From e64f92a480f21e1c32aab8421ae47bd76e1c30d2 Mon Sep 17 00:00:00 2001
From: Nolkaloid <noe.le.cam.nlc@gmail.com>
Date: Wed, 26 Jun 2024 16:25:32 +0200
Subject: [PATCH] Fix wrong arguments in callv with const Array

---
 core/variant/callable.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/core/variant/callable.cpp b/core/variant/callable.cpp
index 667aae879cacda..1f69923c1e7f90 100644
--- a/core/variant/callable.cpp
+++ b/core/variant/callable.cpp
@@ -73,12 +73,18 @@ void Callable::callp(const Variant **p_arguments, int p_argcount, Variant &r_ret
 Variant Callable::callv(const Array &p_arguments) const {
 	int argcount = p_arguments.size();
 	const Variant **argptrs = nullptr;
+
 	if (argcount) {
 		argptrs = (const Variant **)alloca(sizeof(Variant *) * argcount);
+
+		// Use a duplicate if the array is readonly, otherwise the addess of p_arguments->read_only will be copied
+		const Array &arguments_source = p_arguments.is_read_only() ? p_arguments.duplicate() : p_arguments;
+
 		for (int i = 0; i < argcount; i++) {
-			argptrs[i] = &p_arguments[i];
+			argptrs[i] = &arguments_source[i];
 		}
 	}
+
 	CallError ce;
 	Variant ret;
 	callp(argptrs, argcount, ret, ce);