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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: 12882 Comm: syz.6.1202 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:ffffc90002d7e520 EFLAGS: 00010287
RAX: ffffffff83993440 RBX: ffff8880215d6014 RCX: 0000000000080000
RDX: ffffc90024291000 RSI: 000000000006aeb3 RDI: 000000000006aeb4
RBP: ffffc90002d7e850 R08: ffff88803839eca3 R09: 1ffff11007073d94
R10: dffffc0000000000 R11: ffffed1007073d95 R12: ffff888011cdc000
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8880215d6014
FS:  00007f64346836c0(0000) GS:ffff8880b8613000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055774f97e000 CR3: 00000001200e0000 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
 iter_file_splice_write+0x975/0x10e0
 direct_splice_actor+0x101/0x160
 splice_direct_to_actor+0x5a8/0xcc0
 do_splice_direct+0x181/0x270
 do_sendfile+0x4da/0x7e0
 __se_sys_sendfile64+0x13e/0x190
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f643378ec29
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:00007f6434683038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f64339d5fa0 RCX: 00007f643378ec29
RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000007
RBP: 00007f6433811e41 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000fffe82 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f64339d6038 R14: 00007f64339d5fa0 R15: 00007ffe4bc3fb38
 </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:ffffc90002d7e520 EFLAGS: 00010287
RAX: ffffffff83993440 RBX: ffff8880215d6014 RCX: 0000000000080000
RDX: ffffc90024291000 RSI: 000000000006aeb3 RDI: 000000000006aeb4
RBP: ffffc90002d7e850 R08: ffff88803839eca3 R09: 1ffff11007073d94
R10: dffffc0000000000 R11: ffffed1007073d95 R12: ffff888011cdc000
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8880215d6014
FS:  00007f64346836c0(0000) GS:ffff8880b8613000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f75ac10f580 CR3: 00000001200e0000 CR4: 00000000000006f0
