BUG: memory leak
unreferenced object 0xffff888046cbb680 (size 144):
  comm "syz-executor.5", pid 12158, jiffies 4297624594 (age 23.257s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 36 5d ea 67 00 00 00 00  ........6].g....
    74 f0 5a 3a 00 00 00 00 36 5d ea 67 00 00 00 00  t.Z:....6].g....
  backtrace:
    [<00000000d05205fe>] kmem_cache_zalloc include/linux/slab.h:654 [inline]
    [<00000000d05205fe>] __kernfs_iattrs+0xbc/0x470 fs/kernfs/inode.c:43
    [<0000000070eff3bd>] kernfs_iattrs fs/kernfs/inode.c:66 [inline]
    [<0000000070eff3bd>] kernfs_xattr_set+0x2b/0x80 fs/kernfs/inode.c:304
    [<00000000afe283b1>] selinux_kernfs_init_security+0x26d/0x4c0 security/selinux/hooks.c:3522
    [<00000000bcc0bbe4>] security_kernfs_init_security+0x4e/0xb0 security/security.c:1456
    [<000000004aa00650>] __kernfs_new_node+0x531/0x860 fs/kernfs/dir.c:674
    [<0000000011c58b9b>] kernfs_new_node+0x18d/0x250 fs/kernfs/dir.c:711
    [<00000000b756f474>] kernfs_create_dir_ns+0x49/0x160 fs/kernfs/dir.c:1047
    [<000000000f0761e6>] kernfs_create_dir include/linux/kernfs.h:561 [inline]
    [<000000000f0761e6>] cgroup_create kernel/cgroup/cgroup.c:5343 [inline]
    [<000000000f0761e6>] cgroup_mkdir+0x315/0xf50 kernel/cgroup/cgroup.c:5479
    [<000000005cc9f0ba>] kernfs_iop_mkdir+0x14d/0x1e0 fs/kernfs/dir.c:1148
    [<00000000990e1add>] vfs_mkdir+0x493/0x750 fs/namei.c:3706
    [<000000005247429a>] do_mkdirat+0x150/0x2b0 fs/namei.c:3728
    [<00000000c8e9a436>] do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
    [<0000000062d3ce3d>] entry_SYSCALL_64_after_hwframe+0x67/0xd1

BUG: leak checking failed