Project Number Date
test_Tails_ISO_15268-explain-admin-password 3 17 Jul 2025, 15:42

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 15:42.665 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
41.229
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 9.128
And I prepare Tails for memory erasure tests 0.714
When I start a process allocating 128 MiB of memory with a known pattern 1.335
Then patterns cover at least 128 MiB in the guest's memory 13.310 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.646
Then I find very few patterns in the guest's memory after 5 seconds 16.093 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:330 0.951
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.784
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.005
Given I have started Tails from DVD without network and logged in 8.555
And I prepare Tails for memory erasure tests 0.537
And I find very few patterns in the guest's memory 11.761 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.700
Then patterns cover at least 99% of the test FS size in the guest's memory 15.334 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.555
Then I find very few patterns in the guest's memory after 3 seconds 16.338 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:330 1.455
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:45.078
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.011
Given I have started Tails from DVD without network and logged in 8.901
And I prepare Tails for memory erasure tests 0.510
When I plug and mount a 128 MiB USB drive with a vfat filesystem 13.119
Then I find very few patterns in the guest's memory 11.174 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 5.640
Then patterns cover at least 75% of the test FS size in the guest's memory 12.030 
Pattern coverage: 91.398% (116 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.979
Then I find very few patterns in the guest's memory after 3 seconds 15.807 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
# read cache
When I mount the USB drive again 0.188
And I read the content of the test FS 0.615
Then patterns cover at least 99% of the test FS size in the guest's memory 17.277 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.430
Then I find very few patterns in the guest's memory after 3 seconds 18.403 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:330 0.869
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:59.733
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 8.634
And I prepare Tails for memory erasure tests 3.083
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.689
Then I find very few patterns in the guest's memory 11.333 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.109
Then patterns cover at least 99% of the test FS size in the guest's memory 10.808 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.633
Then I find very few patterns in the guest's memory after 3 seconds 12.029 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
# read cache
When I mount the USB drive again 6.842
And I read the content of the test FS 0.607
Then patterns cover at least 99% of the test FS size in the guest's memory 10.198 
Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.462
Then I find very few patterns in the guest's memory after 3 seconds 13.300 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:330 1.168
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:1.483
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 9.580
And I prepare Tails for memory erasure tests 2.121
When I fill a 128 MiB file with a known pattern on the root filesystem 14.583
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.270
Then patterns cover at least 128 MiB in the guest's memory 12.029 
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 21.880 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 3.526
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
9:20.355
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 8:33.517
And I prepare Tails for memory erasure tests 0.475
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.708
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 22.637 
Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)
After features/support/hooks.rb:330 3.979
After features/support/hooks.rb:100 0.040