diff options
Diffstat (limited to 'tests/lib/test_segv.c')
-rw-r--r-- | tests/lib/test_segv.c | 67 |
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); +} |