2 * Copyright © 2012 Intel Corporation
3 * Copyright © 2013 Collabora, Ltd.
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial
15 * portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
20 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
21 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
22 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
23 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
31 #include "shared/os-compatibility.h"
32 #include "weston-test-client-helper.h"
34 /* tests, that attempt to crash the compositor on purpose */
36 static struct wl_buffer *
37 create_bad_shm_buffer(struct client *client, int width, int height)
39 struct wl_shm *shm = client->wl_shm;
40 int stride = width * 4;
41 int size = stride * height;
42 struct wl_shm_pool *pool;
43 struct wl_buffer *buffer;
46 fd = os_create_anonymous_file(size);
49 pool = wl_shm_create_pool(shm, fd, size);
50 buffer = wl_shm_pool_create_buffer(pool, 0, width, height, stride,
51 WL_SHM_FORMAT_ARGB8888);
52 wl_shm_pool_destroy(pool);
54 /* Truncate the file to a small size, so that the compositor
55 * will access it out-of-bounds, and hit SIGBUS.
57 assert(ftruncate(fd, 12) == 0);
63 TEST(test_truncated_shm_file)
65 struct client *client;
66 struct wl_buffer *bad_buffer;
67 struct wl_surface *surface;
70 client = create_client_and_test_surface(46, 76, 111, 134);
72 surface = client->surface->wl_surface;
74 bad_buffer = create_bad_shm_buffer(client, 200, 200);
76 wl_surface_attach(surface, bad_buffer, 0, 0);
77 wl_surface_damage(surface, 0, 0, 200, 200);
78 frame_callback_set(surface, &frame);
79 wl_surface_commit(surface);
80 frame_callback_wait_nofail(client, &frame);
82 expect_protocol_error(client, &wl_buffer_interface,
83 WL_SHM_ERROR_INVALID_FD);