From d32452d90c9925d293e1566b684caeb4bc20a3f3 Mon Sep 17 00:00:00 2001
From: Joanna Hulboj <joanna.hulboj@gmail.com>
Date: Wed, 14 Dec 2022 19:57:41 +0000
Subject: [PATCH] Fixed use-after-free of BLAKE3 error message

As std::string is not POD there sadly was no warning from the compiler.
---
 src/Functions/FunctionsHashing.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Functions/FunctionsHashing.h b/src/Functions/FunctionsHashing.h
index ee5f3ea86b5..2d1f0ea0c39 100644
--- a/src/Functions/FunctionsHashing.h
+++ b/src/Functions/FunctionsHashing.h
@@ -668,7 +668,7 @@ struct ImplBLAKE3
         {
             auto err_st = std::string(err_msg);
             blake3_free_char_pointer(err_msg);
-            throw Exception("Function returned error message: " + std::string(err_msg), ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT);
+            throw Exception("Function returned error message: " + err_st, ErrorCodes::ILLEGAL_TYPE_OF_ARGUMENT);
         }
     }
     #endif