1 files changed, 3 insertions, 2 deletions
diff --git a/hmp.c b/hmp.c
index d16761f32e..83e287e0a4 100644
--- a/hmp.c
+++ b/hmp.c
@@ -1344,7 +1344,7 @@ void hmp_migrate_set_parameter(Monitor *mon, const QDict *qdict)
 {
     const char *param = qdict_get_str(qdict, "parameter");
     const char *valuestr = qdict_get_str(qdict, "value");
-    int64_t valuebw = 0;
+    uint64_t valuebw = 0;
     long valueint = 0;
     Error *err = NULL;
     bool use_int_value = false;
@@ -1385,7 +1385,8 @@ void hmp_migrate_set_parameter(Monitor *mon, const QDict *qdict)
             case MIGRATION_PARAMETER_MAX_BANDWIDTH:
                 p.has_max_bandwidth = true;
                 ret = qemu_strtosz_MiB(valuestr, NULL, &valuebw);
-                if (ret < 0 || (size_t)valuebw != valuebw) {
+                if (ret < 0 || valuebw > INT64_MAX
+                    || (size_t)valuebw != valuebw) {
                     error_setg(&err, "Invalid size %s", valuestr);
                     goto cleanup;
                 }