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Re: Local Denial-of-Service attack against Linux
From: lcamtuf () DIONE IDS PL (Michal Zalewski)
Date: Fri, 24 Mar 2000 09:32:30 +0100


On Thu, 23 Mar 2000, Jay Fenlason wrote:

This amusing little program will hang Linux 2.2.12 (default Red Hat 6.1),
2.2.14 (latest stable kernel) and 2.3.99-pre2 (latest development kernel)
on my 6x86 scratch machine and our various Pentium development machines.
Note that this does not require any special privileges.

On 2.2.14 kernel (from default Mandrake distro on lusers' workstation
here), it has no effect, except some kmalloc messages. No crash, program
can be aborted with Ctrl+C. On working, heavily-loaded 2.0.38 server, it
does nothing (?). I've checked it only on these two machines. Any ideas?

_______________________________________________________
Michal Zalewski * [lcamtuf () ags pl] <=> [AGS WAN SYSADM]
[dione.ids.pl SYSADM] <-> [http://lcamtuf.na.export.pl]
[+48 22 551 45 93] [+48 603 110 160] bash$ :(){ :|:&};:
=-----=> God is real, unless declared integer. <=-----=


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