On Thu, May 23, 2019 at 12:41 AM Jakub Jelinek wrote:
>
> Hi!
>
> For stack_protect_test_[sd]i we don't use comparison, so that we clear the
> content of the register and don't keep the stack canary in any register for
> security reasons, but as mentioned in the PR, using sub instead of xor
> achi
Hi!
For stack_protect_test_[sd]i we don't use comparison, so that we clear the
content of the register and don't keep the stack canary in any register for
security reasons, but as mentioned in the PR, using sub instead of xor
achieves the same effect in the likely case (no failure), in the failure
