On Tue, Jul 30, 2024 at 11:40 AM Alice Ryhl <aliceryhl@xxxxxxxxxx> wrote: > > Introduce a Kconfig option for enabling the experimental option to > normalize integer types. This ensures that integer types of the same > size and signedness are considered compatible by the Control Flow > Integrity sanitizer. > > This option exists for compatibility with Rust, as C and Rust do not > have the same set of integer types. There are cases where C has two > different integer types of the same size and alignment, but Rust only > has one integer type of that size and alignment. When Rust calls into > C functions using such types in their signature, this results in CFI > failures. This should say signedness where it says alignment. Alice