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3fde641e72
In one case: memcpy(sid->inmsg + sid->inlen, buf, len); if len == 0 then sid->inmsg + sig->inlen can point to one past the inmsg array if the array is full. We have to allow len == 0 due to some vagueness in the spec, but we don't have to call memcpy. Found by Coverity. This is not a problem in practice, but the results are technically (maybe) undefined. So make Coverity happy. Reported-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Corey Minyard <cminyard@mvista.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org>