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[perl #127349] Segfault (GPF) in Perl_newSVpv at sv.c:9161

From:
Tony Cook via RT
Date:
January 25, 2016 21:57
Subject:
[perl #127349] Segfault (GPF) in Perl_newSVpv at sv.c:9161
Message ID:
rt-4.0.18-14479-1453759023-72.127349-15-0@perl.org
On Fri Jan 22 11:21:56 2016, brian.carpenter@gmail.com wrote:
> Found while fuzzing Perl v5.23.8 (v5.23.7-12-g78e3ac8) with American
> Fuzzy Lop. This crash affects Perl 5.14.2 and 5.20.2 as well.
> 
> perl -e '{}for unpack q{p},*0;{}'

The p unpack type uses the supplied value as a pointer, feeding it some random value is likely to crash.

Rejecting.

Tony

---
via perlbug:  queue: perl5 status: new
https://rt.perl.org/Ticket/Display.html?id=127349



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