Messages in this thread | | | Date | Tue, 29 Jan 2019 17:36:34 -0800 | From | Andrew Morton <> | Subject | Re: [PATCH] lib/ubsan: default UBSAN_ALIGNMENT to not set |
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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?
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