Patch Series

Subject	KVM: SVM: Fix exit_code bugs
Author	seanjc@google.com
Date	2025-12-30 21:13:40 +0000 UTC
Version	2
Cc	decui@microsoft.com haiyangz@microsoft.com jmattson@google.com kvm@vger.kernel.org kys@microsoft.com linux-hyperv@vger.kernel.org linux-kernel@vger.kernel.org longli@microsoft.com pbonzini@redhat.com seanjc@google.com vkuznets@redhat.com wei.liu@kernel.org yosry.ahmed@linux.dev

Patches (8)

Name	Content [All]
[PATCH v2 1/8] KVM: SVM: Add a helper to detect VMRUN failures	[Body]
[PATCH v2 2/8] KVM: SVM: Open code handling of unexpected exits in svm_invoke_exit_handler()	[Body]
[PATCH v2 3/8] KVM: SVM: Check for an unexpected VM-Exit after RETPOLINE "fast" handling	[Body]
[PATCH v2 4/8] KVM: SVM: Filter out 64-bit exit codes when invoking exit handlers on bare metal	[Body]
[PATCH v2 5/8] KVM: SVM: Treat exit_code as an unsigned 64-bit value through all of KVM	[Body]
[PATCH v2 6/8] KVM: SVM: Limit incorrect check on SVM_EXIT_ERR to running as a VM	[Body]
[PATCH v2 7/8] KVM: SVM: Harden exit_code against being used in Spectre-like attacks	[Body]
[PATCH v2 8/8] KVM: SVM: Assert that Hyper-V's HV_SVM_EXITCODE_ENL == SVM_EXIT_SW	[Body]

Session 2025-12-30

ID (for dev)	24157ae3-1286-4746-9a28-87389fa93735
Status	finished
Triaged	OK [Log]
Execution Log	[Link]

Test	Base	Patched	Verdict
[KASAN] Build Base	0499add8efd72456514c6218c062911ccc922a99 [Config]		passed [Log]
[KASAN] Boot test: Base	0499add8efd72456514c6218c062911ccc922a99 [Config]		passed [Log]
[KASAN] Build Patched		0499add8efd72456514c6218c062911ccc922a99 [Config] [patched]	passed [Log]
[KASAN] Boot test: Patched		0499add8efd72456514c6218c062911ccc922a99 [Config] [patched]	passed [Log]
[KASAN] Fuzzing	0499add8efd72456514c6218c062911ccc922a99 [Config]	0499add8efd72456514c6218c062911ccc922a99 [Config] [patched]	passed [Log] [Artifacts]