On Tue, Aug 25, 2020 at 11:37:52AM -0500, Bob Pearson wrote: > Currently only the rxe driver is exhibiting the issue of kernel > warnings during qp create caused by recent kernel changes looking > for potential information leaks to user space. The test which > triggers this warning is very specific. It occurs when a portion of > a kernel object stored in a slab cache is copied to user space and > the copied area has not been 'whitelisted' by setting useroffset and > usersize parameters for the kmem cache. As already discussed there > are two ways to mitigate this I think we should just add a uverbs_copy_to() for integers, much like netlink does. We already have various getters for integers.. Jason
