[PATCH 00/15] kasan: x86: arm64: risc-v: KASAN tag-based mode for x86

Ard Biesheuvel ardb at kernel.org
Wed Feb 5 15:04:17 PST 2025


On Wed, 5 Feb 2025 at 20:31, Christoph Lameter (Ampere) <cl at gentwo.org> wrote:
>
> MTE tagging is part of the processor standard for ARM64 and Linux will
> need to support the 16 byte tagging feature one way or another even if
> Intel does not like it. And AFAICT hardware tagging support is a critical
> security feature for the future.
>

Can you explain what you feel is lacking in the existing MTE support
in KAsan (enabled when selecting CONFIG_KASAN_HW_TAGS)?



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