On Mon, 9 Sept 2024 at 18:56, Rebecca Cran <rebe...@bsdio.com> wrote: > > On 9/9/24 10:13 AM, Ard Biesheuvel via groups.io wrote: > > On Mon, 9 Sept 2024 at 18:11, Rebecca Cran <rebe...@bsdio.com> wrote: > >> Replace the old X86EmulatorDxe with one built from > >> https://github.com/intel/MultiArchUefiPkg. This is a much more modern, > >> recent implementation that's more reliable and is actively maintained. > > What was the conclusion in the end regarding NULL pointer deref handling? > > Andrei (cc'd) said: > > > "- All memory but the zero page is visible to the emulator. See > CpuNullReadCb/CpuNullWriteCb. See also TestNullDeref in > Application/EmulatorTest. I don't remember if I added the behavior > because this is what the original did, or because I actively tripped on > the NULL accesses from some x86 code I was testing..." > > > I don't know if that resolved the concern or not. >
I think it does. Acked-by: Ard Biesheuvel <a...@kernel.org> -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#120565): https://edk2.groups.io/g/devel/message/120565 Mute This Topic: https://groups.io/mt/108357668/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
