From: Kevin Day <Kevin@kevux.org>
Date: Sun, 10 Aug 2025 01:29:05 +0000 (-0500)
Subject: Security: Controller thread cleanup needs to check that used < size in array.
X-Git-Tag: 0.6.15~1
X-Git-Url: https://www.git.kevux.org/?a=commitdiff_plain;h=30950b2e3192bb91e750b8a647b99a646fa8f7a7;p=fll

Security: Controller thread cleanup needs to check that used < size in array.
---

diff --git a/level_3/controller/c/thread/private-thread.c b/level_3/controller/c/thread/private-thread.c
index a88747f..4493c17 100644
--- a/level_3/controller/c/thread/private-thread.c
+++ b/level_3/controller/c/thread/private-thread.c
@@ -122,8 +122,8 @@ extern "C" {
           f_array_lengths_resize(0, &process->stack);
 
           // Shrink the childs array.
-          if (process->childs.used) {
-            for (; process->childs.used; --process->childs.used) {
+          if (process->childs.used && process->childs.used < process->childs.size) {
+            for (; process->childs.used && process->childs.used < process->childs.size; --process->childs.used) {
               if (process->childs.array[process->childs.used]) break;
             } // for