Re: [Xen-devel] [PATCH V2] x86/monitor: Fixed CID 1412966: Memory - corruptions (OVERRUN)

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 21.06.17 at 16:56, <rcojocaru@xxxxxxxxxxxxxxx> wrote:
> --- a/xen/arch/x86/monitor.c
> +++ b/xen/arch/x86/monitor.c
> @@ -133,7 +133,8 @@ int arch_monitor_domctl_event(struct domain *d,
>          bool_t old_status;
>  
>          /* sanity check: avoid left-shift undefined behavior */
> -        if ( unlikely(mop->u.mov_to_cr.index > 31) )
> +        if ( unlikely(mop->u.mov_to_cr.index >=
> +             ARRAY_SIZE(ad->monitor.write_ctrlreg_mask)) )

Indentation.

Jan


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