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perl.import5471
perl-decode_xs.diff
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File perl-decode_xs.diff of Package perl.import5471
--- ./cpan/Encode/Unicode/Unicode.xs.orig 2011-11-21 17:10:28.000000000 +0000 +++ ./cpan/Encode/Unicode/Unicode.xs 2011-11-21 17:11:35.000000000 +0000 @@ -246,7 +246,8 @@ CODE: This prevents allocating too much in the rogue case of a large input consisting initially of long sequence uft8-byte unicode chars followed by single utf8-byte chars. */ - STRLEN remaining = (e - s)/usize; + /* +1 fixes Unicode.xs!decode_xs n-byte heap-overflow */ + STRLEN remaining = (e - s)/usize + 1; /* +1 to avoid the leak */ STRLEN max_alloc = remaining + (8*1024*1024); STRLEN est_alloc = remaining * UTF8_MAXLEN; STRLEN newlen = SvLEN(result) + /* min(max_alloc, est_alloc) */
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