38 lines
1.0 KiB
Diff
38 lines
1.0 KiB
Diff
From 312dd5d85714f73c247131b541405cf0bf24581b Mon Sep 17 00:00:00 2001
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From: ph10 <ph10@2f5784b3-3f2a-0410-8824-cb99058d5e15>
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Date: Thu, 23 Feb 2017 16:24:08 +0000
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Subject: [PATCH] Make pcretest check size of \O argument.
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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git-svn-id: svn://vcs.exim.org/pcre/code/trunk@1686 2f5784b3-3f2a-0410-8824-cb99058d5e15
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Petr Písař: Ported to 8.40.
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diff --git a/pcretest.c b/pcretest.c
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index 797f99c..0a153be 100644
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--- a/pcretest.c
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+++ b/pcretest.c
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@@ -4834,7 +4834,16 @@ while (!done)
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continue;
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case 'O':
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- while(isdigit(*p)) n = n * 10 + *p++ - '0';
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+ while(isdigit(*p))
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+ {
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+ if (n > (INT_MAX-10)/10) /* Hack to stop fuzzers */
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+ {
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+ printf("** \\O argument is too big\n");
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+ yield = 1;
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+ goto EXIT;
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+ }
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+ n = n * 10 + *p++ - '0';
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+ }
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if (n > size_offsets_max)
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{
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size_offsets_max = n;
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--
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2.7.4
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