From 6661a614864940611f36b41be39400e0d1ef506b Mon Sep 17 00:00:00 2001
From: Miroslav Lichvar <mlichvar@redhat.com>
Date: Mon, 19 Jun 2023 16:10:45 +0200
Subject: [PATCH] sched: reset timer queue in finalization

Don't leave dangling pointers to timer queue entries when they are
freed in the scheduler finalization in case some code tried to remove
a timer later.

Fixes: 6ea1082a72d8 ("sched: free timer blocks on exit")
---
 sched.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sched.c b/sched.c
index 1505dc3..676866e 100644
--- a/sched.c
+++ b/sched.c
@@ -163,6 +163,8 @@ SCH_Finalise(void) {
 
   ARR_DestroyInstance(file_handlers);
 
+  timer_queue.next = &timer_queue;
+  timer_queue.prev = &timer_queue;
   for (i = 0; i < ARR_GetSize(tqe_blocks); i++)
     Free(*(TimerQueueEntry **)ARR_GetElement(tqe_blocks, i));
   ARR_DestroyInstance(tqe_blocks);