linux-kernel - [PATCH v3 7/9] KVM: s390: selftest: memop: Add bad address test

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Date:   Thu, 17 Nov 2022 23:17:56 +0100
From:   Janis Schoetterl-Glausch <scgl@...ux.ibm.com>
To:     Christian Borntraeger <borntraeger@...ux.ibm.com>,
        Janosch Frank <frankja@...ux.ibm.com>,
        Claudio Imbrenda <imbrenda@...ux.ibm.com>,
        Heiko Carstens <hca@...ux.ibm.com>,
        Vasily Gorbik <gor@...ux.ibm.com>,
        Alexander Gordeev <agordeev@...ux.ibm.com>
Cc:     Janis Schoetterl-Glausch <scgl@...ux.ibm.com>,
        David Hildenbrand <david@...hat.com>,
        Jonathan Corbet <corbet@....net>, kvm@...r.kernel.org,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-kselftest@...r.kernel.org, linux-s390@...r.kernel.org,
        Paolo Bonzini <pbonzini@...hat.com>,
        Shuah Khan <shuah@...nel.org>,
        Sven Schnelle <svens@...ux.ibm.com>,
        Nico Boehr <nrb@...ux.ibm.com>
Subject: [PATCH v3 7/9] KVM: s390: selftest: memop: Add bad address test

Add test that tries to access, instead of CHECK_ONLY.

Signed-off-by: Janis Schoetterl-Glausch <scgl@...ux.ibm.com>
Reviewed-by: Nico Boehr <nrb@...ux.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 269b181731c8..13eeb50c036b 100644
--- a/tools/testing/selftests/kvm/s390x/memop.c
+++ b/tools/testing/selftests/kvm/s390x/memop.c
@@ -965,7 +965,9 @@ 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");
+	rv = ERR_MOP(info, target, WRITE, mem1, size, GADDR((void *)~0xfffUL));
+	TEST_ASSERT(rv > 0, "ioctl does not report bad guest memory address");
 
 	/* Bad host address: */
 	rv = ERR_MOP(info, target, WRITE, 0, size, GADDR_V(mem1));
-- 
2.34.1