------------[ cut here ]------------
kernel BUG at fs/ocfs2/aops.c:1159!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 7695 Comm: syz.4.196 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 b1 ad bd 8d ba 6a 04 00 00 48 c7 c1 40 75 ea 8b e8 58 51 1b 00 90 0f 0b e8 30 bf 23 fe 90 <0f> 0b e8 28 bf 23 fe 90 0f 0b e8 20 bf 23 fe 90 0f 0b e8 18 bf 23
RSP: 0018:ffffc9000664ef00 EFLAGS: 00010293
RAX: ffffffff839c9210 RBX: ffff888124f36014 RCX: ffff888106b6ba00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000664f230 R08: ffff8881149fa423 R09: 1ffff1102293f484
R10: dffffc0000000000 R11: ffffed102293f485 R12: ffff888109944000
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff888124f36014
FS:  000055556d398500(0000) GS:ffff8881a3a0a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000020000000a000 CR3: 0000000112dac000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 ocfs2_write_begin_nolock+0x31a3/0x4340
 ocfs2_page_mkwrite+0x600/0xc40
 do_page_mkwrite+0x14d/0x310
 do_wp_page+0x268d/0x5800
 __handle_mm_fault+0x1033/0x5400
 handle_mm_fault+0x40a/0x8e0
 do_user_addr_fault+0x764/0x1380
 exc_page_fault+0x82/0x100
 asm_exc_page_fault+0x26/0x30
RIP: 0033:0x7f1174f58918
Code: 10 8a 0e 74 0a 0f b7 74 16 fe 66 89 74 17 fe 88 0f c3 8b 4c 16 fc 8b 36 89 4c 17 fc 89 37 c3 0f 1f 00 48 8b 4c 16 f8 48 8b 36 <48> 89 37 48 89 4c 17 f8 c3 0f 10 54 16 f0 0f 10 5c 16 e0 0f 11 07
RSP: 002b:00007ffe62fde6c8 EFLAGS: 00010246
RAX: 0000200000002200 RBX: 0000000000000004 RCX: 0031656c69662f2e
RDX: 0000000000000008 RSI: 0031656c69662f2e RDI: 0000200000002200
RBP: 00007f11751d7da0 R08: 0000001b2d520000 R09: 0000000000000001
R10: 0000000000000001 R11: 0000000000000009 R12: 00007f11751d5fac
R13: 00007ffe62fde7c0 R14: fffffffffffffffe R15: 00007ffe62fde7e0
 </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 b1 ad bd 8d ba 6a 04 00 00 48 c7 c1 40 75 ea 8b e8 58 51 1b 00 90 0f 0b e8 30 bf 23 fe 90 <0f> 0b e8 28 bf 23 fe 90 0f 0b e8 20 bf 23 fe 90 0f 0b e8 18 bf 23
RSP: 0018:ffffc9000664ef00 EFLAGS: 00010293
RAX: ffffffff839c9210 RBX: ffff888124f36014 RCX: ffff888106b6ba00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000664f230 R08: ffff8881149fa423 R09: 1ffff1102293f484
R10: dffffc0000000000 R11: ffffed102293f485 R12: ffff888109944000
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff888124f36014
FS:  000055556d398500(0000) GS:ffff8880b840a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c377715 CR3: 0000000112dac000 CR4: 00000000000006f0
