BUG: memory leak
unreferenced object 0xffff88804d616dd0 (size 144):
  comm "syz-executor.4", pid 15977, jiffies 4297195085 (age 22.708s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 63 89 41 66 00 00 00 00  ........c.Af....
    19 1b 78 0e 00 00 00 00 63 89 41 66 00 00 00 00  ..x.....c.Af....
  backtrace:
    [<00000000cebc656e>] kmem_cache_zalloc include/linux/slab.h:654 [inline]
    [<00000000cebc656e>] __kernfs_iattrs+0xbc/0x470 fs/kernfs/inode.c:43
    [<000000000c3c7b04>] kernfs_iattrs fs/kernfs/inode.c:66 [inline]
    [<000000000c3c7b04>] kernfs_xattr_set+0x2b/0x80 fs/kernfs/inode.c:304
    [<0000000021f3b28f>] selinux_kernfs_init_security+0x26d/0x4c0 security/selinux/hooks.c:3522
    [<000000002483f907>] security_kernfs_init_security+0x4e/0xb0 security/security.c:1456
    [<000000002a4cc8ca>] __kernfs_new_node+0x531/0x860 fs/kernfs/dir.c:674
    [<0000000001c0e447>] kernfs_new_node+0x18d/0x250 fs/kernfs/dir.c:711
    [<000000005b5d8e4e>] kernfs_create_dir_ns+0x49/0x160 fs/kernfs/dir.c:1047
    [<00000000bd34ac6b>] kernfs_create_dir include/linux/kernfs.h:561 [inline]
    [<00000000bd34ac6b>] cgroup_create kernel/cgroup/cgroup.c:5343 [inline]
    [<00000000bd34ac6b>] cgroup_mkdir+0x318/0xf50 kernel/cgroup/cgroup.c:5477
    [<0000000082aaa3e3>] kernfs_iop_mkdir+0x14d/0x1e0 fs/kernfs/dir.c:1148
    [<000000007218cb24>] vfs_mkdir+0x493/0x700 fs/namei.c:3706
    [<000000008690a067>] do_mkdirat+0x150/0x2b0 fs/namei.c:3728
    [<000000004a25d56e>] do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
    [<00000000a8782bcb>] entry_SYSCALL_64_after_hwframe+0x67/0xcc

BUG: leak checking failed