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commit    af471919bc7e501ee75dd48be763fbdb9c7b530a
Author:   Michael Meskes <meskes@postgresql.org>
Date:     Fri Mar 10 09:32:41 2017 +0000
First released in: 10.0, 9.2.21, 9.3.17, 9.4.12, 9.5.7, 9.6.3

    Fix a potential double-free in ecpg.


 src/interfaces/ecpg/preproc/pgc.l | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/interfaces/ecpg/preproc/pgc.l b/src/interfaces/ecpg/preproc/pgc.l
index 3aa63ae2c13..763b2de3e7e 100644
--- a/src/interfaces/ecpg/preproc/pgc.l
+++ b/src/interfaces/ecpg/preproc/pgc.l
@@ -541,6 +541,7 @@ cppline			{space}*#([^i][A-Za-z]*|{if}|{ifdef}|{ifndef}|{import})(.*\\{space})*.
 				{
 					addlit(yytext, yyleng);
 					free(dolqstart);
+					dolqstart = NULL;
 					BEGIN(SQL);
 					base_yylval.str = mm_strdup(literalbuf);
 					return DOLCONST;


[parent: c6dc45d157a6]