From 0566a5833bbdc6000727a6314452295283cbd2af Mon Sep 17 00:00:00 2001
From: Tatsuhiro Tsujikawa <tatsuhiro.t@gmail.com>
Date: Mon, 30 Aug 2021 18:39:28 +0900
Subject: [PATCH] nghttpx: Fix infinite loop

---
 src/shrpx.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/shrpx.cc b/src/shrpx.cc
index e69505e9..55ffbb29 100644
--- a/src/shrpx.cc
+++ b/src/shrpx.cc
@@ -1211,7 +1211,8 @@ get_inherited_quic_lingering_worker_process_from_env() {
       auto hex_cid_prefix = StringRef{p, end};
       if (hex_cid_prefix.size() != SHRPX_QUIC_CID_PREFIXLEN * 2 ||
           !util::is_hex_string(hex_cid_prefix)) {
-        continue;
+        LOG(WARN) << "Found invalid CID prefix=" << hex_cid_prefix;
+        break;
       }
 
       if (LOG_ENABLED(INFO)) {