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-rw-r--r--qemu/tests/check-qjson.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/qemu/tests/check-qjson.c b/qemu/tests/check-qjson.c
index 1cfffa593..99de6f525 100644
--- a/qemu/tests/check-qjson.c
+++ b/qemu/tests/check-qjson.c
@@ -10,6 +10,7 @@
* See the COPYING.LIB file in the top-level directory.
*
*/
+#include "qemu/osdep.h"
#include <glib.h>
#include "qapi/qmp/qstring.h"
@@ -1484,6 +1485,30 @@ static void unterminated_literal(void)
g_assert(obj == NULL);
}
+static char *make_nest(char *buf, size_t cnt)
+{
+ memset(buf, '[', cnt - 1);
+ buf[cnt - 1] = '{';
+ buf[cnt] = '}';
+ memset(buf + cnt + 1, ']', cnt - 1);
+ buf[2 * cnt] = 0;
+ return buf;
+}
+
+static void limits_nesting(void)
+{
+ enum { max_nesting = 1024 }; /* see qobject/json-streamer.c */
+ char buf[2 * (max_nesting + 1) + 1];
+ QObject *obj;
+
+ obj = qobject_from_json(make_nest(buf, max_nesting));
+ g_assert(obj != NULL);
+ qobject_decref(obj);
+
+ obj = qobject_from_json(make_nest(buf, max_nesting + 1));
+ g_assert(obj == NULL);
+}
+
int main(int argc, char **argv)
{
g_test_init(&argc, &argv, NULL);
@@ -1519,6 +1544,7 @@ int main(int argc, char **argv)
g_test_add_func("/errors/invalid_array_comma", invalid_array_comma);
g_test_add_func("/errors/invalid_dict_comma", invalid_dict_comma);
g_test_add_func("/errors/unterminated/literal", unterminated_literal);
+ g_test_add_func("/errors/limits/nesting", limits_nesting);
return g_test_run();
}