From 22821241e2abff6d33f192992b956a119e516caf Mon Sep 17 00:00:00 2001
From: Ivan Nardi <12729895+IvanNardi@users.noreply.github.com>
Date: Tue, 20 Dec 2022 22:50:18 +0100
Subject: Fix some errors found by oss-fuzz (#1834)

---
 src/lib/ndpi_classify.c | 4 ++--
 src/lib/ndpi_utils.c    | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

(limited to 'src')

diff --git a/src/lib/ndpi_classify.c b/src/lib/ndpi_classify.c
index 61a140d8c..f1037411d 100644
--- a/src/lib/ndpi_classify.c
+++ b/src/lib/ndpi_classify.c
@@ -635,8 +635,8 @@ ndpi_timer_sub(const pkt_timeval *a,
                const pkt_timeval *b,
                pkt_timeval *result)
 {
-  result->tv_sec = a->tv_sec - b->tv_sec;
-  result->tv_usec = a->tv_usec - b->tv_usec;
+  result->tv_sec = (unsigned long long)a->tv_sec - (unsigned long long)b->tv_sec;
+  result->tv_usec = (unsigned long long)a->tv_usec - (unsigned long long)b->tv_usec;
   if(result->tv_usec < 0) {
     --result->tv_sec;
     result->tv_usec += 1000000;
diff --git a/src/lib/ndpi_utils.c b/src/lib/ndpi_utils.c
index b0922acd7..c7b2ff45a 100644
--- a/src/lib/ndpi_utils.c
+++ b/src/lib/ndpi_utils.c
@@ -2352,7 +2352,7 @@ static u_int8_t ndpi_check_hostname_risk_exception(struct ndpi_detection_module_
     
     if(automa->ac_automa) {
       AC_TEXT_t ac_input_text;
-      AC_REP_t match;
+      AC_REP_t match = {0};
       
       ac_input_text.astring = hostname, ac_input_text.length = strlen(hostname);
       ac_input_text.option = 0;
@@ -2657,7 +2657,7 @@ u_int8_t is_a_common_alpn(struct ndpi_detection_module_struct *ndpi_str,
 
   if(automa->ac_automa) {
     AC_TEXT_t ac_input_text;
-    AC_REP_t match;
+    AC_REP_t match = {0};
 
     ac_input_text.astring = (char*)alpn_to_check, ac_input_text.length = alpn_to_check_len;
     ac_input_text.option = 0;
-- 
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