Reset seccomp filter count when escaping to root

kernel/core_hook.c

@@ -125,6 +125,7 @@ static void disable_seccomp()
 #ifdef CONFIG_SECCOMP
 	current->seccomp.mode = 0;
 	current->seccomp.filter = NULL;
+	atomic_set(current->seccomp.filter_count, 0);
 #else
 #endif
 }