Hay
Date
May 29, 2025, 7:10 a.m.

Environment
rk3399-rock-pi-4b
x86

mm_run_vmtests_sh_guard-regions_guard_regions_anon_basic pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_multi_vma pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_process_madvise pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_munmap pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_mprotect pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_split_merge pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_dontneed pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_mlock pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_mremap_move pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_mremap_expand pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_mremap_shrink pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_fork pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_fork_cow pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_fork_wipeonfork pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_lazyfree pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_populate pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_cold_pageout pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_uffd pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_madvise_sequential_MADV_SEQUENTIAL_meaningful_only_for_file-backed skip
mm_run_vmtests_sh_guard-regions_guard_regions_anon_map_private_MAP_PRIVATE_test_specific_to_file-backed skip
mm_run_vmtests_sh_guard-regions_guard_regions_anon_readonly_file_Read-only_test_specific_to_file-backed skip
mm_run_vmtests_sh_guard-regions_guard_regions_anon_fault_around_Fault-around_test_specific_to_file-backed skip
mm_run_vmtests_sh_guard-regions_guard_regions_anon_truncation_Truncation_test_specific_to_file-backed skip
mm_run_vmtests_sh_guard-regions_guard_regions_anon_hole_punch_Truncation_test_specific_to_file-backed skip
mm_run_vmtests_sh_guard-regions_guard_regions_anon_memfd_write_seal_memfd_write_seal_test_specific_to_shmem skip
mm_run_vmtests_sh_guard-regions_guard_regions_anon_anon_zeropage pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_pagemap pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_pagemap_scan pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_basic pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_multi_vma pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_process_madvise pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_munmap pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_mprotect pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_split_merge pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_dontneed pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_mlock pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_mremap_move pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_mremap_expand pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_mremap_shrink pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_fork pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_fork_cow_CoW_only_supported_on_anon_mappings skip
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_fork_wipeonfork_Wipe_on_fork_only_supported_on_anon_mappings skip
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_lazyfree_MADV_FREE_only_supported_on_anon_mappings skip
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_populate pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_cold_pageout pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_uffd pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_madvise_sequential pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_map_private pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_readonly_file_Read-only_test_specific_to_file-backed skip
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_fault_around pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_truncation pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_hole_punch pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_memfd_write_seal pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_anon_zeropage pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_pagemap pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_pagemap_scan pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_basic pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_multi_vma pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_process_madvise pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_munmap pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_mprotect pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_split_merge pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_dontneed pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_mlock pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_mremap_move pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_mremap_expand pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_mremap_shrink pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_fork pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_fork_cow_CoW_only_supported_on_anon_mappings skip
mm_run_vmtests_sh_guard-regions_guard_regions_file_fork_wipeonfork_Wipe_on_fork_only_supported_on_anon_mappings skip
mm_run_vmtests_sh_guard-regions_guard_regions_file_lazyfree_MADV_FREE_only_supported_on_anon_mappings skip
mm_run_vmtests_sh_guard-regions_guard_regions_file_populate pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_cold_pageout pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_uffd_uffd_only_works_on_anon_backing skip
mm_run_vmtests_sh_guard-regions_guard_regions_file_madvise_sequential pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_map_private pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_readonly_file pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_fault_around pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_truncation pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_hole_punch fail
mm_run_vmtests_sh_guard-regions_guard_regions_file_memfd_write_seal_memfd_write_seal_test_specific_to_shmem skip
mm_run_vmtests_sh_guard-regions_guard_regions_file_anon_zeropage_anon_zero_page_test_specific_to_anon_shmem skip
mm_run_vmtests_sh_guard-regions_guard_regions_file_pagemap pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_pagemap_scan pass
mm_run_vmtests_sh_guard-regions fail

ok 2 MADV_POPULATE_WRITE with PROT_READ
mm_run_vmtests_sh_guard-regions_guard_regions_anon_basic pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_multi_vma pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_process_madvise pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_munmap pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_mprotect pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_split_merge pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_dontneed pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_mlock pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_mremap_move pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_mremap_expand pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_mremap_shrink pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_fork pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_fork_cow pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_fork_wipeonfork pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_lazyfree pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_populate pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_cold_pageout pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_uffd pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_madvise_sequential_MADV_SEQUENTIAL_meaningful_only_for_file-backed skip
mm_run_vmtests_sh_guard-regions_guard_regions_anon_map_private_MAP_PRIVATE_test_specific_to_file-backed skip
mm_run_vmtests_sh_guard-regions_guard_regions_anon_readonly_file_Read-only_test_specific_to_file-backed skip
mm_run_vmtests_sh_guard-regions_guard_regions_anon_fault_around_Fault-around_test_specific_to_file-backed skip
mm_run_vmtests_sh_guard-regions_guard_regions_anon_truncation_Truncation_test_specific_to_file-backed skip
mm_run_vmtests_sh_guard-regions_guard_regions_anon_hole_punch_Truncation_test_specific_to_file-backed skip
mm_run_vmtests_sh_guard-regions_guard_regions_anon_memfd_write_seal_memfd_write_seal_test_specific_to_shmem skip
mm_run_vmtests_sh_guard-regions_guard_regions_anon_anon_zeropage pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_pagemap pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_pagemap_scan pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_basic pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_multi_vma pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_process_madvise pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_munmap pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_mprotect pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_split_merge pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_dontneed pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_mlock pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_mremap_move pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_mremap_expand pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_mremap_shrink pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_fork pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_fork_cow_CoW_only_supported_on_anon_mappings skip
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_fork_wipeonfork_Wipe_on_fork_only_supported_on_anon_mappings skip
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_lazyfree_MADV_FREE_only_supported_on_anon_mappings skip
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_populate pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_cold_pageout pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_uffd pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_madvise_sequential pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_map_private pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_readonly_file_Read-only_test_specific_to_file-backed skip
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_fault_around pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_truncation pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_hole_punch pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_memfd_write_seal pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_anon_zeropage pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_pagemap pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_pagemap_scan pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_basic pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_multi_vma pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_process_madvise pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_munmap pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_mprotect pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_split_merge pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_dontneed pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_mlock pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_mremap_move pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_mremap_expand pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_mremap_shrink pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_fork pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_fork_cow_CoW_only_supported_on_anon_mappings skip
mm_run_vmtests_sh_guard-regions_guard_regions_file_fork_wipeonfork_Wipe_on_fork_only_supported_on_anon_mappings skip
mm_run_vmtests_sh_guard-regions_guard_regions_file_lazyfree_MADV_FREE_only_supported_on_anon_mappings skip
mm_run_vmtests_sh_guard-regions_guard_regions_file_populate pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_cold_pageout pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_uffd_uffd_only_works_on_anon_backing skip
mm_run_vmtests_sh_guard-regions_guard_regions_file_madvise_sequential pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_map_private pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_readonly_file pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_fault_around pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_truncation pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_hole_punch fail
mm_run_vmtests_sh_guard-regions_guard_regions_file_memfd_write_seal_memfd_write_seal_test_specific_to_shmem skip
mm_run_vmtests_sh_guard-regions_guard_regions_file_anon_zeropage_anon_zero_page_test_specific_to_anon_shmem skip
mm_run_vmtests_sh_guard-regions_guard_regions_file_pagemap pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_pagemap_scan pass
mm_run_vmtests_sh_guard-regions fail


