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 writeback data mode.
loop0: detected capacity change from 32768 to 0
(syz.0.0,5320,0):ocfs2_find_entry_id:421 ERROR: status = -5
VFS_BUG_ON_INODE(!S_ISDIR(inode->i_mode)): inode:ffff888043dd2460 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: 5320 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:ffffc9000f5af9f8 EFLAGS: 00010246
RAX: 6ca96378ab300500 RBX: ffffc9000f5afc58 RCX: 6ca96378ab300500
RDX: ffffc9000ec52000 RSI: 0000000000000839 RDI: 000000000000083a
RBP: 0000000000008000 R08: ffffc9000f5af5e7 R09: 1ffff92001eb5ebc
R10: dffffc0000000000 R11: fffff52001eb5ebd R12: ffff888043dd2460
R13: ffffc9000f5afc70 R14: 0000000000008000 R15: ffff888012f62d18
FS:  00007fe3715896c0(0000) GS:ffff88808c30a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f329f9a32b0 CR3: 0000000043a85000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 path_openat+0x1c9/0x1d60 fs/namei.c:4996
 do_file_open+0x23e/0x4a0 fs/namei.c:5029
 do_sys_openat2+0x115/0x200 fs/open.c:1417
 do_sys_open fs/open.c:1423 [inline]
 __do_sys_open fs/open.c:1431 [inline]
 __se_sys_open fs/open.c:1427 [inline]
 __x64_sys_open+0x11e/0x150 fs/open.c:1427
 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: 0033:0x7fe37079e0d9
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:00007fe371588fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007fe370a25fa0 RCX: 00007fe37079e0d9
RDX: 0000000000000000 RSI: 0000000000060142 RDI: 0000200000000000
RBP: 00007fe370835024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fe370a26038 R14: 00007fe370a25fa0 R15: 00007ffd245e7e48
 </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:ffffc9000f5af9f8 EFLAGS: 00010246
RAX: 6ca96378ab300500 RBX: ffffc9000f5afc58 RCX: 6ca96378ab300500
RDX: ffffc9000ec52000 RSI: 0000000000000839 RDI: 000000000000083a
RBP: 0000000000008000 R08: ffffc9000f5af5e7 R09: 1ffff92001eb5ebc
R10: dffffc0000000000 R11: fffff52001eb5ebd R12: ffff888043dd2460
R13: ffffc9000f5afc70 R14: 0000000000008000 R15: ffff888012f62d18
FS:  00007fe3715896c0(0000) GS:ffff88808c30a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe36cbd3fe8 CR3: 0000000043a85000 CR4: 0000000000352ef0