Subject KVM: x86: Document and enforce APIC base memory hole
Author twiederh@redhat.com
Date 2026-07-06 09:20:16 +0000 UTC
Version
Cc bp@alien8.de corbet@lwn.net dave.hansen@linux.intel.com hpa@zytor.com kvm@vger.kernel.org linux-doc@vger.kernel.org linux-kernel@vger.kernel.org mingo@redhat.com pbonzini@redhat.com seanjc@google.com skhan@linuxfoundation.org tglx@kernel.org twiederh@redhat.com x86@kernel.org
Patches (4)
Name Content [All]
[PATCH 1/4] KVM: x86: Document that KVM_CREATE_IRQCHIP must precede vcpu creation [Body]
[PATCH 2/4] KVM: x86: Document APIC base address constraint for in-kernel irqchip [Body]
[PATCH 3/4] KVM: x86: Reject KVM_CREATE_IRQCHIP if APIC base is already mapped [Body]
[PATCH 4/4] KVM: x86: Reject user memory regions covering the APIC base [Body]
Session 2026-07-06
ID (for dev) 3855f319-51a3-4b7b-8ccd-ebc2c8a3d655
Status finished
Triaged OK [Log] [Trajectory]
Execution Log [Link]
Test Base Patched Verdict
[KASAN] Build Base 8cd9520d35a6c38db6567e97dd93b1f11f185dc6 [Config] passed [Log]
[KASAN] Boot test: Base 8cd9520d35a6c38db6567e97dd93b1f11f185dc6 [Config] passed [Log]
[KASAN] Build Patched 8cd9520d35a6c38db6567e97dd93b1f11f185dc6 [Config] [patched] passed [Log]
[KASAN] Boot test: Patched 8cd9520d35a6c38db6567e97dd93b1f11f185dc6 [Config] [patched] passed [Log]
[KASAN] Fuzz 8cd9520d35a6c38db6567e97dd93b1f11f185dc6 [Config] 8cd9520d35a6c38db6567e97dd93b1f11f185dc6 [Config] [patched] passed [Log] [Artifacts]
WARNING: suspicious RCU usage in gfn_to_memslot [Log] [Syz Repro]