From 0a87754c998326f5aeca5e72e2932e59813314e2 Mon Sep 17 00:00:00 2001
From: Jason Volk <jason@zemos.net>
Date: Sat, 10 Apr 2021 17:39:48 -0700
Subject: [PATCH] ircd::gpt::vocab: Fix token init missing null terminations.

---
 ircd/gpt_vocab.cc | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/ircd/gpt_vocab.cc b/ircd/gpt_vocab.cc
index e361a39a9..64f231885 100644
--- a/ircd/gpt_vocab.cc
+++ b/ircd/gpt_vocab.cc
@@ -120,7 +120,19 @@ ircd::gpt::vocab::init_tokens()
 	for(const auto &[key, val] : json::object(vocab_json))
 	{
 		assert(tokens == lex_cast<uint16_t>(val));
-		json::unescape(token[tokens++], key);
+
+		auto &buf
+		{
+			token[tokens++]
+		};
+
+		const auto unescaped
+		{
+			json::unescape(buf, key)
+		};
+
+		for(size_t i(size(unescaped)); i < 16; ++i)
+			buf[i] = 0;
 	}
 }