github.com/google/syzkaller@v0.0.0-20251211124644-a066d2bc4b02/sys/linux/test/syz_kvm_setup_cpu_arm64-memwrite (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$KVM_CREATE_VCPU(r1, AUTO, 0x0)
     7  r3 = ioctl$KVM_GET_VCPU_MMAP_SIZE(r0, AUTO)
     8  r4 = mmap$KVM_VCPU(&(0x7f0000009000/0x1000)=nil, r3, 0x3, 0x1, r2, 0x0)
     9  # Emulate a uexit with the memwrite API command: write 0 at address ARM64_ADDR_UEXIT.
    10  #
    11  syz_kvm_setup_cpu$arm64(r1, r2, &(0x7f0000e8a000/0x18000), &AUTO=[{0x0, &AUTO=[@memwrite={AUTO, AUTO, @generic={0xdddd0000, 0x100, 0x0, 0x8}}], AUTO}], 0x1, 0x0, 0x0, 0x0)
    12  # Run till uexit.
    13  #
    14  ioctl$KVM_RUN(r2, AUTO, 0x0)