Project Number Date
test_Tails_ISO_feature-arti 101 29 Jun 2025, 17:41

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 11:30.956 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
23.210
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.028
Given I have started Tails from DVD without network and logged in 9.152
And I prepare Tails for memory erasure tests 0.602
When I start a process allocating 128 MiB of memory with a known pattern 1.372
Then patterns cover at least 128 MiB in the guest's memory 3.089 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.253
Then I find very few patterns in the guest's memory after 5 seconds 8.739 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:330 0.845
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.407
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 8.820
And I prepare Tails for memory erasure tests 0.603
And I find very few patterns in the guest's memory 3.031 
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 1.564
Then patterns cover at least 99% of the test FS size in the guest's memory 4.203 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.355
Then I find very few patterns in the guest's memory after 3 seconds 5.828 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 1.162
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
45.824
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 8.260
And I prepare Tails for memory erasure tests 0.494
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.242
Then I find very few patterns in the guest's memory 2.500 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.474
Then patterns cover at least 75% of the test FS size in the guest's memory 3.460 
Pattern coverage: 87.271% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.996
Then I find very few patterns in the guest's memory after 3 seconds 6.357 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# read cache
When I mount the USB drive again 0.216
And I read the content of the test FS 0.558
Then patterns cover at least 99% of the test FS size in the guest's memory 3.143 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.352
Then I find very few patterns in the guest's memory after 3 seconds 5.766 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:330 0.740
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:15.554
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 9.058
And I prepare Tails for memory erasure tests 0.598
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.898
Then I find very few patterns in the guest's memory 2.844 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.920
Then patterns cover at least 99% of the test FS size in the guest's memory 2.939 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.692
Then I find very few patterns in the guest's memory after 3 seconds 5.400 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
# read cache
When I mount the USB drive again 5.992
And I read the content of the test FS 0.431
Then patterns cover at least 99% of the test FS size in the guest's memory 3.530 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.488
Then I find very few patterns in the guest's memory after 3 seconds 5.758 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
After features/support/hooks.rb:330 1.387
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.109
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 9.336
And I prepare Tails for memory erasure tests 0.628
When I fill a 128 MiB file with a known pattern on the root filesystem 15.781
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.637
Then patterns cover at least 128 MiB in the guest's memory 2.912 
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 20.798 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
After features/support/hooks.rb:330 3.509
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:49.850
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.005
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:6.172
And I prepare Tails for memory erasure tests 0.497
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.064
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.104 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 3.634
After features/support/hooks.rb:100 0.012