From 0fece4355e2a5d494936d285eb200314112c9a8b Mon Sep 17 00:00:00 2001
From: ph10 <ph10@6239d852-aaf2-0410-a92c-79f79f948069>
Date: Tue, 21 Mar 2017 16:25:01 +0000
Subject: [PATCH] Fix memory leak when deserializing invalid data (Bugzilla
 2075).
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git-svn-id: svn://vcs.exim.org/pcre2/code/trunk@693 6239d852-aaf2-0410-a92c-79f79f948069

Petr Písař: Ported to 10.23.

diff --git a/src/pcre2_serialize.c b/src/pcre2_serialize.c
index 0af26d8..d2cc603 100644
--- a/src/pcre2_serialize.c
+++ b/src/pcre2_serialize.c
@@ -7,7 +7,7 @@ and semantics are as close as possible to those of the Perl 5 language.
 
                        Written by Philip Hazel
      Original API code Copyright (c) 1997-2012 University of Cambridge
-         New API code Copyright (c) 2016 University of Cambridge
+          New API code Copyright (c) 2016-2017 University of Cambridge
 
 -----------------------------------------------------------------------------
 Redistribution and use in source and binary forms, with or without
@@ -214,7 +214,10 @@ for (i = 0; i < number_of_codes; i++)
   if (dst_re->magic_number != MAGIC_NUMBER ||
       dst_re->name_entry_size > MAX_NAME_SIZE + IMM2_SIZE + 1 ||
       dst_re->name_count > MAX_NAME_COUNT)
+    {   
+    memctl->free(dst_re, memctl->memory_data); 
     return PCRE2_ERROR_BADSERIALIZEDDATA;
+    } 
 
   /* At the moment only one table is supported. */
 
-- 
2.7.4