------------[ cut here ]------------
kernel BUG at fs/ocfs2/inode.c:356!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5329 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:ocfs2_populate_inode+0x162e/0x17a0 fs/ocfs2/inode.c:356
Code: fe e9 5b f7 ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 05 fa ff ff 4c 89 f7 e8 ed f1 6d fe e9 f8 f9 ff ff e8 a3 aa 01 fe 90 <0f> 0b e8 9b aa 01 fe 90 0f 0b e8 93 aa 01 fe 90 0f 0b 65 8b 1d 0d
RSP: 0018:ffffc9000de177a0 EFLAGS: 00010287
RAX: ffffffff83c4340d RBX: ffff88801aa5f860 RCX: 0000000000100000
RDX: ffffc90020001000 RSI: 00000000000003a8 RDI: 00000000000003a9
RBP: ffffc9000de178d0 R08: ffff8880008a8000 R09: 0000000000000002
R10: 0000000000006000 R11: 0000000000000002 R12: dffffc0000000000
R13: ffff888023e41400 R14: 00000000ffffffff R15: ffff888036de4000
FS:  00007f97f54636c0(0000) GS:ffff88808c81a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f97e847f000 CR3: 000000001201c000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 ocfs2_read_locked_inode fs/ocfs2/inode.c:620 [inline]
 ocfs2_iget+0xe22/0x1b50 fs/ocfs2/inode.c:157
 ocfs2_lookup+0x2ae/0xa20 fs/ocfs2/namei.c:128
 lookup_one_qstr_excl+0x12d/0x360 fs/namei.c:1805
 __start_dirop fs/namei.c:2916 [inline]
 start_dirop fs/namei.c:2938 [inline]
 filename_create+0x20e/0x370 fs/namei.c:4950
 filename_mkdirat+0xd2/0x510 fs/namei.c:5287
 __do_sys_mkdir fs/namei.c:5321 [inline]
 __se_sys_mkdir+0x34/0x150 fs/namei.c:5318
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f97f459c819
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:00007f97f5462fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007f97f4816090 RCX: 00007f97f459c819
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000000000
RBP: 00007f97f4632c91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f97f4816128 R14: 00007f97f4816090 R15: 00007fffae99b708
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ocfs2_populate_inode+0x162e/0x17a0 fs/ocfs2/inode.c:356
Code: fe e9 5b f7 ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 05 fa ff ff 4c 89 f7 e8 ed f1 6d fe e9 f8 f9 ff ff e8 a3 aa 01 fe 90 <0f> 0b e8 9b aa 01 fe 90 0f 0b e8 93 aa 01 fe 90 0f 0b 65 8b 1d 0d
RSP: 0018:ffffc9000de177a0 EFLAGS: 00010287
RAX: ffffffff83c4340d RBX: ffff88801aa5f860 RCX: 0000000000100000
RDX: ffffc90020001000 RSI: 00000000000003a8 RDI: 00000000000003a9
RBP: ffffc9000de178d0 R08: ffff8880008a8000 R09: 0000000000000002
R10: 0000000000006000 R11: 0000000000000002 R12: dffffc0000000000
R13: ffff888023e41400 R14: 00000000ffffffff R15: ffff888036de4000
FS:  00007f97f54636c0(0000) GS:ffff88808c81a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f97e847f000 CR3: 000000001201c000 CR4: 0000000000352ef0