Messages in this thread |  | | Date | Tue, 9 Jan 2001 22:02:37 -0800 | From | "John H. Robinson, IV" <> | Subject | Re: [BUGTRAQ] major security bug in reiserfs (may affect SuSE Linux) |
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On Wed, Jan 10, 2001 at 12:42:01AM +0100, Marc Lehmann wrote: > > Basically, you do: > > mkdir "$(perl -e 'print "x" x 768')"
[jaqque@osiris:/tmp/chk]% uname -a Linux osiris 2.2.18 [classified] Sat Jan 6 11:19:04 PST 2001 i586 unknown [jaqque@osiris:/tmp/chk]% mkdir "$(perl -e 'print "x" x 768')" [jaqque@osiris:/tmp/chk]% ls -la total 2 drwxrwxr-x 3 jaqque jaqque 819 Jan 9 21:55 . drwxrwxrwt 10 root root 371 Jan 9 21:54 .. drwxrwxr-x 2 jaqque jaqque 35 Jan 9 21:55 x... [jaqque@osiris:/tmp/chk]% rm -rf x* [jaqque@osiris:/tmp/chk]% mkdir "$(perl -e 'print "x" x 4033')" mkdir: cannot create directory `x....x': File name too long [jaqque@osiris:/tmp/chk]% mkdir "$(perl -e 'print "x" x 4032')" [jaqque@osiris:/tmp/chk]% rm -rf x* [jaqque@osiris:/tmp/chk]% mkdir "$(perl -e 'print "x" x 4032')" mkdir: cannot create directory `x....x': File exists zsh: exit 255 mkdir "$(perl -e 'print "x" x 4032')" [jaqque@osiris:/tmp/chk]% ls -la total 4 drwxrwxr-x 3 jaqque jaqque 4083 Jan 9 21:56 . drwxrwxrwt 10 root root 371 Jan 9 21:54 .. [jaqque@osiris:/tmp/chk]%
no oops, but a directory that cannot be removed.
-john
linux kernel 2.2.18 with reiserfs-3.5.29 patch - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/
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