Re: [PATCH v4 05/13] KVM: selftests: Add missing close and munmap in __vm_mem_region_delete

[Andrew Jones <andrew.jones@xxxxxxxxx>]

On Fri, Jun 24, 2022 at 02:32:49PM -0700, Ricardo Koller wrote:
> Deleting a memslot (when freeing a VM) is not closing the backing fd,
> nor it's unmapping the alias mapping. Fix by adding the missing close
> and munmap.
> 
> Reviewed-by: Oliver Upton <oupton@xxxxxxxxxx>
> Reviewed-by: Ben Gardon <bgardon@xxxxxxxxxx>
> Signed-off-by: Ricardo Koller <ricarkol@xxxxxxxxxx>
> ---
>  tools/testing/selftests/kvm/lib/kvm_util.c | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c
> index 5ee20d4da222..3e45e3776bdf 100644
> --- a/tools/testing/selftests/kvm/lib/kvm_util.c
> +++ b/tools/testing/selftests/kvm/lib/kvm_util.c
> @@ -531,6 +531,12 @@ static void __vm_mem_region_delete(struct kvm_vm *vm,
>  	sparsebit_free(&region->unused_phy_pages);
>  	ret = munmap(region->mmap_start, region->mmap_size);
>  	TEST_ASSERT(!ret, __KVM_SYSCALL_ERROR("munmap()", ret));
> +	if (region->fd >= 0) {
> +		/* There's an extra map when using shared memory. */
> +		ret = munmap(region->mmap_alias, region->mmap_size);
> +		TEST_ASSERT(!ret, __KVM_SYSCALL_ERROR("munmap()", ret));
> +		close(region->fd);
> +	}
>  
>  	free(region);
>  }
> -- 
> 2.37.0.rc0.161.g10f37bed90-goog
>

Reviewed-by: Andrew Jones <andrew.jones@xxxxxxxxx>