From 3716ddf3e4e1ef138df334d01980fea019272001 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Francesco=20Borz=C3=AC?= <borzifrancesco@gmail.com>
Date: Tue, 25 May 2021 18:05:13 +0200
Subject: [PATCH] fix(Core/WorldSession): prevent crash in SendPacket (#6045)

---
 src/server/game/Server/WorldSession.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/server/game/Server/WorldSession.cpp b/src/server/game/Server/WorldSession.cpp
index 2192060f9..d5950fa2e 100644
--- a/src/server/game/Server/WorldSession.cpp
+++ b/src/server/game/Server/WorldSession.cpp
@@ -200,7 +200,11 @@ ObjectGuid::LowType WorldSession::GetGuidLow() const
 /// Send a packet to the client
 void WorldSession::SendPacket(WorldPacket const* packet)
 {
-    ASSERT(packet->GetOpcode() != NULL_OPCODE);
+    if (packet->GetOpcode() == NULL_OPCODE)
+    {
+        LOG_ERROR("server", "WorldSession::SendPacket(packet) called, but packet->GetOpcode() was NULL_OPCODE");
+        return;
+    }
 
     if (!m_Socket)
         return;