From 97131a52d7a52c3c266012ef067fbb9f53e2948a Mon Sep 17 00:00:00 2001
From: hvlad <hvlad@users.sourceforge.net>
Date: Wed, 11 Dec 2019 20:56:19 +0200
Subject: [PATCH] Fixed bug CORE-6204 : FB crash because
 TraceSvcJrd::checkPrivileges can pass NULL in 'alias'

---
 src/jrd/trace/TraceService.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/jrd/trace/TraceService.cpp b/src/jrd/trace/TraceService.cpp
index df29d776949..f6301bce29a 100644
--- a/src/jrd/trace/TraceService.cpp
+++ b/src/jrd/trace/TraceService.cpp
@@ -363,8 +363,8 @@ bool TraceSvcJrd::checkPrivileges(TraceSession& session)
 
 			try
 			{
-				mapUser(s_user, t_role, NULL, NULL, m_authBlock,
-					NULL, NULL, secDb, m_svc.getCryptCallback(), NULL);
+				mapUser(s_user, t_role, NULL, NULL, m_authBlock, "services manager", 
+					NULL, secDb, m_svc.getCryptCallback(), NULL);
 			}
 			catch (const Firebird::Exception&)
 			{