On Thu, Jan 7, 2021 at 7:15 PM Nathan Chancellor
wrote:
> On Thu, Jan 07, 2021 at 09:22:00AM -0800, Kees Cook wrote:
> > I think this is:
> > https://github.com/ClangBuiltLinux/linux/issues/256
> > and that bug needs re-opening? Or maybe there's a new bug I can't find?
>
> The problem is that app
On Thu, Jan 07, 2021 at 09:22:00AM -0800, Kees Cook wrote:
> On Thu, Jan 07, 2021 at 05:09:59PM +0100, Arnd Bergmann wrote:
> > On Wed, Jan 6, 2021 at 11:12 PM Arnd Bergmann wrote:
> > >
> > > On Wed, Jan 6, 2021 at 10:57 PM Kees Cook wrote:
> > > > On Wed, Dec 30, 2020 at 04:47:35PM +0100, Arnd
On Thu, Jan 07, 2021 at 05:09:59PM +0100, Arnd Bergmann wrote:
> On Wed, Jan 6, 2021 at 11:12 PM Arnd Bergmann wrote:
> >
> > On Wed, Jan 6, 2021 at 10:57 PM Kees Cook wrote:
> > > On Wed, Dec 30, 2020 at 04:47:35PM +0100, Arnd Bergmann wrote:
> > > > diff --git a/lib/Kconfig.ubsan b/lib/Kconfig.
On Wed, Jan 6, 2021 at 11:12 PM Arnd Bergmann wrote:
>
> On Wed, Jan 6, 2021 at 10:57 PM Kees Cook wrote:
> > On Wed, Dec 30, 2020 at 04:47:35PM +0100, Arnd Bergmann wrote:
> > > diff --git a/lib/Kconfig.ubsan b/lib/Kconfig.ubsan
> > > index 8b635fd75fe4..e23873282ba7 100644
> > > --- a/lib/Kconf
On Wed, Jan 06, 2021 at 11:06:39PM +0100, Arnd Bergmann wrote:
> On Wed, Jan 6, 2021 at 10:38 PM Nathan Chancellor
> wrote:
> > On Wed, Jan 06, 2021 at 10:12:51AM +0100, Arnd Bergmann wrote:
> > > On Tue, Jan 5, 2021 at 10:25 AM Arnd Bergmann wrote:
> > > >
> > > > On Mon, Jan 4, 2021 at 11:33 PM
On Thu, Jan 7, 2021 at 12:17 AM Kees Cook wrote:
>
> On Wed, Jan 06, 2021 at 11:12:18PM +0100, Arnd Bergmann wrote:
> > On Wed, Jan 6, 2021 at 10:57 PM Kees Cook wrote:
> > > On Wed, Dec 30, 2020 at 04:47:35PM +0100, Arnd Bergmann wrote:
> > > > diff --git a/lib/Kconfig.ubsan b/lib/Kconfig.ubsan
On Wed, Jan 06, 2021 at 11:12:18PM +0100, Arnd Bergmann wrote:
> On Wed, Jan 6, 2021 at 10:57 PM Kees Cook wrote:
> > On Wed, Dec 30, 2020 at 04:47:35PM +0100, Arnd Bergmann wrote:
> > > diff --git a/lib/Kconfig.ubsan b/lib/Kconfig.ubsan
> > > index 8b635fd75fe4..e23873282ba7 100644
> > > --- a/li
On Wed, Jan 6, 2021 at 10:57 PM Kees Cook wrote:
> On Wed, Dec 30, 2020 at 04:47:35PM +0100, Arnd Bergmann wrote:
> > diff --git a/lib/Kconfig.ubsan b/lib/Kconfig.ubsan
> > index 8b635fd75fe4..e23873282ba7 100644
> > --- a/lib/Kconfig.ubsan
> > +++ b/lib/Kconfig.ubsan
> > @@ -122,6 +122,8 @@ confi
On Wed, Jan 6, 2021 at 10:38 PM Nathan Chancellor
wrote:
> On Wed, Jan 06, 2021 at 10:12:51AM +0100, Arnd Bergmann wrote:
> > On Tue, Jan 5, 2021 at 10:25 AM Arnd Bergmann wrote:
