Bug#689314: perl: segfaults when echoing a very long string [CVE-2012-5195]
Alexander V. Kudrevatykh
kudrevatykh at gmail.com
Sat Jan 5 16:54:50 UTC 2013
Hi, I have i386 system and perl with amd64 kernel, may be this confused
you?
With amd64 system and perl I cannot reproduce it too.
В Сб., 05/01/2013 в 16:44 +0000, Dominic Hargreaves пишет:
> On Fri, Jan 04, 2013 at 05:00:24PM +0400, Alexander Kudrevatykh wrote:
> > perl still segfaults with command # perl -e 'print "x"x(2**31)'
> > but not segfaults with original command
>
> I can reproduce this on i386, but not amd64.
>
> $ perl -le 'print "v"x(2**31+1) ."=1"'
> panic: memory wrap at -e line 1.
>
> $ perl -e 'print "x"x(2**31)'
> Segmentation fault
>
> Strangely, when I try and reproduce with a vanilla 5.14.3 build, I
> get:
>
> $ ./perl -e 'print "x"x(2**31)'
> $ echo $?
> 0
>
> which seems wrong in a different way...
>
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