4.4 ACL attacking 2, execve()

int do_execve(char * filename, char ** argv, char ** envp, struct pt_regs * regs)
{
.....
      if(dentry) if (dentry->d_inode) {
         struct lids_sys_acl *this_sys_acl;

          this_sys_acl = lids_search_acl(dentry->d_inode->i_ino,dentry->d_inode->i_dev,lids_current);
         /* set the ACLs */
         if( (retval=lids_set_acls(this_sys_acl)) < 0 )
           goto out;
          }