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25 lines
687 B
Diff
25 lines
687 B
Diff
From: Tobias Geerinckx-Rice <me@tobias.gr>
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Date: Thu, 01 Aug 2019 21:12:52 +0200
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Subject: [PATCH] gnu: pcre2: Fix jit_match crash.
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Fixes <https://bugs.exim.org/show_bug.cgi?id=2421>, reported as a ‘secrity
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problem’.
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Copied verbatim from upstream[0].
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[0]: https://vcs.pcre.org/pcre2/code/trunk/src/pcre2_jit_compile.c?view=patch&r1=1089&r2=1092&pathrev=1092
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--- trunk/src/pcre2_jit_compile.c 2019/05/10 13:15:20 1089
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+++ trunk/src/pcre2_jit_compile.c 2019/05/13 16:38:18 1092
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@@ -8571,7 +8571,10 @@
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PCRE2_SPTR bptr;
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uint32_t c;
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-GETCHARINC(c, cc);
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+/* Patch by PH */
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+/* GETCHARINC(c, cc); */
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+
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+c = *cc++;
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#if PCRE2_CODE_UNIT_WIDTH == 32
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if (c >= 0x110000)
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return NULL;
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