Project Number Date
test_Tails_ISO_feature-arti 87 10 Jun 2025, 19:31

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 13:30.523 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
30.393
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 9.249
And I prepare Tails for memory erasure tests 0.767
When I start a process allocating 128 MiB of memory with a known pattern 2.527
Then patterns cover at least 128 MiB in the guest's memory 4.799 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.893
Then I find very few patterns in the guest's memory after 5 seconds 12.156 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:330 1.196
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
31.640
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 10.760
And I prepare Tails for memory erasure tests 0.552
And I find very few patterns in the guest's memory 4.091 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.289
Then patterns cover at least 99% of the test FS size in the guest's memory 4.643 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.758
Then I find very few patterns in the guest's memory after 3 seconds 7.543 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:330 0.956
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:0.665
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 9.562
And I prepare Tails for memory erasure tests 0.710
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.668
Then I find very few patterns in the guest's memory 4.325 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.325
Then patterns cover at least 75% of the test FS size in the guest's memory 4.926 
Pattern coverage: 87.749% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.257
Then I find very few patterns in the guest's memory after 3 seconds 7.814 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# read cache
When I mount the USB drive again 0.566
And I read the content of the test FS 3.150
Then patterns cover at least 99% of the test FS size in the guest's memory 5.583 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.554
Then I find very few patterns in the guest's memory after 3 seconds 7.220 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 1.270
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:33.698
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 9.567
And I prepare Tails for memory erasure tests 0.689
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 41.945
Then I find very few patterns in the guest's memory 2.858 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.692
Then patterns cover at least 99% of the test FS size in the guest's memory 3.745 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.945
Then I find very few patterns in the guest's memory after 3 seconds 6.259 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# read cache
When I mount the USB drive again 11.508
And I read the content of the test FS 1.912
Then patterns cover at least 99% of the test FS size in the guest's memory 4.423 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.267
Then I find very few patterns in the guest's memory after 3 seconds 6.882 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 1.866
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
58.758
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 10.432
And I prepare Tails for memory erasure tests 0.536
When I fill a 128 MiB file with a known pattern on the root filesystem 18.493
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.961
Then patterns cover at least 128 MiB in the guest's memory 4.490 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.829 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:330 3.616
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:55.367
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 8:8.681
And I prepare Tails for memory erasure tests 0.479
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.161
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 22.025 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:330 3.522
After features/support/hooks.rb:100 0.013