Re: [PATCH v2 2/2] usb: usbtest: avoid integer overflow in test_ctrl_queue()

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On Mon, 9 Apr 2012, Xi Wang wrote:

> Avoid overflowing context.count = param->sglen * param->iterations,
> where both `sglen' and `iterations' are from userspace.
> 
> | test_ctrl_queue()
> | usbtest_ioctl()
> 
> Keep -EOPNOTSUPP for error code.
> 
> Signed-off-by: Xi Wang <xi.wang@xxxxxxxxx>
> Cc: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

Acked-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>

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