From: bones_was_here <bones_was_here@xonotic.au>
Date: Sun, 16 Jul 2023 07:30:37 +0000 (+1000)
Subject: items: warn instead of crashing if spawned with no pickup sound set
X-Git-Url: http://de.git.xonotic.org/?a=commitdiff_plain;h=9375a0a0df0b5753b14de78cbde928547fb45ad3;p=xonotic%2Fxonotic-data.pk3dir.git

items: warn instead of crashing if spawned with no pickup sound set

Fixes null ptr deref when starting map dfwc2017-6, which was made easy
to trigger by 5606e7035655b105545cc7fbcbffa96e653b4e82
---

diff --git a/qcsrc/server/items/items.qc b/qcsrc/server/items/items.qc
index e06c6f074..bf9233ecd 100644
--- a/qcsrc/server/items/items.qc
+++ b/qcsrc/server/items/items.qc
@@ -976,9 +976,13 @@ void StartItem(entity this, entity def)
 	startitem_failed = false;
 
 	this.item_model_ent = def.m_model;
-	this.item_pickupsound_ent = def.m_sound;
-	if (!this.item_pickupsound)
+
+	if (!this.item_pickupsound_ent)
+		this.item_pickupsound_ent = def.m_sound;
+	if (!this.item_pickupsound && this.item_pickupsound_ent)
 		this.item_pickupsound = Sound_fixpath(this.item_pickupsound_ent);
+	if (this.item_pickupsound == "")
+		LOG_WARNF("No pickup sound set for a %s", this.classname);
 
 	if(def.m_iteminit)
 		def.m_iteminit(def, this);