# Re: \[PATCH RFC 0/3\] drivers/char: remove /dev/kmem for good

- From: David Hildenbrand \<hidden\>
- Date: 2021-03-22 10:10:17 
- List: linux-api
- Page: https://ratatoskr.run/linux-api/2021/03/6309861
- Thread: https://ratatoskr.run/linux-mm/2021/03/6307991/t.md

```text
On 19.03.21 19:10, Steven Rostedt wrote:
> On Fri, 19 Mar 2021 15:34:49 +0100
> David Hildenbrand [ref] wrote:
>
>> Let's start a discussion if /dev/kmem is worth keeping around and
>> fixing/maintaining or if we should just remove it now for good.
>
> The last time I used /dev/kmem was in 2003. While in Germany, my home
> firewall (in the US) got rooted. I could ssh into the box but had no way to
> shut it down because the rootkit took over all those commands (luckily it
> still allowed me to become root). I finally killed the box with:
>
>   # ls -lR / > /dev/kmem
>
>   ;-)


Wonder if "echo c > /proc/sysrq-trigger" already existed and would have worked back then. :)


-- 
Thanks,

David / dhildenb

```