From 484a1ad67e39da4d5cf07ad4687873364e1aafd4 Mon Sep 17 00:00:00 2001
From: "zhaozhao.zz" <276441700@qq.com>
Date: Mon, 11 Oct 2021 13:58:42 +0800
Subject: [PATCH] master client should ignore proto_max_bulk_len in bitops
 (#9626)

---
 src/bitops.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/bitops.c b/src/bitops.c
index 44ed684bd..435ab7a33 100644
--- a/src/bitops.c
+++ b/src/bitops.c
@@ -429,7 +429,7 @@ int getBitOffsetFromArgument(client *c, robj *o, uint64_t *offset, int hash, int
     if (usehash) loffset *= bits;
 
     /* Limit offset to server.proto_max_bulk_len (512MB in bytes by default) */
-    if ((loffset < 0) || (loffset >> 3) >= server.proto_max_bulk_len)
+    if (loffset < 0 || (!(c->flags & CLIENT_MASTER) && (loffset >> 3) >= server.proto_max_bulk_len))
     {
         addReplyError(c,err);
         return C_ERR;