From d8ac56b8fb6f7af1e644a3109e9b97b2626a558a Mon Sep 17 00:00:00 2001
From: Shuo <js982986555@live.com>
Date: Thu, 2 Apr 2020 15:01:23 +0800
Subject: [PATCH] fix(asan): global-buffer-overflow in function escape_sds_argv
 of data_operations.cpp (#509)

Co-authored-by: HuangWei <huangwei5@xiaomi.com>
Co-authored-by: Wu Tao <wutao163.com@163.com>
---
 src/shell/commands/data_operations.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/shell/commands/data_operations.cpp b/src/shell/commands/data_operations.cpp
index b9dad86f38..3ce7540ecd 100644
--- a/src/shell/commands/data_operations.cpp
+++ b/src/shell/commands/data_operations.cpp
@@ -2430,7 +2430,7 @@ void escape_sds_argv(int argc, sds *argv)
 {
     for (int i = 0; i < argc; i++) {
         const size_t dest_len = sdslen(argv[i]) * 4 + 1; // Maximum possible expansion
-        sds new_arg = sdsnewlen("", dest_len);
+        sds new_arg = sdsnewlen(NULL, dest_len);
         pegasus::utils::c_escape_string(argv[i], sdslen(argv[i]), new_arg, dest_len);
         sdsfree(argv[i]);
         argv[i] = new_arg;