From: Lennart Poettering <lennart@poettering.net>
Date: Wed, 26 Mar 2025 15:19:05 +0000 (-0400)
Subject: prioq: add some minor overflow checking assert()s
X-Git-Tag: v258-rc1~941^2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=39ce0324f94b928dae1889736a3638ee4a470aa9;p=thirdparty%2Fsystemd.git

prioq: add some minor overflow checking assert()s
---

diff --git a/src/basic/prioq.c b/src/basic/prioq.c
index 194bd5e7eb3..b3fec89f766 100644
--- a/src/basic/prioq.c
+++ b/src/basic/prioq.c
@@ -199,6 +199,7 @@ static void remove_item(Prioq *q, struct prioq_item *i) {
                 /* Not last entry, let's replace the last entry with
                  * this one, and reshuffle */
 
+                assert(i >= q->items);
                 k = i - q->items;
 
                 i->data = l->data;
@@ -262,6 +263,7 @@ void prioq_reshuffle(Prioq *q, void *data, unsigned *idx) {
         if (!i)
                 return;
 
+        assert(i >= q->items);
         k = i - q->items;
         k = shuffle_down(q, k);
         shuffle_up(q, k);