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
OCFS2: ERROR (device loop0): int ocfs2_validate_inode_block(struct super_block *, struct buffer_head *): Invalid dinode #65: signature = 
On-disk corruption discovered. Please run fsck.ocfs2 once the filesystem is unmounted.
(syz.0.0,5318,0):ocfs2_assign_bh:2417 ERROR: status = -30
(syz.0.0,5318,0):ocfs2_inode_lock_full_nested:2512 ERROR: status = -30
(syz.0.0,5318,0):ocfs2_inode_lock_tracker:2722 ERROR: status = -30
VFS_BUG_ON_INODE(!S_ISDIR(inode->i_mode)) encountered for inode ffff888047310878
fs ocfs2 mode 100000 opflags 0x2 flags 0x20 state 0x0 count 2
------------[ cut here ]------------
kernel BUG at fs/namei.c:630!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5318 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:630 [inline]
RIP: 0010:may_lookup fs/namei.c:1908 [inline]
RIP: 0010:link_path_walk+0x18cb/0x18d0 fs/namei.c:2545
Code: e8 ca 2c e3 fe 90 0f 0b e8 42 6f 7f ff 44 89 fd e9 6a fd ff ff e8 35 6f 7f ff 48 89 ef 48 c7 c6 60 e9 bd 8b e8 a6 2c e3 fe 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:ffffc90001a3f8a0 EFLAGS: 00010282
RAX: 000000000000008e RBX: ffffc90001a3fc58 RCX: cdd4305202ad8200
RDX: ffffc9000f3e2000 RSI: 00000000000008a2 RDI: 00000000000008a3
RBP: ffff888047310878 R08: ffffc90001a3f5c7 R09: 1ffff92000347eb8
R10: dffffc0000000000 R11: fffff52000347eb9 R12: 0000000000008000
R13: ffffc90001a3fc20 R14: 0000000000008000 R15: ffff888012ac5520
FS:  00007f629c0246c0(0000) GS:ffff88808cce8000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000000008c0 CR3: 0000000012527000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 path_openat+0x2bf/0x3e20 fs/namei.c:4792
 do_filp_open+0x22d/0x490 fs/namei.c:4823
 do_sys_openat2+0x12f/0x220 fs/open.c:1430
 do_sys_open fs/open.c:1436 [inline]
 __do_sys_openat fs/open.c:1452 [inline]
 __se_sys_openat fs/open.c:1447 [inline]
 __x64_sys_openat+0x138/0x170 fs/open.c:1447
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xe2/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f629b19aeb9
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:00007f629c024028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f629b415fa0 RCX: 00007f629b19aeb9
RDX: 0000000000040000 RSI: 00002000000008c0 RDI: ffffffffffffff9c
RBP: 00007f629b208c1f R08: 0000000000000000 R09: 0000000000000000
R10: 00000000000001aa R11: 0000000000000246 R12: 0000000000000000
R13: 00007f629b416038 R14: 00007f629b415fa0 R15: 00007fff5bf48498
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:lookup_inode_permission_may_exec fs/namei.c:630 [inline]
RIP: 0010:may_lookup fs/namei.c:1908 [inline]
RIP: 0010:link_path_walk+0x18cb/0x18d0 fs/namei.c:2545
Code: e8 ca 2c e3 fe 90 0f 0b e8 42 6f 7f ff 44 89 fd e9 6a fd ff ff e8 35 6f 7f ff 48 89 ef 48 c7 c6 60 e9 bd 8b e8 a6 2c e3 fe 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:ffffc90001a3f8a0 EFLAGS: 00010282
RAX: 000000000000008e RBX: ffffc90001a3fc58 RCX: cdd4305202ad8200
RDX: ffffc9000f3e2000 RSI: 00000000000008a2 RDI: 00000000000008a3
RBP: ffff888047310878 R08: ffffc90001a3f5c7 R09: 1ffff92000347eb8
R10: dffffc0000000000 R11: fffff52000347eb9 R12: 0000000000008000
R13: ffffc90001a3fc20 R14: 0000000000008000 R15: ffff888012ac5520
FS:  00007f629c0246c0(0000) GS:ffff88808cce8000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f629b40c6f0 CR3: 0000000012527000 CR4: 0000000000352ef0