<p><pre><code>    &gt;&gt;because unprivileged user-space code is able to force
    &gt;&gt;the kernel to waste a lot of time printing messages,
    &gt;&gt;slowing the whole system down
    &gt;User code can do that already[...]
</code></pre>
I&#x27;m pretty sure that&#x27;d be considered a kernel bug. After all, there already is a a function (printk_ratelimited) which is supposed to be used in situations where userspace can trigger a kernel print.