vhci_hcd vhci_hcd.0: pdev(0) rhport(0) sockfd(5)
vhci_hcd vhci_hcd.0: devid(0) speed(5) speed_str(super-speed)
vhci_hcd vhci_hcd.0: Device attached
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/aops.c:1159!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5326 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 35 ad 82 8d ba 6a 04 00 00 48 c7 c1 c0 f4 aa 8b e8 18 51 1b 00 90 0f 0b e8 b0 34 20 fe 90 <0f> 0b e8 a8 34 20 fe 90 0f 0b e8 a0 34 20 fe 90 0f 0b e8 98 34 20
RSP: 0018:ffffc900019be740 EFLAGS: 00010283
RAX: ffffffff839f6ef0 RBX: ffff888011456014 RCX: 0000000000100000
RDX: ffffc9000e25a000 RSI: 000000000000146f RDI: 0000000000001470
RBP: ffffc900019bea70 R08: ffff888043374023 R09: 1ffff1100866e804
R10: dffffc0000000000 R11: ffffed100866e805 R12: ffff88803ebcc000
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff888011456014
FS:  00007fb5488856c0(0000) GS:ffff88808d306000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb543bf5000 CR3: 00000000119d8000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 ocfs2_write_begin_nolock+0x31a3/0x4340 fs/ocfs2/aops.c:1796
 ocfs2_dio_wr_get_block+0xb6f/0x1770 fs/ocfs2/aops.c:2214
 get_more_blocks fs/direct-io.c:648 [inline]
 do_direct_IO fs/direct-io.c:936 [inline]
 __blockdev_direct_IO+0x16ff/0x3490 fs/direct-io.c:1243
 ocfs2_direct_IO+0x25f/0x2d0 fs/ocfs2/aops.c:2441
 generic_file_direct_write+0x1d8/0x3e0 mm/filemap.c:4176
 __generic_file_write_iter+0x11d/0x230 mm/filemap.c:4345
 ocfs2_file_write_iter+0x157a/0x1d10 fs/ocfs2/file.c:2469
 aio_write+0x532/0x7a0 fs/aio.c:1634
 __io_submit_one fs/aio.c:-1 [inline]
 io_submit_one+0x78b/0x1310 fs/aio.c:2053
 __do_sys_io_submit fs/aio.c:2112 [inline]
 __se_sys_io_submit+0x185/0x2f0 fs/aio.c:2082
 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: 0033:0x7fb54798eec9
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:00007fb548885038 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
RAX: ffffffffffffffda RBX: 00007fb547be5fa0 RCX: 00007fb54798eec9
RDX: 0000200000000540 RSI: 000000000000003b RDI: 00007fb543bf5000
RBP: 00007fb547a11f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb547be6038 R14: 00007fb547be5fa0 R15: 00007fff8e3a2048
 </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 35 ad 82 8d ba 6a 04 00 00 48 c7 c1 c0 f4 aa 8b e8 18 51 1b 00 90 0f 0b e8 b0 34 20 fe 90 <0f> 0b e8 a8 34 20 fe 90 0f 0b e8 a0 34 20 fe 90 0f 0b e8 98 34 20
RSP: 0018:ffffc900019be740 EFLAGS: 00010283
RAX: ffffffff839f6ef0 RBX: ffff888011456014 RCX: 0000000000100000
RDX: ffffc9000e25a000 RSI: 000000000000146f RDI: 0000000000001470
RBP: ffffc900019bea70 R08: ffff888043374023 R09: 1ffff1100866e804
R10: dffffc0000000000 R11: ffffed100866e805 R12: ffff88803ebcc000
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff888011456014
FS:  00007fb5488856c0(0000) GS:ffff88808d306000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055cfd4b1d168 CR3: 00000000119d8000 CR4: 0000000000352ef0