[issue7458] crash in str.find() and str.rfind() with invalid start value

[STINNER Victor]

STINNER Victor <victor.stinner at haypocalc.com> added the comment:

> This bug does not occur on Debian 64 bits.

It does, sometime :-) Read uninitiliazed memory doesn't always crash.

   $ python -c "'ab'.rfind('xxx', (1 << 63) + 10, 0)"
   Erreur de segmentation

Note: my 64 bits test in CRASH_rfind.py is wrong, ctypes.c_long should
be used instead of ctypes.c_int.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue7458>
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