diff --git a/kernel/kcsan/debugfs.c b/kernel/kcsan/debugfs.c
index b14072071889..2af39ba5b70b 100644
--- a/kernel/kcsan/debugfs.c
+++ b/kernel/kcsan/debugfs.c
@@ -179,8 +179,7 @@ static ssize_t insert_report_filterlist(const char *func)
 	}
 
 	/* Note: deduplicating should be done in userspace. */
-	report_filterlist.addrs[report_filterlist.used++] =
-		kallsyms_lookup_name(func);
+	report_filterlist.addrs[report_filterlist.used++] = addr;
 	report_filterlist.sorted = false;
 
 	raw_spin_unlock_irqrestore(&report_filterlist_lock, flags);