github.com/google/syzkaller@v0.0.0-20251211124644-a066d2bc4b02/sys/linux/test/syz_kvm_setup_cpu_arm64-vgicv3 (about)

     1  #
     2  # requires: arch=arm64
     3  #
     4  r0 = openat$kvm(0, &AUTO='/dev/kvm\x00', 0x0, 0x0)
     5  r1 = ioctl$KVM_CREATE_VM(r0, AUTO, 0x0)
     6  r2 = ioctl$KVM_CREATE_VCPU(r1, AUTO, 0x0)
     7  #
     8  # syz_kvm_setup_cpu$arm64(r1, r2, &(0x7f0000e8a000/0x18000), &AUTO=[{0x0, &AUTO=[@code={AUTO, AUTO, {"1f2003d5", 0xd65f03c0}}], AUTO}], 0x1, 0x0, 0x0, 0x0)
     9  #
    10  syz_kvm_setup_cpu$arm64(r1, r2, &(0x7f0000e8a000/0x18000), &AUTO=[{0x0, &AUTO=[@irq_setup={AUTO, AUTO, {0x1, 0x20}}], AUTO}], 0x1, 0x0, 0x0, 0x0)
    11  syz_kvm_vgic_v3_setup(r1, 0x1, 0x100)
    12  ioctl$KVM_RUN(r2, AUTO, 0x0)
    13  #
    14  # Calling KVM_RUN here again would result in infinite loop.
    15  # Instead, signal SPI 32 (0x1000020), so that the guest can execute another uexit in the IRQ handler.
    16  #
    17  ioctl$KVM_IRQ_LINE(r1, AUTO, &AUTO={0x1000020, 0x1})
    18  ioctl$KVM_RUN(r2, AUTO, 0x0)