On Wed, Jun 19, 2019 at 04:45:02PM +0200, Andrey Konovalov wrote:
> On Wed, Jun 12, 2019 at 1:43 PM Andrey Konovalov
> wrote:
> > From: Catalin Marinas
> >
> > It is not desirable to relax the ABI to allow tagged user addresses into
> > the kernel indiscriminately. This patch introduces a
On Thu, Jun 13, 2019 at 10:13:54PM -0700, Kees Cook wrote:
> On Thu, Jun 13, 2019 at 04:26:32PM +0100, Catalin Marinas wrote:
> > On Thu, Jun 13, 2019 at 12:02:35PM +0100, Dave P Martin wrote:
> > > On Wed, Jun 12, 2019 at 01:43:20PM +0200, Andrey Konovalov wrote:
> > > > +static int zero;
> > > >
On Wed, Jun 12, 2019 at 01:43:20PM +0200, Andrey Konovalov wrote:
> From: Catalin Marinas
>
> It is not desirable to relax the ABI to allow tagged user addresses into
> the kernel indiscriminately. This patch introduces a prctl() interface
> for enabling or disabling the tagged ABI with a global
On Mon, Jun 17, 2019 at 10:18 AM Catalin Marinas
wrote:
>
> On Mon, Jun 17, 2019 at 09:57:36AM -0700, Evgenii Stepanov wrote:
> > On Mon, Jun 17, 2019 at 6:56 AM Catalin Marinas
> > wrote:
> > > On Wed, Jun 12, 2019 at 01:43:20PM +0200, Andrey Konovalov wrote:
> > > > From: Catalin Marinas
> >
On Mon, Jun 17, 2019 at 6:56 AM Catalin Marinas wrote:
>
> On Wed, Jun 12, 2019 at 01:43:20PM +0200, Andrey Konovalov wrote:
> > From: Catalin Marinas
> >
> > It is not desirable to relax the ABI to allow tagged user addresses into
> > the kernel indiscriminately. This patch introduces a prctl()
On Mon, Jun 17, 2019 at 09:57:36AM -0700, Evgenii Stepanov wrote:
> On Mon, Jun 17, 2019 at 6:56 AM Catalin Marinas
> wrote:
> > On Wed, Jun 12, 2019 at 01:43:20PM +0200, Andrey Konovalov wrote:
> > > From: Catalin Marinas
> > >
> > > It is not desirable to relax the ABI to allow tagged user
On 17/06/2019 14:56, Catalin Marinas wrote:
> On Wed, Jun 12, 2019 at 01:43:20PM +0200, Andrey Konovalov wrote:
>> From: Catalin Marinas
>>
>> It is not desirable to relax the ABI to allow tagged user addresses into
>> the kernel indiscriminately. This patch introduces a prctl() interface
>> for
On Wed, Jun 12, 2019 at 01:43:20PM +0200, Andrey Konovalov wrote:
> From: Catalin Marinas
>
> It is not desirable to relax the ABI to allow tagged user addresses into
> the kernel indiscriminately. This patch introduces a prctl() interface
> for enabling or disabling the tagged ABI with a global
On Thu, Jun 13, 2019 at 04:45:54PM +0100, Vincenzo Frascino wrote:
> On 13/06/2019 16:35, Catalin Marinas wrote:
> > On Thu, Jun 13, 2019 at 12:16:59PM +0100, Dave P Martin wrote:
> >> On Wed, Jun 12, 2019 at 01:43:20PM +0200, Andrey Konovalov wrote:
> >>> +
> >>> +/*
> >>> + * Control the relaxed
On 13/06/2019 16:35, Catalin Marinas wrote:
> On Thu, Jun 13, 2019 at 12:16:59PM +0100, Dave P Martin wrote:
>> On Wed, Jun 12, 2019 at 01:43:20PM +0200, Andrey Konovalov wrote:
>>> From: Catalin Marinas
>>>
>>> It is not desirable to relax the ABI to allow tagged user addresses into
>>> the
On Wed, Jun 12, 2019 at 01:43:20PM +0200, Andrey Konovalov wrote:
> From: Catalin Marinas
>
> It is not desirable to relax the ABI to allow tagged user addresses into
> the kernel indiscriminately. This patch introduces a prctl() interface
> for enabling or disabling the tagged ABI with a global
Hi Dave,
On Thu, Jun 13, 2019 at 12:02:35PM +0100, Dave P Martin wrote:
> On Wed, Jun 12, 2019 at 01:43:20PM +0200, Andrey Konovalov wrote:
> > +/*
> > + * Global sysctl to disable the tagged user addresses support. This control
> > + * only prevents the tagged address ABI enabling via prctl()
On 13/06/2019 16:57, Catalin Marinas wrote:
> On Thu, Jun 13, 2019 at 04:45:54PM +0100, Vincenzo Frascino wrote:
>> On 13/06/2019 16:35, Catalin Marinas wrote:
>>> On Thu, Jun 13, 2019 at 12:16:59PM +0100, Dave P Martin wrote:
On Wed, Jun 12, 2019 at 01:43:20PM +0200, Andrey Konovalov wrote:
On Thu, Jun 13, 2019 at 12:16:59PM +0100, Dave P Martin wrote:
> On Wed, Jun 12, 2019 at 01:43:20PM +0200, Andrey Konovalov wrote:
> > From: Catalin Marinas
> >
> > It is not desirable to relax the ABI to allow tagged user addresses into
> > the kernel indiscriminately. This patch introduces a
On Thu, Jun 13, 2019 at 04:26:32PM +0100, Catalin Marinas wrote:
> On Thu, Jun 13, 2019 at 12:02:35PM +0100, Dave P Martin wrote:
> > On Wed, Jun 12, 2019 at 01:43:20PM +0200, Andrey Konovalov wrote:
> > > +static int zero;
> > > +static int one = 1;
> >
> > !!!
> >
> > And these can't even be
On 12/06/2019 12:43, Andrey Konovalov wrote:
> From: Catalin Marinas
>
> It is not desirable to relax the ABI to allow tagged user addresses into
> the kernel indiscriminately. This patch introduces a prctl() interface
> for enabling or disabling the tagged ABI with a global sysctl control
> for
On Wed, Jun 12, 2019 at 01:43:20PM +0200, Andrey Konovalov wrote:
> From: Catalin Marinas
>
> It is not desirable to relax the ABI to allow tagged user addresses into
> the kernel indiscriminately. This patch introduces a prctl() interface
> for enabling or disabling the tagged ABI with a global
From: Catalin Marinas
It is not desirable to relax the ABI to allow tagged user addresses into
the kernel indiscriminately. This patch introduces a prctl() interface
for enabling or disabling the tagged ABI with a global sysctl control
for preventing applications from enabling the relaxed ABI
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