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authorAnatol Belski <ab@php.net>2018-03-12 21:02:40 +0100
committerAnatol Belski <ab@php.net>2018-03-12 21:02:40 +0100
commitc469213e7b0e854be929ef108312e1ae2359d14b (patch)
treec6b32f0eb92cec88f79ad3239d90da4d2d6557a9
parent16570b8c7994442a73150fc9268447f9b293183d (diff)
parent4cd64aad8ad2f85de4a3a1ab8b83ae6108ce9388 (diff)
downloadphp-git-c469213e7b0e854be929ef108312e1ae2359d14b.tar.gz
Merge branch 'PHP-7.1' into PHP-7.2
* PHP-7.1: Fix heap use after free
-rw-r--r--ext/pdo_pgsql/pgsql_statement.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/ext/pdo_pgsql/pgsql_statement.c b/ext/pdo_pgsql/pgsql_statement.c
index 2d8e3c2fcf..b401917669 100644
--- a/ext/pdo_pgsql/pgsql_statement.c
+++ b/ext/pdo_pgsql/pgsql_statement.c
@@ -618,11 +618,13 @@ static zend_always_inline char * pdo_pgsql_translate_oid_to_table(Oid oid, PGcon
}
efree(querystr);
- if ((table_name = PQgetvalue(tmp_res, 0, 0)) == NULL) {
+ if (1 == PQgetisnull(tmp_res, 0, 0) || (table_name = PQgetvalue(tmp_res, 0, 0)) == NULL) {
PQclear(tmp_res);
return 0;
}
+ table_name = estrdup(table_name);
+
PQclear(tmp_res);
return table_name;
}
@@ -652,6 +654,7 @@ static int pgsql_stmt_get_column_meta(pdo_stmt_t *stmt, zend_long colno, zval *r
table_name = pdo_pgsql_translate_oid_to_table(table_oid, S->H->server);
if (table_name) {
add_assoc_string(return_value, "table", table_name);
+ efree(table_name);
}
switch (S->cols[colno].pgsql_type) {