https://bugs.exim.org/show_bug.cgi?id=1854
--- Comment #5 from Philip Hazel <ph10@???> ---
Thank you for your input. The pcretest program originated as a quick hack to
test the first version of PCRE, nearly 20 years ago. It was subsequently more
and more hacked as PCRE got extended until it is now a terrible ball of messy
code. It was never intended to be robust against random fuzzer-style input,
which is what you seem to be feeding it. In particular, some of your input
contains binary zeroes, which will have weird effects.
The current development of PCRE is the PCRE2 series, 10.xx (10.22-RC1 is
currently available for testing). For the revised API I completely rewrote the
test program as pcre2test. This version is much cleaner and robust, and it even
detects (and complains about) binary zeroes in its input.
Although I may still look some more at your test cases, I am not sure that it
is worth worrying too much about this kind of issue in pcretest at this stage
of its life.
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