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kernel BUG at fs/ocfs2/aops.c:1159!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 7400 Comm: syz.6.196 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+0x1db4/0x1de0
Code: 00 48 c7 c6 0d cd f4 8d ba 6a 04 00 00 48 c7 c1 20 f1 11 8c e8 dd fd 1c 00 48 8b 04 24 c6 40 1e f8 90 0f 0b e8 dd 79 0b fe 90 <0f> 0b e8 d5 79 0b fe 90 0f 0b e8 cd 79 0b fe 90 0f 0b e8 c5 79 0b
RSP: 0018:ffffc90005616520 EFLAGS: 00010246
RAX: ffffffff83ba3513 RBX: ffff88810dd42014 RCX: 0000000000080000
RDX: ffffc90025814000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: ffffc90005616850 R08: ffff888023b65e23 R09: 1ffff1100476cbc4
R10: dffffc0000000000 R11: ffffed100476cbc5 R12: ffff888108d7c000
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88810dd42014
FS:  00007f71d49936c0(0000) GS:ffff8882a9457000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055e50f6ca7b8 CR3: 00000001bcaf6000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 ocfs2_write_begin_nolock+0x3316/0x41e0
 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+0x1663/0x1ed0
 iter_file_splice_write+0x9a1/0x10f0
 direct_splice_actor+0x101/0x160
 splice_direct_to_actor+0x53a/0xc70
 do_splice_direct+0x195/0x290
 do_sendfile+0x535/0x7d0
 __se_sys_sendfile64+0x144/0x1a0
 do_syscall_64+0x14d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f71d3b9cdd9
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:00007f71d4993028 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f71d3e15fa0 RCX: 00007f71d3b9cdd9
RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000000000006
RBP: 00007f71d3c32d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000020fffe82 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f71d3e16038 R14: 00007f71d3e15fa0 R15: 00007ffd3c194268
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ocfs2_write_cluster_by_desc+0x1db4/0x1de0
Code: 00 48 c7 c6 0d cd f4 8d ba 6a 04 00 00 48 c7 c1 20 f1 11 8c e8 dd fd 1c 00 48 8b 04 24 c6 40 1e f8 90 0f 0b e8 dd 79 0b fe 90 <0f> 0b e8 d5 79 0b fe 90 0f 0b e8 cd 79 0b fe 90 0f 0b e8 c5 79 0b
RSP: 0018:ffffc90005616520 EFLAGS: 00010246
RAX: ffffffff83ba3513 RBX: ffff88810dd42014 RCX: 0000000000080000
RDX: ffffc90025814000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: ffffc90005616850 R08: ffff888023b65e23 R09: 1ffff1100476cbc4
R10: dffffc0000000000 R11: ffffed100476cbc5 R12: ffff888108d7c000
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88810dd42014
FS:  00007f71d49936c0(0000) GS:ffff8882a9457000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6249073440 CR3: 00000001bcaf6000 CR4: 00000000000006f0
