On Thu, Apr 4, 2024 at 5:25 PM Matthew Maurer <mmaurer@xxxxxxxxxx> wrote: > > This patch is fine by me - the last patch needed for KCFI to be > functional in Rust just landed upstream last night, so we should > revisit this (in the form of enabling it) once we move to > `rustc-1.79.0` or later. In case anyone wants it for local > experimentation, I have a backport branch [1] which applies these to > the 1.73.0 compiler and enables it in the kernel [2] (not upstreamed > because the feature isn't yet in kernel's `rustc`), which Android will > be using for the Rust binder driver. This patch will require a recent > (last year or so) clang, as it relies on > `-fsanitize-cfi-icall-experimental-normalize-integers`. > > [1]: https://github.com/maurer/rust/tree/1.73.0%2Bcfi > [2]: https://android-review.git.corp.google.com/c/kernel/common/+/2930616 Thanks for the update, Matthew! I guess the public link is: https://android-review.googlesource.com/c/kernel/common/+/2930616 Cheers, Miguel
