diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index e1e8250..f0b9463 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -3338,3 +3338,23 @@ void kmsg_dump_rewind(struct kmsg_dumper *dumper)
 EXPORT_SYMBOL_GPL(kmsg_dump_rewind);
 
 #endif
+
+//#ifdef CONFIG_DEBUG_AID_FOR_SYZBOT
+static int initial_loglevel;
+static void check_loglevel(struct timer_list *timer)
+{
+	if (console_loglevel < initial_loglevel)
+		panic("Console loglevel changed (%d->%d)!", initial_loglevel,
+		      console_loglevel);
+	mod_timer(timer, jiffies + HZ);
+}
+static int __init loglevelcheck_init(void)
+{
+	static DEFINE_TIMER(timer, check_loglevel);
+
+	initial_loglevel = console_loglevel;
+	mod_timer(&timer, jiffies + HZ);
+	return 0;
+}
+late_initcall(loglevelcheck_init);
+//#endif