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Diffstat (limited to 'src/lib/protocols/irc.c')
-rw-r--r--src/lib/protocols/irc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/lib/protocols/irc.c b/src/lib/protocols/irc.c
index 5ae0e34f7..37cfbe1ed 100644
--- a/src/lib/protocols/irc.c
+++ b/src/lib/protocols/irc.c
@@ -495,7 +495,7 @@ void ndpi_search_irc_tcp(struct ndpi_detection_module_struct *ndpi_struct, struc
packet->parsed_lines = 0;
}
for (i = 0; i < packet->parsed_lines; i++) {
- if (packet->line[i].ptr[0] == ':') {
+ if ((packet->line[i].len > 0) && packet->line[i].ptr[0] == ':') {
flow->l4.tcp.irc_3a_counter++;
if (flow->l4.tcp.irc_3a_counter == 7) { /* ':' == 0x3a */
NDPI_LOG_INFO(ndpi_struct, "found irc. 0x3a. seven times.");