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SubjectRe: [PATCH 19/32] kasan: pass tagged pointers to kasan_save_alloc/free_info
On Mon, Jun 20, 2022 at 11:54 AM Marco Elver <elver@google.com> wrote:
>
> On Mon, Jun 13, 2022 at 10:14PM +0200, andrey.konovalov@linux.dev wrote:
> > From: Andrey Konovalov <andreyknvl@google.com>
> >
> > Pass tagged pointers to kasan_save_alloc/free_info().
> >
> > This is a preparatory patch to simplify other changes in the series.
> >
> > Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
> > ---
> > mm/kasan/common.c | 4 ++--
> > mm/kasan/generic.c | 3 +--
> > mm/kasan/kasan.h | 2 +-
> > mm/kasan/tags.c | 3 +--
> > 4 files changed, 5 insertions(+), 7 deletions(-)
> >
> > diff --git a/mm/kasan/common.c b/mm/kasan/common.c
> > index f937b6c9e86a..519fd0b3040b 100644
> > --- a/mm/kasan/common.c
> > +++ b/mm/kasan/common.c
> > @@ -227,7 +227,7 @@ static inline bool ____kasan_slab_free(struct kmem_cache *cache, void *object,
> > return false;
> >
> > if (kasan_stack_collection_enabled())
> > - kasan_save_free_info(cache, object, tag);
> > + kasan_save_free_info(cache, tagged_object);
> >
>
> Variable 'tag' becomes unused in this function after this patch.

Will fix in v2, thanks!

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