BUG: memory leak
unreferenced object 0xffff88804c3b55b0 (size 144):
  comm "syz-executor.1", pid 12369, jiffies 4297020556 (age 21.861s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 b5 36 6d 68 00 00 00 00  .........6mh....
    3a d8 46 3a 00 00 00 00 b5 36 6d 68 00 00 00 00  :.F:.....6mh....
  backtrace:
    [<000000009fee6751>] kmem_cache_zalloc include/linux/slab.h:654 [inline]
    [<000000009fee6751>] __kernfs_iattrs+0xbc/0x470 fs/kernfs/inode.c:43
    [<00000000caace2cb>] kernfs_iattrs fs/kernfs/inode.c:66 [inline]
    [<00000000caace2cb>] kernfs_xattr_set+0x2b/0x80 fs/kernfs/inode.c:304
    [<00000000f64b5edd>] selinux_kernfs_init_security+0x26d/0x4c0 security/selinux/hooks.c:3522
    [<000000002c34335f>] security_kernfs_init_security+0x4e/0xb0 security/security.c:1456
    [<00000000a98b989c>] __kernfs_new_node+0x531/0x860 fs/kernfs/dir.c:674
    [<0000000049c0a299>] kernfs_new_node+0x18d/0x250 fs/kernfs/dir.c:711
    [<00000000ba1ad9aa>] kernfs_create_dir_ns+0x49/0x160 fs/kernfs/dir.c:1047
    [<000000007acf0c07>] kernfs_create_dir include/linux/kernfs.h:561 [inline]
    [<000000007acf0c07>] cgroup_create kernel/cgroup/cgroup.c:5343 [inline]
    [<000000007acf0c07>] cgroup_mkdir+0x315/0xf50 kernel/cgroup/cgroup.c:5479
    [<00000000908dd6c2>] kernfs_iop_mkdir+0x14d/0x1e0 fs/kernfs/dir.c:1148
    [<00000000e54ff7c9>] vfs_mkdir+0x493/0x750 fs/namei.c:3706
    [<00000000672afb6b>] do_mkdirat+0x150/0x2b0 fs/namei.c:3728
    [<00000000caa56160>] do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
    [<0000000009cdd84c>] entry_SYSCALL_64_after_hwframe+0x67/0xd1

BUG: leak checking failed