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-rw-r--r--drivers/gpu/drm/i915/i915_gem_execbuffer.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index 4ac454ae54d7..83876a1c8d98 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -2094,6 +2094,11 @@ get_fence_array(struct drm_i915_gem_execbuffer2 *args,
goto err;
}
+ if (fence.flags & __I915_EXEC_FENCE_UNKNOWN_FLAGS) {
+ err = -EINVAL;
+ goto err;
+ }
+
syncobj = drm_syncobj_find(file, fence.handle);
if (!syncobj) {
DRM_DEBUG("Invalid syncobj handle provided\n");
@@ -2101,6 +2106,9 @@ get_fence_array(struct drm_i915_gem_execbuffer2 *args,
goto err;
}
+ BUILD_BUG_ON(~(ARCH_KMALLOC_MINALIGN - 1) &
+ ~__I915_EXEC_FENCE_UNKNOWN_FLAGS);
+
fences[n] = ptr_pack_bits(syncobj, fence.flags, 2);
}