------------[ cut here ]------------
kernel BUG at fs/ocfs2/suballoc.c:1443!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 12039 Comm: syz.0.1115 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:ocfs2_find_victim_chain fs/ocfs2/suballoc.c:1443 [inline]
RIP: 0010:ocfs2_claim_suballoc_bits+0x243c/0x2450 fs/ocfs2/suballoc.c:1996
Code: c2 fb ff ff e8 f5 82 18 fe 90 0f 0b e8 ed 82 18 fe 90 0f 0b e8 e5 82 18 fe 90 0f 0b e8 dd 82 18 fe 90 0f 0b e8 d5 82 18 fe 90 <0f> 0b e8 cd 82 18 fe 90 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 90 90
RSP: 0018:ffffc9000ed2ed80 EFLAGS: 00010287
RAX: ffffffff83a7233b RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc90010966000 RSI: 0000000000000abc RDI: 0000000000000abd
RBP: ffffc9000ed2f010 R08: ffffc9000ed2f0a0 R09: 0000000000000003
R10: 0000000000000005 R11: 0000000000000002 R12: ffff88807b23cb08
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff1100f647961
FS:  00007ff1c8c646c0(0000) GS:ffff888125d0f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd9fd786000 CR3: 0000000051c4a000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 __ocfs2_claim_clusters+0x303/0x8f0 fs/ocfs2/suballoc.c:2421
 ocfs2_claim_clusters fs/ocfs2/suballoc.c:2458 [inline]
 ocfs2_block_group_alloc_contig fs/ocfs2/suballoc.c:432 [inline]
 ocfs2_block_group_alloc fs/ocfs2/suballoc.c:699 [inline]
 ocfs2_reserve_suballoc_bits+0xf1e/0x4640 fs/ocfs2/suballoc.c:834
 ocfs2_reserve_new_metadata_blocks+0x403/0x940 fs/ocfs2/suballoc.c:984
 ocfs2_mknod+0xe08/0x2050 fs/ocfs2/namei.c:350
 ocfs2_mkdir+0x191/0x440 fs/ocfs2/namei.c:659
 vfs_mkdir+0x303/0x510 fs/namei.c:4366
 do_mkdirat+0x247/0x590 fs/namei.c:4399
 __do_sys_mkdirat fs/namei.c:4416 [inline]
 __se_sys_mkdirat fs/namei.c:4414 [inline]
 __x64_sys_mkdirat+0x87/0xa0 fs/namei.c:4414
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff1c7d8ebe9
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:00007ff1c8c64038 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007ff1c7fb5fa0 RCX: 00007ff1c7d8ebe9
RDX: 0000000000000000 RSI: 00002000000002c0 RDI: ffffffffffffff9c
RBP: 00007ff1c7e11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff1c7fb6038 R14: 00007ff1c7fb5fa0 R15: 00007ffdfaa16378
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ocfs2_find_victim_chain fs/ocfs2/suballoc.c:1443 [inline]
RIP: 0010:ocfs2_claim_suballoc_bits+0x243c/0x2450 fs/ocfs2/suballoc.c:1996
Code: c2 fb ff ff e8 f5 82 18 fe 90 0f 0b e8 ed 82 18 fe 90 0f 0b e8 e5 82 18 fe 90 0f 0b e8 dd 82 18 fe 90 0f 0b e8 d5 82 18 fe 90 <0f> 0b e8 cd 82 18 fe 90 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 90 90
RSP: 0018:ffffc9000ed2ed80 EFLAGS: 00010287
RAX: ffffffff83a7233b RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc90010966000 RSI: 0000000000000abc RDI: 0000000000000abd
RBP: ffffc9000ed2f010 R08: ffffc9000ed2f0a0 R09: 0000000000000003
R10: 0000000000000005 R11: 0000000000000002 R12: ffff88807b23cb08
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff1100f647961
FS:  00007ff1c8c646c0(0000) GS:ffff888125c0f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000051c4a000 CR4: 00000000003526f0