From: Willy Tarreau <w@1wt.eu>
Date: Wed, 19 Dec 2018 17:33:16 +0000 (+0100)
Subject: BUG/MINOR: mux-h2: make sure we check the conn_stream in early data
X-Git-Tag: v1.9.0~6
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=fde287cc76f8a3906dae61e3b098956b2afc99fe;p=thirdparty%2Fhaproxy.git

BUG/MINOR: mux-h2: make sure we check the conn_stream in early data

When dealing with early data we scan the list of stream to notify them.
We're not supposed to have h2s->cs == NULL here but it doesn't cost much
to make the scan more robust and verify it before notifying.

No backport is needed.
---

diff --git a/src/mux_h2.c b/src/mux_h2.c
index 4ca71222c0..faa5d0bcc2 100644
--- a/src/mux_h2.c
+++ b/src/mux_h2.c
@@ -2665,7 +2665,7 @@ static int h2_process(struct h2c *h2c)
 
 		while (node) {
 			h2s = container_of(node, struct h2s, by_id);
-			if (h2s->cs->flags & CS_FL_WAIT_FOR_HS)
+			if (h2s->cs && h2s->cs->flags & CS_FL_WAIT_FOR_HS)
 				h2s_notify_recv(h2s);
 			node = eb32_next(node);
 		}