memory tagging should be a game changer for C and C++; get with the program, @intel and @apple!!pic.twitter.com/z2vXAtTb7z
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Allocators will make sure that no two adjacent memory regions have the same tag.
That said, the lack of protection against intra-object overflows is significant. If an attacker can overflow a buffer backward to change an object’s vtable, that’s often game over.
Yes. Success of MTE will security-incentivize designs that place arrays in separate[ly allocated] objects.
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