Project Number Date
test_Tails_ISO_devel 3867 13 Jun 2025, 15:09

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 14:22.872 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
31.155
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 8.588
And I prepare Tails for memory erasure tests 1.554
When I start a process allocating 128 MiB of memory with a known pattern 3.442
Then patterns cover at least 128 MiB in the guest's memory 5.696 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.927
Then I find very few patterns in the guest's memory after 5 seconds 10.945 
Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)
After features/support/hooks.rb:330 1.167
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
31.763
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 9.800
And I prepare Tails for memory erasure tests 0.530
And I find very few patterns in the guest's memory 4.221 
Pattern coverage: 0.000% (0 MiB out of 865 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.453
Then patterns cover at least 99% of the test FS size in the guest's memory 7.106 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.868
Then I find very few patterns in the guest's memory after 3 seconds 6.782 
Pattern coverage: 0.000% (0 MiB out of 865 MiB reference memory)
After features/support/hooks.rb:330 1.412
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:2.157
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 12.309
And I prepare Tails for memory erasure tests 0.573
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.264
Then I find very few patterns in the guest's memory 6.204 
Pattern coverage: 0.000% (0 MiB out of 865 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.781
Then patterns cover at least 75% of the test FS size in the guest's memory 4.533 
Pattern coverage: 86.435% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.137
Then I find very few patterns in the guest's memory after 3 seconds 10.630 
Pattern coverage: 0.000% (0 MiB out of 865 MiB reference memory)
# read cache
When I mount the USB drive again 0.276
And I read the content of the test FS 0.651
Then patterns cover at least 99% of the test FS size in the guest's memory 4.482 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.431
Then I find very few patterns in the guest's memory after 3 seconds 6.879 
Pattern coverage: 0.000% (0 MiB out of 865 MiB reference memory)
After features/support/hooks.rb:330 2.010
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
1:35.967
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.023
Given I have started Tails from DVD without network and logged in 10.458
And I prepare Tails for memory erasure tests 0.455
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 49.433
Then I find very few patterns in the guest's memory 3.527 
Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.864
Then patterns cover at least 99% of the test FS size in the guest's memory 5.018 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.050
Then I find very few patterns in the guest's memory after 3 seconds 5.917 
Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)
# read cache
When I mount the USB drive again 7.197
And I read the content of the test FS 0.522
Then patterns cover at least 99% of the test FS size in the guest's memory 3.662 
Pattern coverage: 106.115% (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 6.218 
Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)
After features/support/hooks.rb:330 1.838
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
57.015
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 11.884
And I prepare Tails for memory erasure tests 0.460
When I fill a 128 MiB file with a known pattern on the root filesystem 15.289
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 5.030
Then patterns cover at least 128 MiB in the guest's memory 3.058 
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 21.279 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
After features/support/hooks.rb:330 3.646
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
9:44.814
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 8:54.857
And I prepare Tails for memory erasure tests 0.438
When I fill a 128 MiB file with a known pattern on the persistent filesystem 26.551
When I trigger shutdown 0.253
Then I find very few patterns in the guest's memory after 20 seconds 22.713 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
After features/support/hooks.rb:330 3.726
After features/support/hooks.rb:100 0.015