From edeaf85cab10b2d9bc151363779f70822d679472 Mon Sep 17 00:00:00 2001
From: Itamar Haber <itamar@redislabs.com>
Date: Wed, 17 Oct 2018 19:33:11 +0300
Subject: [PATCH] Plugs a potential underflow

---
 src/t_stream.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/t_stream.c b/src/t_stream.c
index 6244c784..e4c9fed5 100644
--- a/src/t_stream.c
+++ b/src/t_stream.c
@@ -1921,6 +1921,7 @@ void xpendingCommand(client *c) {
     if (c->argc >= 6) {
         if (getLongLongFromObjectOrReply(c,c->argv[5],&count,NULL) == C_ERR)
             return;
+        if (count < 0) count = 0;
         if (streamParseIDOrReply(c,c->argv[3],&startid,0) == C_ERR)
             return;
         if (streamParseIDOrReply(c,c->argv[4],&endid,UINT64_MAX) == C_ERR)