diff options
Diffstat (limited to 'src/lib/protocols/netbios.c')
| -rw-r--r-- | src/lib/protocols/netbios.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/lib/protocols/netbios.c b/src/lib/protocols/netbios.c index a53a2bfe1..fa47cc4a0 100644 --- a/src/lib/protocols/netbios.c +++ b/src/lib/protocols/netbios.c @@ -80,7 +80,8 @@ static void ndpi_int_netbios_add_connection(struct ndpi_detection_module_struct char name[64]; u_int off = flow->packet.payload[12] == 0x20 ? 12 : 14; - if(ndpi_netbios_name_interpret((char*)&flow->packet.payload[off], flow->packet.payload_packet_len - off, name, sizeof(name)) > 0) + if(off > flow->packet.payload_packet_len && + ndpi_netbios_name_interpret((char*)&flow->packet.payload[off], flow->packet.payload_packet_len - off, name, sizeof(name)) > 0) snprintf((char*)flow->host_server_name, sizeof(flow->host_server_name)-1, "%s", name); if(sub_protocol == NDPI_PROTOCOL_UNKNOWN) |