Project Number Date
test_Tails_ISO_feature-arti 81 04 Jun 2025, 20:44

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 11:21.808 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
25.889
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 8.177
And I prepare Tails for memory erasure tests 0.452
When I start a process allocating 128 MiB of memory with a known pattern 2.365
Then patterns cover at least 128 MiB in the guest's memory 5.269 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.941
Then I find very few patterns in the guest's memory after 5 seconds 8.682 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:330 0.944
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.448
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 8.412
And I prepare Tails for memory erasure tests 0.436
And I find very few patterns in the guest's memory 3.576 
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 2.078
Then patterns cover at least 99% of the test FS size in the guest's memory 3.969 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.512
Then I find very few patterns in the guest's memory after 3 seconds 6.462 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 0.821
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.854
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 9.387
And I prepare Tails for memory erasure tests 0.488
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.204
Then I find very few patterns in the guest's memory 3.878 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.515
Then patterns cover at least 75% of the test FS size in the guest's memory 3.803 
Pattern coverage: 85.697% (109 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.131
Then I find very few patterns in the guest's memory after 3 seconds 6.455 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# read cache
When I mount the USB drive again 0.308
And I read the content of the test FS 0.633
Then patterns cover at least 99% of the test FS size in the guest's memory 3.926 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.735
Then I find very few patterns in the guest's memory after 3 seconds 6.385 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 0.785
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.958
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 9.208
And I prepare Tails for memory erasure tests 0.552
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.369
Then I find very few patterns in the guest's memory 3.724 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.554
Then patterns cover at least 99% of the test FS size in the guest's memory 3.321 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.771
Then I find very few patterns in the guest's memory after 3 seconds 5.915 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# read cache
When I mount the USB drive again 3.931
And I read the content of the test FS 1.008
Then patterns cover at least 99% of the test FS size in the guest's memory 3.877 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.638
Then I find very few patterns in the guest's memory after 3 seconds 6.084 
Pattern coverage: 0.000% (0 MiB out of 891 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
53.147
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 8.310
And I prepare Tails for memory erasure tests 0.449
When I fill a 128 MiB file with a known pattern on the root filesystem 17.293
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.346
Then patterns cover at least 128 MiB in the guest's memory 2.999 
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 21.732 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 3.575
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:30.509
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 6:45.566
And I prepare Tails for memory erasure tests 0.547
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.205
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.177 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:330 3.517
After features/support/hooks.rb:100 0.025