From: Matthew Wilcox <willy@debian.org>
To: linux-ia64@vger.kernel.org
Subject: Re: a nice way to reboot :-)
Date: Thu, 24 Jul 2003 12:55:50 +0000 [thread overview]
Message-ID: <marc-linux-ia64-105905135631924@msgid-missing> (raw)
In-Reply-To: <marc-linux-ia64-105887789030732@msgid-missing>
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
next prev parent reply other threads:[~2003-07-24 12:55 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-07-22 12:32 a nice way to reboot :-) Bruno Cornec
2003-07-22 13:05 ` Grant Grundler
2003-07-22 13:31 ` Bruno Cornec
2003-07-22 14:33 ` Bjorn Helgaas
2003-07-22 15:44 ` digiovanni, lucio
2003-07-23 3:50 ` Matthew Wilcox
2003-07-24 12:30 ` Bruno Cornec
2003-07-24 12:52 ` Andreas Schwab
2003-07-24 12:55 ` Matthew Wilcox [this message]
2003-07-24 13:53 ` Van Maren, Kevin
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