Project Number Date
test_Tails_ISO_feature-arti 6 23 Mar 2025, 16:24

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 11:36.594 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
24.248
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 8.246
And I prepare Tails for memory erasure tests 0.440
When I start a process allocating 128 MiB of memory with a known pattern 1.192
Then patterns cover at least 128 MiB in the guest's memory 4.099 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.933
Then I find very few patterns in the guest's memory after 5 seconds 9.336 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
After features/support/hooks.rb:330 0.812
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
31.102
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 8.922
And I prepare Tails for memory erasure tests 0.496
And I find very few patterns in the guest's memory 6.636 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.128
Then patterns cover at least 99% of the test FS size in the guest's memory 3.944 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.412
Then I find very few patterns in the guest's memory after 3 seconds 7.562 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:330 0.955
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.738
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 9.025
And I prepare Tails for memory erasure tests 0.467
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.254
Then I find very few patterns in the guest's memory 4.162 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.057
Then patterns cover at least 75% of the test FS size in the guest's memory 5.159 
Pattern coverage: 91.572% (116 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.144
Then I find very few patterns in the guest's memory after 3 seconds 6.812 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
# read cache
When I mount the USB drive again 0.207
And I read the content of the test FS 0.719
Then patterns cover at least 99% of the test FS size in the guest's memory 4.083 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.164
Then I find very few patterns in the guest's memory after 3 seconds 6.479 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
After features/support/hooks.rb:330 0.943
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:20.555
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 8.215
And I prepare Tails for memory erasure tests 0.442
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.963
Then I find very few patterns in the guest's memory 3.107 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.030
Then patterns cover at least 99% of the test FS size in the guest's memory 3.640 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.042
Then I find very few patterns in the guest's memory after 3 seconds 6.913 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
# read cache
When I mount the USB drive again 5.913
And I read the content of the test FS 0.572
Then patterns cover at least 99% of the test FS size in the guest's memory 3.596 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.707
Then I find very few patterns in the guest's memory after 3 seconds 6.408 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
After features/support/hooks.rb:330 1.760
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.804
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 10.174
And I prepare Tails for memory erasure tests 0.491
When I fill a 128 MiB file with a known pattern on the root filesystem 17.276
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.894
Then patterns cover at least 128 MiB in the guest's memory 3.057 
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 20.893 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 3.504
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:34.145
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 6:49.272
And I prepare Tails for memory erasure tests 0.613
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.025
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.218 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 3.536
After features/support/hooks.rb:100 0.013