VFS_BUG_ON_INODE(!S_ISDIR(inode->i_mode)): inode:ffff888046fba460 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: 5330 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:ffffc9000cc57a20 EFLAGS: 00010246
RAX: c2d0c528fb014e00 RBX: ffffc9000cc57c58 RCX: c2d0c528fb014e00
RDX: ffffc90020001000 RSI: 000000000000086f RDI: 0000000000000870
RBP: ffff888046fba460 R08: ffff88801fc247d3 R09: 1ffff11003f848fa
R10: dffffc0000000000 R11: ffffed1003f848fb R12: 0000000000008000
R13: ffffc9000cc57c20 R14: 0000000000008000 R15: ffff88803e49dc18
FS:  00007f40897fc6c0(0000) GS:ffff88808c87c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb5026a5000 CR3: 000000001bf94000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 path_lookupat+0xe4/0x8c0 fs/namei.c:2808
 filename_lookup+0x256/0x5d0 fs/namei.c:2838
 user_path_at+0x40/0x160 fs/namei.c:3643
 do_mount fs/namespace.c:4164 [inline]
 __do_sys_mount fs/namespace.c:4383 [inline]
 __se_sys_mount+0x2dc/0x420 fs/namespace.c:4360
 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: 0033:0x7f408899ce59
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:00007f40897fbfe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f4088c16090 RCX: 00007f408899ce59
RDX: 0000200000002100 RSI: 00002000000020c0 RDI: 0000000000000000
RBP: 00007f4088a32d6f R08: 00002000000003c0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f4088c16128 R14: 00007f4088c16090 R15: 00007fffc5aae128
 </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:ffffc9000cc57a20 EFLAGS: 00010246
RAX: c2d0c528fb014e00 RBX: ffffc9000cc57c58 RCX: c2d0c528fb014e00
RDX: ffffc90020001000 RSI: 000000000000086f RDI: 0000000000000870
RBP: ffff888046fba460 R08: ffff88801fc247d3 R09: 1ffff11003f848fa
R10: dffffc0000000000 R11: ffffed1003f848fb R12: 0000000000008000
R13: ffffc9000cc57c20 R14: 0000000000008000 R15: ffff88803e49dc18
FS:  00007f40897fc6c0(0000) GS:ffff88808c87c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb5026a4000 CR3: 000000001bf94000 CR4: 0000000000352ef0