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SubjectRe: [RFC PATCH v2 10/21] arm64: Add CFI error handling
On Fri, May 13, 2022 at 01:21:48PM -0700, Sami Tolvanen wrote:
> With -fsanitize=kcfi, CFI always traps. Add arm64 support for handling
> CFI failures. The registers containing the target address and the
> expected type are encoded in the first ten bits of the ESR as follows:
> - 0-4: n, where the register Xn contains the target address
> - 5-9: m, where the register Wm contains the type hash
> Suggested-by: Mark Rutland <>
> Signed-off-by: Sami Tolvanen <>

It might be nice just to include an example exception Oops in this
commit log.

Reviewed-by: Kees Cook <>

Kees Cook

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