temp: trace dtls13 with the UAF fixed

Author: aidangarske

.github/workflows/diag.yml

@@ -60,22 +60,20 @@ jobs:
           grep -v 'would read block' /tmp/c.out | head -12
           exit $rc
 
-      - name: memory-bio-dtls -- does the up_ref fix work
+      - name: memory-bio-dtls -- dtls13 trace with the UAF fixed
         if: always()
         run: |
           cd dtls
           export LD_LIBRARY_PATH=/tmp/inst/lib
+          sed -i '143s/#if 0/#if 1/' memory-bio-dtls.c
           gcc -g -O0 -o /tmp/mb13 memory-bio-dtls.c -I/tmp/inst/include \
             -L/tmp/inst/lib -lwolfssl -lpthread -lm || exit 1
-          sed 's/#ifdef WOLFSSL_DTLS13/#if 0/' memory-bio-dtls.c > /tmp/mb12.c
-          gcc -g -O0 -o /tmp/mb12 /tmp/mb12.c -I/tmp/inst/include \
-            -L/tmp/inst/lib -lwolfssl -lpthread -lm || exit 1
-          bad=0
-          for v in 13 12; do
-            timeout 15 /tmp/mb$v > /tmp/o$v.txt 2>&1
-            rc=$?
-            echo "=== DTLS 1.$v : rc=$rc (0=works, 124=hang, 139=segv)"
-            cat /tmp/o$v.txt | head -8
-            [ $rc -eq 0 ] || bad=1
+          timeout 8 /tmp/mb13 > /tmp/o13.txt 2>&1
+          echo "rc=$?  lines=$(wc -l < /tmp/o13.txt)"
+          for pat in 'BIO_MEMORY_write' 'client success' 'accept success' \
+                     'Hello Retry' 'cookie' 'DoTls13' 'dtls13' 'Retransmit' 'Dropping'; do
+            printf '  %-20s %s\n' "$pat" "$(grep -ic "$pat" /tmp/o13.txt)"
           done
-          exit $bad
+          echo "=== last distinct wolfSSL messages before the spin:"
+          grep -oE 'wolfSSL (Entering|Leaving) [A-Za-z0-9_]+|wolfSSL error [^,]*' /tmp/o13.txt \
+            | uniq | tail -30