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Red Hat Bugzilla – Attachment 584345 Details for
Bug 821405
Regular expression compiler miscounts capturing parenthesis
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Reproducer
5_12_heap_corruption (text/plain), 361 bytes, created by
Petr Pisar
on 2012-05-14 11:49:16 UTC
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Description:
Reproducer
Filename:
MIME Type:
Creator:
Petr Pisar
Created:
2012-05-14 11:49:16 UTC
Size:
361 bytes
patch
obsolete
>#!/usr/bin/perl >use strict; use warnings; > >$_ = 'aaa x=${ \$x } bbb a=@a=@{ \@a } ccc'; >s{ > ([\$\@]) > (?| # re-use $1, $2 etc in each alternation > ([^\w\s\{]) > | ( \{ > ( > (?> \\. > | [^\{\}\\]++ > | \{ (?0) \} > )* > ) > \} > ) > ) > } > {replacement}xgs;
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