From bfd25a4a46cda204d759a62269f198ad0354ca23 Mon Sep 17 00:00:00 2001
From: Florian Forster <octo@collectd.org>
Date: Wed, 24 Jan 2024 15:08:14 +0100
Subject: [PATCH] fix: df plugin: Fix an array out of bounds crash.

The second argument of the `for` loop always evaluated to true, causing the
code to read past the end of the array.

ChangeLog: df plugin: An out of bounds read, causing segmentation faults, has been fixed.
---
 src/df.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/df.c b/src/df.c
index fb81a1bb86..bb12519d0d 100644
--- a/src/df.c
+++ b/src/df.c
@@ -332,7 +332,7 @@ static int df_read(void) {
       &fam_inode_utilization,
   };
 
-  for (size_t i = 0; STATIC_ARRAY_SIZE(families); i++) {
+  for (size_t i = 0; i < STATIC_ARRAY_SIZE(families); i++) {
     if (families[i]->metric.num == 0) {
       continue;
     }