Project Number Date
test_Tails_ISO_feature-arti 10 27 Mar 2025, 18:34

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 12:17.866 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
22.966
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 8.386
And I prepare Tails for memory erasure tests 0.435
When I start a process allocating 128 MiB of memory with a known pattern 1.266
Then patterns cover at least 128 MiB in the guest's memory 4.269 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.545
Then I find very few patterns in the guest's memory after 5 seconds 8.062 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:330 1.801
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.552
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.006
Given I have started Tails from DVD without network and logged in 8.971
And I prepare Tails for memory erasure tests 0.419
And I find very few patterns in the guest's memory 3.491 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.801
Then patterns cover at least 99% of the test FS size in the guest's memory 4.347 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.383
Then I find very few patterns in the guest's memory after 3 seconds 7.137 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 0.909
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.435
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 8.948
And I prepare Tails for memory erasure tests 0.487
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.321
Then I find very few patterns in the guest's memory 3.935 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.674
Then patterns cover at least 75% of the test FS size in the guest's memory 4.082 
Pattern coverage: 87.586% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.711
Then I find very few patterns in the guest's memory after 3 seconds 7.049 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# read cache
When I mount the USB drive again 0.231
And I read the content of the test FS 0.743
Then patterns cover at least 99% of the test FS size in the guest's memory 4.861 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.421
Then I find very few patterns in the guest's memory after 3 seconds 6.966 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:330 1.189
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:21.797
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 8.986
And I prepare Tails for memory erasure tests 0.501
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.586
Then I find very few patterns in the guest's memory 3.336 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.259
Then patterns cover at least 99% of the test FS size in the guest's memory 3.303 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.802
Then I find very few patterns in the guest's memory after 3 seconds 7.818 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# read cache
When I mount the USB drive again 4.416
And I read the content of the test FS 0.460
Then patterns cover at least 99% of the test FS size in the guest's memory 3.529 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.525
Then I find very few patterns in the guest's memory after 3 seconds 7.270 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 1.583
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:6.809
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 24.364
And I prepare Tails for memory erasure tests 0.441
When I fill a 128 MiB file with a known pattern on the root filesystem 15.118
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.711
Then patterns cover at least 128 MiB in the guest's memory 3.225 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 20.931 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 3.595
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:8.305
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.007
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:23.151
And I prepare Tails for memory erasure tests 0.754
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.134
When I trigger shutdown 0.020
Then I find very few patterns in the guest's memory after 20 seconds 21.244 
Pattern coverage: 0.000% (0 MiB out of 914 MiB reference memory)
After features/support/hooks.rb:330 3.555
After features/support/hooks.rb:100 0.016