Project Number Date
test_Tails_ISO_feature-arti 36 21 Apr 2025, 16:31

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 11:24.912 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
26.130
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 8.911
And I prepare Tails for memory erasure tests 0.531
When I start a process allocating 128 MiB of memory with a known pattern 2.383
Then patterns cover at least 128 MiB in the guest's memory 4.886 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.651
Then I find very few patterns in the guest's memory after 5 seconds 8.764 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:330 0.707
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.699
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 9.434
And I prepare Tails for memory erasure tests 0.630
And I find very few patterns in the guest's memory 3.898 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.876
Then patterns cover at least 99% of the test FS size in the guest's memory 3.962 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.061
Then I find very few patterns in the guest's memory after 3 seconds 6.835 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 0.704
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.874
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 8.379
And I prepare Tails for memory erasure tests 0.423
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.132
Then I find very few patterns in the guest's memory 3.678 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.322
Then patterns cover at least 75% of the test FS size in the guest's memory 4.231 
Pattern coverage: 93.345% (119 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.097
Then I find very few patterns in the guest's memory after 3 seconds 6.738 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# read cache
When I mount the USB drive again 0.260
And I read the content of the test FS 0.742
Then patterns cover at least 99% of the test FS size in the guest's memory 4.005 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.406
Then I find very few patterns in the guest's memory after 3 seconds 6.456 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 0.867
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:15.456
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 8.273
And I prepare Tails for memory erasure tests 0.612
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.655
Then I find very few patterns in the guest's memory 3.351 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.726
Then patterns cover at least 99% of the test FS size in the guest's memory 3.622 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.869
Then I find very few patterns in the guest's memory after 3 seconds 6.130 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
# read cache
When I mount the USB drive again 4.522
And I read the content of the test FS 0.447
Then patterns cover at least 99% of the test FS size in the guest's memory 3.437 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.724
Then I find very few patterns in the guest's memory after 3 seconds 6.084 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:330 1.313
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.098
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 8.475
And I prepare Tails for memory erasure tests 0.430
When I fill a 128 MiB file with a known pattern on the root filesystem 17.657
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.470
Then patterns cover at least 128 MiB in the guest's memory 3.166 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 20.880 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
After features/support/hooks.rb:330 3.524
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:32.653
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:49.484
And I prepare Tails for memory erasure tests 0.460
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.412
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.277 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:330 3.478
After features/support/hooks.rb:100 0.014