On Wed, May 08, 2019 at 07:04:40PM -0700, Eric Biggers wrote: > And I also asked whether indirect calls to asm code are even allowed > with CFI. IIRC, the AOSP kernels have been patched to remove them from > arm64 At least with clang, indirect calls to stand-alone assembly functions trip CFI checks, which is why Android kernels use static inline stubs to convert these to direct calls instead. Sami