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From f3b9337a2280db816ef6b2cbe3750b2991944c22 Mon Sep 17 00:00:00 2001
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From: zherczeg <zherczeg@6239d852-aaf2-0410-a92c-79f79f948069>
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Date: Tue, 18 Sep 2018 10:19:14 +0000
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Subject: [PATCH] Fix subject buffer overread in JIT. Found by Yunho Kim.
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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/pcre2/code/trunk@1011 6239d852-aaf2-0410-a92c-79f79f948069
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Petr Písař: Ported to 10.32. The tests were removed because they need
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a new test framework not availanble in 10.32.
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Signed-off-by: Petr Písař <ppisar@redhat.com>
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---
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src/pcre2_jit_compile.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/src/pcre2_jit_compile.c b/src/pcre2_jit_compile.c
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index 32e985b..b3015cc 100644
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--- a/src/pcre2_jit_compile.c
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+++ b/src/pcre2_jit_compile.c
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@@ -9951,7 +9951,7 @@ if (exact > 1)
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#ifdef SUPPORT_UNICODE
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&& !common->utf
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#endif
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- )
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+ && type != OP_ANYNL && type != OP_EXTUNI)
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{
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OP2(SLJIT_ADD, TMP1, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(exact));
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add_jump(compiler, &backtrack->topbacktracks, CMP(SLJIT_GREATER, TMP1, 0, STR_END, 0));
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--
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2.17.1
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