Syzbot CI

Subject	KVM: Harden kvm_vcpu_map() usage against memory leaks
Author	seanjc@google.com
Date	2026-07-24 00:47:52 +0000 UTC
Version
Cc	kvm@vger.kernel.org linux-kernel@vger.kernel.org linuxppc-dev@lists.ozlabs.org maddy@linux.ibm.com npiggin@gmail.com pbonzini@redhat.com seanjc@google.com yosry@kernel.org

Subject

Author

seanjc@google.com

Date

2026-07-24 00:47:52 +0000 UTC

Version

kvm@vger.kernel.org linux-kernel@vger.kernel.org linuxppc-dev@lists.ozlabs.org maddy@linux.ibm.com npiggin@gmail.com pbonzini@redhat.com seanjc@google.com yosry@kernel.org

Name	Content [All]
[PATCH 1/6] KVM: nVMX: Ensure KVM_REQ_GET_NESTED_STATE_PAGES is cleared on VM-Exit	[Body]
[PATCH 2/6] KVM: nSVM: Add CLASS()es for automagically handling local kvm_vcpu_map() usage	[Body]
[PATCH 3/6] KVM: nSVM: Use CLASS(kvm_vcpu_map_local) for SMM VMCB mappings	[Body]
[PATCH 4/6] KVM: nVMX: Use CLASS(kvm_vcpu_map_local_readonly) for MSR bitmap merging	[Body]
[PATCH 5/6] KVM: PPC: Use CLASS(kvm_vcpu_map_local_readonly) for patching dcbz	[Body]
[PATCH 6/6] KVM: Harden kvm_vcpu_map() against double-mapping and thus leaking references	[Body]

Name

Content [All]

Passed

Test	Base	Patched	Verdict
[KASAN] Build Base	6bc96b971766fbbbbdd9fb2642cedacaf02da957 [Config]		passed [Log]
[KASAN] Boot test: Base	6bc96b971766fbbbbdd9fb2642cedacaf02da957 [Config]		passed [Log]
[KASAN] Build Patched		6bc96b971766fbbbbdd9fb2642cedacaf02da957 [Config] [patched]	passed [Log]
[KASAN] Boot test: Patched		6bc96b971766fbbbbdd9fb2642cedacaf02da957 [Config] [patched]	passed [Log]
[KASAN] Fuzz	6bc96b971766fbbbbdd9fb2642cedacaf02da957 [Config]	6bc96b971766fbbbbdd9fb2642cedacaf02da957 [Config] [patched]	passed [Log] [Artifacts]