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// 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);
}
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