From ea305b2190382045b2e6f7c5b5742a12cb15f08f Mon Sep 17 00:00:00 2001
From: "John J. Rushford" <jrushford@apache.org>
Date: Wed, 28 Apr 2021 07:06:33 -0600
Subject: [PATCH] Fixes Issue #7739 - Next hop strategy with bad 'to' URL
 causes TS crash. (#7749)

---
 proxy/http/remap/NextHopConsistentHash.cc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/proxy/http/remap/NextHopConsistentHash.cc b/proxy/http/remap/NextHopConsistentHash.cc
index be47d6d5f05..c079a8d2f2b 100644
--- a/proxy/http/remap/NextHopConsistentHash.cc
+++ b/proxy/http/remap/NextHopConsistentHash.cc
@@ -320,8 +320,10 @@ NextHopConsistentHash::findNextHop(TSHttpTxn txnp, void *ih, time_t now)
       }
       switch (ring_mode) {
       case NH_ALTERNATE_RING:
-        if (groups > 0) {
+        if (pRec && groups > 0) {
           cur_ring = (pRec->group_index + 1) % groups;
+        } else {
+          cur_ring = 0;
         }
         break;
       case NH_EXHAUST_RING: