fuzz: disable signal handlers while fuzzing

src/suricata.c

@@ -2226,8 +2226,10 @@ static int MayDaemonize(SCInstance *suri)
 static int InitSignalHandler(SCInstance *suri)
 {
     /* registering signals we use */
+#ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
     UtilSignalHandlerSetup(SIGINT, SignalHandlerSigint);
     UtilSignalHandlerSetup(SIGTERM, SignalHandlerSigterm);
+#endif
 #ifndef OS_WIN32
     UtilSignalHandlerSetup(SIGHUP, SignalHandlerSigHup);
     UtilSignalHandlerSetup(SIGPIPE, SIG_IGN);