exit=1----------[  235.353327] <LAVA_SIGNAL_ENDTC mm_run_vmtests_sh_guard-regions>
-------------
running ./madv_populate
-----------------------
TAP version 13
1..21
mm_run_vmtests_sh_guard-regions_guard_regions_anon_basic pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_multi_vma pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_process_madvise pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_munmap pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_mprotect pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_split_merge pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_dontneed pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_mlock pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_mremap_move pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_mremap_expand pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_mremap_shrink pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_fork pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_fork_cow pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_fork_wipeonfork pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_lazyfree pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_populate pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_cold_pageout pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_uffd pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_madvise_sequential_MADV_SEQUENTIAL_meaningful_only_for_file-backed skip
mm_run_vmtests_sh_guard-regions_guard_regions_anon_map_private_MAP_PRIVATE_test_specific_to_file-backed skip
mm_run_vmtests_sh_guard-regions_guard_regions_anon_readonly_file_Read-only_test_specific_to_file-backed skip
mm_run_vmtests_sh_guard-regions_guard_regions_anon_fault_around_Fault-around_test_specific_to_file-backed skip
mm_run_vmtests_sh_guard-regions_guard_regions_anon_truncation_Truncation_test_specific_to_file-backed skip
mm_run_vmtests_sh_guard-regions_guard_regions_anon_hole_punch_Truncation_test_specific_to_file-backed skip
mm_run_vmtests_sh_guard-regions_guard_regions_anon_memfd_write_seal_memfd_write_seal_test_specific_to_shmem skip
mm_run_vmtests_sh_guard-regions_guard_regions_anon_anon_zeropage pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_pagemap pass
mm_run_vmtests_sh_guard-regions_guard_regions_anon_pagemap_scan pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_basic pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_multi_vma pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_process_madvise pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_munmap pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_mprotect pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_split_merge pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_dontneed pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_mlock pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_mremap_move pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_mremap_expand pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_mremap_shrink pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_fork pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_fork_cow_CoW_only_supported_on_anon_mappings skip
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_fork_wipeonfork_Wipe_on_fork_only_supported_on_anon_mappings skip
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_lazyfree_MADV_FREE_only_supported_on_anon_mappings skip
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_populate pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_cold_pageout pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_uffd pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_madvise_sequential pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_map_private pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_readonly_file_Read-only_test_specific_to_file-backed skip
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_fault_around pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_truncation pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_hole_punch pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_memfd_write_seal pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_anon_zeropage pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_pagemap pass
mm_run_vmtests_sh_guard-regions_guard_regions_shmem_pagemap_scan pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_basic pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_multi_vma pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_process_madvise pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_munmap pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_mprotect pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_split_merge pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_dontneed pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_mlock pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_mremap_move pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_mremap_expand pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_mremap_shrink pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_fork pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_fork_cow_CoW_only_supported_on_anon_mappings skip
mm_run_vmtests_sh_guard-regions_guard_regions_file_fork_wipeonfork_Wipe_on_fork_only_supported_on_anon_mappings skip
mm_run_vmtests_sh_guard-regions_guard_regions_file_lazyfree_MADV_FREE_only_supported_on_anon_mappings skip
mm_run_vmtests_sh_guard-regions_guard_regions_file_populate pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_cold_pageout pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_uffd_uffd_only_works_on_anon_backing skip
mm_run_vmtests_sh_guard-regions_guard_regions_file_madvise_sequential pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_map_private pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_readonly_file pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_fault_around pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_truncation pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_hole_punch fail
mm_run_vmtests_sh_guard-regions_guard_regions_file_memfd_write_seal_memfd_write_seal_test_specific_to_shmem skip
mm_run_vmtests_sh_guard-regions_guard_regions_file_anon_zeropage_anon_zero_page_test_specific_to_anon_shmem skip
mm_run_vmtests_sh_guard-regions_guard_regions_file_pagemap pass
mm_run_vmtests_sh_guard-regions_guard_regions_file_pagemap_scan pass
mm_run_vmtests_sh_guard-regions fail