RE: Enable no-exec stacks for more targets using the Linux kernel

2017-09-25 Thread Nagaraju Mekala
@anglin.bell.net; wil...@tuliptree.org; Michael Eager > > Subject: RE: Enable no-exec stacks for more targets using the Linux kernel > > [This sender failed our fraud detection checks and may not be who they > appear to be. Learn about spoofing at http://aka.ms/LearnAboutSp

Re: Enable no-exec stacks for more targets using the Linux kernel

2017-09-21 Thread Jakub Jelinek
On Wed, Sep 20, 2017 at 12:25:46PM +, Joseph Myers wrote: > On Wed, 20 Sep 2017, Andreas Schwab wrote: > > > On Sep 19 2017, Joseph Myers wrote: > > > > > I've sent a glibc patch > > > . I think > > > the > > > key questions for

Re: Enable no-exec stacks for more targets using the Linux kernel

2017-09-21 Thread Eric Botcazou
> Thanks. I think this adequately confirms my glibc patch is safe for ia64. > The questions above remain for hppa and microblaze. HP-PA uses function descriptors like IA-64 so same outcome. -- Eric Botcazou

RE: Enable no-exec stacks for more targets using the Linux kernel

2017-09-21 Thread Nagaraju Mekala
r > > Subject: Re: Enable no-exec stacks for more targets using the Linux kernel > > On Wed, 20 Sep 2017, Nagaraju Mekala wrote: > > > > I've sent a glibc patch > > > <https://sourceware.org/ml/libc-alpha/2017-09/msg00734.html>. I > > >think th

Re: Enable no-exec stacks for more targets using the Linux kernel

2017-09-20 Thread Joseph Myers
On Wed, 20 Sep 2017, Andreas Schwab wrote: > On Sep 19 2017, Joseph Myers wrote: > > > I've sent a glibc patch > > . I think the > > key questions for architecture experts now are: on each of those three > > architectures, do trampo

Re: Enable no-exec stacks for more targets using the Linux kernel

2017-09-20 Thread Joseph Myers
On Wed, 20 Sep 2017, Nagaraju Mekala wrote: > > I've sent a glibc patch > > . I think the > >key questions for architecture experts now are: on each of those three > >architectures, do trampolines ever require executable stacks, and,

RE: Enable no-exec stacks for more targets using the Linux kernel

2017-09-19 Thread Nagaraju Mekala
wil...@tuliptree.org; ea...@eagercon.com > Subject: Re: Enable no-exec stacks for more targets using the Linux kernel > > On Sep 19 2017, Joseph Myers wrote: > > > I've sent a glibc patch > > <https://sourceware.org/ml/libc-alpha/2017-09/msg00734.html>. I thin

Re: Enable no-exec stacks for more targets using the Linux kernel

2017-09-19 Thread Andreas Schwab
On Sep 19 2017, Joseph Myers wrote: > I've sent a glibc patch > . I think the > key questions for architecture experts now are: on each of those three > architectures, do trampolines ever require executable stacks, and, if they > do

Re: Enable no-exec stacks for more targets using the Linux kernel

2017-09-19 Thread Nagaraju Mekala
>On Tue, 19 Sep 2017, Andreas Schwab wrote: > >On Sep 18 2017, Joseph Myers wrote: > > > > Building glibc for many different configurations and running the > > compilation parts of the testsuite runs into failures of the > > elf/check-execstack test for hppa, ia64 and microblaze. > > >> ia64 is n

Re: Enable no-exec stacks for more targets using the Linux kernel

2017-09-19 Thread Joseph Myers
On Tue, 19 Sep 2017, Andreas Schwab wrote: > On Sep 18 2017, Joseph Myers wrote: > > > Building glibc for many different configurations and running the > > compilation parts of the testsuite runs into failures of the > > elf/check-execstack test for hppa, ia64 and microblaze. > > ia64 is non-ex

Re: Enable no-exec stacks for more targets using the Linux kernel

2017-09-19 Thread Michael Eager
On 09/19/2017 12:17 AM, Andreas Schwab wrote: On Sep 18 2017, Joseph Myers wrote: Building glibc for many different configurations and running the compilation parts of the testsuite runs into failures of the elf/check-execstack test for hppa, ia64 and microblaze. ia64 is non-execstack by def

Re: Enable no-exec stacks for more targets using the Linux kernel

2017-09-19 Thread Andreas Schwab
On Sep 18 2017, Joseph Myers wrote: > Building glibc for many different configurations and running the > compilation parts of the testsuite runs into failures of the > elf/check-execstack test for hppa, ia64 and microblaze. ia64 is non-execstack by default, so it doesn't need any marking. The s

Re: Enable no-exec stacks for more targets using the Linux kernel

2017-09-18 Thread Jim Wilson
On Mon, 2017-09-18 at 22:03 +, Joseph Myers wrote: > Thus, I'd like the architecture maintainers to advise on whether any > such issues apply for their architecture.  If they do, that will > provide the information needed for a comment on XFAILing the test in > glibc.  If no such reasons apply