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[perl #129158] null ptr deref, segfault in Perl_pp_split () atpp.c:5738

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From:
Father Chrysostomos via RT
Date:
September 12, 2016 05:17
Subject:
[perl #129158] null ptr deref, segfault in Perl_pp_split () atpp.c:5738
Message ID:
rt-4.0.24-3504-1473657458-823.129158-15-0@perl.org
On Thu Sep 01 01:49:12 2016, brian.carpenter@gmail.com wrote:
> Perl v5.25.5 (v5.25.4-25-g109ac34*), found with AFL + ASAN. A non-
> instrumented build of
> v5.25.4-5-g92d73bf returns the valgrind output at the end.

I can reproduce it on dromedary, but not locally.  On dromedary I don’t have a functional gdb, so it’s a little hard to debug.

I tried bisecting, but got perl-5.6.0-4727-g4cddb5c, which seems like a red herring.

I managed to reduce it to this:

$ cat foo
map{s///o > split 0,split /0/>0}<DATA>__END__


$ 

-- 

Father Chrysostomos


---
via perlbug:  queue: perl5 status: new
https://rt.perl.org/Ticket/Display.html?id=129158

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