BUG: memory leak
unreferenced object 0xffff888055c664e0 (size 144):
  comm "syz-executor.0", pid 22883, jiffies 4296146445 (age 23.006s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 a4 c9 b8 63 00 00 00 00  ...........c....
    e7 77 5d 12 00 00 00 00 a4 c9 b8 63 00 00 00 00  .w]........c....
  backtrace:
    [<000000007d906f47>] kmem_cache_zalloc include/linux/slab.h:654 [inline]
    [<000000007d906f47>] __kernfs_iattrs+0xbc/0x470 fs/kernfs/inode.c:43
    [<000000008fb5fdb5>] kernfs_iattrs fs/kernfs/inode.c:66 [inline]
    [<000000008fb5fdb5>] kernfs_xattr_set+0x2b/0x80 fs/kernfs/inode.c:304
    [<00000000708cd4d6>] selinux_kernfs_init_security+0x268/0x4c0 security/selinux/hooks.c:3522
    [<000000007de52c57>] security_kernfs_init_security+0x4e/0xb0 security/security.c:1456
    [<00000000b2d503c7>] __kernfs_new_node+0x531/0x850 fs/kernfs/dir.c:674
    [<000000009782091b>] kernfs_new_node fs/kernfs/dir.c:697 [inline]
    [<000000009782091b>] kernfs_create_dir_ns+0x9c/0x230 fs/kernfs/dir.c:1033
    [<0000000071b7f889>] kernfs_create_dir include/linux/kernfs.h:561 [inline]
    [<0000000071b7f889>] cgroup_create kernel/cgroup/cgroup.c:5328 [inline]
    [<0000000071b7f889>] cgroup_mkdir+0x318/0xfc0 kernel/cgroup/cgroup.c:5462
    [<00000000a93bbe12>] kernfs_iop_mkdir+0x14d/0x1e0 fs/kernfs/dir.c:1134
    [<00000000e7cc0e92>] vfs_mkdir+0x41f/0x660 fs/namei.c:3645
    [<0000000065de8e50>] do_mkdirat+0x145/0x2a0 fs/namei.c:3668
    [<000000004c8ff9ec>] do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
    [<00000000be9dc70c>] entry_SYSCALL_64_after_hwframe+0x61/0xc6

BUG: leak checking failed