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A fix and test case for Bug#8330 "mysql_stmt_execute crashes" (libmysql).

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This commit is contained in:
konstantin@mysql.com 2005-02-10 14:56:20 +03:00
parent 845139731b
commit 016544df22
2 changed files with 59 additions and 0 deletions
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5
libmysql/libmysql.c
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@ -2467,6 +2467,11 @@ int cli_stmt_execute(MYSQL_STMT *stmt)
set_stmt_error(stmt, CR_PARAMS_NOT_BOUND, unknown_sqlstate);
DBUG_RETURN(1);
}
if (stmt->mysql->status != MYSQL_STATUS_READY)
{
set_stmt_error(stmt, CR_COMMANDS_OUT_OF_SYNC, unknown_sqlstate);
DBUG_RETURN(1);
}
net_clear(net); /* Sets net->write_pos */
/* Reserve place for null-marker bytes */

54
tests/mysql_client_test.c
View file

@ -24,6 +24,7 @@
#include <my_global.h>
#include <my_sys.h>
#include <mysql.h>
#include <errmsg.h>
#include <my_getopt.h>
#include <m_string.h>
@ -11532,6 +11533,58 @@ static void test_bug6761(void)
myquery(rc);
}
/* Bug#8330 - Bug #8330 mysql_stmt_execute crashes (libmysql) */
static void test_bug8330()
{
const char *stmt_text;
MYSQL_STMT *stmt[2];
int i, rc;
char *query= "select a,b from t1 where a=?";
MYSQL_BIND bind[2];
long lval[2];
myheader("test_bug8330");
stmt_text= "drop table if exists t1";
/* in case some previos test failed */
rc= mysql_real_query(mysql, stmt_text, strlen(stmt_text));
myquery(rc);
stmt_text= "create table t1 (a int, b int)";
rc= mysql_real_query(mysql, stmt_text, strlen(stmt_text));
myquery(rc);
bzero(bind, sizeof(bind));
for (i=0; i < 2; i++)
{
stmt[i]= mysql_stmt_init(mysql);
rc= mysql_stmt_prepare(stmt[i], query, strlen(query));
check_execute(stmt[i], rc);
bind[i].buffer_type= MYSQL_TYPE_LONG;
bind[i].buffer= (void*) &lval[i];
bind[i].is_null= 0;
mysql_stmt_bind_param(stmt[i], &bind[i]);
}
rc= mysql_stmt_execute(stmt[0]);
check_execute(stmt[0], rc);
rc= mysql_stmt_execute(stmt[1]);
DIE_UNLESS(rc && mysql_stmt_errno(stmt[1]) == CR_COMMANDS_OUT_OF_SYNC);
rc= mysql_stmt_execute(stmt[0]);
check_execute(stmt[0], rc);
mysql_stmt_close(stmt[0]);
mysql_stmt_close(stmt[1]);
stmt_text= "drop table t1";
rc= mysql_real_query(mysql, stmt_text, strlen(stmt_text));
myquery(rc);
}
/*
Read and parse arguments and MySQL options from my.cnf
*/
@ -11739,6 +11792,7 @@ static struct my_tests_st my_tests[]= {
{ "test_conversion", test_conversion },
{ "test_rewind", test_rewind },
{ "test_bug6761", test_bug6761 },
{ "test_bug8330", test_bug8330 },
{ 0, 0 }
};