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.
(syz.0.0,5322,0):ocfs2_get_clusters:616 ERROR: status = -34
(syz.0.0,5322,0):ocfs2_reflink_remap_extent:4525 ERROR: status = -34
(syz.0.0,5322,0):ocfs2_reflink_remap_blocks:4684 ERROR: status = -34
(syz.0.0,5322,0):ocfs2_remap_file_range:2747 ERROR: status = -34
------------[ cut here ]------------
kernel BUG at fs/ocfs2/aops.c:1159!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5322 Comm: syz.0.0 Not tainted syzkaller #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:1159 [inline]
RIP: 0010:ocfs2_write_cluster_by_desc+0x1cc1/0x1cf0 fs/ocfs2/aops.c:1219
Code: 03 48 8d bc 24 10 02 00 00 48 c7 c6 78 f5 74 8d ba 6a 04 00 00 48 c7 c1 40 ee aa 8b e8 28 51 1b 00 90 0f 0b e8 10 fd 1f fe 90 <0f> 0b e8 08 fd 1f fe 90 0f 0b e8 00 fd 1f fe 90 0f 0b e8 f8 fc 1f
RSP: 0018:ffffc9000d4fe960 EFLAGS: 00010287
RAX: ffffffff83a01920 RBX: ffff88801ebc2014 RCX: 0000000000100000
RDX: ffffc9000de5a000 RSI: 000000000000364d RDI: 000000000000364e
RBP: ffffc9000d4fec90 R08: ffff888050d5ce63 R09: 1ffff1100a1ab9cc
R10: dffffc0000000000 R11: ffffed100a1ab9cd R12: ffff888041110000
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88801ebc2014
FS:  00007f45bbd4c6c0(0000) GS:ffff88808d732000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f45bb1e0be0 CR3: 0000000041393000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 ocfs2_write_begin_nolock+0x31a3/0x4340 fs/ocfs2/aops.c:1796
 ocfs2_write_begin+0x1bb/0x310 fs/ocfs2/aops.c:1884
 generic_perform_write+0x2c5/0x900 mm/filemap.c:4242
 ocfs2_file_write_iter+0x157a/0x1d10 fs/ocfs2/file.c:2469
 iter_file_splice_write+0x975/0x10e0 fs/splice.c:738
 do_splice_from fs/splice.c:938 [inline]
 direct_splice_actor+0x101/0x160 fs/splice.c:1161
 splice_direct_to_actor+0x5a8/0xcc0 fs/splice.c:1105
 do_splice_direct_actor fs/splice.c:1204 [inline]
 do_splice_direct+0x181/0x270 fs/splice.c:1230
 vfs_copy_file_range+0xb03/0x1370 fs/read_write.c:1632
 __do_sys_copy_file_range fs/read_write.c:1681 [inline]
 __se_sys_copy_file_range+0x2fb/0x470 fs/read_write.c:1648
 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: 0033:0x7f45baf8f6c9
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:00007f45bbd4c038 EFLAGS: 00000246 ORIG_RAX: 0000000000000146
RAX: ffffffffffffffda RBX: 00007f45bb1e5fa0 RCX: 00007f45baf8f6c9
RDX: 0000000000000006 RSI: 0000000000000000 RDI: 0000000000000007
RBP: 00007f45bb011f91 R08: 0000000000000006 R09: 0000000000000000
R10: 00002000000000c0 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f45bb1e6038 R14: 00007f45bb1e5fa0 R15: 00007ffedff24d48
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ocfs2_write_cluster fs/ocfs2/aops.c:1159 [inline]
RIP: 0010:ocfs2_write_cluster_by_desc+0x1cc1/0x1cf0 fs/ocfs2/aops.c:1219
Code: 03 48 8d bc 24 10 02 00 00 48 c7 c6 78 f5 74 8d ba 6a 04 00 00 48 c7 c1 40 ee aa 8b e8 28 51 1b 00 90 0f 0b e8 10 fd 1f fe 90 <0f> 0b e8 08 fd 1f fe 90 0f 0b e8 00 fd 1f fe 90 0f 0b e8 f8 fc 1f
RSP: 0018:ffffc9000d4fe960 EFLAGS: 00010287
RAX: ffffffff83a01920 RBX: ffff88801ebc2014 RCX: 0000000000100000
RDX: ffffc9000de5a000 RSI: 000000000000364d RDI: 000000000000364e
RBP: ffffc9000d4fec90 R08: ffff888050d5ce63 R09: 1ffff1100a1ab9cc
R10: dffffc0000000000 R11: ffffed100a1ab9cd R12: ffff888041110000
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88801ebc2014
FS:  00007f45bbd4c6c0(0000) GS:ffff88808d732000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055ac86505168 CR3: 0000000041393000 CR4: 0000000000352ef0