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Re: overflow in vprintf()
- To: elleron at yahoo dot com
- Subject: Re: overflow in vprintf()
- From: Geoff Keating <geoffk at geoffk dot org>
- Date: Mon, 30 Oct 2000 17:58:04 -0800
- CC: libc-alpha at sourceware dot cygnus dot com
- References: <200010302258.e9UMw9t11252@virgil.chaos.net>
> Date: Mon, 30 Oct 2000 17:58:09 -0500
> From: elleron@yahoo.com
> With bash 2.04.11 linked to libc:
>
> bash -o [51200]
> bash -o [10240] [10240]
> bash -o [10240] -2 [10240]
>
> where numbers in brackets are replaced by strings of the specified
> length, then examine the resulting core. The problem also occurs with
> gnu ls and various other gnu utilities.
I typed
bash -o `perl -e 'print ("x" x 51200);'`
bash -o `perl -e 'print ("x" x 10240);'` `perl -e 'print ("x" x 10240);'`
bash -o `perl -e 'print ("x" x 10240);'` -2 `perl -e 'print ("x" x 10240);'`
and had no problems on my system with
GNU C Library development release version 2.1.94, by Roland McGrath et al.
Copyright (C) 1992,93,94,95,96,97,98,99,2000 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.
There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE.
Compiled by GNU CC version 2.96 20000731 (Red Hat Linux 7.0).
Compiled on a Linux 2.4.0-0.23smp system on 2000-10-05.
(which is the current Red Hat Linux 7 libc).
--
- Geoffrey Keating <geoffk@cygnus.com>