This is the mail archive of the
libc-alpha@sourceware.org
mailing list for the glibc project.
Re: [PATCH] explicit_bzero final
- From: Florian Weimer <fweimer at redhat dot com>
- To: Zack Weinberg <zackw at panix dot com>
- Cc: Jeff Law <law at redhat dot com>, GNU C Library <libc-alpha at sourceware dot org>, Joseph Myers <joseph at codesourcery dot com>, Adhemerval Zanella <adhemerval dot zanella at linaro dot org>, Wilco Dijkstra <Wilco dot Dijkstra at arm dot com>
- Date: Wed, 14 Dec 2016 14:15:08 +0100
- Subject: Re: [PATCH] explicit_bzero final
- Authentication-results: sourceware.org; auth=none
- References: <20161212230622.14045-1-zackw@panix.com> <96232743-345c-5126-e526-9a8aadc4fdb7@redhat.com> <CAKCAbMgRrFKsisTu1wMYtLnc44Zwt5-GPFpt8GPWu2oXv6JN=Q@mail.gmail.com> <2e51eedf-874e-cb81-79a6-0a0c667371db@redhat.com> <CAKCAbMgxfviybrcRtSO-=eEc0YQc-TfwP+fvtKqQsodBTr_isg@mail.gmail.com>
On 12/14/2016 02:04 AM, Zack Weinberg wrote:
We also have a nasty interaction between internal PLT bypass and
ifuncs which means that a hypothetical __explicit_bzero_chk is
ridiculously difficult to implement. I tried that once already and it
did not go well.
I'm looking into this aspect right now.
Florian