loop0: detected capacity change from 0 to 32768
JBD2: Ignoring recovery information on journal
ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode.
loop0: detected capacity change from 32768 to 0
(syz.0.0,5304,0):ocfs2_find_entry_id:421 ERROR: status = -5
VFS_BUG_ON_INODE(!S_ISDIR(inode->i_mode)): inode:ffff88801f8ea460 fs:ocfs2 mode:100000 opflags:0x2 flags:0x20 state:0x0 count:2
------------[ cut here ]------------
kernel BUG at fs/namei.c:687!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5304 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:lookup_inode_permission_may_exec fs/namei.c:687 [inline]
RIP: 0010:may_lookup fs/namei.c:1961 [inline]
RIP: 0010:link_path_walk+0x1904/0x1910 fs/namei.c:2604
Code: e8 81 6a 03 00 90 0f 0b e8 19 36 76 ff 45 89 fc e9 54 fd ff ff e8 0c 36 76 ff 4c 89 e7 48 c7 c6 40 d4 1f 8c e8 5d 6a 03 00 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc9000f44fa20 EFLAGS: 00010246
RAX: 1a5caa4d0619c600 RBX: ffffc9000f44fc58 RCX: 1a5caa4d0619c600
RDX: ffffc9000ebe2000 RSI: 0000000000000812 RDI: 0000000000000813
RBP: 0000000000008000 R08: ffffc9000f44f607 R09: 1ffff92001e89ec0
R10: dffffc0000000000 R11: fffff52001e89ec1 R12: ffff88801f8ea460
R13: ffffc9000f44fc70 R14: 0000000000008000 R15: ffff888050f37018
FS:  00007f37e258a6c0(0000) GS:ffff88808c30a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbc42bee0f5 CR3: 00000000437ab000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 path_lookupat+0xe4/0x8c0 fs/namei.c:2812
 filename_lookup+0x265/0x5d0 fs/namei.c:2842
 user_path_at+0x40/0x160 fs/namei.c:3641
 do_mount fs/namespace.c:4178 [inline]
 __do_sys_mount fs/namespace.c:4397 [inline]
 __se_sys_mount+0x2dc/0x420 fs/namespace.c:4374
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f37e179e159
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:00007f37e2589fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f37e1a25fa0 RCX: 00007f37e179e159
RDX: 0000200000000600 RSI: 0000200000000500 RDI: 0000000000000000
RBP: 00007f37e1835024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f37e1a26038 R14: 00007f37e1a25fa0 R15: 00007ffce0e0a388
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:lookup_inode_permission_may_exec fs/namei.c:687 [inline]
RIP: 0010:may_lookup fs/namei.c:1961 [inline]
RIP: 0010:link_path_walk+0x1904/0x1910 fs/namei.c:2604
Code: e8 81 6a 03 00 90 0f 0b e8 19 36 76 ff 45 89 fc e9 54 fd ff ff e8 0c 36 76 ff 4c 89 e7 48 c7 c6 40 d4 1f 8c e8 5d 6a 03 00 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc9000f44fa20 EFLAGS: 00010246
RAX: 1a5caa4d0619c600 RBX: ffffc9000f44fc58 RCX: 1a5caa4d0619c600
RDX: ffffc9000ebe2000 RSI: 0000000000000812 RDI: 0000000000000813
RBP: 0000000000008000 R08: ffffc9000f44f607 R09: 1ffff92001e89ec0
R10: dffffc0000000000 R11: fffff52001e89ec1 R12: ffff88801f8ea460
R13: ffffc9000f44fc70 R14: 0000000000008000 R15: ffff888050f37018
FS:  00007f37e258a6c0(0000) GS:ffff88808c30a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe62db5f52 CR3: 00000000437ab000 CR4: 0000000000352ef0