diff options
| -rw-r--r-- | .gitignore | 1 | ||||
| -rw-r--r-- | tests/Makefile.am | 1 | ||||
| -rw-r--r-- | tests/gem_bad_length.c | 147 |
3 files changed, 149 insertions, 0 deletions
@@ -54,6 +54,7 @@ tests/gem_tiled_pread tests/gem_bad_address tests/gem_bad_batch tests/gem_bad_blit +tests/gem_bad_length tests/gem_hang tests/gem_gtt_speed tests/gem_stress diff --git a/tests/Makefile.am b/tests/Makefile.am index e47ae3d8..102c6cf7 100644 --- a/tests/Makefile.am +++ b/tests/Makefile.am @@ -32,6 +32,7 @@ TESTS = getversion \ gem_largeobject \ gem_bad_address \ gem_bad_blit \ + gem_bad_length \ gem_fence_thrash \ gem_fenced_exec_thrash \ gem_gtt_speed \ diff --git a/tests/gem_bad_length.c b/tests/gem_bad_length.c new file mode 100644 index 00000000..07ad5eba --- /dev/null +++ b/tests/gem_bad_length.c @@ -0,0 +1,147 @@ +/* + * Copyright © 2011 Intel Corporation + * + * 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. + * + * Authors: + * Chris Wilson <chris@chris-wilson.co.uk> + * + */ + +#include <unistd.h> +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <assert.h> +#include <fcntl.h> +#include <inttypes.h> +#include <errno.h> +#include <sys/stat.h> +#include <sys/ioctl.h> +#include <sys/mman.h> +#include "drm.h" +#include "i915_drm.h" +#include "drmtest.h" + +#define MI_BATCH_BUFFER_END (0xA<<23) + +static uint32_t gem_create(int fd, int size) +{ + struct drm_i915_gem_create create; + int ret; + + create.handle = 0; + create.size = (size + 4095) & -4096; + ret = drmIoctl(fd, DRM_IOCTL_I915_GEM_CREATE, &create); + assert(ret == 0); + + return create.handle; +} + +static void gem_write(int fd, + uint32_t handle, uint32_t offset, + const void *src, int length) +{ + struct drm_i915_gem_pwrite arg; + int ret; + + arg.handle = handle; + arg.offset = offset; + arg.size = length; + arg.data_ptr = (uintptr_t)src; + + ret = drmIoctl(fd, DRM_IOCTL_I915_GEM_PWRITE, &arg); + assert(ret == 0); +} + +static int gem_exec(int fd, struct drm_i915_gem_execbuffer2 *execbuf) +{ + return drmIoctl(fd, DRM_IOCTL_I915_GEM_EXECBUFFER2, execbuf); +} + +static void gem_close(int fd, uint32_t handle) +{ + struct drm_gem_close close; + int ret; + + close.handle = handle; + ret = drmIoctl(fd, DRM_IOCTL_GEM_CLOSE, &close); + assert(ret == 0); +} + +static void exec0(int fd) +{ + struct drm_i915_gem_execbuffer2 execbuf; + struct drm_i915_gem_exec_object2 exec[2]; + uint32_t buf[2] = { MI_BATCH_BUFFER_END }; + + /* Just try executing with a zero-length bo. + * We expect the kernel to either accept the nop batch, or reject it + * for the zero-length buffer, but never crash. + */ + exec[0].handle = gem_create(fd, 0); + exec[0].relocation_count = 0; + exec[0].relocs_ptr = 0; + exec[0].alignment = 0; + exec[0].offset = 0; + exec[0].flags = 0; + exec[0].rsvd1 = 0; + exec[0].rsvd2 = 0; + + exec[1].handle = gem_create(fd, 4096); + gem_write(fd, exec[1].handle, 0, buf, sizeof(buf)); + exec[1].relocation_count = 0; + exec[1].relocs_ptr = 0; + exec[1].alignment = 0; + exec[1].offset = 0; + exec[1].flags = 0; + exec[1].rsvd1 = 0; + exec[1].rsvd2 = 0; + + execbuf.buffers_ptr = (uintptr_t)exec; + execbuf.buffer_count = 2; + execbuf.batch_start_offset = 0; + execbuf.batch_len = sizeof(buf); + execbuf.cliprects_ptr = 0; + execbuf.num_cliprects = 0; + execbuf.DR1 = 0; + execbuf.DR4 = 0; + execbuf.flags = 0; + execbuf.rsvd1 = 0; + execbuf.rsvd2 = 0; + + gem_exec(fd, &execbuf); + + gem_close(fd, exec[0].handle); + gem_close(fd, exec[1].handle); +} + +int main(int argc, char **argv) +{ + int fd; + + fd = drm_open_any(); + + exec0(fd); + + close(fd); + + return 0; +} |