pkarashchenko commented on code in PR #6428: URL: https://github.com/apache/incubator-nuttx/pull/6428#discussion_r897039891
########## net/tcp/tcp_input.c: ########## @@ -629,6 +629,17 @@ static void tcp_input(FAR struct net_driver_s *dev, uint8_t domain, dev->d_len -= (len + iplen); + /* d_appdata should remove the tcp specific option field. */ + + if ((tcp->tcpoffset & 0xf0) > 0x50) + { + len = ((tcp->tcpoffset >> 4) - 5) << 2; + if (len > 0 && dev->d_len >= len) Review Comment: I think `len` is always `> 0` if we are reaching here. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: commits-unsubscr...@nuttx.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org