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KVM: arm64: nv: Inject a SEA if failed to read the descriptor

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Failure to read the descriptor (because it is outside of a memslot) should
result in a SEA being injected in the guest.

Suggested-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/86ms1m9lp3.wl-maz@kernel.org
Signed-off-by: Zenghui Yu (Huawei) <zenghui.yu@linux.dev>
Link: https://patch.msgid.link/20260225173515.20490-4-zenghui.yu@linux.dev
Signed-off-by: Marc Zyngier <maz@kernel.org>
This commit is contained in:
Zenghui Yu (Huawei)
2026-02-26 01:35:15 +08:00
committed by Marc Zyngier
parent 99a339377f
commit eb54fa1025
1 changed files with 3 additions and 1 deletions
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4
arch/arm64/kvm/nested.c
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@@ -296,8 +296,10 @@ static int walk_nested_s2_pgd(struct kvm_vcpu *vcpu, phys_addr_t ipa,
paddr = base_addr | index;
ret = read_guest_s2_desc(vcpu, paddr, &desc, wi);
if (ret < 0)
if (ret < 0) {
out->esr = ESR_ELx_FSC_SEA_TTW(level);
return ret;
}
new_desc = desc;