Re: kernel ring buffer accessible by users

From: David Wagner (daw@mozart.cs.berkeley.edu)
Date: Wed Apr 23 2003 - 19:30:17 EST


Werner Almesberger wrote:
>Robert Love wrote:
>> Why on earth would the user give the kernel a password?
>
>That's just an example. It could be any other sensitive information,
>including kernel state that you don't want to reveal to users.
>
>I think it's a reasonable assumption that one can speak freely in a
>printk message.

Robert Love's position seems reasonable to me. Can you show an example
where it is useful and appropriate to print secrets out using printk()?
It strikes me as risky and unnecessary, but maybe I'm missing something.
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