From 887054a70b9af6a75f462c37e572e3d68e7f9127 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C5=81ukasz=20Plewa?= <lukasz.plewa@intel.com>
Date: Wed, 25 Oct 2023 16:29:31 +0200
Subject: [PATCH] Fix infinite loop in logger.
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

When there where was more arguments then "{}" in the format string
program hanged up due to infinite loop in format function.

Signed-off-by: Łukasz Plewa <lukasz.plewa@intel.com>
---
 source/common/logger/ur_sinks.hpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/source/common/logger/ur_sinks.hpp b/source/common/logger/ur_sinks.hpp
index 01362828b5..31b882f80c 100644
--- a/source/common/logger/ur_sinks.hpp
+++ b/source/common/logger/ur_sinks.hpp
@@ -110,6 +110,14 @@ class Sink {
                               << std::endl;
                 }
             }
+
+            if (*fmt == '\0') {
+                std::cerr << error_prefix
+                          << "Too many arguments!" << std::endl;
+                // ignore all left arguments and finalize message
+                format(buffer, fmt);
+                return;
+            }
         }
 
         format(buffer, ++fmt, std::forward<Args &&>(args)...);