BUG/MEDIUM: mux_h2: Don't add to the idle list if we're full.
In h2_detach(), don't add the connection to the idle list if nb_streams
is at the max. This can happen if we already closed that stream before, so
its slot became available and was used by another stream.
This should be backported to 1.9.
diff --git a/src/mux_h2.c b/src/mux_h2.c
index 1906d58..3786d03 100644
--- a/src/mux_h2.c
+++ b/src/mux_h2.c
@@ -2970,7 +2970,7 @@
/* Never ever allow to reuse a connection from a non-reuse backend */
if ((h2c->proxy->options & PR_O_REUSE_MASK) == PR_O_REUSE_NEVR)
h2c->conn->flags |= CO_FL_PRIVATE;
- if (LIST_ISEMPTY(&h2c->conn->list)) {
+ if (LIST_ISEMPTY(&h2c->conn->list) && h2c->nb_streams < h2_settings_max_concurrent_streams) {
struct server *srv = objt_server(h2c->conn->target);
if (srv) {