PING: [PATCH 0/2] nptl: Update struct pthread_unwind_buf

H.J. Lu hjl.tools@gmail.com
Thu Feb 15 21:30:00 GMT 2018


On Fri, Feb 9, 2018 at 7:24 AM, H.J. Lu <hjl.tools@gmail.com> wrote:
> On Fri, Feb 9, 2018 at 6:33 AM, Florian Weimer <fweimer@redhat.com> wrote:
>> On 02/09/2018 03:13 PM, H.J. Lu wrote:
>>>
>>> I built glibc master with gcc-8.0.1 -mcet -fcf-protection.  Some object
>>> files do get CET marker as expected.  But static executable isn't:
>>
>>
>> I said static libraries.  If I compile this code (based on the example from
>> the manual page) on Fedora rawhide:
>>
>
> Glibc never provides binary compatibility with static libraries.  My suggestions
> are
>
> 1. Recompile static libraries after CET is enabled in glibc.  Or
> 2. Don't compile static libraries with CET.
>
> BTW, we don't have space to save shadow stack register with existing
> cancel buf.
>

PING:

https://sourceware.org/ml/libc-alpha/2018-02/msg00290.html
https://sourceware.org/ml/libc-alpha/2018-02/msg00291.html


-- 
H.J.



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