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-rw-r--r--hw/cpu/core.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/hw/cpu/core.c b/hw/cpu/core.c
index 2bf960d6a8..bd578ab80c 100644
--- a/hw/cpu/core.c
+++ b/hw/cpu/core.c
@@ -33,6 +33,11 @@ static void core_prop_set_core_id(Object *obj, Visitor *v, const char *name,
return;
}
+ if (value < 0) {
+ error_setg(errp, "Invalid core id %"PRId64, value);
+ return;
+ }
+
core->core_id = value;
}