BUG: memory leak
unreferenced object 0xffff88801a489ea0 (size 144):
  comm "syz-executor.7", pid 29287, jiffies 4297630375 (age 27.222s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 f8 9a 6a 66 00 00 00 00  ..........jf....
    c3 64 ea 2f 00 00 00 00 f8 9a 6a 66 00 00 00 00  .d./......jf....
  backtrace:
    [<000000007acb7738>] kmem_cache_zalloc include/linux/slab.h:654 [inline]
    [<000000007acb7738>] __kernfs_iattrs+0xbc/0x470 fs/kernfs/inode.c:43
    [<00000000e56e4a58>] kernfs_iattrs fs/kernfs/inode.c:66 [inline]
    [<00000000e56e4a58>] kernfs_xattr_set+0x2b/0x80 fs/kernfs/inode.c:304
    [<0000000019f0d3a0>] selinux_kernfs_init_security+0x26d/0x4c0 security/selinux/hooks.c:3522
    [<00000000f9add67c>] security_kernfs_init_security+0x4e/0xb0 security/security.c:1456
    [<000000002fea628e>] __kernfs_new_node+0x531/0x860 fs/kernfs/dir.c:674
    [<000000003bd7eee6>] kernfs_new_node+0x18d/0x250 fs/kernfs/dir.c:711
    [<00000000d2702bdf>] kernfs_create_dir_ns+0x49/0x160 fs/kernfs/dir.c:1047
    [<000000003297cd72>] kernfs_create_dir include/linux/kernfs.h:561 [inline]
    [<000000003297cd72>] cgroup_create kernel/cgroup/cgroup.c:5343 [inline]
    [<000000003297cd72>] cgroup_mkdir+0x318/0xf50 kernel/cgroup/cgroup.c:5477
    [<00000000d88b5ea5>] kernfs_iop_mkdir+0x14d/0x1e0 fs/kernfs/dir.c:1148
    [<000000009d38bbe1>] vfs_mkdir+0x493/0x700 fs/namei.c:3706
    [<00000000bff89119>] do_mkdirat+0x150/0x2b0 fs/namei.c:3728
    [<00000000d692a479>] do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
    [<000000000c24f916>] entry_SYSCALL_64_after_hwframe+0x67/0xd1

BUG: leak checking failed