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-rw-r--r--qapi/string-input-visitor.c6
-rw-r--r--tests/test-string-input-visitor.c13
2 files changed, 15 insertions, 4 deletions
diff --git a/qapi/string-input-visitor.c b/qapi/string-input-visitor.c
index b3fdd0827d..b89c6c4e06 100644
--- a/qapi/string-input-visitor.c
+++ b/qapi/string-input-visitor.c
@@ -20,6 +20,7 @@
#include "qemu/option.h"
#include "qemu/queue.h"
#include "qemu/range.h"
+#include "qemu/cutils.h"
struct StringInputVisitor
@@ -313,12 +314,9 @@ static void parse_type_number(Visitor *v, const char *name, double *obj,
Error **errp)
{
StringInputVisitor *siv = to_siv(v);
- char *endp = (char *) siv->string;
double val;
- errno = 0;
- val = strtod(siv->string, &endp);
- if (errno || endp == siv->string || *endp) {
+ if (qemu_strtod_finite(siv->string, NULL, &val)) {
error_setg(errp, QERR_INVALID_PARAMETER_TYPE, name ? name : "null",
"number");
return;
diff --git a/tests/test-string-input-visitor.c b/tests/test-string-input-visitor.c
index 88e0e1aa9a..1efba06948 100644
--- a/tests/test-string-input-visitor.c
+++ b/tests/test-string-input-visitor.c
@@ -252,6 +252,19 @@ static void test_visitor_in_number(TestInputVisitorData *data,
visit_type_number(v, NULL, &res, &err);
g_assert(!err);
g_assert_cmpfloat(res, ==, value);
+
+ /* NaN and infinity has to be rejected */
+
+ v = visitor_input_test_init(data, "NaN");
+
+ visit_type_number(v, NULL, &res, &err);
+ error_free_or_abort(&err);
+
+ v = visitor_input_test_init(data, "inf");
+
+ visit_type_number(v, NULL, &res, &err);
+ error_free_or_abort(&err);
+
}
static void test_visitor_in_string(TestInputVisitorData *data,