From 2265618168587fcaf0691917f9d27c2545642c29 Mon Sep 17 00:00:00 2001
From: Sergei Shtepa <sergei.shtepa@veeam.com>
Date: Fri, 26 Jan 2024 12:07:54 +0100
Subject: [PATCH] fix an empty CBT bug

---
 lib/blksnap/Tracker.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/blksnap/Tracker.cpp b/lib/blksnap/Tracker.cpp
index 7795c05..51ed5b8 100644
--- a/lib/blksnap/Tracker.cpp
+++ b/lib/blksnap/Tracker.cpp
@@ -90,6 +90,7 @@ void CTracker::ReadCbtMap(unsigned int offset, unsigned int length, uint8_t* buf
 {
     struct blksnap_cbtmap arg = {
         .offset = offset,
+        .length = length,
         .buffer = (__u64)buff
     };
     struct blkfilter_ctl ctl = {