BUG: memory leak
unreferenced object 0xffff888047f4d4e0 (size 144):
  comm "syz-executor.4", pid 11176, jiffies 4296742773 (age 19.967s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 7a b9 10 65 00 00 00 00  ........z..e....
    de be a1 31 00 00 00 00 7a b9 10 65 00 00 00 00  ...1....z..e....
  backtrace:
    [<000000004afc1e0f>] kmem_cache_zalloc include/linux/slab.h:654 [inline]
    [<000000004afc1e0f>] __kernfs_iattrs+0xbc/0x470 fs/kernfs/inode.c:43
    [<000000008126a18c>] kernfs_iattrs fs/kernfs/inode.c:66 [inline]
    [<000000008126a18c>] kernfs_xattr_set+0x2b/0x80 fs/kernfs/inode.c:304
    [<000000009c4f417b>] selinux_kernfs_init_security+0x26d/0x4c0 security/selinux/hooks.c:3522
    [<00000000e24dcc65>] security_kernfs_init_security+0x4e/0xb0 security/security.c:1456
    [<00000000ad7ab224>] __kernfs_new_node+0x531/0x860 fs/kernfs/dir.c:674
    [<000000008eaf7a90>] kernfs_new_node fs/kernfs/dir.c:699 [inline]
    [<000000008eaf7a90>] kernfs_create_dir_ns+0x9c/0x230 fs/kernfs/dir.c:1035
    [<00000000d9954cab>] kernfs_create_dir include/linux/kernfs.h:561 [inline]
    [<00000000d9954cab>] cgroup_create kernel/cgroup/cgroup.c:5343 [inline]
    [<00000000d9954cab>] cgroup_mkdir+0x318/0xf50 kernel/cgroup/cgroup.c:5477
    [<0000000083520988>] kernfs_iop_mkdir+0x14d/0x1e0 fs/kernfs/dir.c:1136
    [<00000000803c9699>] vfs_mkdir+0x493/0x700 fs/namei.c:3712
    [<000000007c6e04cf>] do_mkdirat+0x150/0x2b0 fs/namei.c:3734
    [<000000005de23527>] do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
    [<000000002f401fd2>] entry_SYSCALL_64_after_hwframe+0x62/0xc7

BUG: leak checking failed