netlink: 'syz.3.296': attribute type 4 has an invalid length.
VFS_BUG_ON_INODE(!S_ISDIR(inode->i_mode)) encountered for inode ffff0000f3dfa4f8
fs ocfs2 mode 100000 opflags 0x2 flags 0x20 state 0x0 count 2
------------[ cut here ]------------
kernel BUG at fs/namei.c:630!
Internal error: Oops - BUG: 00000000f2000800 [#1]  SMP
Modules linked in:
CPU: 1 UID: 0 PID: 8248 Comm: syz.3.296 Tainted: G             L      syzkaller #0 PREEMPT 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025
pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : lookup_inode_permission_may_exec fs/namei.c:630 [inline]
pc : may_lookup fs/namei.c:1900 [inline]
pc : link_path_walk+0x1528/0x152c fs/namei.c:2537
lr : lookup_inode_permission_may_exec fs/namei.c:630 [inline]
lr : may_lookup fs/namei.c:1900 [inline]
lr : link_path_walk+0x1528/0x152c fs/namei.c:2537
sp : ffff8000a0477850
x29: ffff8000a0477900 x28: 0000000000008000 x27: 1fffe000197bebca
x26: ffff8000a04779c0 x25: 0000000000008000 x24: ffff0000f3dfa4f8
x23: ffff0000e006d520 x22: ffff8000a04779f8 x21: dfff800000000000
x20: dfff800000000000 x19: ffff8000a04779f0 x18: 1fffe00033781890
x17: ffff80008f86e000 x16: ffff800082e5e68c x15: 0000000000000001
x14: 1ffff0001408ee78 x13: 0000000000000000 x12: 0000000000000000
x11: 0000000000080000 x10: 000000000000080e x9 : f02de73f80cfc700
x8 : f02de73f80cfc700 x7 : ffff80008049ea88 x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f1260
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 000000000000008e
Call trace:
 lookup_inode_permission_may_exec fs/namei.c:630 [inline] (P)
 may_lookup fs/namei.c:1900 [inline] (P)
 link_path_walk+0x1528/0x152c fs/namei.c:2537 (P)
 path_parentat fs/namei.c:2793 [inline]
 __filename_parentat+0x1c8/0x544 fs/namei.c:2817
 filename_parentat fs/namei.c:2835 [inline]
 filename_create+0xd0/0x2d8 fs/namei.c:4860
 do_mkdirat+0xc8/0x448 fs/namei.c:5156
 __do_sys_mkdirat fs/namei.c:5186 [inline]
 __se_sys_mkdirat fs/namei.c:5184 [inline]
 __arm64_sys_mkdirat+0x8c/0xa4 fs/namei.c:5184
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x254 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0xe8/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x5c/0x26c arch/arm64/kernel/entry-common.c:724
 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596
Code: d0051ae1 91138021 aa1803e0 97cca11d (d4210000) 
---[ end trace 0000000000000000 ]---