From: Andrey Ryabinin <aryabinin@virtuozzo.com>
To: Alexander Potapenko <glider@google.com>,
Sasha Levin <sasha.levin@oracle.com>
Cc: Andrey Konovalov <adech.fo@gmail.com>,
Christoph Lameter <cl@linux.com>,
Dmitriy Vyukov <dvyukov@google.com>,
Andrew Morton <akpm@linux-foundation.org>,
Steven Rostedt <rostedt@goodmis.org>,
Joonsoo Kim <iamjoonsoo.kim@lge.com>,
Joonsoo Kim <js1304@gmail.com>,
Kostya Serebryany <kcc@google.com>,
Kuthonuzo Luruo <kuthonuzo.luruo@hpe.com>,
kasan-dev <kasan-dev@googlegroups.com>,
Linux Memory Management List <linux-mm@kvack.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v5] mm, kasan: switch SLUB to stackdepot, enable memory quarantine for SLUB
Date: Thu, 7 Jul 2016 13:23:07 +0300 [thread overview]
Message-ID: <577E2D8B.8060404@virtuozzo.com> (raw)
In-Reply-To: <CAG_fn=WWWbeGkcxCnn37OBNjJiwVp=BHUeVX6T_5XACQQdJT5g@mail.gmail.com>
On 07/07/2016 01:01 PM, Alexander Potapenko wrote:
> Any idea which config option triggers this code path?
> I don't see it with my config, and the config from kbuild doesn't boot for me.
> (I'm trying to bisect the diff between them now)
>
Boot with slub_debug=FPZU.
As I said before, check_pad_bytes() is broken. Sasha's problem very likely caused by it.
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WARNING: multiple messages have this Message-ID (diff)
From: Andrey Ryabinin <aryabinin@virtuozzo.com>
To: Alexander Potapenko <glider@google.com>,
Sasha Levin <sasha.levin@oracle.com>
Cc: Andrey Konovalov <adech.fo@gmail.com>,
Christoph Lameter <cl@linux.com>,
Dmitriy Vyukov <dvyukov@google.com>,
Andrew Morton <akpm@linux-foundation.org>,
Steven Rostedt <rostedt@goodmis.org>,
"Joonsoo Kim" <iamjoonsoo.kim@lge.com>,
Joonsoo Kim <js1304@gmail.com>,
"Kostya Serebryany" <kcc@google.com>,
Kuthonuzo Luruo <kuthonuzo.luruo@hpe.com>,
kasan-dev <kasan-dev@googlegroups.com>,
Linux Memory Management List <linux-mm@kvack.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v5] mm, kasan: switch SLUB to stackdepot, enable memory quarantine for SLUB
Date: Thu, 7 Jul 2016 13:23:07 +0300 [thread overview]
Message-ID: <577E2D8B.8060404@virtuozzo.com> (raw)
In-Reply-To: <CAG_fn=WWWbeGkcxCnn37OBNjJiwVp=BHUeVX6T_5XACQQdJT5g@mail.gmail.com>
On 07/07/2016 01:01 PM, Alexander Potapenko wrote:
> Any idea which config option triggers this code path?
> I don't see it with my config, and the config from kbuild doesn't boot for me.
> (I'm trying to bisect the diff between them now)
>
Boot with slub_debug=FPZU.
As I said before, check_pad_bytes() is broken. Sasha's problem very likely caused by it.
next prev parent reply other threads:[~2016-07-07 10:22 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-22 17:43 [PATCH v5] mm, kasan: switch SLUB to stackdepot, enable memory quarantine for SLUB Alexander Potapenko
2016-06-22 17:43 ` Alexander Potapenko
2016-06-28 16:51 ` Andrey Ryabinin
2016-06-28 16:51 ` Andrey Ryabinin
2016-07-08 10:36 ` Alexander Potapenko
2016-07-08 10:36 ` Alexander Potapenko
2016-07-08 15:31 ` Andrey Ryabinin
2016-07-08 15:31 ` Andrey Ryabinin
2016-07-12 10:17 ` Alexander Potapenko
2016-07-12 10:17 ` Alexander Potapenko
2016-07-04 23:42 ` Sasha Levin
2016-07-04 23:42 ` Sasha Levin
2016-07-07 10:01 ` Alexander Potapenko
2016-07-07 10:01 ` Alexander Potapenko
2016-07-07 10:23 ` Andrey Ryabinin [this message]
2016-07-07 10:23 ` Andrey Ryabinin
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