loop0: detected capacity change from 32768 to 64
(syz.0.0,5327,0):ocfs2_read_blocks:235 ERROR: status = -12
(syz.0.0,5327,0):ocfs2_find_entry_dx:1057 ERROR: status = -12
VFS_BUG_ON_INODE(!S_ISDIR(inode->i_mode)): inode:ffff8880481d2460 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: 5327 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 a1 69 03 00 90 0f 0b e8 c9 bc 7c ff 45 89 fc e9 54 fd ff ff e8 bc bc 7c ff 4c 89 e7 48 c7 c6 80 83 de 8b e8 7d 69 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:ffffc9000f9c7a60 EFLAGS: 00010246
RAX: a0179fa2c731c800 RBX: ffffc9000f9c7c98 RCX: a0179fa2c731c800
RDX: ffffc90020802000 RSI: 00000000000007f6 RDI: 00000000000007f7
RBP: 0000000000008000 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1cfd210 R12: ffff8880481d2460
R13: ffffc9000f9c7cb0 R14: 0000000000008000 R15: ffff8880379ad818
FS:  00007fb3d805a6c0(0000) GS:ffff88808c886000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f19516217a0 CR3: 0000000012c38000 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
 ksys_umount fs/namespace.c:2067 [inline]
 __do_sys_umount fs/namespace.c:2075 [inline]
 __se_sys_umount fs/namespace.c:2073 [inline]
 __x64_sys_umount+0xf6/0x170 fs/namespace.c:2073
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb3d719ce59
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:00007fb3d8059fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: ffffffffffffffda RBX: 00007fb3d7416180 RCX: 00007fb3d719ce59
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000200000000040
RBP: 00007fb3d7232d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb3d7416218 R14: 00007fb3d7416180 R15: 00007ffe5e8f29f8
 </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 a1 69 03 00 90 0f 0b e8 c9 bc 7c ff 45 89 fc e9 54 fd ff ff e8 bc bc 7c ff 4c 89 e7 48 c7 c6 80 83 de 8b e8 7d 69 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:ffffc9000f9c7a60 EFLAGS: 00010246
RAX: a0179fa2c731c800 RBX: ffffc9000f9c7c98 RCX: a0179fa2c731c800
RDX: ffffc90020802000 RSI: 00000000000007f6 RDI: 00000000000007f7
RBP: 0000000000008000 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1cfd210 R12: ffff8880481d2460
R13: ffffc9000f9c7cb0 R14: 0000000000008000 R15: ffff8880379ad818
FS:  00007fb3d805a6c0(0000) GS:ffff88808c886000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb3d8038fe8 CR3: 0000000012c38000 CR4: 0000000000352ef0