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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: 8215 Comm: syz.0.294 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+0x1db4/0x1de0
Code: 00 48 c7 c6 87 69 b2 8d ba 6a 04 00 00 48 c7 c1 00 4c d1 8b e8 dd 39 1c 00 48 8b 04 24 c6 40 1e f8 90 0f 0b e8 dd 04 19 fe 90 <0f> 0b e8 d5 04 19 fe 90 0f 0b e8 cd 04 19 fe 90 0f 0b e8 c5 04 19
RSP: 0018:ffffc90003bf6520 EFLAGS: 00010246
RAX: ffffffff83a99433 RBX: ffff888116ad6014 RCX: 0000000000080000
RDX: ffffc900273f7000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: ffffc90003bf6850 R08: ffff8880118eeca3 R09: 1ffff1100231dd94
R10: dffffc0000000000 R11: ffffed100231dd95 R12: ffff88816cf58000
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff888116ad6014
FS:  00007f8ee32736c0(0000) GS:ffff88818e328000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f72b8da9000 CR3: 00000001ba0b4000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 ocfs2_write_begin_nolock+0x3305/0x4140
 ocfs2_dio_wr_get_block+0xbbf/0x1800
 __blockdev_direct_IO+0x15d7/0x32f0
 ocfs2_direct_IO+0x251/0x2c0
 generic_file_direct_write+0x1db/0x3e0
 __generic_file_write_iter+0x11d/0x230
 ocfs2_file_write_iter+0x1663/0x1e20
 iter_file_splice_write+0x99b/0x1100
 direct_splice_actor+0x101/0x160
 splice_direct_to_actor+0x53a/0xc70
 do_splice_direct+0x195/0x290
 do_sendfile+0x535/0x7c0
 __se_sys_sendfile64+0x144/0x1a0
 do_syscall_64+0xe2/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8ee239acb9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f8ee3273028 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f8ee2615fa0 RCX: 00007f8ee239acb9
RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000005
RBP: 00007f8ee2408bf7 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000020fffe82 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f8ee2616038 R14: 00007f8ee2615fa0 R15: 00007ffc4c921e68
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ocfs2_write_cluster_by_desc+0x1db4/0x1de0
Code: 00 48 c7 c6 87 69 b2 8d ba 6a 04 00 00 48 c7 c1 00 4c d1 8b e8 dd 39 1c 00 48 8b 04 24 c6 40 1e f8 90 0f 0b e8 dd 04 19 fe 90 <0f> 0b e8 d5 04 19 fe 90 0f 0b e8 cd 04 19 fe 90 0f 0b e8 c5 04 19
RSP: 0018:ffffc90003bf6520 EFLAGS: 00010246
RAX: ffffffff83a99433 RBX: ffff888116ad6014 RCX: 0000000000080000
RDX: ffffc900273f7000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: ffffc90003bf6850 R08: ffff8880118eeca3 R09: 1ffff1100231dd94
R10: dffffc0000000000 R11: ffffed100231dd95 R12: ffff88816cf58000
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff888116ad6014
FS:  00007f8ee32736c0(0000) GS:ffff8882a9928000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f99c4014108 CR3: 00000001ba0b4000 CR4: 00000000000006f0
