From ce4f9b08a9d5e014f778160a30b36e1723ea0dc7 Mon Sep 17 00:00:00 2001
From: Julian Bouzas <julian.bouzas@collabora.com>
Date: Wed, 5 Mar 2025 13:36:04 -0500
Subject: [PATCH] proc-utils: Make sure cgroup length is valid before removing
 EOF char

This fixes a Coverity Scan defect.
---
 lib/wp/proc-utils.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/lib/wp/proc-utils.c b/lib/wp/proc-utils.c
index fbd39c04..17450a5a 100644
--- a/lib/wp/proc-utils.c
+++ b/lib/wp/proc-utils.c
@@ -179,10 +179,12 @@ wp_proc_utils_get_proc_info (pid_t pid)
   /* Get cgroup */
   {
     g_autofree gchar *path = g_strdup_printf ("/proc/%d/cgroup", pid);
-    if (g_file_get_contents (path, &ret->cgroup, &length, &error))
-      ret->cgroup [length - 1] = '\0';  /* Remove EOF character */
-    else
+    if (g_file_get_contents (path, &ret->cgroup, &length, &error)) {
+      if (length > 0)
+        ret->cgroup [length - 1] = '\0';  /* Remove EOF character */
+    } else {
       wp_warning ("failed to get cgroup for PID %d: %s", pid, error->message);
+    }
   }
 
   /* Get args */