quiche: decrease available buffer size, don't assign it!

Found-by: Jeremy Lainé

diff --git a/lib/vquic/quiche.c b/lib/vquic/quiche.c
index a17bd6a1cb5f5502cf7f2b039967188a0d705d7f..7968f7e179c8432f7f17e9e8507b0046460e6c27 100644 (file)
--- a/lib/vquic/quiche.c
+++ b/lib/vquic/quiche.c
@@ -442,7 +442,7 @@ static ssize_t h3_stream_recv(struct connectdata *conn,
         buf[0] = '\r';
         buf[1] = '\n';
         buf += 2;
-        buffersize = 2;
+        buffersize -= 2;
         stream->firstbody = TRUE;
         recvd = 2; /* two bytes already */
       }