Project Number Date
test_Tails_ISO_stable 5719 17 Jun 2025, 17:38

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 11:44.016 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
25.667
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.009
Given I have started Tails from DVD without network and logged in 8.666
And I prepare Tails for memory erasure tests 0.719
When I start a process allocating 128 MiB of memory with a known pattern 2.482
Then patterns cover at least 128 MiB in the guest's memory 4.207 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.289
Then I find very few patterns in the guest's memory after 5 seconds 9.302 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:330 0.687
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.276
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 9.686
And I prepare Tails for memory erasure tests 0.653
And I find very few patterns in the guest's memory 3.266 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.016
Then patterns cover at least 99% of the test FS size in the guest's memory 4.874 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.625
Then I find very few patterns in the guest's memory after 3 seconds 6.152 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:330 1.021
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.302
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 8.180
And I prepare Tails for memory erasure tests 0.527
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.499
Then I find very few patterns in the guest's memory 4.033 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.844
Then patterns cover at least 75% of the test FS size in the guest's memory 5.413 
Pattern coverage: 89.552% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.563
Then I find very few patterns in the guest's memory after 3 seconds 6.021 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# read cache
When I mount the USB drive again 0.263
And I read the content of the test FS 0.865
Then patterns cover at least 99% of the test FS size in the guest's memory 3.839 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.560
Then I find very few patterns in the guest's memory after 3 seconds 7.689 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 0.985
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:19.336
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 9.145
And I prepare Tails for memory erasure tests 0.619
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.730
Then I find very few patterns in the guest's memory 2.848 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.838
Then patterns cover at least 99% of the test FS size in the guest's memory 4.022 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.765
Then I find very few patterns in the guest's memory after 3 seconds 6.026 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# read cache
When I mount the USB drive again 4.045
And I read the content of the test FS 0.407
Then patterns cover at least 99% of the test FS size in the guest's memory 3.170 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.455
Then I find very few patterns in the guest's memory after 3 seconds 8.259 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:330 2.040
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.851
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.007
Given I have started Tails from DVD without network and logged in 8.717
And I prepare Tails for memory erasure tests 0.714
When I fill a 128 MiB file with a known pattern on the root filesystem 15.194
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.831
Then patterns cover at least 128 MiB in the guest's memory 3.321 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.020
Then I find very few patterns in the guest's memory after 20 seconds 21.049 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:330 3.657
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:47.582
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.006
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:3.488
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 22.346
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.252 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:330 3.617
After features/support/hooks.rb:100 0.019