====== Cleaning ======
../../../scripts/Makefile.include:4: *** O=build_tools/ does not exist.  Stop.
make[1]: *** nsfs: No such file or directory.  Stop.
 ====== Baseline building the tree ======
In file included from iommufd.c:12:
In function ‘_test_ioctl_ioas_map_file’,
    inlined from ‘iommufd_mock_domain_all_aligns’ at iommufd.c:1772:5,
    inlined from ‘wrapper_iommufd_mock_domain_all_aligns’ at iommufd.c:1740:1:
iommufd_utils.h:675:36: warning: ‘mfd’ may be used uninitialized [-Wmaybe-uninitialized]
  675 |         struct iommu_ioas_map_file cmd = {
      |                                    ^~~
iommufd.c: In function ‘wrapper_iommufd_mock_domain_all_aligns’:
iommufd.c:1749:13: note: ‘mfd’ was declared here
 1749 |         int mfd;
      |             ^~~
In function ‘_test_ioctl_ioas_map_file’,
    inlined from ‘iommufd_mock_domain_all_aligns_copy’ at iommufd.c:1826:5,
    inlined from ‘wrapper_iommufd_mock_domain_all_aligns_copy’ at iommufd.c:1792:1:
iommufd_utils.h:675:36: warning: ‘mfd’ may be used uninitialized [-Wmaybe-uninitialized]
  675 |         struct iommu_ioas_map_file cmd = {
      |                                    ^~~
iommufd.c: In function ‘wrapper_iommufd_mock_domain_all_aligns_copy’:
iommufd.c:1801:13: note: ‘mfd’ was declared here
 1801 |         int mfd;
      |             ^~~
In file included from iommufd_utils.h:11:
In function ‘_test_cmd_get_hw_info’,
    inlined from ‘iommufd_ioas_get_hw_info’ at iommufd.c:779:3,
    inlined from ‘wrapper_iommufd_ioas_get_hw_info’ at iommufd.c:752:1:
iommufd_utils.h:804:37: warning: array subscript ‘struct iommu_test_hw_info[0]’ is partly outside array bounds of ‘struct iommu_test_hw_info_buffer_smaller[1]’ [-Warray-bounds=]
  804 |                         assert(!info->flags);
      |                                 ~~~~^~~~~~~
iommufd.c: In function ‘wrapper_iommufd_ioas_get_hw_info’:
iommufd.c:761:11: note: object ‘buffer_smaller’ of size 4
  761 |         } buffer_smaller;
      |           ^~~~~~~~~~~~~~
make[1]: *** nsfs: No such file or directory.  Stop.
 ====== Building the tree before the patch ======
make[1]: *** nsfs: No such file or directory.  Stop.
 ====== Checking if tree is clean ======
?? arch/x86/Makefile.orig
?? arch/x86/Makefile.rej
 ====== Building the tree with the patch ======
make[1]: *** nsfs: No such file or directory.  Stop.
 ====== Checking if tree is clean ======
?? arch/x86/Makefile.orig
?? arch/x86/Makefile.rej