Re: [tip:x86/urgent] x86-64, modify_ldt: Ban 16-bit segments on 64-bit kernels

Andy Lutomirski
2014-04-13T01:29:33Z

On Sat, Apr 12, 2014 at 6:25 PM, Andy Lutomirski <luto@amacapital.net> wrote:
> On Sat, Apr 12, 2014 at 5:03 PM, H. Peter Anvin <hpa@zytor.com> wrote:
>> A signal arriving while in the user space trampoline could seriously
>> complicate life.
>
> Agreed.

Maybe I don't agree. Have signals ever worked sensibly when delivered
to a task running on an unexpected stack or code segment?

--Andy