Commit 06e5da81 authored by Janis Schoetterl-Glausch's avatar Janis Schoetterl-Glausch Committed by Janosch Frank
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KVM: s390: selftest: memop: Add bad address test 



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: default avatarJanis Schoetterl-Glausch <scgl@linux.ibm.com>
Reviewed-by: default avatarNico Boehr <nrb@linux.ibm.com>
Reviewed-by: default avatarJanosch Frank <frankja@linux.ibm.com>
Link: https://lore.kernel.org/r/20230206164602.138068-5-scgl@linux.ibm.com


Message-Id: <20230206164602.138068-5-scgl@linux.ibm.com>
Signed-off-by: default avatarJanosch Frank <frankja@linux.ibm.com>
parent de14e014

tools/testing/selftests/kvm/s390x/memop.c

+3 −1
Original line number Diff line number Diff line
@@ -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));