free the innerClientHello since it may be previously

allocated if an hrr happened
2023-09-26 19:20:01 -04:00
parent c0b49ce443
commit a5963b4b9f
1 changed files with 5 additions and 0 deletions
--- a/src/tls13.c
+++ b/src/tls13.c
@ -4540,6 +4540,11 @@ int SendTls13ClientHello(WOLFSSL* ssl)
        /* set the type to inner */
        args->ech->type = ECH_TYPE_INNER;

+        /* innerClientHello may already exist from hrr, free if it does */
+        if (args->ech->innerClientHello != NULL) {
+            XFREE(args->ech->innerClientHello, ssl->heap,
+                DYNAMIC_TYPE_TMP_BUFFER);
+        }
        /* allocate the inner */
        args->ech->innerClientHello =
            (byte*)XMALLOC(args->ech->innerClientHelloLen - args->ech->hpke->Nt,