On Mon, Jul 14, 2025 at 06:30:09PM +0200, Miguel Ojeda wrote: > On Mon, Jul 14, 2025 at 12:45 PM Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote: > > > > Apparently some Rust 'core' code violates this and explodes when ran > > with FineIBT. > > I think this was fixed in Rust 1.88 (latest version), right? Or is > there an issue still? > > 5595c31c3709 ("x86/Kconfig: make CFI_AUTO_DEFAULT depend on !RUST > or Rust >= 1.88") Oh yeah, it got fixed. Clearly I failed to update the Changelog. > > - runtime EFI is especially henous because it also needs to disable > > IBT. Basically calling unknown code without CFI protection at > > runtime is a massice security issue. > > heinous > massive Typing hard; Thanks!