X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/675033addfeaa8e56f051560bf7defa8a5b709ee..4c683712d4b483b43f16d41d09ec6232cbc917ca:/print-tcp.c?ds=sidebyside

diff --git a/print-tcp.c b/print-tcp.c
index 862d0216..aa756021 100644
--- a/print-tcp.c
+++ b/print-tcp.c
@@ -425,9 +425,11 @@ tcp_print(netdissect_options *ndo,
                 }
         }
 
-        if (flags & TH_ACK) {
+        if (flags & TH_ACK)
                 ND_PRINT(", ack %u", ack);
-        }
+        else
+                if (ndo->ndo_vflag > 1 && ack != 0)
+                        ND_PRINT(", [ack %u != 0 while ACK flag not set]", ack);
 
         ND_PRINT(", win %u", win);
 
@@ -718,8 +720,11 @@ tcp_print(netdissect_options *ndo,
                 nd_trunc_longjmp(ndo);
         }
         bp += header_len;
-        if ((flags & TH_RST) && ndo->ndo_vflag) {
-                print_tcp_rst_data(ndo, bp, length);
+        if (flags & TH_RST) {
+                if(ndo->ndo_vflag)
+                        print_tcp_rst_data(ndo, bp, length);
+                else
+                        ND_TCHECK_LEN(bp, length);
                 return;
         }