Project Number Date
test_Tails_ISO_stable 5507 11 Mar 2025, 12:28

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 10:56.898 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
23.688
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 7.936
And I prepare Tails for memory erasure tests 0.435
When I start a process allocating 128 MiB of memory with a known pattern 2.320
Then patterns cover at least 128 MiB in the guest's memory 4.105 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.612
Then I find very few patterns in the guest's memory after 5 seconds 8.277 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:330 0.738
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
23.861
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 7.869
And I prepare Tails for memory erasure tests 0.372
And I find very few patterns in the guest's memory 3.093 
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 1.623
Then patterns cover at least 99% of the test FS size in the guest's memory 3.519 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.545
Then I find very few patterns in the guest's memory after 3 seconds 6.837 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:330 0.724
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.381
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 7.946
And I prepare Tails for memory erasure tests 0.416
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.057
Then I find very few patterns in the guest's memory 3.416 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.768
Then patterns cover at least 75% of the test FS size in the guest's memory 3.349 
Pattern coverage: 87.259% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.525
Then I find very few patterns in the guest's memory after 3 seconds 6.921 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# read cache
When I mount the USB drive again 0.256
And I read the content of the test FS 0.799
Then patterns cover at least 99% of the test FS size in the guest's memory 4.093 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.757
Then I find very few patterns in the guest's memory after 3 seconds 6.072 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:330 0.762
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.838
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 7.839
And I prepare Tails for memory erasure tests 0.402
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.921
Then I find very few patterns in the guest's memory 2.479 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.808
Then patterns cover at least 99% of the test FS size in the guest's memory 3.060 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.862
Then I find very few patterns in the guest's memory after 3 seconds 5.383 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# read cache
When I mount the USB drive again 5.553
And I read the content of the test FS 0.364
Then patterns cover at least 99% of the test FS size in the guest's memory 2.992 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.706
Then I find very few patterns in the guest's memory after 3 seconds 5.463 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:330 1.570
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.070
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 7.860
And I prepare Tails for memory erasure tests 0.388
When I fill a 128 MiB file with a known pattern on the root filesystem 16.295
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.911
Then patterns cover at least 128 MiB in the guest's memory 2.826 
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 20.774 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 3.505
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:14.056
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 6:28.548
And I prepare Tails for memory erasure tests 0.919
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.455
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.120 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:330 3.529
After features/support/hooks.rb:100 0.011