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 writeback data mode.
------------[ cut here ]------------
kernel BUG at fs/ocfs2/uptodate.c:509!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5320 Comm: syz.0.0 Not tainted 6.16.0-rc3-syzkaller-00044-g7595b66ae9de #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_set_new_buffer_uptodate+0x149/0x170 fs/ocfs2/uptodate.c:509
Code: 80 3c 20 00 74 08 4c 89 f7 e8 33 8a 76 fe 4d 8b 1e 48 89 df 5b 41 5c 41 5d 41 5e 41 5f 5d 2e e9 91 bf 52 1c e8 48 07 13 fe 90 <0f> 0b e8 40 07 13 fe 90 0f 0b e8 38 07 13 fe 90 0f 0b e8 30 07 13
RSP: 0018:ffffc9000d34e5a8 EFLAGS: 00010287
RAX: ffffffff83ad45d8 RBX: ffff8880433c8830 RCX: 0000000000100000
RDX: ffffc9000dd1a000 RSI: 0000000000000758 RDI: 0000000000000759
RBP: 0000000000000001 R08: ffffffff8fa10bf7 R09: 1ffffffff1f4217e
R10: dffffc0000000000 R11: fffffbfff1f4217f R12: 1ffff92001a69ce8
R13: dffffc0000000000 R14: ffff888045415d98 R15: ffff888045415d98
FS:  00007f61bb69d6c0(0000) GS:ffff88808d251000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f61ae61f000 CR3: 00000000436e9000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ocfs2_extend_dir+0x1172/0x4870 fs/ocfs2/dir.c:3301
 ocfs2_prepare_dx_dir_for_insert fs/ocfs2/dir.c:4224 [inline]
 ocfs2_prepare_dir_for_insert+0x3d7b/0x5450 fs/ocfs2/dir.c:4280
 ocfs2_mknod+0x819/0x2050 fs/ocfs2/namei.c:294
 ocfs2_create+0x1a5/0x440 fs/ocfs2/namei.c:673
 lookup_open fs/namei.c:3717 [inline]
 open_last_lookups fs/namei.c:3816 [inline]
 path_openat+0x14f1/0x3830 fs/namei.c:4052
 do_filp_open+0x1fa/0x410 fs/namei.c:4082
 do_sys_openat2+0x121/0x1c0 fs/open.c:1437
 do_sys_open fs/open.c:1452 [inline]
 __do_sys_openat fs/open.c:1468 [inline]
 __se_sys_openat fs/open.c:1463 [inline]
 __x64_sys_openat+0x138/0x170 fs/open.c:1463
 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: 0033:0x7f61ba78e929
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:00007f61bb69d038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f61ba9b5fa0 RCX: 00007f61ba78e929
RDX: 000000000000275a RSI: 00002000000001c0 RDI: ffffffffffffff9c
RBP: 00007f61ba810b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f61ba9b5fa0 R15: 00007ffc77f6e778
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ocfs2_set_new_buffer_uptodate+0x149/0x170 fs/ocfs2/uptodate.c:509
Code: 80 3c 20 00 74 08 4c 89 f7 e8 33 8a 76 fe 4d 8b 1e 48 89 df 5b 41 5c 41 5d 41 5e 41 5f 5d 2e e9 91 bf 52 1c e8 48 07 13 fe 90 <0f> 0b e8 40 07 13 fe 90 0f 0b e8 38 07 13 fe 90 0f 0b e8 30 07 13
RSP: 0018:ffffc9000d34e5a8 EFLAGS: 00010287
RAX: ffffffff83ad45d8 RBX: ffff8880433c8830 RCX: 0000000000100000
RDX: ffffc9000dd1a000 RSI: 0000000000000758 RDI: 0000000000000759
RBP: 0000000000000001 R08: ffffffff8fa10bf7 R09: 1ffffffff1f4217e
R10: dffffc0000000000 R11: fffffbfff1f4217f R12: 1ffff92001a69ce8
R13: dffffc0000000000 R14: ffff888045415d98 R15: ffff888045415d98
FS:  00007f61bb69d6c0(0000) GS:ffff88808d251000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f61ae61f000 CR3: 00000000436e9000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400