From: Dmitry Vyukov <dvyukov@google.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: Mark Rutland <mark.rutland@arm.com>,
Andrey Ryabinin <aryabinin@virtuozzo.com>,
Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>, Will Deacon <will.deacon@arm.com>,
Andrew Morton <akpm@linux-foundation.org>,
kasan-dev <kasan-dev@googlegroups.com>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
"x86@kernel.org" <x86@kernel.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 2/3] asm-generic, x86: wrap atomic operations
Date: Wed, 22 Mar 2017 13:14:41 +0100 [thread overview]
Message-ID: <CACT4Y+bJOw_iMMkMw89oMqNsBCbqapXrS1Sk1uigjgB_7mnAgg@mail.gmail.com> (raw)
In-Reply-To: <CAK8P3a1o3ZwS2y9uoE9Cp70E1s-s5NyQ43zNzTjEiMXiH_tKng@mail.gmail.com>
On Wed, Mar 22, 2017 at 12:30 PM, Arnd Bergmann <arnd@arndb.de> wrote:
> On Wed, Mar 22, 2017 at 11:42 AM, Dmitry Vyukov <dvyukov@google.com> wrote:
>> On Tue, Mar 21, 2017 at 10:20 PM, Arnd Bergmann <arnd@arndb.de> wrote:
>>> On Tue, Mar 21, 2017 at 7:06 PM, Dmitry Vyukov <dvyukov@google.com> wrote:
>>
>> Initially I've tested with my stock gcc 4.8.4 (Ubuntu
>> 4.8.4-2ubuntu1~14.04.3) and amusingly it works. But I can reproduce
>> the bug with 7.0.1.
>
> It's probably because gcc-4.8 didn't support KASAN yet, so the added
> check had no effect.
I've tested without KASAN with both compilers.
next prev parent reply other threads:[~2017-03-22 12:24 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-14 19:24 [PATCH 0/3] x86, kasan: add KASAN checks to atomic operations Dmitry Vyukov
2017-03-14 19:24 ` [PATCH 1/3] kasan: allow kasan_check_read/write() to accept pointers to volatiles Dmitry Vyukov
2017-03-14 19:24 ` [PATCH 2/3] asm-generic, x86: wrap atomic operations Dmitry Vyukov
2017-03-20 16:41 ` Andrey Ryabinin
2017-03-20 17:17 ` Mark Rutland
2017-03-21 9:25 ` Andrey Ryabinin
2017-03-21 10:41 ` Mark Rutland
2017-03-21 18:06 ` Dmitry Vyukov
2017-03-21 21:20 ` Arnd Bergmann
2017-03-22 10:42 ` Dmitry Vyukov
2017-03-22 11:30 ` Arnd Bergmann
2017-03-22 12:14 ` Dmitry Vyukov [this message]
2017-03-22 12:48 ` Arnd Bergmann
2017-03-24 6:52 ` Ingo Molnar
2017-03-24 7:14 ` Dmitry Vyukov
2017-03-24 8:39 ` Dmitry Vyukov
2017-03-24 10:57 ` Ingo Molnar
2017-03-24 12:46 ` Dmitry Vyukov
2017-03-28 7:52 ` Ingo Molnar
2017-03-28 9:27 ` Peter Zijlstra
2017-03-28 9:46 ` Dmitry Vyukov
2017-03-28 9:51 ` Ingo Molnar
2017-03-28 9:56 ` Dmitry Vyukov
2017-03-28 10:15 ` Ingo Molnar
2017-03-28 16:29 ` Dmitry Vyukov
2017-03-14 19:24 ` [PATCH 3/3] asm-generic: add KASAN instrumentation to " Dmitry Vyukov
2017-03-30 22:30 ` [PATCH 0/3] x86, kasan: add KASAN checks " Andrew Morton
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