[OE-core] [PATCH 2/3] pulseaudio: disable PIE flags when hardened flags are enabled

[Tanu Kaskinen]

On Fri, 2017-06-09 at 10:10 -0700, Khem Raj wrote:
> On Fri, Jun 9, 2017 at 9:38 AM, Tanu Kaskinen <tanuk at iki.fi> wrote:
> > On Fri, 2017-06-09 at 13:07 +0000, Khem Raj wrote:
> > > On Fri, Jun 9, 2017 at 5:56 AM Burton, Ross <ross.burton at intel.com> wrote:
> > > 
> > > > On 9 June 2017 at 04:41, Khem Raj <raj.khem at gmail.com> wrote:
> > > > 
> > > > > +SECURITY_CFLAGS = "${SECURITY_NO_PIE_CFLAGS}"
> > > > > 
> > > > 
> > > > These tend to go into security-flags.inc, not the recipe.
> > > > 
> > > 
> > > I know that's been the case but I think having a global file is error prone
> > > its better to have it in recipe context since it can get attention at
> > > upgrade time to test if this has been fixed in new release etc
> > 
> > Do you mean that there's some bug in pulseaudio, and this is a
> > workaround for it? Is the bug that there are textrels? Ross saw
> > textrels in pulseaudio before (see the discussion starting at [1]), but
> > I was unable to reproduce that. If you give instructions for
> > reproducing the problem, I'll see if I can fix pulseaudio (until then
> > I'm fine with having a workaround).
> > 
> 
> yes there is a bug lurking when compiling with hardening flags are turned on
> so you can do something like
> 
> in local.conf
> 
> require conf/distro/include/security_flags.inc
> 
> then
> 
> MACHINE=qemux86 bitbake pulseaudio
> 
> it also happens on arm so qemuarm will reproduce it too.
> 
> some assembly code is probably missing using GOT relative accesses

Resurrecting this ancient thread... I finally tried to reproduce this
problem with the given instructions. No success. Have you still been
running into this issue?

-- 
Tanu

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