From: Andrew Morton <akpm@linux-foundation.org>
To: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Anders Roxell <anders.roxell@linaro.org>,
arnd@arndb.de, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] lib/ubsan: default UBSAN_ALIGNMENT to not set
Date: Tue, 29 Jan 2019 17:36:34 -0800 [thread overview]
Message-ID: <20190129173634.ee579795b227b141efc8bd30@linux-foundation.org> (raw)
In-Reply-To: <8bc73bbf-6c12-7fd1-3253-676731bf5ae5@virtuozzo.com>
On Fri, 11 Jan 2019 22:01:16 +0300 Andrey Ryabinin <aryabinin@virtuozzo.com> wrote:
>
>
> On 12/17/18 6:03 PM, Anders Roxell wrote:
> > When booting an allmodconfig kernel, there are a lot of false-positives.
> > With a message like this 'UBSAN: Undefined behaviour in...' with a call
> > trace that follows.
> >
> > Reworked so that when building a allmodconfig kernel that turns
> > everything into '=m' or '=y' will turn off UBSAN_ALIGNMENT.
> >
> > Suggested-by: Arnd Bergmann <arnd@arndb.de>
> > Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
> > ---
>
> Acked-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
>
Confused. Why does allmodconfig result in UBSAN warnings?
next prev parent reply other threads:[~2019-01-30 1:36 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-17 15:03 [PATCH] lib/ubsan: default UBSAN_ALIGNMENT to not set Anders Roxell
2019-01-11 19:01 ` Andrey Ryabinin
2019-01-30 1:36 ` Andrew Morton [this message]
2019-01-30 17:12 ` Andrey Ryabinin
2019-01-30 21:30 ` Arnd Bergmann
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