Re: a nice way to reboot :-)

From: Matthew Wilcox <>
Date: 2003-07-24 22:55:50
On Thu, Jul 24, 2003 at 02:30:51PM +0200, Bruno Cornec wrote:
> Well in general yes, but at least on i386 (I can't test on something else)
> doing cat /proc/kcore doesn't crash the system. And BTW why should it ?
> There is nothing wrong with it (for ex. I used it a lot of times to try
> to find a BIOS revision on i386).

you should be using gdb on /proc/kcore; nothing else.

> I just wonder if this could be used as a DOS from outside the system. In
> which case, it would be a Bad Thing (tm :-)

$ ls -l /proc/kcore 
-r--------    1 root     root     167776256 2003-07-24 08:46 /proc/kcore

and if they're root, you're already fucked.

"It's not Hollywood.  War is real, war is primarily not about defeat or
victory, it is about death.  I've seen thousands and thousands of dead bodies.
Do you think I want to have an academic debate on this subject?" -- Robert Fisk
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Received on Thu Jul 24 08:55:56 2003

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