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

Tony Cook via RT
January 25, 2016 21:57
[perl #127349] Segfault (GPF) in Perl_newSVpv at sv.c:9161
Message ID:
On Fri Jan 22 11:21:56 2016, 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.



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