BUG: memory leak
unreferenced object 0xffff888043cb8000 (size 144):
  comm "syz-executor.2", pid 17119, jiffies 4298077072 (age 23.752s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 6d ae 81 64 00 00 00 00  ........m..d....
    39 6d d4 12 00 00 00 00 6d ae 81 64 00 00 00 00  9m......m..d....
  backtrace:
    [<000000000a4ac882>] kmem_cache_zalloc include/linux/slab.h:654 [inline]
    [<000000000a4ac882>] __kernfs_iattrs+0xbc/0x470 fs/kernfs/inode.c:43
    [<00000000e9e93eff>] kernfs_iattrs fs/kernfs/inode.c:66 [inline]
    [<00000000e9e93eff>] kernfs_xattr_set+0x2b/0x80 fs/kernfs/inode.c:304
    [<00000000d87cbb37>] selinux_kernfs_init_security+0x26d/0x4c0 security/selinux/hooks.c:3522
    [<00000000e56221f1>] security_kernfs_init_security+0x4e/0xb0 security/security.c:1456
    [<0000000028ff4f51>] __kernfs_new_node+0x531/0x850 fs/kernfs/dir.c:674
    [<00000000dea74726>] kernfs_new_node fs/kernfs/dir.c:697 [inline]
    [<00000000dea74726>] kernfs_create_dir_ns+0x9c/0x230 fs/kernfs/dir.c:1033
    [<00000000d511a116>] kernfs_create_dir include/linux/kernfs.h:561 [inline]
    [<00000000d511a116>] cgroup_create kernel/cgroup/cgroup.c:5328 [inline]
    [<00000000d511a116>] cgroup_mkdir+0x318/0xf50 kernel/cgroup/cgroup.c:5462
    [<000000007dd1b04a>] kernfs_iop_mkdir+0x14d/0x1e0 fs/kernfs/dir.c:1134
    [<0000000053c0041e>] vfs_mkdir+0x493/0x700 fs/namei.c:3712
    [<0000000017b22064>] do_mkdirat+0x150/0x2b0 fs/namei.c:3734
    [<00000000e3b65f7a>] do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
    [<0000000021f9bca0>] entry_SYSCALL_64_after_hwframe+0x61/0xc6

BUG: leak checking failed