loop0: detected capacity change from 0 to 32768
=======================================================
WARNING: The mand mount option has been deprecated and
         and is ignored by this kernel. Remove the mand
         option from the mount to silence this warning.
=======================================================
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 32767
VFS_BUG_ON_INODE(!S_ISDIR(inode->i_mode)): inode:ffff88804855a460 fs:ocfs2 mode:100000 opflags:0x2 flags:0x20 state:0x0 count:2
------------[ cut here ]------------
kernel BUG at fs/namei.c:682!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5335 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:682 [inline]
RIP: 0010:may_lookup fs/namei.c:1957 [inline]
RIP: 0010:link_path_walk+0x18cb/0x18d0 fs/namei.c:2600
Code: e8 1a 7d 03 00 90 0f 0b e8 e2 ad 7c ff 44 89 fd e9 6a fd ff ff e8 d5 ad 7c ff 48 89 ef 48 c7 c6 80 53 de 8b e8 f6 7c 03 00 90 <0f> 0b 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55
RSP: 0018:ffffc9000e02f880 EFLAGS: 00010246
RAX: e30f9de200c7b400 RBX: ffffc9000e02fc58 RCX: e30f9de200c7b400
RDX: ffffc9000eca2000 RSI: 0000000000000848 RDI: 0000000000000849
RBP: ffff88804855a460 R08: ffffc9000e02f467 R09: 1ffff92001c05e8c
R10: dffffc0000000000 R11: fffff52001c05e8d R12: 0000000000008000
R13: ffffc9000e02fc20 R14: 0000000000008000 R15: ffff888023eb0718
FS:  00007f9a1d2e66c0(0000) GS:ffff88808c87b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9a1d1456a0 CR3: 00000000120e0000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 path_openat+0x2c3/0x3860 fs/namei.c:4854
 do_file_open+0x23e/0x4a0 fs/namei.c:4887
 do_sys_openat2+0x113/0x200 fs/open.c:1364
 do_sys_open fs/open.c:1370 [inline]
 __do_sys_openat fs/open.c:1386 [inline]
 __se_sys_openat fs/open.c:1381 [inline]
 __x64_sys_openat+0x138/0x170 fs/open.c:1381
 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: 0033:0x7f9a1c39ce59
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:00007f9a1d2e5fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f9a1c615fa0 RCX: 00007f9a1c39ce59
RDX: 000000000000275a RSI: 00002000000059c0 RDI: ffffffffffffff9c
RBP: 00007f9a1c432d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9a1c616038 R14: 00007f9a1c615fa0 R15: 00007fffaea52ae8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:lookup_inode_permission_may_exec fs/namei.c:682 [inline]
RIP: 0010:may_lookup fs/namei.c:1957 [inline]
RIP: 0010:link_path_walk+0x18cb/0x18d0 fs/namei.c:2600
Code: e8 1a 7d 03 00 90 0f 0b e8 e2 ad 7c ff 44 89 fd e9 6a fd ff ff e8 d5 ad 7c ff 48 89 ef 48 c7 c6 80 53 de 8b e8 f6 7c 03 00 90 <0f> 0b 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55
RSP: 0018:ffffc9000e02f880 EFLAGS: 00010246
RAX: e30f9de200c7b400 RBX: ffffc9000e02fc58 RCX: e30f9de200c7b400
RDX: ffffc9000eca2000 RSI: 0000000000000848 RDI: 0000000000000849
RBP: ffff88804855a460 R08: ffffc9000e02f467 R09: 1ffff92001c05e8c
R10: dffffc0000000000 R11: fffff52001c05e8d R12: 0000000000008000
R13: ffffc9000e02fc20 R14: 0000000000008000 R15: ffff888023eb0718
FS:  00007f9a1d2e66c0(0000) GS:ffff88808c87b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9a10207000 CR3: 00000000120e0000 CR4: 0000000000352ef0