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81 lines
2.6 KiB
81 lines
2.6 KiB
/*
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* Copyright © 2012 Intel Corporation
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* Copyright © 2013 Collabora, Ltd.
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*
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* Permission to use, copy, modify, distribute, and sell this software and
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* its documentation for any purpose is hereby granted without fee, provided
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* that the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of the copyright holders not be used in
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* advertising or publicity pertaining to distribution of the software
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* without specific, written prior permission. The copyright holders make
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* no representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied warranty.
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*
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
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* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
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* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
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* CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include "config.h"
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#include <unistd.h>
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#include "../shared/os-compatibility.h"
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#include "weston-test-client-helper.h"
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/* tests, that attempt to crash the compositor on purpose */
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static struct wl_buffer *
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create_bad_shm_buffer(struct client *client, int width, int height)
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{
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struct wl_shm *shm = client->wl_shm;
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int stride = width * 4;
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int size = stride * height;
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struct wl_shm_pool *pool;
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struct wl_buffer *buffer;
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int fd;
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fd = os_create_anonymous_file(size);
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assert(fd >= 0);
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pool = wl_shm_create_pool(shm, fd, size);
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buffer = wl_shm_pool_create_buffer(pool, 0, width, height, stride,
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WL_SHM_FORMAT_ARGB8888);
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wl_shm_pool_destroy(pool);
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/* Truncate the file to a small size, so that the compositor
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* will access it out-of-bounds, and hit SIGBUS.
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*/
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assert(ftruncate(fd, 12) == 0);
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close(fd);
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return buffer;
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}
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TEST(test_truncated_shm_file)
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{
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struct client *client;
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struct wl_buffer *bad_buffer;
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struct wl_surface *surface;
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int frame;
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client = create_client_and_test_surface(46, 76, 111, 134);
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assert(client);
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surface = client->surface->wl_surface;
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bad_buffer = create_bad_shm_buffer(client, 200, 200);
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wl_surface_attach(surface, bad_buffer, 0, 0);
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wl_surface_damage(surface, 0, 0, 200, 200);
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frame_callback_set(surface, &frame);
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wl_surface_commit(surface);
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frame_callback_wait_nofail(client, &frame);
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expect_protocol_error(client, &wl_buffer_interface,
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WL_SHM_ERROR_INVALID_FD);
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}
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