A bug in PCRE could cause core dumps in patterns such as
'((a)*)*'. Andrew Kuchling posted a fix to the string-sig.
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@ -809,6 +809,13 @@ do {
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case OP_KETRMIN:
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return TRUE;
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/* Skip over entire bracket groups with zero lower bound */
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case OP_BRAZERO:
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case OP_BRAMINZERO:
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cc++;
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/* Fall through */
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/* Skip over assertive subpatterns */
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case OP_ASSERT:
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@ -823,8 +830,6 @@ do {
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case OP_EOD:
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case OP_CIRC:
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case OP_DOLL:
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case OP_BRAZERO:
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case OP_BRAMINZERO:
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case OP_NOT_WORD_BOUNDARY:
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case OP_WORD_BOUNDARY:
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case OP_NOT_WORD_BOUNDARY_L:
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