 [inline]
 ocfs2_block_group_alloc_contig fs/ocfs2/suballoc.c:428 [inline]
 ocfs2_block_group_alloc fs/ocfs2/suballoc.c:695 [inline]
 ocfs2_reserve_suballoc_bits+0x4f6/0x1520 fs/ocfs2/suballoc.c:828
 ocfs2_reserve_new_metadata_blocks+0x107/0x310 fs/ocfs2/suballoc.c:978
 ocfs2_reserve_new_metadata fs/ocfs2/suballoc.c:1021 [inline]
 ocfs2_lock_allocators+0x93/0x200 fs/ocfs2/suballoc.c:2658
 ocfs2_extend_allocation+0x1b4/0x910 fs/ocfs2/file.c:589
 ocfs2_allocate_unwritten_extents+0xd5/0x2d0 fs/ocfs2/file.c:1495
 __ocfs2_change_file_space+0x3e2/0x600 fs/ocfs2/file.c:2022
 ocfs2_fallocate+0xd1/0x100 fs/ocfs2/file.c:2137
 vfs_fallocate+0x1a5/0x1d0 fs/open.c:324
 ksys_fallocate fs/open.c:347 [inline]
 __do_sys_fallocate fs/open.c:355 [inline]
 __se_sys_fallocate fs/open.c:353 [inline]
 __x64_sys_fallocate+0x41/0x70 fs/open.c:353
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f88bf18ebe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007f88bff7a038 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007f88bf3c5fa0 RCX: 00007f88bf18ebe9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007f88bf211e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000008000c62 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f88bf3c6038 R14: 00007f88bf3c5fa0 R15: 00007fff1c68d268
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ocfs2_block_group_set_bits+0x1b9/0x220 fs/ocfs2/suballoc.c:1349
Code: 93 83 ba 51 05 00 00 48 c7 c1 a3 52 97 83 e8 de 1d 04 00 eb a1 0f 0b e9 c1 fe ff ff 0f 0b e9 d3 fe ff ff e8 39 a1 43 01 0f 0b <0f> 0b f3 0f 1e fa 4d 89 f4 65 8b 05 93 c2 71 7e 83 f8 08 73 4d 89
RSP: 0018:ffffc9000268b930 EFLAGS: 00010212
RAX: 0000000000000003 RBX: 0000000000000040 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff839613dd RDI: ffff88810bde6000
RBP: 0000000000000255 R08: 0000000000000255 R09: 0000000000000040
R10: 0000000000000009 R11: 0000000000000008 R12: ffff88810bde6000
R13: ffff88810eadcd38 R14: ffff88810ea7d930 R15: ffff88810bde6000
FS:  00007f88bff7a6c0(0000) GS:ffff88813bd00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31f63fff CR3: 00000001193f8000 CR4: 00000000003506e0