BUG/MEDIUM: mux_pt: Don't forget to unsubscribe() on attach.
In the mux_pt, when we're attaching a new conn_stream, don't forget to
unsubscribe from the connection. Failure to do so may lead to the mux_pt
freeing the connection while the conn_stream can still want to access it.
diff --git a/src/mux_pt.c b/src/mux_pt.c
index 5a80848..1f0f3e5 100644
--- a/src/mux_pt.c
+++ b/src/mux_pt.c
@@ -142,6 +142,7 @@
struct conn_stream *cs;
struct mux_pt_ctx *ctx = conn->mux_ctx;
+ conn->xprt->unsubscribe(conn, SUB_CAN_RECV, &ctx->wait_event);
cs = cs_new(conn);
if (!cs)
goto fail;