05-Oct-2026 19:23:10: attempting to use the base commit 6bd2905303c58679e303941b7d8ae8c074cd95ce provided by author 05-Oct-2026 19:23:11: continuing with 6bd2905303c58679e303941b7d8ae8c074cd95ce in kvm-x86 05-Oct-2026 19:23:11: checking out "6bd2905303c58679e303941b7d8ae8c074cd95ce" in "kvm-x86" 05-Oct-2026 19:23:11: applying 1 patches 05-Oct-2026 19:23:34: starting AI patch evaluation... 05-Oct-2026 19:27:10: AI verdict: WorthFuzzing=true (Reason: The patch modifies the KVM MMU guest page table walker template for EPT (Extended Page Tables) by adding a range check on the guest physical address against the maximum address width supported by the EPT level (48-bit for 4-level and 57-bit for 5-level). Out-of-bounds addresses now fail the walk immediately as hardware does, preventing the creation of aliased shadow mappings. This modifies reachable logic in KVM nested virtualization (nested VMX / EPT) on x86_64, which is actively exercised by syzkaller via /dev/kvm ioctls.)