From 33fd7c63e1dd897da367322c4ab4e04ae2658750 Mon Sep 17 00:00:00 2001
From: Lyuma <xn.lyuma@gmail.com>
Date: Mon, 27 Jun 2022 19:02:42 -0700
Subject: Prevent out-of-bounds write in array conversion; avoid logspam on
 empty arrays.

---
 core/templates/vector.h | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'core/templates')

diff --git a/core/templates/vector.h b/core/templates/vector.h
index 2ac7c7630a..f3f5ed76a7 100644
--- a/core/templates/vector.h
+++ b/core/templates/vector.h
@@ -145,6 +145,9 @@ public:
 
 	Vector<uint8_t> to_byte_array() const {
 		Vector<uint8_t> ret;
+		if (is_empty()) {
+			return ret;
+		}
 		ret.resize(size() * sizeof(T));
 		memcpy(ret.ptrw(), ptr(), sizeof(T) * size());
 		return ret;
-- 
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