> > >
> > > On Mon, Jan 4, 2021 at 11:33 PM Nathan Chancellor
> > > wrote:
> > > > On Wed, Dec 30, 2020 at 05:13:03PM
On Wed, Dec 30, 2020 at 04:47:35PM +0100, Arnd Bergmann wrote:
> From: Arnd Bergmann
>
> Building ubsan kernels even for compile-testing introduced these
> warnings in my randconfig environment:
>
> crypto/blake2b_generic.c:98:13: error: stack frame size of 9636 bytes in
> function 'blake2b_com
On Wed, Jan 06, 2021 at 10:12:51AM +0100, Arnd Bergmann wrote:
> On Tue, Jan 5, 2021 at 10:25 AM Arnd Bergmann wrote:
> >
> > On Mon, Jan 4, 2021 at 11:33 PM Nathan Chancellor
> > wrote:
> > > On Wed, Dec 30, 2020 at 05:13:03PM +0100, Marco Elver wrote:
> > > > On Wed, 30 Dec 2020 at 16:47, Arnd
On Tue, Jan 5, 2021 at 10:25 AM Arnd Bergmann wrote:
>
> On Mon, Jan 4, 2021 at 11:33 PM Nathan Chancellor
> wrote:
> > On Wed, Dec 30, 2020 at 05:13:03PM +0100, Marco Elver wrote:
> > > On Wed, 30 Dec 2020 at 16:47, Arnd Bergmann wrote:
> > > >
> > > > From: Arnd Bergmann
> > > >
> > > > Build
On Mon, Jan 4, 2021 at 11:33 PM Nathan Chancellor
wrote:
> On Wed, Dec 30, 2020 at 05:13:03PM +0100, Marco Elver wrote:
> > On Wed, 30 Dec 2020 at 16:47, Arnd Bergmann wrote:
> > >
> > > From: Arnd Bergmann
> > >
> > > Building ubsan kernels even for compile-testing introduced these
> > > warnin
On Wed, Dec 30, 2020 at 05:13:03PM +0100, Marco Elver wrote:
> On Wed, 30 Dec 2020 at 16:47, Arnd Bergmann wrote:
> >
> > From: Arnd Bergmann
> >
> > Building ubsan kernels even for compile-testing introduced these
> > warnings in my randconfig environment:
> >
> > crypto/blake2b_generic.c:98:13:
On Mon, Jan 04, 2021 at 03:33:33PM -0800, Andrew Morton wrote:
> On Mon, 4 Jan 2021 15:33:36 -0700 Nathan Chancellor
> wrote:
>
> > > > +++ b/lib/Kconfig.ubsan
> > > > @@ -122,6 +122,8 @@ config UBSAN_SIGNED_OVERFLOW
> > > >
> > > > config UBSAN_UNSIGNED_OVERFLOW
> > > > bool "Perform c
On Mon, 4 Jan 2021 15:33:36 -0700 Nathan Chancellor
wrote:
> > > +++ b/lib/Kconfig.ubsan
> > > @@ -122,6 +122,8 @@ config UBSAN_SIGNED_OVERFLOW
> > >
> > > config UBSAN_UNSIGNED_OVERFLOW
> > > bool "Perform checking for unsigned arithmetic overflow"
> > > + # clang hugely expands
On Wed, 30 Dec 2020 at 16:47, Arnd Bergmann wrote:
>
> From: Arnd Bergmann
>
> Building ubsan kernels even for compile-testing introduced these
> warnings in my randconfig environment:
>
> crypto/blake2b_generic.c:98:13: error: stack frame size of 9636 bytes in
> function 'blake2b_compress' [-We
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