Project Number Date
test_Tails_ISO_stable 5727 19 Jun 2025, 12:43

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 11:16.126 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
38.277
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 21.301
And I prepare Tails for memory erasure tests 0.466
When I start a process allocating 128 MiB of memory with a known pattern 2.353
Then patterns cover at least 128 MiB in the guest's memory 4.205 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.561
Then I find very few patterns in the guest's memory after 5 seconds 8.389 
Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)
After features/support/hooks.rb:330 0.765
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.434
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 8.508
And I prepare Tails for memory erasure tests 0.645
And I find very few patterns in the guest's memory 3.349 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.213
Then patterns cover at least 99% of the test FS size in the guest's memory 3.196 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.688
Then I find very few patterns in the guest's memory after 3 seconds 6.833 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:330 0.931
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.652
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 9.329
And I prepare Tails for memory erasure tests 0.441
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.047
Then I find very few patterns in the guest's memory 3.798 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.563
Then patterns cover at least 75% of the test FS size in the guest's memory 4.046 
Pattern coverage: 87.286% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.085
Then I find very few patterns in the guest's memory after 3 seconds 6.362 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# read cache
When I mount the USB drive again 0.323
And I read the content of the test FS 0.616
Then patterns cover at least 99% of the test FS size in the guest's memory 3.973 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.032
Then I find very few patterns in the guest's memory after 3 seconds 6.031 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:330 1.073
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.248
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 8.979
And I prepare Tails for memory erasure tests 0.679
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.558
Then I find very few patterns in the guest's memory 2.803 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.839
Then patterns cover at least 99% of the test FS size in the guest's memory 3.140 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.635
Then I find very few patterns in the guest's memory after 3 seconds 5.847 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
# read cache
When I mount the USB drive again 5.050
And I read the content of the test FS 0.544
Then patterns cover at least 99% of the test FS size in the guest's memory 3.264 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.656
Then I find very few patterns in the guest's memory after 3 seconds 6.247 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
After features/support/hooks.rb:330 1.268
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.517
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 8.821
And I prepare Tails for memory erasure tests 0.639
When I fill a 128 MiB file with a known pattern on the root filesystem 15.404
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.965
Then patterns cover at least 128 MiB in the guest's memory 4.711 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.962 
Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)
After features/support/hooks.rb:330 3.465
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:10.995
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 6:27.187
And I prepare Tails for memory erasure tests 0.403
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.925
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.463 
Pattern coverage: 0.000% (0 MiB out of 920 MiB reference memory)
After features/support/hooks.rb:330 3.612
After features/support/hooks.rb:100 0.012