cederom commented on code in PR #18857:
URL: https://github.com/apache/nuttx/pull/18857#discussion_r3210367649
##########
net/sixlowpan/sixlowpan_input.c:
##########
@@ -200,6 +213,14 @@ static uint16_t sixlowpan_uncompress_ipv6proto(FAR uint8_t
*fptr,
FAR struct tcp_hdr_s *tcp =
(FAR struct tcp_hdr_s *)(fptr + g_frame_hdrlen);
+ /* Check if the frame is too short */
+
+ if (fptr + g_frame_hdrlen + sizeof(struct tcp_hdr_s) > endofframe)
Review Comment:
too short or too long? :-P
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