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CONC-142: Fix memory leak in connection

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When closing connection object the reference of server_version_info
needs to be decremented to prevent memory leakage.
This commit is contained in:
Georg Richter
2021-02-09 20:25:55 +01:00
parent e62ff462c5
commit 63a207e790
1 changed files with 42 additions and 0 deletions
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42
unittest/libmariadb/ps_bugs.c
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@@ -5316,7 +5316,49 @@ static int test_conc512(MYSQL *mysql)
return OK;
}
static int test_conc407(MYSQL *mysql)
{
MYSQL_STMT *stmt= mysql_stmt_init(mysql);
int rc;
MYSQL_BIND bind;
char data[20];
unsigned long length;
rc= mysql_query(mysql, "CREATE TEMPORARY TABLE t1 (a smallint(5) unsigned zerofill)");
check_mysql_rc(rc, mysql);
rc= mysql_query(mysql, "INSERT INTO t1 VALUES (27)");
check_mysql_rc(rc, mysql);
for (int i=1; i < 7; i++)
{
rc= mysql_stmt_prepare(stmt, SL("SELECT a FROM t1"));
check_stmt_rc(rc, stmt);
rc= mysql_stmt_execute(stmt);
check_stmt_rc(rc, stmt);
memset(&bind, 0, sizeof(MYSQL_BIND));
bind.buffer= data;
bind.buffer_type= MYSQL_TYPE_STRING;
bind.buffer_length= i;
bind.length= &length;
rc= mysql_stmt_bind_result(stmt, &bind);
check_stmt_rc(rc, stmt);
rc= mysql_stmt_fetch(stmt);
if (!rc)
diag("rc: %d buffer: %s", rc, data);
else
diag("rc: %d len: %d", rc, i);
}
mysql_stmt_close(stmt);
return OK;
}
struct my_tests_st my_tests[] = {
{"test_conc407", test_conc407, TEST_CONNECTION_NEW, 0, NULL, NULL},
{"test_conc512", test_conc512, TEST_CONNECTION_DEFAULT, 0, NULL, NULL},
{"test_conc504", test_conc504, TEST_CONNECTION_DEFAULT, 0, NULL, NULL},
{"test_returning", test_returning, TEST_CONNECTION_DEFAULT, 0, NULL, NULL},