Adding upstream version 9.1.upstream/9.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 67 insertions, 0 deletions

diff --git a/tests/lib/test_segv.c b/tests/lib/test_segv.c
new file mode 100644
index 0000000..5d2f451
--- /dev/null
+++ b/tests/lib/test_segv.c
@@ -0,0 +1,67 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * SEGV / backtrace handling test.
+ *
+ * copied from test-sig.c
+ *
+ * Copyright (C) 2013 by David Lamparter, Open Source Routing.
+ * Copyright (C) 2013 by Internet Systems Consortium, Inc. ("ISC")
+ *
+ * This file is part of Quagga
+ */
+
+#include <zebra.h>
+#include <sigevent.h>
+#include "lib/log.h"
+#include "lib/memory.h"
+
+struct frr_signal_t sigs[] = {};
+
+struct event_loop *master;
+
+void func1(int *arg);
+void func3(void);
+
+void func1(int *arg)
+{
+	int *null = NULL;
+	*null += 1;
+	*arg = 1;
+}
+
+static void func2(size_t depth, int *arg)
+{
+	/* variable stack frame size */
+	int buf[depth];
+	for (size_t i = 0; i < depth; i++)
+		buf[i] = arg[i] + 1;
+	if (depth > 0)
+		func2(depth - 1, buf);
+	else
+		func1(&buf[0]);
+	for (size_t i = 0; i < depth; i++)
+		buf[i] = arg[i] + 2;
+}
+
+void func3(void)
+{
+	int buf[6];
+	func2(6, buf);
+}
+
+static void threadfunc(struct event *thread)
+{
+	func3();
+}
+
+int main(void)
+{
+	master = event_master_create(NULL);
+	signal_init(master, array_size(sigs), sigs);
+
+	zlog_aux_init("NONE: ", LOG_DEBUG);
+
+	event_execute(master, threadfunc, 0, 0, NULL);
+
+	exit(0);
+}