From: Daan De Meyer <daan.j.demeyer@gmail.com>
Date: Tue, 27 Aug 2024 13:27:08 +0000 (+0200)
Subject: image-policy: Fix size assertion
X-Git-Tag: v257-rc1~570^2~3
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=32b2f4c01ea739bda4d616737448a58e6c9b59bc;p=thirdparty%2Fsystemd.git

image-policy: Fix size assertion

We're going to write a null pointer to l[m] so we need to make sure
m is smaller than the size of the array, not m + 1.
---

diff --git a/src/shared/image-policy.c b/src/shared/image-policy.c
index 914dd080391..1fb24138fb4 100644
--- a/src/shared/image-policy.c
+++ b/src/shared/image-policy.c
@@ -437,7 +437,7 @@ int partition_policy_flags_to_string(PartitionPolicyFlags flags, bool simplify,
         if (m == 0)
                 buf = strdup("-");
         else {
-                assert(m+1 < ELEMENTSOF(l));
+                assert(m < ELEMENTSOF(l));
                 l[m] = NULL;
 
                 buf = strv_join((char**) l, "+");