[Intel-gfx] [PATCH i-g-t 1/2] i915/gem_create: Check wrap condition for -1
flat view
From: Chris Wilson <hidden>
Date: 2021-01-20 11:11:14
Also in:
intel-gfx
Subsystem:
the rest · Maintainer:
Linus Torvalds
Check that we correctly reject an object size that will intentionally wrap upon aligning to a page. Signed-off-by: Chris Wilson <redacted> --- 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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