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

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Wed, Jun 21, 2017 at 05:56:02PM +0300, Razvan Cojocaru wrote:
> Fixed an issue where the maximum index allowed (31) goes beyond the
> actual number of array elements (4) of ad->monitor.write_ctrlreg_mask.
> Coverity-ID: 1412966
> 
> Signed-off-by: Razvan Cojocaru <rcojocaru@xxxxxxxxxxxxxxx>
> 
> ---
> Changes since V1:
>  - Changed '3' to 'ARRAY_SIZE(...)'.
> ---
>  xen/arch/x86/monitor.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/xen/arch/x86/monitor.c b/xen/arch/x86/monitor.c
> index bedf13c..af68a79 100644
> --- 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 */

This comment should be deleted now.

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
https://lists.xen.org/xen-devel