From: Alexander Popov <alex.popov@linux.com>
To: Alexander Potapenko <glider@google.com>
Cc: Kees Cook <keescook@chromium.org>, Jann Horn <jannh@google.com>,
Will Deacon <will@kernel.org>,
Andrey Ryabinin <aryabinin@virtuozzo.com>,
Dmitry Vyukov <dvyukov@google.com>,
Christoph Lameter <cl@linux.com>,
Pekka Enberg <penberg@kernel.org>,
David Rientjes <rientjes@google.com>,
Joonsoo Kim <iamjoonsoo.kim@lge.com>,
Andrew Morton <akpm@linux-foundation.org>,
Masahiro Yamada <masahiroy@kernel.org>,
Masami Hiramatsu <mhiramat@kernel.org>,
Steven Rostedt <rostedt@goodmis.org>,
Peter Zijlstra <peterz@infradead.org>,
Krzysztof Kozlowski <krzk@kernel.org>,
Patrick Bellasi <patrick.bellasi@arm.com>,
David Howells <dhowells@redhat.com>,
Eric Biederman <ebiederm@xmission.com>,
Johannes Weiner <hannes@cmpxchg.org>,
Laura Abbott <labbott@redhat.com>, Arnd Bergmann <arnd@arndb.de>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Daniel Micay <danielmicay@gmail.com>,
Andrey Konovalov <andreyknvl@google.com>,
Matthew Wilcox <willy@infradead.org>,
Pavel Machek <pavel@denx.de>,
Valentin Schneider <valentin.schneider@arm.com>,
kasan-dev <kasan-dev@googlegroups.com>,
Linux Memory Management List <linux-mm@kvack.org>,
Kernel Hardening <kernel-hardening@lists.openwall.com>,
LKML <linux-kernel@vger.kernel.org>,
notify@kernel.org
Subject: Re: [PATCH RFC v2 2/6] mm/slab: Perform init_on_free earlier
Date: Thu, 1 Oct 2020 22:48:03 +0300 [thread overview]
Message-ID: <e4b78739-1cec-b9a2-7371-7407cfbb4904@linux.com> (raw)
In-Reply-To: <CAG_fn=WY9OFKuy6utMHOgyr+1DYNsuzVruGCGHMDnEnaLY6s9g@mail.gmail.com>
On 30.09.2020 15:50, Alexander Potapenko wrote:
> On Tue, Sep 29, 2020 at 8:35 PM Alexander Popov <alex.popov@linux.com> wrote:
>>
>> Currently in CONFIG_SLAB init_on_free happens too late, and heap
>> objects go to the heap quarantine being dirty. Lets move memory
>> clearing before calling kasan_slab_free() to fix that.
>>
>> Signed-off-by: Alexander Popov <alex.popov@linux.com>
> Reviewed-by: Alexander Potapenko <glider@google.com>
Thanks for the review, Alexander!
Do you have any idea how this patch series relates to Memory Tagging support
that is currently developed?
Best regards,
Alexander
next prev parent reply other threads:[~2020-10-01 19:48 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-29 18:35 [PATCH RFC v2 0/6] Break heap spraying needed for exploiting use-after-free Alexander Popov
2020-09-29 18:35 ` [PATCH RFC v2 1/6] mm: Extract SLAB_QUARANTINE from KASAN Alexander Popov
2020-09-29 18:35 ` [PATCH RFC v2 2/6] mm/slab: Perform init_on_free earlier Alexander Popov
2020-09-30 12:50 ` Alexander Potapenko
2020-10-01 19:48 ` Alexander Popov [this message]
2020-12-03 19:50 ` Alexander Popov
2020-12-03 20:49 ` Andrew Morton
2020-12-04 11:54 ` Alexander Popov
2020-09-29 18:35 ` [PATCH RFC v2 3/6] mm: Integrate SLAB_QUARANTINE with init_on_free Alexander Popov
2020-09-29 18:35 ` [PATCH RFC v2 4/6] mm: Implement slab quarantine randomization Alexander Popov
2020-09-29 18:35 ` [PATCH RFC v2 5/6] lkdtm: Add heap quarantine tests Alexander Popov
2020-09-29 18:35 ` [PATCH RFC v2 6/6] mm: Add heap quarantine verbose debugging (not for merge) Alexander Popov
2020-10-01 19:42 ` [PATCH RFC v2 0/6] Break heap spraying needed for exploiting use-after-free Alexander Popov
2020-10-05 22:56 ` Jann Horn
2020-10-06 0:44 ` Matthew Wilcox
2020-10-06 0:48 ` Jann Horn
2020-10-06 2:09 ` Kees Cook
2020-10-06 2:16 ` Jann Horn
2020-10-06 2:19 ` Daniel Micay
2020-10-06 8:35 ` Christopher Lameter
2020-10-06 8:32 ` Christopher Lameter
2020-10-06 17:56 ` Alexander Popov
2020-10-06 18:37 ` Jann Horn
2020-10-06 19:25 ` Alexander Popov
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