Re: [PATCH 5/7] KVM: x86: avoid vmalloc(0) in the KVM_SET_CPUID

[Wanpeng Li]

2016-06-01 20:09 GMT+08:00 Paolo Bonzini <pbonzini@xxxxxxxxxx>:
> This causes an ugly dmesg splat.  Beautified syzkaller testcase:
>
>     #include <unistd.h>
>     #include <sys/syscall.h>
>     #include <sys/ioctl.h>
>     #include <fcntl.h>
>     #include <linux/kvm.h>
>
>     long r[8];
>
>     int main()
>     {
>         struct kvm_irq_routing ir = { 0 };
>         r[2] = open("/dev/kvm", O_RDWR);
>         r[3] = ioctl(r[2], KVM_CREATE_VM, 0);
>         r[4] = ioctl(r[3], KVM_SET_GSI_ROUTING, &ir);
>         return 0;
>     }
>

The patch subject is not correct.

Regards,
Wanpeng Li