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[perl #134439] Segfault (memory access violation) inPerl__invlist_intersection_maybe_complement_2nd in Perl 5.30.0

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From:
Tony Cook via RT
Date:
September 18, 2019 06:03
Subject:
[perl #134439] Segfault (memory access violation) inPerl__invlist_intersection_maybe_complement_2nd in Perl 5.30.0
Message ID:
rt-4.0.24-20280-1568786585-763.134439-15-0@perl.org
On Tue, 17 Sep 2019 14:50:07 -0700, steven.bush@3ds.com wrote:
> The crash is occurring with regex expressions containing character
> sets "[abc]"

Do you have a more complete example of this?

I've tried some simple code that exercises regexps with [abc], but haven't managed to make it fault, even with valgrind running the executable.

My test code is running the code twice and PL_InBitmap is the same after each run, so I can see there is a problem, but I'm not seeing the crash, which I'd like for a regression test.

Thanks,
Tony

---
via perlbug:  queue: perl5 status: new
https://rt.perl.org/Ticket/Display.html?id=134439

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