Project Number Date
test_Tails_ISO_devel 3828 21 May 2025, 22:52

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 11:13.928 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
23.148
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 8.596
And I prepare Tails for memory erasure tests 0.431
When I start a process allocating 128 MiB of memory with a known pattern 1.325
Then patterns cover at least 128 MiB in the guest's memory 3.657 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.808
Then I find very few patterns in the guest's memory after 5 seconds 8.329 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 0.749
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.125
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 8.784
And I prepare Tails for memory erasure tests 0.378
And I find very few patterns in the guest's memory 3.567 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.038
Then patterns cover at least 99% of the test FS size in the guest's memory 4.154 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.501
Then I find very few patterns in the guest's memory after 3 seconds 6.699 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:330 0.797
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.763
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 8.226
And I prepare Tails for memory erasure tests 0.459
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.100
Then I find very few patterns in the guest's memory 3.563 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.229
Then patterns cover at least 75% of the test FS size in the guest's memory 4.108 
Pattern coverage: 84.868% (108 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.555
Then I find very few patterns in the guest's memory after 3 seconds 6.466 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# read cache
When I mount the USB drive again 0.303
And I read the content of the test FS 0.581
Then patterns cover at least 99% of the test FS size in the guest's memory 3.943 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.697
Then I find very few patterns in the guest's memory after 3 seconds 6.527 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:330 0.749
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:14.673
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 8.069
And I prepare Tails for memory erasure tests 0.420
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.721
Then I find very few patterns in the guest's memory 2.813 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.639
Then patterns cover at least 99% of the test FS size in the guest's memory 3.205 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.595
Then I find very few patterns in the guest's memory after 3 seconds 5.613 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# read cache
When I mount the USB drive again 4.296
And I read the content of the test FS 0.566
Then patterns cover at least 99% of the test FS size in the guest's memory 3.579 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.019
Then I find very few patterns in the guest's memory after 3 seconds 6.131 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:330 1.524
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.148
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 8.487
And I prepare Tails for memory erasure tests 0.546
When I fill a 128 MiB file with a known pattern on the root filesystem 16.676
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.692
Then patterns cover at least 128 MiB in the guest's memory 2.769 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.962 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 3.496
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:30.069
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 6:42.598
And I prepare Tails for memory erasure tests 0.693
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.562
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.198 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:330 3.497
After features/support/hooks.rb:100 0.012