Re: arm64 BTI support for mpg123

2023-07-25 Thread Theo de Raadt
Mark Kettenis wrote: > I'm not sure to what extent this makes IBT less effective. Can the > retpolines be used as gadgets to bypass IBT? Should we stop enabling > retpolines by default? > > What *is* obvious is that retpolines are incompatible wuth shadow > stacks. Is there an alternative tha

Re: arm64 BTI support for mpg123

2023-07-25 Thread Mark Kettenis
> From: "Theo de Raadt" > Date: Tue, 25 Jul 2023 08:23:14 -0600 > > Christian Weisgerber wrote: > > > Mark Kettenis: > > > > > This port has some infrastructure to use an optimized function that > > > uses a function pointer. Not sure why for arm64 it actually uses that > > > infrastructure,