Check that we correctly reject an object size that will intentionally
wrap upon aligning to a page.
Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
---
tests/i915/gem_create.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/tests/i915/gem_create.c b/tests/i915/gem_create.c
index bf6531844..432ccdefa 100644
--- a/tests/i915/gem_create.c
+++ b/tests/i915/gem_create.c
@@ -79,11 +79,15 @@ static int create_ioctl(int fd, struct drm_i915_gem_create
*create)
static void invalid_size_test(int fd)
{
- struct drm_i915_gem_create create = {
- .size = 0,
- };
+ struct drm_i915_gem_create create = { };
+ create.size = 0; /* zero-sized objects are not allowed */
igt_assert_eq(create_ioctl(fd, &create), -EINVAL);
+
+ create.size = -1ull; /* will wrap to 0 on aligning to page */
+ igt_assert_eq(create_ioctl(fd, &create), -EINVAL);
+
+ igt_assert_eq(create.handle, 0);
}
/*
--
2.30.0
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