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SubjectRe: [PATCH v7 04/14] KVM: s390: selftest: memop: Add bad address test
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On 2/6/23 17:45, Janis Schoetterl-Glausch wrote:
> Add a test that tries a real write to a bad address.
> The existing CHECK_ONLY test doesn't cover all paths.
>
> Signed-off-by: Janis Schoetterl-Glausch <scgl@linux.ibm.com>
> Reviewed-by: Nico Boehr <nrb@linux.ibm.com>

Reviewed-by: Janosch Frank <frankja@linux.ibm.com>

> ---
> tools/testing/selftests/kvm/s390x/memop.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/tools/testing/selftests/kvm/s390x/memop.c b/tools/testing/selftests/kvm/s390x/memop.c
> index bbc191a13760..00737cceacda 100644
> --- a/tools/testing/selftests/kvm/s390x/memop.c
> +++ b/tools/testing/selftests/kvm/s390x/memop.c
> @@ -641,7 +641,9 @@ static void _test_errors_common(struct test_info info, enum mop_target target, i
>
> /* Bad guest address: */
> rv = ERR_MOP(info, target, WRITE, mem1, size, GADDR((void *)~0xfffUL), CHECK_ONLY);
> - TEST_ASSERT(rv > 0, "ioctl does not report bad guest memory access");
> + TEST_ASSERT(rv > 0, "ioctl does not report bad guest memory address with CHECK_ONLY");
> + rv = ERR_MOP(info, target, WRITE, mem1, size, GADDR((void *)~0xfffUL));
> + TEST_ASSERT(rv > 0, "ioctl does not report bad guest memory address on write");
>
> /* Bad host address: */
> rv = ERR_MOP(info, target, WRITE, 0, size, GADDR_V(mem1));

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