# # requires: arch=arm64 -threaded # r0 = openat$kvm(0, &AUTO='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, AUTO, 0x0) r2 = syz_kvm_setup_syzos_vm$arm64(r1, &(0x7f0000c00000/0x400000)=nil) r3 = syz_kvm_add_vcpu$arm64(r2, &AUTO={0x0, &AUTO=[@irq_setup={AUTO, AUTO, {0x1, 0x20}}], AUTO}, 0x0, 0x0) # # Implementing syz_kvm_vgic_v3_setup(r1, 0x1, 0x100) using raw ioctls: # ioctl$KVM_CREATE_DEVICE(r1, AUTO, &AUTO={0x7, 0xffffffffffffffff, 0x0}) ioctl$KVM_SET_DEVICE_ATTR(r4, AUTO, &AUTO=@attr_arm64={0x0, 0x3, 0x0, &AUTO=0x100}) ioctl$KVM_SET_DEVICE_ATTR(r4, AUTO, &AUTO=@attr_arm64={0x0, 0x0, 0x2, &AUTO=0x08000000}) ioctl$KVM_SET_DEVICE_ATTR(r4, AUTO, &AUTO=@attr_arm64={0x0, 0x0, 0x5, &AUTO=0x400000080a0000}) ioctl$KVM_SET_DEVICE_ATTR(r4, AUTO, &AUTO=@attr_arm64={0x0, 0x4, 0x0, 0x0}) # # Map struct kvm_run for the VCPU. # r5 = ioctl$KVM_GET_VCPU_MMAP_SIZE(r0, AUTO) r6 = mmap$KVM_VCPU(&(0x7f0000009000/0x1000)=nil, r5, 0x3, 0x1, r3, 0x0) ioctl$KVM_RUN(r3, AUTO, 0x0) syz_kvm_assert_syzos_uexit$arm64(r3, r6, 0xffffffffffffffff) # # Calling KVM_RUN here again would result in infinite loop. # Instead, signal SPI 32 (0x1000020), so that the guest can execute another uexit in the IRQ handler. # ioctl$KVM_IRQ_LINE(r1, AUTO, &AUTO={0x1000020, 0x1}) ioctl$KVM_RUN(r3, AUTO, 0x0) syz_kvm_assert_syzos_uexit$arm64(r3, r6, 0xfffffffffffffffe)