From: William Lallemand <wlallemand@haproxy.org>
Date: Tue, 5 Oct 2021 14:19:31 +0000 (+0200)
Subject: BUG/MINOR: httpclient/lua: does not process headers when failed
X-Git-Tag: v2.5-dev9~114
X-Git-Url: http://git.haproxy.org/?a=commitdiff_plain;h=ef574b2101458d3af6b4c1453a7b5edadf001b66;p=haproxy-2.5.git

BUG/MINOR: httpclient/lua: does not process headers when failed

Do not try to process the header list when it is NULL. This case can
arrive when the request failed and did not return a response.
---

diff --git a/src/hlua.c b/src/hlua.c
index 5bb0535..9589473 100644
--- a/src/hlua.c
+++ b/src/hlua.c
@@ -6988,7 +6988,7 @@ __LJMP static int hlua_httpclient_get_headers(lua_State *L, struct hlua_httpclie
 
 	lua_newtable(L);
 
-	for (hdr = hlua_hc->hc->res.hdrs; isttest(hdr->n); hdr++) {
+	for (hdr = hlua_hc->hc->res.hdrs; hdr && isttest(hdr->n); hdr++) {
 		struct ist n, v;
 		int len;