Project Number Date
test_Tails_ISO_21027-fix-interactive-debugging-context 13 28 Jun 2025, 21:16

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 51 0 0 0 0 51 6 0 6 20:43.542 Passed
Tags: @product @slow @not_release_blocker
Feature System memory erasure on shutdown
As a Tails user when I shutdown Tails I want the system memory to be free from sensitive data.
Tags: @product @slow @not_release_blocker
36.669
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.748
And I prepare Tails for memory erasure tests 0.519
When I start a process allocating 128 MiB of memory with a known pattern 1.950
Then patterns cover at least 128 MiB in the guest's memory 11.023 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.384
Then I find very few patterns in the guest's memory after 5 seconds 13.044 
Pattern coverage: 0.000% (0 MiB out of 865 MiB reference memory)
After features/support/hooks.rb:330 1.523
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
30.917
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.006
Given I have started Tails from DVD without network and logged in 9.094
And I prepare Tails for memory erasure tests 0.595
And I find very few patterns in the guest's memory 7.095 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.946
Then patterns cover at least 99% of the test FS size in the guest's memory 4.581 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.308
Then I find very few patterns in the guest's memory after 3 seconds 6.295 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
After features/support/hooks.rb:330 1.860
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:10.076
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.061
Given I have started Tails from DVD without network and logged in 12.741
And I prepare Tails for memory erasure tests 0.479
When I plug and mount a 128 MiB USB drive with a vfat filesystem 16.847
Then I find very few patterns in the guest's memory 2.707 
Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.839
Then patterns cover at least 75% of the test FS size in the guest's memory 9.671 
Pattern coverage: 87.262% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.297
Then I find very few patterns in the guest's memory after 3 seconds 5.734 
Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)
# read cache
When I mount the USB drive again 0.297
And I read the content of the test FS 0.531
Then patterns cover at least 99% of the test FS size in the guest's memory 3.493 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.610
Then I find very few patterns in the guest's memory after 3 seconds 12.824 
Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)
After features/support/hooks.rb:330 0.893
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:55.590
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 9.122
And I prepare Tails for memory erasure tests 3.918
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 53.908
Then I find very few patterns in the guest's memory 7.807 
Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.887
Then patterns cover at least 99% of the test FS size in the guest's memory 3.452 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.478
Then I find very few patterns in the guest's memory after 3 seconds 11.452 
Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)
# read cache
When I mount the USB drive again 6.615
And I read the content of the test FS 0.467
Then patterns cover at least 99% of the test FS size in the guest's memory 2.990 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.588
Then I find very few patterns in the guest's memory after 3 seconds 10.901 
Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)
After features/support/hooks.rb:330 2.109
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:1.010
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 9.151
And I prepare Tails for memory erasure tests 0.603
When I fill a 128 MiB file with a known pattern on the root filesystem 21.577
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.740
Then patterns cover at least 128 MiB in the guest's memory 4.871 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.075
Then I find very few patterns in the guest's memory after 20 seconds 20.990 
Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)
After features/support/hooks.rb:330 3.486
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
15:29.277
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 14:39.417
And I prepare Tails for memory erasure tests 0.415
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.928
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 24.497 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:330 4.382
After features/support/hooks.rb:100 0.031