80 lines
2.7 KiB
Diff
80 lines
2.7 KiB
Diff
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From 51b522c0120d061f54317f8a1cede05328c97aca Mon Sep 17 00:00:00 2001
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From: ph10 <ph10@6239d852-aaf2-0410-a92c-79f79f948069>
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Date: Sat, 25 Mar 2017 15:19:49 +0000
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Subject: [PATCH] Fix bug introduced at 10.21: use memory allocator from the
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pattern if no context is supplied to pcre2_match().
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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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Ported to 10.23:
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commit 1b7e16d584f0560dd84d2a3260cf08e1a86cccc1
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Author: ph10 <ph10@6239d852-aaf2-0410-a92c-79f79f948069>
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Date: Sat Mar 25 15:19:49 2017 +0000
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Fix bug introduced at 10.21: use memory allocator from the pattern if no
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context is supplied to pcre2_match().
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git-svn-id: svn://vcs.exim.org/pcre2/code/trunk@707 6239d852-aaf2-0410-a92c-
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79f79f948069
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Signed-off-by: Petr Písař <ppisar@redhat.com>
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---
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src/pcre2_match.c | 18 ++++++++++--------
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1 file changed, 10 insertions(+), 8 deletions(-)
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diff --git a/src/pcre2_match.c b/src/pcre2_match.c
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index 78a9bac..52bb843 100644
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--- a/src/pcre2_match.c
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+++ b/src/pcre2_match.c
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@@ -6518,11 +6518,6 @@ options |= (re->flags & FF) / ((FF & (~FF+1)) / (OO & (~OO+1)));
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#undef FF
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#undef OO
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-/* A NULL match context means "use a default context" */
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-
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-if (mcontext == NULL)
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- mcontext = (pcre2_match_context *)(&PRIV(default_match_context));
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-
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/* These two settings are used in the code for checking a UTF string that
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follows immediately afterwards. Other values in the mb block are used only
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during interpretive pcre_match() processing, not when the JIT support is in
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@@ -6590,7 +6585,7 @@ if (utf && (options & PCRE2_NO_UTF_CHECK) == 0)
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/* It is an error to set an offset limit without setting the flag at compile
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time. */
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-if (mcontext->offset_limit != PCRE2_UNSET &&
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+if (mcontext != NULL && mcontext->offset_limit != PCRE2_UNSET &&
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(re->overall_options & PCRE2_USE_OFFSET_LIMIT) == 0)
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return PCRE2_ERROR_BADOFFSETLIMIT;
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@@ -6609,7 +6604,15 @@ if (re->executable_jit != NULL && (options & ~PUBLIC_JIT_MATCH_OPTIONS) == 0)
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}
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#endif
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-/* Carry on with non-JIT matching. */
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+/* Carry on with non-JIT matching. A NULL match context means "use a default
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+context", but we take the memory control functions from the pattern. */
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+
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+if (mcontext == NULL)
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+ {
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+ mcontext = (pcre2_match_context *)(&PRIV(default_match_context));
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+ mb->memctl = re->memctl;
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+ }
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+else mb->memctl = mcontext->memctl;
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anchored = ((re->overall_options | options) & PCRE2_ANCHORED) != 0;
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firstline = (re->overall_options & PCRE2_FIRSTLINE) != 0;
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@@ -6621,7 +6624,6 @@ bumpalong_limit = (mcontext->offset_limit == PCRE2_UNSET)?
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mb->callout = mcontext->callout;
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mb->callout_data = mcontext->callout_data;
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-mb->memctl = mcontext->memctl;
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#ifdef HEAP_MATCH_RECURSE
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mb->stack_memctl = mcontext->stack_memctl;
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#endif
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--
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2.7.4
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