From 55d380144a7a2cb7afb880ce3fc9c481eb5efde2 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Fri, 19 Mar 2021 22:24:48 +0100
Subject: [PATCH] repart: add one more overflow check

---
 src/partition/repart.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/partition/repart.c b/src/partition/repart.c
index 1ee5eaa25e8..ac6e4e7f862 100644
--- a/src/partition/repart.c
+++ b/src/partition/repart.c
@@ -2227,6 +2227,9 @@ static int context_discard_range(
 
                 range[0] = round_up_size(offset, 512);
 
+                if (offset > UINT64_MAX - size)
+                        return -ERANGE;
+
                 end = offset + size;
                 if (end <= range[0])
                         return 0;
-- 
2.47.3