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diff --git a/src/kdc/do_tgs_req.c b/src/kdc/do_tgs_req.c
index 298e132..12180ff 100644
--- a/src/kdc/do_tgs_req.c
+++ b/src/kdc/do_tgs_req.c
@@ -1158,7 +1158,7 @@ prep_reprocess_req(krb5_kdc_req *request, krb5_principal *krbtgt_princ)
free(temp_buf);
if (retval) {
/* no match found */
- kdc_err(kdc_context, retval, 0);
+ kdc_err(kdc_context, retval, "unable to find realm of host");
goto cleanup;
}
if (realms == 0) {
diff --git a/src/lib/kadm5/logger.c b/src/lib/kadm5/logger.c
index efff818..ef3735a 100644
--- a/src/lib/kadm5/logger.c
+++ b/src/lib/kadm5/logger.c
@@ -188,6 +188,9 @@ klog_com_err_proc(const char *whoami, long int code, const char *format, va_list
char *cp;
char *syslogp;
+ if (whoami == NULL || format == NULL)
+ return;
+
/* Make the header */
snprintf(outbuf, sizeof(outbuf), "%s: ", whoami);
/*
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