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tests/gem_reloc_overflow: Add more checks

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For reloc offsets and batch start/len. Doesn't quite fit into the test
subject at hand here, but meh.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Daniel Vetter 2013-09-04 15:25:03 +02:00
parent 44d4a3defb
commit b3dadedd2e
1 changed files with 125 additions and 8 deletions
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133
tests/gem_reloc_overflow.c
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@ -1,5 +1,6 @@
/*
* Copyright © 2013 Google
* Copyright © 2013 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
@ -22,6 +23,7 @@
*
* Authors:
* Kees Cook <keescook@chromium.org>
* Daniel Vetter <daniel.vetter@ffwll.ch>
*
*/
@ -55,6 +57,102 @@ struct drm_i915_gem_exec_object2 *execobjs;
struct drm_i915_gem_execbuffer2 execbuf = { 0 };
struct drm_i915_gem_relocation_entry *reloc;
uint32_t handle;
uint32_t batch_handle;
static void source_offset_tests(void)
{
struct drm_i915_gem_relocation_entry single_reloc;
igt_fixture {
handle = gem_create(fd, 4096);
execobjs[1].handle = batch_handle;
execobjs[1].relocation_count = 0;
execobjs[1].relocs_ptr = 0;
execobjs[0].handle = handle;
execobjs[0].relocation_count = 1;
execobjs[0].relocs_ptr = (uintptr_t) &single_reloc;
execbuf.buffer_count = 2;
}
igt_subtest("source-offset-end") {
single_reloc.offset = 4096 - 4;
single_reloc.delta = 0;
single_reloc.target_handle = handle;
single_reloc.read_domains = I915_GEM_DOMAIN_RENDER;
single_reloc.write_domain = I915_GEM_DOMAIN_RENDER;
single_reloc.presumed_offset = 0;
igt_assert(ioctl(fd, DRM_IOCTL_I915_GEM_EXECBUFFER2, &execbuf) == 0);
}
igt_subtest("source-offset-big") {
single_reloc.offset = 4096;
single_reloc.delta = 0;
single_reloc.target_handle = handle;
single_reloc.read_domains = I915_GEM_DOMAIN_RENDER;
single_reloc.write_domain = I915_GEM_DOMAIN_RENDER;
single_reloc.presumed_offset = 0;
igt_assert(ioctl(fd, DRM_IOCTL_I915_GEM_EXECBUFFER2, &execbuf) != 0);
igt_assert(errno == EINVAL);
}
igt_subtest("source-offset-negative") {
single_reloc.offset = (int64_t) -4;
single_reloc.delta = 0;
single_reloc.target_handle = handle;
single_reloc.read_domains = I915_GEM_DOMAIN_RENDER;
single_reloc.write_domain = I915_GEM_DOMAIN_RENDER;
single_reloc.presumed_offset = 0;
igt_assert(ioctl(fd, DRM_IOCTL_I915_GEM_EXECBUFFER2, &execbuf) != 0);
igt_assert(errno == EINVAL);
}
igt_subtest("source-offset-unaligned") {
single_reloc.offset = 1;
single_reloc.delta = 0;
single_reloc.target_handle = handle;
single_reloc.read_domains = I915_GEM_DOMAIN_RENDER;
single_reloc.write_domain = I915_GEM_DOMAIN_RENDER;
single_reloc.presumed_offset = 0;
igt_assert(ioctl(fd, DRM_IOCTL_I915_GEM_EXECBUFFER2, &execbuf) != 0);
igt_assert(errno == EINVAL);
}
igt_fixture {
execobjs[0].handle = batch_handle;
execobjs[0].relocation_count = 0;
execobjs[0].relocs_ptr = 0;
execbuf.buffer_count = 1;
}
igt_subtest("batch-start-unaligend") {
execbuf.batch_start_offset = 1;
execbuf.batch_len = 8;
igt_assert(ioctl(fd, DRM_IOCTL_I915_GEM_EXECBUFFER2, &execbuf) != 0);
igt_assert(errno == EINVAL);
}
igt_subtest("batch-end-unaligend") {
execbuf.batch_start_offset = 0;
execbuf.batch_len = 7;
igt_assert(ioctl(fd, DRM_IOCTL_I915_GEM_EXECBUFFER2, &execbuf) != 0);
igt_assert(errno == EINVAL);
}
igt_fixture
gem_close(fd, handle);
}
int main(int argc, char *argv[])
{
int i;
@ -64,6 +162,9 @@ int main(int argc, char *argv[])
igt_subtest_init(argc, argv);
igt_fixture {
int ring;
uint32_t batch_data [2] = { MI_NOOP, MI_BATCH_BUFFER_END };
fd = drm_open_any();
/* Create giant reloc buffer area. */
@ -76,18 +177,30 @@ int main(int argc, char *argv[])
/* Allocate the handles we'll need to wrap. */
handles = calloc(num, sizeof(*handles));
for (i = 0; i < num; i++) {
struct drm_i915_gem_create create_args = { 0 };
for (i = 0; i < num; i++)
handles[i] = gem_create(fd, 4096);
create_args.size = 0x1000;
igt_assert(ioctl(fd, DRM_IOCTL_I915_GEM_CREATE, &create_args) == 0);
handles[i] = create_args.handle;
}
if (intel_gen(intel_get_drm_devid(fd)) >= 6)
ring = I915_EXEC_BLT;
else
ring = 0;
/* Create relocation objects. */
execobjs = calloc(num, sizeof(*execobjs));
execbuf.buffers_ptr = (uintptr_t)execobjs;
execbuf.batch_start_offset = 0;
execbuf.batch_len = 8;
execbuf.cliprects_ptr = 0;
execbuf.num_cliprects = 0;
execbuf.DR1 = 0;
execbuf.DR4 = 0;
execbuf.flags = ring;
i915_execbuffer2_set_context_id(execbuf, 0);
execbuf.rsvd2 = 0;
batch_handle = gem_create(fd, 4096);
gem_write(fd, batch_handle, 0, batch_data, sizeof(batch_data));
}
igt_subtest("invalid-address") {
@ -138,8 +251,12 @@ int main(int argc, char *argv[])
igt_assert(errno == EINVAL);
}
igt_fixture
source_offset_tests();
igt_fixture {
gem_close(fd, batch_handle);
close(fd);
}
igt_exit();
}