debugfs: 'B1DE653C5FFC4D88B33B244AAB9EB3E9' already exists in 'ocfs2'
ocfs2: Mounting device (7,5) on (node local, slot 0) with writeback data mode.
iommufd_mock iommufd_mock0: Adding to iommu group 0
------------[ cut here ]------------
kernel BUG at fs/ocfs2/aops.c:1159!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 9106 Comm: syz.5.472 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:ocfs2_write_cluster_by_desc+0x1cc1/0x1cf0
Code: 03 48 8d bc 24 10 02 00 00 48 c7 c6 51 e2 74 8d ba 6a 04 00 00 48 c7 c1 40 e5 aa 8b e8 28 51 1b 00 90 0f 0b e8 f0 a4 20 fe 90 <0f> 0b e8 e8 a4 20 fe 90 0f 0b e8 e0 a4 20 fe 90 0f 0b e8 d8 a4 20
RSP: 0018:ffffc900049d6e60 EFLAGS: 00010287
RAX: ffffffff839f7470 RBX: ffff888113432014 RCX: 0000000000080000
RDX: ffffc900215b2000 RSI: 0000000000000a73 RDI: 0000000000000a74
RBP: ffffc900049d7190 R08: ffff888118ce15a3 R09: 1ffff1102319c2b4
R10: dffffc0000000000 R11: ffffed102319c2b5 R12: ffff88816d70c000
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff888113432014
FS:  00007fefef6be6c0(0000) GS:ffff8882a9f36000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fefe44ff000 CR3: 000000010a3de000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 ocfs2_write_begin_nolock+0x31a3/0x4340
 ocfs2_write_begin+0x1bb/0x310
 generic_perform_write+0x2c5/0x900
 ocfs2_file_write_iter+0x157a/0x1d10
 vfs_write+0x5c9/0xb30
 __x64_sys_pwrite64+0x193/0x220
 do_syscall_64+0xfa/0xfa0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fefee78f749
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:00007fefef6be038 EFLAGS: 00000246 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007fefee9e5fa0 RCX: 00007fefee78f749
RDX: 00000000200000c1 RSI: 00002000000000c0 RDI: 0000000000000008
RBP: 00007fefee813f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000001200 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fefee9e6038 R14: 00007fefee9e5fa0 R15: 00007ffd03ca5088
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ocfs2_write_cluster_by_desc+0x1cc1/0x1cf0
Code: 03 48 8d bc 24 10 02 00 00 48 c7 c6 51 e2 74 8d ba 6a 04 00 00 48 c7 c1 40 e5 aa 8b e8 28 51 1b 00 90 0f 0b e8 f0 a4 20 fe 90 <0f> 0b e8 e8 a4 20 fe 90 0f 0b e8 e0 a4 20 fe 90 0f 0b e8 d8 a4 20
RSP: 0018:ffffc900049d6e60 EFLAGS: 00010287
RAX: ffffffff839f7470 RBX: ffff888113432014 RCX: 0000000000080000
RDX: ffffc900215b2000 RSI: 0000000000000a73 RDI: 0000000000000a74
RBP: ffffc900049d7190 R08: ffff888118ce15a3 R09: 1ffff1102319c2b4
R10: dffffc0000000000 R11: ffffed102319c2b5 R12: ffff88816d70c000
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff888113432014
FS:  00007fefef6be6c0(0000) GS:ffff88818eb36000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffcfae67ff8 CR3: 000000010a3de000 CR4: 00000000000006f0
