VFS_BUG_ON_INODE(!S_ISDIR(inode->i_mode)) encountered for inode ffff888048060878
fs ocfs2 mode 100000 opflags 0x2 flags 0x20 state 0x0 count 2
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kernel BUG at fs/namei.c:630!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5319 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 4a 33 e3 fe 90 0f 0b e8 f2 72 7f ff 44 89 fd e9 6a fd ff ff e8 e5 72 7f ff 48 89 ef 48 c7 c6 60 e8 bd 8b e8 26 33 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: 0000:ffffc9000fde78a0 EFLAGS: 00010282
RAX: 000000000000008e RBX: ffffc9000fde7c58 RCX: 8acbfbe167167300
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffff888048060878 R08: ffffc9000fde75c7 R09: 1ffff92001fbceb8
R10: dffffc0000000000 R11: fffff52001fbceb9 R12: 0000000000008000
R13: ffffc9000fde7c20 R14: 0000000000008000 R15: ffff888011c8e620
FS:  00007f9416aee6c0(0000) GS:ffff88808ccea000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe1bca1c00 CR3: 0000000012a94000 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: 0033:0x7f9415b9aeb9
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:00007f9416aee028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f9415e16090 RCX: 00007f9415b9aeb9
RDX: 0000000000000000 RSI: 00002000000000c0 RDI: ffffffffffffff9c
RBP: 00007f9415c08c1f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9415e16128 R14: 00007f9415e16090 R15: 00007ffe1bca23e8
 </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 4a 33 e3 fe 90 0f 0b e8 f2 72 7f ff 44 89 fd e9 6a fd ff ff e8 e5 72 7f ff 48 89 ef 48 c7 c6 60 e8 bd 8b e8 26 33 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: 0000:ffffc9000fde78a0 EFLAGS: 00010282
RAX: 000000000000008e RBX: ffffc9000fde7c58 RCX: 8acbfbe167167300
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffff888048060878 R08: ffffc9000fde75c7 R09: 1ffff92001fbceb8
R10: dffffc0000000000 R11: fffff52001fbceb9 R12: 0000000000008000
R13: ffffc9000fde7c20 R14: 0000000000008000 R15: ffff888011c8e620
FS:  00007f9416aee6c0(0000) GS:ffff88808ccea000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd29a6cf52 CR3: 0000000012a94000 CR4: 0000000000352ef0