[PATCH v2 0/4] KVM: arm64: UBSAN at EL2

Marc Zyngier maz at kernel.org
Wed May 7 03:35:38 PDT 2025


On Wed, 30 Apr 2025 19:32:23 +0100,
Kees Cook <kees at kernel.org> wrote:
> 
> On Wed, Apr 30, 2025 at 04:27:07PM +0000, Mostafa Saleh wrote:
> > Many of the sanitizers the kernel supports are disabled when running
> > in EL2 with nvhe/hvhe/proctected modes, some of those are easier
> > (and makes more sense) to integrate than others.
> > Last year, kCFI support was added in [1]
> > 
> > This patchset adds support for UBSAN in EL2.
> 
> This touches both UBSAN and arm64 -- I'm happy to land this via the
> hardening tree, but I expect the arm64 folks would rather take it via
> their tree. What would people like to have happen?

FWIW, I have now taken this in kvmarm/next. A stable branch is
available at [1] for anyone to pull and resolve potential conflicts.

Thanks,

	M.

[1] https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git/log/?h=kvm-arm64/ubsan-el2

-- 
Without deviation from the norm, progress is not possible.



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