1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
|
/*
* Copyright © 2012 Intel Corporation
* Copyright © 2013 Collabora, Ltd.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial
* portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "config.h"
#include <unistd.h>
#include "shared/os-compatibility.h"
#include "weston-test-client-helper.h"
/* tests, that attempt to crash the compositor on purpose */
static struct wl_buffer *
create_bad_shm_buffer(struct client *client, int width, int height)
{
struct wl_shm *shm = client->wl_shm;
int stride = width * 4;
int size = stride * height;
struct wl_shm_pool *pool;
struct wl_buffer *buffer;
int fd;
fd = os_create_anonymous_file(size);
assert(fd >= 0);
pool = wl_shm_create_pool(shm, fd, size);
buffer = wl_shm_pool_create_buffer(pool, 0, width, height, stride,
WL_SHM_FORMAT_ARGB8888);
wl_shm_pool_destroy(pool);
/* Truncate the file to a small size, so that the compositor
* will access it out-of-bounds, and hit SIGBUS.
*/
assert(ftruncate(fd, 12) == 0);
close(fd);
return buffer;
}
TEST(test_truncated_shm_file)
{
struct client *client;
struct wl_buffer *bad_buffer;
struct wl_surface *surface;
int frame;
client = create_client_and_test_surface(46, 76, 111, 134);
assert(client);
surface = client->surface->wl_surface;
bad_buffer = create_bad_shm_buffer(client, 200, 200);
wl_surface_attach(surface, bad_buffer, 0, 0);
wl_surface_damage(surface, 0, 0, 200, 200);
frame_callback_set(surface, &frame);
wl_surface_commit(surface);
frame_callback_wait_nofail(client, &frame);
expect_protocol_error(client, &wl_buffer_interface,
WL_SHM_ERROR_INVALID_FD);
}
|
