loop0: detected capacity change from 0 to 32768
=======================================================
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.
=======================================================
ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode.
------------[ cut here ]------------
kernel BUG at fs/ocfs2/suballoc.c:1441!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5315 Comm: syz.0.0 Not tainted 6.15.0-rc5-syzkaller-00022-g01f95500a162 #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:ocfs2_find_victim_chain fs/ocfs2/suballoc.c:1441 [inline]
RIP: 0010:ocfs2_claim_suballoc_bits+0x21d9/0x2310 fs/ocfs2/suballoc.c:1982
Code: 38 fb ff ff e8 48 49 1e fe 90 0f 0b e8 40 49 1e fe 90 0f 0b e8 38 49 1e fe 90 0f 0b e8 30 49 1e fe 90 0f 0b e8 28 49 1e fe 90 <0f> 0b e8 20 49 1e fe 90 0f 0b f3 0f 1e fa 4d 89 f4 65 8b 1d f3 c8
RSP: 0018:ffffc9000d2ddba0 EFLAGS: 00010283
RAX: ffffffff83a18728 RBX: 0000000000000000 RCX: 0000000000100000
RDX: ffffc9000de7a000 RSI: 0000000000001122 RDI: 0000000000001123
RBP: ffffc9000d2dde30 R08: ffffc9000d2ddec0 R09: 0000000000000000
R10: ffffc9000d2ddec0 R11: fffff52001a5bbdd R12: ffff888053592e00
R13: ffff8880118d5588 R14: 0000000000000255 R15: dffffc0000000000
FS:  00007ff032df06c0(0000) GS:ffff88808d6cb000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff025e1f000 CR3: 00000000367de000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __ocfs2_claim_clusters+0x307/0x910 fs/ocfs2/suballoc.c:2395
 ocfs2_claim_clusters fs/ocfs2/suballoc.c:2432 [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/0x45f0 fs/ocfs2/suballoc.c:832
 ocfs2_reserve_new_metadata_blocks+0x403/0x940 fs/ocfs2/suballoc.c:982
 ocfs2_expand_inline_dir fs/ocfs2/dir.c:2837 [inline]
 ocfs2_extend_dir+0xc76/0x4870 fs/ocfs2/dir.c:3199
 ocfs2_prepare_dir_for_insert+0x2fe8/0x5450 fs/ocfs2/dir.c:4304
 ocfs2_mknod+0x819/0x2050 fs/ocfs2/namei.c:294
 ocfs2_create+0x1a5/0x440 fs/ocfs2/namei.c:673
 lookup_open fs/namei.c:3701 [inline]
 open_last_lookups fs/namei.c:3800 [inline]
 path_openat+0x14f1/0x3830 fs/namei.c:4036
 do_filp_open+0x1fa/0x410 fs/namei.c:4066
 do_sys_openat2+0x121/0x1c0 fs/open.c:1429
 do_sys_open fs/open.c:1444 [inline]
 __do_sys_creat fs/open.c:1522 [inline]
 __se_sys_creat fs/open.c:1516 [inline]
 __x64_sys_creat+0x8f/0xc0 fs/open.c:1516
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff031f8e969
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:00007ff032df0038 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007ff0321b5fa0 RCX: 00007ff031f8e969
RDX: 0000000000000000 RSI: 0000000000000010 RDI: 0000200000000100
RBP: 00007ff032010ab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007ff0321b5fa0 R15: 00007ffeafcf6768
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ocfs2_find_victim_chain fs/ocfs2/suballoc.c:1441 [inline]
RIP: 0010:ocfs2_claim_suballoc_bits+0x21d9/0x2310 fs/ocfs2/suballoc.c:1982
Code: 38 fb ff ff e8 48 49 1e fe 90 0f 0b e8 40 49 1e fe 90 0f 0b e8 38 49 1e fe 90 0f 0b e8 30 49 1e fe 90 0f 0b e8 28 49 1e fe 90 <0f> 0b e8 20 49 1e fe 90 0f 0b f3 0f 1e fa 4d 89 f4 65 8b 1d f3 c8
RSP: 0018:ffffc9000d2ddba0 EFLAGS: 00010283
RAX: ffffffff83a18728 RBX: 0000000000000000 RCX: 0000000000100000
RDX: ffffc9000de7a000 RSI: 0000000000001122 RDI: 0000000000001123
RBP: ffffc9000d2dde30 R08: ffffc9000d2ddec0 R09: 0000000000000000
R10: ffffc9000d2ddec0 R11: fffff52001a5bbdd R12: ffff888053592e00
R13: ffff8880118d5588 R14: 0000000000000255 R15: dffffc0000000000
FS:  00007ff032df06c0(0000) GS:ffff88808d6cb000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff032dcefc8 CR3: 00000000367de000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400