Fix a segfault when writing a very fragmented evbuffer onto an SSL

Fixes bug 2916328.

diff --git a/bufferevent_openssl.c b/bufferevent_openssl.c
index 7644886b22437f29613ee633408bced6184a7de4..c44fca30a99bd92b588b6c595c5e22fb7385f149 100644 (file)
--- a/bufferevent_openssl.c
+++ b/bufferevent_openssl.c
@@ -590,6 +590,8 @@ do_write(struct bufferevent_openssl *bev_ssl, int atmost)
        if (n < 0)
                return -1;
 
+       if (n > 8)
+               n = 8;
        for (i=0; i < n; ++i) {
                r = SSL_write(bev_ssl->ssl, space[i].iov_base,
                    space[i].iov_len);