| Message ID | 20241024095956.3668818-1-roypat@amazon.co.uk |
|---|---|
| State | New |
| Headers | show |
| Series | kvm: selftest: fix noop test in guest_memfd_test.c | expand |
On Thu, 24 Oct 2024 10:59:53 +0100, Patrick Roy wrote: > The loop in test_create_guest_memfd_invalid that is supposed to test > that nothing is accepted as a valid flag to KVM_CREATE_GUEST_MEMFD was > initializing `flag` as 0 instead of BIT(0). This caused the loop to > immediately exit instead of iterating over BIT(0), BIT(1), ... . Applied to kvm-x86 fixes, thanks! [1/1] kvm: selftest: fix noop test in guest_memfd_test.c https://github.com/kvm-x86/linux/commit/fd5b88cc7fbf -- https://github.com/kvm-x86/linux/tree/next
On Thu, Oct 31, 2024, Sean Christopherson wrote: > On Thu, 24 Oct 2024 10:59:53 +0100, Patrick Roy wrote: > > The loop in test_create_guest_memfd_invalid that is supposed to test > > that nothing is accepted as a valid flag to KVM_CREATE_GUEST_MEMFD was > > initializing `flag` as 0 instead of BIT(0). This caused the loop to > > immediately exit instead of iterating over BIT(0), BIT(1), ... . > > Applied to kvm-x86 fixes, thanks! > > [1/1] kvm: selftest: fix noop test in guest_memfd_test.c > https://github.com/kvm-x86/linux/commit/fd5b88cc7fbf FYI, I rebased "fixes" onto 6.12-rc5 to avoid several pointless conflicts in other patches. New hash: [1/1] KVM: selftests: fix unintentional noop test in guest_memfd_test.c https://github.com/kvm-x86/linux/commit/945bdae20be5
diff --git a/tools/testing/selftests/kvm/guest_memfd_test.c b/tools/testing/selftests/kvm/guest_memfd_test.c index ba0c8e9960358..ce687f8d248fc 100644 --- a/tools/testing/selftests/kvm/guest_memfd_test.c +++ b/tools/testing/selftests/kvm/guest_memfd_test.c @@ -134,7 +134,7 @@ static void test_create_guest_memfd_invalid(struct kvm_vm *vm) size); } - for (flag = 0; flag; flag <<= 1) { + for (flag = BIT(0); flag; flag <<= 1) { fd = __vm_create_guest_memfd(vm, page_size, flag); TEST_ASSERT(fd == -1 && errno == EINVAL, "guest_memfd() with flag '0x%lx' should fail with EINVAL",
The loop in test_create_guest_memfd_invalid that is supposed to test that nothing is accepted as a valid flag to KVM_CREATE_GUEST_MEMFD was initializing `flag` as 0 instead of BIT(0). This caused the loop to immediately exit instead of iterating over BIT(0), BIT(1), ... . Fixes: 8a89efd43423 ("KVM: selftests: Add basic selftest for guest_memfd()") Signed-off-by: Patrick Roy <roypat@amazon.co.uk> --- tools/testing/selftests/kvm/guest_memfd_test.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)