Project Number Date
test_Tails_ISO_20979-pdfarranger 12 07 Jun 2025, 02:39

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 10:57.666 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
26.236
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 8.447
And I prepare Tails for memory erasure tests 0.414
When I start a process allocating 128 MiB of memory with a known pattern 4.492
Then patterns cover at least 128 MiB in the guest's memory 3.389 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.790
Then I find very few patterns in the guest's memory after 5 seconds 8.701 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:330 0.752
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.388
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 8.072
And I prepare Tails for memory erasure tests 0.518
And I find very few patterns in the guest's memory 3.160 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.804
Then patterns cover at least 99% of the test FS size in the guest's memory 3.868 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.436
Then I find very few patterns in the guest's memory after 3 seconds 6.526 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:330 0.787
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.366
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 8.255
And I prepare Tails for memory erasure tests 0.526
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.072
Then I find very few patterns in the guest's memory 3.656 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.760
Then patterns cover at least 75% of the test FS size in the guest's memory 4.068 
Pattern coverage: 87.675% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.970
Then I find very few patterns in the guest's memory after 3 seconds 7.479 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# read cache
When I mount the USB drive again 0.216
And I read the content of the test FS 0.646
Then patterns cover at least 99% of the test FS size in the guest's memory 3.870 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.451
Then I find very few patterns in the guest's memory after 3 seconds 6.391 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:330 0.789
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:12.396
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 8.382
And I prepare Tails for memory erasure tests 0.437
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.986
Then I find very few patterns in the guest's memory 3.109 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.882
Then patterns cover at least 99% of the test FS size in the guest's memory 3.454 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.865
Then I find very few patterns in the guest's memory after 3 seconds 5.969 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# read cache
When I mount the USB drive again 3.682
And I read the content of the test FS 0.377
Then patterns cover at least 99% of the test FS size in the guest's memory 3.358 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.795
Then I find very few patterns in the guest's memory after 3 seconds 6.092 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:330 1.352
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.328
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 8.874
And I prepare Tails for memory erasure tests 0.653
When I fill a 128 MiB file with a known pattern on the root filesystem 15.380
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.765
Then patterns cover at least 128 MiB in the guest's memory 2.905 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 20.730 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 3.503
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:15.949
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 6:31.525
And I prepare Tails for memory erasure tests 0.419
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.622
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.369 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:330 3.495
After features/support/hooks.rb:100 0.012