From 7dd358972a15f9911a0bcb6f5389679bbe8dde5a Mon Sep 17 00:00:00 2001
From: Adam <Adam@anope.org>
Date: Wed, 12 Jun 2013 02:33:30 +0000
Subject: [PATCH] Fix possible crash in Extensible::ExtensibleUnserialize if a
 null entry is in it

---
 src/extensible.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/extensible.cpp b/src/extensible.cpp
index f408785e6..25fa7938c 100644
--- a/src/extensible.cpp
+++ b/src/extensible.cpp
@@ -82,8 +82,11 @@ void Extensible::ExtensibleUnserialize(Serialize::Data &data)
 	std::deque<Anope::string> list;
 	this->GetExtList(list);
 	for (unsigned i = 0; i < list.size(); ++i)
-		if ((*extension_items)[list[i]]->Serialize())
+	{
+		ExtensibleItem *item = extension_items->at(list[i]);
+		if (item && item->Serialize())
 			this->Shrink(list[i]);
+	}
 		
 	std::set<Anope::string> keys = data.KeySet();
 	for (std::set<Anope::string>::iterator it = keys.begin(), it_end = keys.end(); it != it_end; ++it)