(syz.7.425,8152,0):ocfs2_mknod:302 ERROR: status = -2
(syz.7.425,8152,0):ocfs2_mknod:506 ERROR: status = -2
(syz.7.425,8152,0):ocfs2_create:679 ERROR: status = -2
------------[ cut here ]------------
kernel BUG at fs/ocfs2/uptodate.c:509!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 8152 Comm: syz.7.425 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 83 12 6a fe 4d 8b 1e 48 89 df 5b 41 5c 41 5d 41 5e 41 5f 5d 2e e9 4d 16 bc 07 e8 88 09 03 fe 90 <0f> 0b e8 80 09 03 fe 90 0f 0b e8 78 09 03 fe 90 0f 0b e8 70 09 03
RSP: 0018:ffffc900031e7908 EFLAGS: 00010283
RAX: ffffffff83bf8fd8 RBX: ffff88801f15b3b0 RCX: 0000000000080000
RDX: ffffc90007001000 RSI: 0000000000000753 RDI: 0000000000000754
RBP: 0000000000000001 R08: ffffffff8fcef077 R09: 1ffffffff1f9de0e
R10: dffffc0000000000 R11: fffffbfff1f9de0f R12: 1ffff11036f447d8
R13: 1000000000000000 R14: ffff8881190c2ae0 R15: 0000000000000000
FS:  00007f637eddc6c0(0000) GS:ffff88818e326000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055da86c61a18 CR3: 000000011a108000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 ocfs2_group_add+0x33f/0x19f0
 ocfs2_ioctl+0x620/0x7e0
 __se_sys_ioctl+0xfc/0x170
 do_syscall_64+0xe2/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f637df9acb9
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:00007f637eddc028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f637e215fa0 RCX: 00007f637df9acb9
RDX: 00002000000000c0 RSI: 0000000040186f03 RDI: 0000000000000004
RBP: 00007f637e008bf7 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f637e216038 R14: 00007f637e215fa0 R15: 00007ffcd4044cc8
 </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 83 12 6a fe 4d 8b 1e 48 89 df 5b 41 5c 41 5d 41 5e 41 5f 5d 2e e9 4d 16 bc 07 e8 88 09 03 fe 90 <0f> 0b e8 80 09 03 fe 90 0f 0b e8 78 09 03 fe 90 0f 0b e8 70 09 03
RSP: 0018:ffffc900031e7908 EFLAGS: 00010283
RAX: ffffffff83bf8fd8 RBX: ffff88801f15b3b0 RCX: 0000000000080000
RDX: ffffc90007001000 RSI: 0000000000000753 RDI: 0000000000000754
RBP: 0000000000000001 R08: ffffffff8fcef077 R09: 1ffffffff1f9de0e
R10: dffffc0000000000 R11: fffffbfff1f9de0f R12: 1ffff11036f447d8
R13: 1000000000000000 R14: ffff8881190c2ae0 R15: 0000000000000000
FS:  00007f637eddc6c0(0000) GS:ffff8882a9926000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000560596f94668 CR3: 000000011a108000 CR4: 00000000000006f0
