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.
9p: Unknown Cache mode or invalid value fsc˝šache
------------[ cut here ]------------
kernel BUG at fs/ocfs2/aops.c:1158!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5313 Comm: syz.0.0 Not tainted 6.15.0-rc5-syzkaller-00043-gd76bb1ebb558 #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_write_cluster fs/ocfs2/aops.c:1158 [inline]
RIP: 0010:ocfs2_write_cluster_by_desc+0x1c6c/0x1c90 fs/ocfs2/aops.c:1218
Code: 03 48 8d bc 24 10 02 00 00 48 c7 c6 ff a4 78 8d ba 69 04 00 00 48 c7 c1 c0 c5 a9 8b e8 ad 3b 1b 00 90 0f 0b e8 75 75 2c fe 90 <0f> 0b e8 6d 75 2c fe 90 0f 0b e8 65 75 2c fe 90 0f 0b e8 5d 75 2c
RSP: 0018:ffffc9000f4f6d00 EFLAGS: 00010283
RAX: ffffffff83935adb RBX: ffff88801d2a6014 RCX: 0000000000100000
RDX: ffffc9000dc4a000 RSI: 00000000000009f1 RDI: 00000000000009f2
RBP: ffffc9000f4f7030 R08: ffff888052504023 R09: 1ffff1100a4a0804
R10: dffffc0000000000 R11: ffffed100a4a0805 R12: ffff8880116ec000
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88801d2a6014
FS:  00007fd7490b46c0(0000) GS:ffff88808d6cb000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000020000000c380 CR3: 0000000040054000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ocfs2_write_begin_nolock+0x31a3/0x4340 fs/ocfs2/aops.c:1795
 ocfs2_write_begin+0x1bb/0x310 fs/ocfs2/aops.c:1882
 generic_perform_write+0x2c4/0x910 mm/filemap.c:4103
 ocfs2_file_write_iter+0x157a/0x1d10 fs/ocfs2/file.c:2469
 do_iter_readv_writev+0x56b/0x7f0 fs/read_write.c:-1
 vfs_writev+0x306/0x9a0 fs/read_write.c:1055
 do_writev+0x14d/0x2d0 fs/read_write.c:1101
 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: 0033:0x7fd74818e969
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:00007fd7490b4038 EFLAGS: 00000246 ORIG_RAX: 0000000000000014
RAX: ffffffffffffffda RBX: 00007fd7483b5fa0 RCX: 00007fd74818e969
RDX: 0000000000000002 RSI: 0000200000000000 RDI: 0000000000000009
RBP: 00007fd748210ab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fd7483b5fa0 R15: 00007ffc7874b2e8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ocfs2_write_cluster fs/ocfs2/aops.c:1158 [inline]
RIP: 0010:ocfs2_write_cluster_by_desc+0x1c6c/0x1c90 fs/ocfs2/aops.c:1218
Code: 03 48 8d bc 24 10 02 00 00 48 c7 c6 ff a4 78 8d ba 69 04 00 00 48 c7 c1 c0 c5 a9 8b e8 ad 3b 1b 00 90 0f 0b e8 75 75 2c fe 90 <0f> 0b e8 6d 75 2c fe 90 0f 0b e8 65 75 2c fe 90 0f 0b e8 5d 75 2c
RSP: 0018:ffffc9000f4f6d00 EFLAGS: 00010283
RAX: ffffffff83935adb RBX: ffff88801d2a6014 RCX: 0000000000100000
RDX: ffffc9000dc4a000 RSI: 00000000000009f1 RDI: 00000000000009f2
RBP: ffffc9000f4f7030 R08: ffff888052504023 R09: 1ffff1100a4a0804
R10: dffffc0000000000 R11: ffffed100a4a0805 R12: ffff8880116ec000
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88801d2a6014
FS:  00007fd7490b46c0(0000) GS:ffff88808d6cb000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd749091fb8 CR3: 0000000040054000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400