It is not the only opcode that can crash a Pentium (MMX) computer, so not really fix it.
Chad D. Zimmerman wrote: > > Here is a script that I got from another list I am on. May be of use to > some peple here. > > -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- > Chad D. Zimmerman [EMAIL PROTECTED] > Southwest Technology Development Institute > New Mexico State University > --- > HP: http://dabcc-www.nmsu.edu/~chad/ > DBP: http://dabcc-www.nmsu.edu/~chad/Debian/ > SWAO: http://desertwinds.multipleimage.com/ > -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- > > ---------- Forwarded message ---------- > Date: Mon, 10 Nov 1997 11:41:17 +0000 (MYT) > To: linuxsa <[EMAIL PROTECTED]> > Subject: [linux-security] Perl script to locate F0 0F C7 C8 bombs (fwd) > > <SNIP> > There is no known fix to the F0 0F C7 C8 bug at this time. What can be > done, however, is run a program, such as the script after my signature, to > locate any and all such programs. This script can be used in single > user mode after a mysterious lockup on a multiuser Pentium system. > > I hope it is possible to come up with a software fix for this problem. > > - Sam > > "You can...turn sadness into laughter" -- Sunscreem, _Love_U_More_ > > #!/usr/bin/perl > > # There is no known software fix to the F0 0F C7 C8 bug at this time > > # usage: finddeath dir > > # where dir is the directory you recursively look at all programs in > # for instances of the F0 0F C7 C8 sequence > > # This script will search for programs with this sequence, which will > # help sysadmins take appropriate action against those running such > # programs > > # This script is written (but has not been tested) in Perl4, to > # insure maximum compatibility > > sub findit { > > local($dir,$file,@files,$data) = @_; > > undef $/; > > if(!opendir(DIR,$dir)) { > print STDERR "Can not open $dir: $!\n"; > return 0; > } > > @files=readdir(DIR); > > foreach $file (@files) { > if($file ne '.' && $file ne '..') { > if( -f "$dir/$file" && open(FILE,"< $dir/$file")) { > $data=<FILE>; > if($data =~ /\xf0\x0f\xc7\xc8/) { > print "$dir/$file contains F0 0F C7 C8\n"; > } > } elsif( -d "$dir/$file") { > &findit("$dir/$file"); > } > } > } > > } > > $dir = shift || '/home'; > > &findit($dir); > > > -- > ---------------------------------------------------------------------- > Please refere to the information about this list as well as general > information about Linux security at http://www.aoy.com/Linux/Security. > ---------------------------------------------------------------------- > > -- > Check out the LinuxSA web pages at http://www.linuxsa.org.au/ > To unsubscribe from the LinuxSA list: > mail [EMAIL PROTECTED] with "unsubscribe" as the subject > > ____________________________________________________________________ > -------------------------------------------------------------------- > Join The Web Consultants Association : Register on our web site Now > Web Consultants Web Site : http://just4u.com/webconsultants > If you lose the instructions All subscription/unsubscribing can be done > directly from our website for all our lists. > --------------------------------------------------------------------- > > -- > TO UNSUBSCRIBE FROM THIS MAILING LIST: e-mail the word "unsubscribe" to > [EMAIL PROTECTED] . > Trouble? e-mail to [EMAIL PROTECTED] . -- TO UNSUBSCRIBE FROM THIS MAILING LIST: e-mail the word "unsubscribe" to [EMAIL PROTECTED] . Trouble? e-mail to [EMAIL PROTECTED] .
