BUG: memory leak
unreferenced object 0xffff8880441a4820 (size 144):
  comm "syz-executor.7", pid 11495, jiffies 4297321551 (age 22.089s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 84 ae 69 64 00 00 00 00  ..........id....
    74 dc af 33 00 00 00 00 84 ae 69 64 00 00 00 00  t..3......id....
  backtrace:
    [<00000000ff1a566c>] kmem_cache_zalloc include/linux/slab.h:654 [inline]
    [<00000000ff1a566c>] __kernfs_iattrs+0xbc/0x470 fs/kernfs/inode.c:43
    [<00000000db8037e1>] kernfs_iattrs fs/kernfs/inode.c:66 [inline]
    [<00000000db8037e1>] kernfs_xattr_set+0x2b/0x80 fs/kernfs/inode.c:304
    [<00000000362676b2>] selinux_kernfs_init_security+0x26d/0x4c0 security/selinux/hooks.c:3522
    [<00000000e50b174d>] security_kernfs_init_security+0x4e/0xb0 security/security.c:1456
    [<00000000204d058c>] __kernfs_new_node+0x531/0x850 fs/kernfs/dir.c:674
    [<00000000ea2ed4e6>] kernfs_new_node fs/kernfs/dir.c:697 [inline]
    [<00000000ea2ed4e6>] kernfs_create_dir_ns+0x9c/0x230 fs/kernfs/dir.c:1033
    [<00000000beac7faa>] kernfs_create_dir include/linux/kernfs.h:561 [inline]
    [<00000000beac7faa>] cgroup_create kernel/cgroup/cgroup.c:5328 [inline]
    [<00000000beac7faa>] cgroup_mkdir+0x318/0xf50 kernel/cgroup/cgroup.c:5462
    [<00000000dcee14d4>] kernfs_iop_mkdir+0x14d/0x1e0 fs/kernfs/dir.c:1134
    [<0000000084933bf1>] vfs_mkdir+0x493/0x700 fs/namei.c:3712
    [<000000001cb4e596>] do_mkdirat+0x150/0x2b0 fs/namei.c:3734
    [<0000000085d902f1>] do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
    [<00000000d52c5201>] entry_SYSCALL_64_after_hwframe+0x61/0xc6

BUG: leak checking failed