pcre-8.42-Fix-subject-buffer-overread-in-JIT.patch

   1 From 1aa76cb33f04fcea3127a0859450e5d18369e5e2 Mon Sep 17 00:00:00 2001
   2 From: zherczeg <zherczeg@2f5784b3-3f2a-0410-8824-cb99058d5e15>
   3 Date: Fri, 21 Sep 2018 07:34:10 +0000
   4 Subject: [PATCH] Fix subject buffer overread in JIT.
   5 MIME-Version: 1.0
   6 Content-Type: text/plain; charset=UTF-8
   7 Content-Transfer-Encoding: 8bit
   8
   9 git-svn-id: svn://vcs.exim.org/pcre/code/trunk@1740 2f5784b3-3f2a-0410-8824-cb99058d5e15
  10 Petr Písař: Ported to 8.42.
  11 ---
  12  pcre_jit_compile.c | 2 +-
  13
  14 diff --git a/pcre_jit_compile.c b/pcre_jit_compile.c
  15 index 2bad74b..bc5f9c0 100644
  16 --- a/pcre_jit_compile.c
  17 +++ b/pcre_jit_compile.c
  18 @@ -9002,7 +9002,7 @@ if (exact > 1)
  19  #ifdef SUPPORT_UTF
  20        && !common->utf
  21  #endif
  22 -      )
  23 +      && type != OP_ANYNL && type != OP_EXTUNI)
  24      {
  25      OP2(SLJIT_ADD, TMP1, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(exact));
  26      add_jump(compiler, &backtrack->topbacktracks, CMP(SLJIT_GREATER, TMP1, 0, STR_END, 0));
  27 --
  28 2.17.2
  29