Syzbot CI

Subject	KVM: x86: Improve the handling of debug exceptions during instruction emulation
Author	houwenlong.hwl@antgroup.com
Date	2025-12-18 14:00:36 +0000 UTC
Version
Cc	bp@alien8.de dave.hansen@linux.intel.com houwenlong.hwl@antgroup.com hpa@zytor.com jiangshan.ljs@antgroup.com kvm@vger.kernel.org linux-kernel@vger.kernel.org linux-kselftest@vger.kernel.org mingo@redhat.com pbonzini@redhat.com seanjc@google.com shuah@kernel.org tglx@linutronix.de x86@kernel.org

Subject

Author

houwenlong.hwl@antgroup.com

Date

2025-12-18 14:00:36 +0000 UTC

Version

bp@alien8.de dave.hansen@linux.intel.com houwenlong.hwl@antgroup.com hpa@zytor.com jiangshan.ljs@antgroup.com kvm@vger.kernel.org linux-kernel@vger.kernel.org linux-kselftest@vger.kernel.org mingo@redhat.com pbonzini@redhat.com seanjc@google.com shuah@kernel.org tglx@linutronix.de x86@kernel.org

Name	Content [All]
[PATCH v2 1/9] KVM: x86: Capture "struct x86_exception" in inject_emulated_exception()	[Body]
[PATCH v2 2/9] KVM: x86: Set guest DR6 by kvm_queue_exception_p() in instruction emulation	[Body]
[PATCH v2 3/9] KVM: x86: Check guest debug in DR access instruction emulation	[Body]
[PATCH v2 4/9] KVM: x86: Only check effective code breakpoint in emulation	[Body]
[PATCH v2 5/9] KVM: x86: Consolidate KVM_GUESTDBG_SINGLESTEP check into the kvm_inject_emulated_db()	[Body]
[PATCH v2 6/9] KVM: x86: Move kvm_set_rflags() up before kvm_vcpu_do_singlestep()	[Body]
[PATCH v2 7/9] KVM: VMX: Refresh 'PENDING_DBG_EXCEPTIONS.BS' bit during instruction emulation	[Body]
[PATCH v2 8/9] KVM: selftests: Verify guest debug DR7.GD checking during instruction emulation	[Body]
[PATCH v2 9/9] KVM: selftests: Verify 'BS' bit checking in pending debug exception state during VM-Entry	[Body]

Name

Content [All]

Passed

Test	Base	Patched	Verdict
[KASAN] Build Base	e0c26d47def7382d7dbd9cad58bc653aed75737a [Config]		passed [Log]
[KASAN] Boot test: Base	e0c26d47def7382d7dbd9cad58bc653aed75737a [Config]		passed [Log]
[KASAN] Build Patched		e0c26d47def7382d7dbd9cad58bc653aed75737a [Config] [patched]	passed [Log]
[KASAN] Boot test: Patched		e0c26d47def7382d7dbd9cad58bc653aed75737a [Config] [patched]	passed [Log]
[KASAN] Fuzzing	e0c26d47def7382d7dbd9cad58bc653aed75737a [Config]	e0c26d47def7382d7dbd9cad58bc653aed75737a [Config] [patched]	passed [Log] [Artifacts]