--- modules/ssl/ssl_engine_io.c.orig 2020-02-20 16:33:40.000000000 -0800 +++ modules/ssl/ssl_engine_io.c 2021-02-25 16:08:04.863228000 -0800 @@ -242,7 +242,7 @@ static int bio_filter_out_write(BIO *bio, const char * static long bio_filter_out_ctrl(BIO *bio, int cmd, long num, void *ptr) { - long ret = 1; + long ret = 0; bio_filter_out_ctx_t *outctx = (bio_filter_out_ctx_t *)BIO_get_data(bio); switch (cmd) {