loop1: detected capacity change from 0 to 32768
ocfs2: Mounting device (7,1) on (node local, slot 0) with ordered data mode.
------------[ cut here ]------------
kernel BUG at fs/ocfs2/suballoc.c:1443!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 13276 Comm: syz.1.1338 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
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 05 47 16 fe 90 0f 0b e8 fd 46 16 fe 90 0f 0b e8 f5 46 16 fe 90 0f 0b e8 ed 46 16 fe 90 0f 0b e8 e5 46 16 fe 90 <0f> 0b e8 dd 46 16 fe 90 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 90 90
RSP: 0018:ffffc9000bcedb80 EFLAGS: 00010283
RAX: ffffffff83a9748b RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc900116b2000 RSI: 000000000000146c RDI: 000000000000146d
RBP: ffffc9000bcede10 R08: ffffc9000bcedea0 R09: 0000000000000003
R10: 0000000000000005 R11: 0000000000000002 R12: ffff88814c21c488
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff11029843891
FS:  00007f22384a86c0(0000) GS:ffff888125ae8000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055557b3a5808 CR3: 000000007e4ba000 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_expand_inline_dir fs/ocfs2/dir.c:2845 [inline]
 ocfs2_extend_dir+0xc76/0x4870 fs/ocfs2/dir.c:3207
 ocfs2_prepare_dir_for_insert+0x2fe8/0x5450 fs/ocfs2/dir.c:4312
 ocfs2_mknod+0x819/0x2050 fs/ocfs2/namei.c:297
 ocfs2_create+0x1a5/0x440 fs/ocfs2/namei.c:676
 lookup_open fs/namei.c:3716 [inline]
 open_last_lookups fs/namei.c:3815 [inline]
 path_openat+0x14f4/0x3830 fs/namei.c:4051
 do_filp_open+0x1fa/0x410 fs/namei.c:4081
 do_sys_openat2+0x121/0x1c0 fs/open.c:1435
 do_sys_open fs/open.c:1450 [inline]
 __do_sys_creat fs/open.c:1528 [inline]
 __se_sys_creat fs/open.c:1522 [inline]
 __x64_sys_creat+0x8f/0xc0 fs/open.c:1522
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f223758eba9
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:00007f22384a8038 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007f22377d5fa0 RCX: 00007f223758eba9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000000580
RBP: 00007f2237611e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f22377d6038 R14: 00007f22377d5fa0 R15: 00007ffc04d0ee48
 </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 05 47 16 fe 90 0f 0b e8 fd 46 16 fe 90 0f 0b e8 f5 46 16 fe 90 0f 0b e8 ed 46 16 fe 90 0f 0b e8 e5 46 16 fe 90 <0f> 0b e8 dd 46 16 fe 90 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 90 90
RSP: 0018:ffffc9000bcedb80 EFLAGS: 00010283
RAX: ffffffff83a9748b RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc900116b2000 RSI: 000000000000146c RDI: 000000000000146d
RBP: ffffc9000bcede10 R08: ffffc9000bcedea0 R09: 0000000000000003
R10: 0000000000000005 R11: 0000000000000002 R12: ffff88814c21c488
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff11029843891
FS:  00007f22384a86c0(0000) GS:ffff888125ae8000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055557b3a5808 CR3: 000000007e4ba000 CR4: 00000000003526f0