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kernel BUG at fs/ocfs2/aops.c:1159!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 8395 Comm: syz.1.593 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 70 9f 9f 8d ba 6a 04 00 00 48 c7 c1 00 51 ca 8b e8 c8 52 1b 00 90 0f 0b e8 50 79 26 fe 90 <0f> 0b e8 48 79 26 fe 90 0f 0b e8 40 79 26 fe 90 0f 0b e8 38 79 26
RSP: 0018:ffffc900044069a0 EFLAGS: 00010246
RAX: ffffffff83993440 RBX: ffff88811de32014 RCX: 0000000000080000
RDX: ffffc90020a51000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: ffffc90004406cd0 R08: ffff88803a514123 R09: 1ffff110074a2824
R10: dffffc0000000000 R11: ffffed10074a2825 R12: ffff888110db0000
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88811de32014
FS:  00007fdbbd8966c0(0000) GS:ffff8880b8613000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1e7a16bfc8 CR3: 000000003c5f6000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 ocfs2_write_begin_nolock+0x31a3/0x4340
 ocfs2_dio_wr_get_block+0xb6f/0x1770
 __blockdev_direct_IO+0x16ff/0x3490
 ocfs2_direct_IO+0x25f/0x2d0
 generic_file_direct_write+0x1db/0x3e0
 __generic_file_write_iter+0x11d/0x230
 ocfs2_file_write_iter+0x157a/0x1d10
 vfs_write+0x5c9/0xb30
 ksys_write+0x145/0x250
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fdbbc98ec29
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:00007fdbbd896038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fdbbcbd6180 RCX: 00007fdbbc98ec29
RDX: 0000000000806000 RSI: 0000200000000200 RDI: 000000000000000b
RBP: 00007fdbbca11e41 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fdbbcbd6218 R14: 00007fdbbcbd6180 R15: 00007ffcdc7b7078
 </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 70 9f 9f 8d ba 6a 04 00 00 48 c7 c1 00 51 ca 8b e8 c8 52 1b 00 90 0f 0b e8 50 79 26 fe 90 <0f> 0b e8 48 79 26 fe 90 0f 0b e8 40 79 26 fe 90 0f 0b e8 38 79 26
RSP: 0018:ffffc900044069a0 EFLAGS: 00010246
RAX: ffffffff83993440 RBX: ffff88811de32014 RCX: 0000000000080000
RDX: ffffc90020a51000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: ffffc90004406cd0 R08: ffff88803a514123 R09: 1ffff110074a2824
R10: dffffc0000000000 R11: ffffed10074a2825 R12: ffff888110db0000
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88811de32014
FS:  00007fdbbd8966c0(0000) GS:ffff8880b8613000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1e7a16bfc8 CR3: 000000003c5f6000 CR4: 00000000000006f0
