On Thu, Sep 03, 2020 at 11:12:02AM +0100, Boyan Karatotev wrote:
> On 02/09/2020 17:49, Dave Martin wrote:
> > On Fri, Aug 28, 2020 at 02:16:03PM +0100, Boyan Karatotev wrote:
> >> PAuth signs and verifies return addresses on the stack. It does so by
> >> inserting a Pointer Authentication code
On 02/09/2020 17:49, Dave Martin wrote:
> On Fri, Aug 28, 2020 at 02:16:03PM +0100, Boyan Karatotev wrote:
>> PAuth signs and verifies return addresses on the stack. It does so by
>> inserting a Pointer Authentication code (PAC) into some of the unused top
>> bits of an address. This is achieved
On Fri, Aug 28, 2020 at 02:16:03PM +0100, Boyan Karatotev wrote:
> PAuth signs and verifies return addresses on the stack. It does so by
> inserting a Pointer Authentication code (PAC) into some of the unused top
> bits of an address. This is achieved by adding paciasp/autiasp instructions
> at
Hi Boyan,
On 8/28/20 6:46 PM, Boyan Karatotev wrote:
PAuth signs and verifies return addresses on the stack. It does so by
inserting a Pointer Authentication code (PAC) into some of the unused top
bits of an address. This is achieved by adding paciasp/autiasp instructions
at the beginning and
On 8/28/20 2:16 PM, Boyan Karatotev wrote:
> PAuth signs and verifies return addresses on the stack. It does so by
> inserting a Pointer Authentication code (PAC) into some of the unused top
> bits of an address. This is achieved by adding paciasp/autiasp instructions
> at the beginning and end of
PAuth signs and verifies return addresses on the stack. It does so by
inserting a Pointer Authentication code (PAC) into some of the unused top
bits of an address. This is achieved by adding paciasp/autiasp instructions
at the beginning and end of a function.
This feature is partially backwards
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