From 988e90be69cbe693387c5182c0e0d0b0c51f7874 Mon Sep 17 00:00:00 2001
From: Vitaliy Filippov <vitalif@yourcmc.ru>
Date: Fri, 28 Jul 2023 12:29:07 +0300
Subject: [PATCH] Fix vitastor-disk partition zeroing (it was writing random
 garbage instead of zeroes :D)

---
 src/disk_tool_utils.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/disk_tool_utils.cpp b/src/disk_tool_utils.cpp
index 706820eb..6069e23c 100644
--- a/src/disk_tool_utils.cpp
+++ b/src/disk_tool_utils.cpp
@@ -264,6 +264,7 @@ int write_zero(int fd, uint64_t offset, uint64_t size)
 {
     uint64_t buf_len = 1024*1024;
     void *zero_buf = memalign_or_die(MEM_ALIGNMENT, buf_len);
+    memset(zero_buf, 0, buf_len);
     ssize_t r;
     while (size > 0)
     {