From 19e2d9d6fad7e021da30faf7246031caa4f0f51b Mon Sep 17 00:00:00 2001
From: Vitaliy Filippov <vitalif@yourcmc.ru>
Date: Fri, 1 Dec 2023 00:55:51 +0300
Subject: [PATCH] Fix crash on unknown long argument to vitastor-disk

---
 src/disk_tool.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/disk_tool.cpp b/src/disk_tool.cpp
index 2d4b2490..2faa6cd2 100644
--- a/src/disk_tool.cpp
+++ b/src/disk_tool.cpp
@@ -229,7 +229,7 @@ int main(int argc, char *argv[])
         {
             self.options["allow_data_loss"] = "1";
         }
-        else if (argv[i][0] == '-' && argv[i][1] == '-')
+        else if (argv[i][0] == '-' && argv[i][1] == '-' && i < argc-1)
         {
             char *key = argv[i]+2;
             self.options[key] = argv[++i];