------------[ cut here ]------------
kernel BUG at fs/ocfs2/uptodate.c:509!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 8921 Comm: syz.4.352 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_set_new_buffer_uptodate+0x149/0x170
Code: 80 3c 20 00 74 08 4c 89 f7 e8 c3 7b 73 fe 4d 8b 1e 48 89 df 5b 41 5c 41 5d 41 5e 41 5f 5d 2e e9 3d 63 8a 07 e8 b8 fa 0f fe 90 <0f> 0b e8 b0 fa 0f fe 90 0f 0b e8 a8 fa 0f fe 90 0f 0b e8 a0 fa 0f
RSP: 0018:ffffc90001c1e5a8 EFLAGS: 00010287
RAX: ffffffff83ae1b68 RBX: ffff88811d17a530 RCX: 0000000000080000
RDX: ffffc9002cffe000 RSI: 000000000000090e RDI: 000000000000090f
RBP: 0000000000000001 R08: ffffffff8f5cac37 R09: 1ffffffff1eb9586
R10: dffffc0000000000 R11: fffffbfff1eb9587 R12: 1ffff92000383ce8
R13: dffffc0000000000 R14: ffff888112f50910 R15: ffff888112f50910
FS:  00007f64ebf656c0(0000) GS:ffff8880b8d7e000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055b92383a950 CR3: 000000002a25e000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 ocfs2_extend_dir+0x1172/0x4870
 ocfs2_prepare_dir_for_insert+0x3d7b/0x5450
 ocfs2_mknod+0x819/0x2050
 ocfs2_create+0x1a5/0x440
 path_openat+0x14f4/0x3830
 do_filp_open+0x1fa/0x410
 do_sys_openat2+0x121/0x1c0
 __x64_sys_openat+0x138/0x170
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f64eb18ec29
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:00007f64ebf65038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f64eb3d5fa0 RCX: 00007f64eb18ec29
RDX: 0000000000000441 RSI: 0000200000000180 RDI: ffffffffffffff9c
RBP: 00007f64eb211e41 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000020 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f64eb3d6038 R14: 00007f64eb3d5fa0 R15: 00007ffe0fa557d8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ocfs2_set_new_buffer_uptodate+0x149/0x170
Code: 80 3c 20 00 74 08 4c 89 f7 e8 c3 7b 73 fe 4d 8b 1e 48 89 df 5b 41 5c 41 5d 41 5e 41 5f 5d 2e e9 3d 63 8a 07 e8 b8 fa 0f fe 90 <0f> 0b e8 b0 fa 0f fe 90 0f 0b e8 a8 fa 0f fe 90 0f 0b e8 a0 fa 0f
RSP: 0018:ffffc90001c1e5a8 EFLAGS: 00010287
RAX: ffffffff83ae1b68 RBX: ffff88811d17a530 RCX: 0000000000080000
RDX: ffffc9002cffe000 RSI: 000000000000090e RDI: 000000000000090f
RBP: 0000000000000001 R08: ffffffff8f5cac37 R09: 1ffffffff1eb9586
R10: dffffc0000000000 R11: fffffbfff1eb9587 R12: 1ffff92000383ce8
R13: dffffc0000000000 R14: ffff888112f50910 R15: ffff888112f50910
FS:  00007f64ebf656c0(0000) GS:ffff8880b8d7e000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f64ebf44d58 CR3: 000000002a25e000 CR4: 00000000000006f0
