On Fri, Sep 23, 2022 at 09:17:25AM +0800, Feng Tang wrote: > On Thu, Sep 22, 2022 at 07:12:21PM +0800, Hyeonggon Yoo wrote: > > On Wed, Sep 21, 2022 at 08:10:02PM -0700, Kees Cook wrote: > > > [...] > > > Introduce kmalloc_size_roundup(), to serve this function so we can start > > > replacing the "anticipatory resizing" uses of ksize(). > > [...] > > > > This looks okay. > > [...] > > Cc-ing Feng Tang who may welcome this series ;) > > Indeed! This will help our work of extending slub redzone check, > as we also ran into some trouble with ksize() users when extending > the redzone support to this extra allocated space than requested > size [1], and have to disable the redzone sanity for all ksize() > users [2]. > > [1]. https://lore.kernel.org/lkml/20220719134503.GA56558@xxxxxxxxxxxxxxxxxxxxxxx/ > [2]. https://lore.kernel.org/lkml/20220913065423.520159-5-feng.tang@xxxxxxxxx/ Thanks for the feedback! I'll send my v2 series -- I'm hoping at least this patch can land in v6.1 so the various other patches would be clear to land via their separate trees, etc. -- Kees Cook