The loop marks vaddr as mapped after incrementing it by page size, thereby marking the *next* page as mapped. Set the bit in vpages_mapped first instead.

Fixes: 56fc7732031d ("KVM: selftests: Fill in vm->vpages_mapped bitmap in virt_map() too") Signed-off-by: Oliver Upton oliver.upton@linux.dev --- tools/testing/selftests/kvm/lib/kvm_util.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c index e9607eb089be..a256ec67aff6 100644 --- a/tools/testing/selftests/kvm/lib/kvm_util.c +++ b/tools/testing/selftests/kvm/lib/kvm_util.c @@ -1411,10 +1411,10 @@ void virt_map(struct kvm_vm *vm, uint64_t vaddr, uint64_t paddr,

while (npages--) { virt_pg_map(vm, vaddr, paddr); + sparsebit_set(vm->vpages_mapped, vaddr >> vm->page_shift); + vaddr += page_size; paddr += page_size; - - sparsebit_set(vm->vpages_mapped, vaddr >> vm->page_shift); } }