From: Lennart Poettering <lennart@poettering.net>
Date: Fri, 19 Mar 2021 21:24:48 +0000 (+0100)
Subject: repart: add one more overflow check
X-Git-Tag: v249-rc1~388^2~11
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=55d380144a7a2cb7afb880ce3fc9c481eb5efde2;p=thirdparty%2Fsystemd.git

repart: add one more overflow check
---

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;