From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-f50.google.com (mail-wm0-f50.google.com [74.125.82.50]) by kanga.kvack.org (Postfix) with ESMTP id 313686B0009 for ; Thu, 28 Jan 2016 08:29:44 -0500 (EST) Received: by mail-wm0-f50.google.com with SMTP id l66so25401465wml.0 for ; Thu, 28 Jan 2016 05:29:44 -0800 (PST) Received: from mail-wm0-x234.google.com (mail-wm0-x234.google.com. [2a00:1450:400c:c09::234]) by mx.google.com with ESMTPS id o11si15328881wjw.191.2016.01.28.05.29.43 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 28 Jan 2016 05:29:43 -0800 (PST) Received: by mail-wm0-x234.google.com with SMTP id p63so24782194wmp.1 for ; Thu, 28 Jan 2016 05:29:43 -0800 (PST) MIME-Version: 1.0 In-Reply-To: References: <7f497e194053c25e8a3debe3e1e738a187e38c16.1453918525.git.glider@google.com> <20160128074442.GB15426@js1304-P5Q-DELUXE> Date: Thu, 28 Jan 2016 14:29:42 +0100 Message-ID: Subject: Re: [PATCH v1 2/8] mm, kasan: SLAB support From: Alexander Potapenko Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Sender: owner-linux-mm@kvack.org List-ID: To: Joonsoo Kim Cc: kasan-dev@googlegroups.com, Christoph Lameter , linux-kernel@vger.kernel.org, Dmitriy Vyukov , Andrey Ryabinin , linux-mm@kvack.org, Andrey Konovalov , Andrew Morton , rostedt@goodmis.org On Thu, Jan 28, 2016 at 1:37 PM, Alexander Potapenko wr= ote: > > On Jan 28, 2016 8:44 AM, "Joonsoo Kim" wrote: >> >> On Wed, Jan 27, 2016 at 07:25:07PM +0100, Alexander Potapenko wrote: >> > This patch adds KASAN hooks to SLAB allocator. >> > >> > This patch is based on the "mm: kasan: unified support for SLUB and >> > SLAB allocators" patch originally prepared by Dmitry Chernenkov. >> > >> > Signed-off-by: Alexander Potapenko >> > --- >> > Documentation/kasan.txt | 5 ++- >> >> ... >> >> > +#ifdef CONFIG_SLAB >> > +struct kasan_alloc_meta *get_alloc_info(struct kmem_cache *cache, >> > + const void *object) >> > +{ >> > + return (void *)object + cache->kasan_info.alloc_meta_offset; >> > +} >> > + >> > +struct kasan_free_meta *get_free_info(struct kmem_cache *cache, >> > + const void *object) >> > +{ >> > + return (void *)object + cache->kasan_info.free_meta_offset; >> > +} >> > +#endif >> >> I cannot find the place to store stack info for free. get_free_info() >> isn't used except print_object(). Plese let me know where. > > This is covered by other patches in this patchset. > >> Thanks. (resending to linux-kernel@ because the previous mail bounced) --=20 Alexander Potapenko Software Engineer Google Germany GmbH Erika-Mann-Stra=C3=9Fe, 33 80636 M=C3=BCnchen Gesch=C3=A4ftsf=C3=BChrer: Matthew Scott Sucherman, Paul Terence Manicle Registergericht und -nummer: Hamburg, HRB 86891 Sitz der Gesellschaft: Hamburg Diese E-Mail ist vertraulich. Wenn Sie nicht der richtige Adressat sind, leiten Sie diese bitte nicht weiter, informieren Sie den Absender und l=C3=B6schen Sie die E-Mail und alle Anh=C3=A4nge. Vielen Dank= . This e-mail is confidential. If you are not the right addressee please do not forward it, please inform the sender, and please erase this e-mail including any attachments. Thanks. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org