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KVM: s390: selftest: memop: Fix integer literal

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The address is a 64 bit value, specifying a 32 bit value can crash the
guest. In this case things worked out with -O2 but not -O0.

Signed-off-by: Janis Schoetterl-Glausch <scgl@linux.ibm.com>
Fixes: 1bb873495a9e ("KVM: s390: selftests: Add more copy memop tests")
Reviewed-by: Thomas Huth <thuth@redhat.com>
Link: https://lore.kernel.org/r/20230206164602.138068-8-scgl@linux.ibm.com
Message-Id: <20230206164602.138068-8-scgl@linux.ibm.com>
Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
This commit is contained in:
Janis Schoetterl-Glausch 2023-02-06 17:45:55 +01:00 committed by Janosch Frank
parent 12c12a9924
commit dc55ceaef6
1 changed files with 1 additions and 1 deletions
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2
tools/testing/selftests/kvm/s390x/memop.c
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@ -514,7 +514,7 @@ static void guest_copy_key_fetch_prot_override(void)
GUEST_SYNC(STAGE_INITED);
set_storage_key_range(0, PAGE_SIZE, 0x18);
set_storage_key_range((void *)last_page_addr, PAGE_SIZE, 0x0);
asm volatile ("sske %[key],%[addr]\n" :: [addr] "r"(0), [key] "r"(0x18) : "cc");
asm volatile ("sske %[key],%[addr]\n" :: [addr] "r"(0L), [key] "r"(0x18) : "cc");
GUEST_SYNC(STAGE_SKEYS_SET);
for (;;) {