Project Number Date
test_Tails_ISO_feature-arti 66 22 May 2025, 16:45

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 11:42.722 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
24.869
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 9.334
And I prepare Tails for memory erasure tests 0.751
When I start a process allocating 128 MiB of memory with a known pattern 2.253
Then patterns cover at least 128 MiB in the guest's memory 3.850 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.216
Then I find very few patterns in the guest's memory after 5 seconds 8.463 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:330 0.722
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.638
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.014
Given I have started Tails from DVD without network and logged in 9.504
And I prepare Tails for memory erasure tests 0.457
And I find very few patterns in the guest's memory 3.822 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.034
Then patterns cover at least 99% of the test FS size in the guest's memory 4.420 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.686
Then I find very few patterns in the guest's memory after 3 seconds 6.712 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:330 0.697
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.293
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 8.687
And I prepare Tails for memory erasure tests 0.578
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.162
Then I find very few patterns in the guest's memory 3.902 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.149
Then patterns cover at least 75% of the test FS size in the guest's memory 4.382 
Pattern coverage: 88.875% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.799
Then I find very few patterns in the guest's memory after 3 seconds 6.697 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# read cache
When I mount the USB drive again 0.412
And I read the content of the test FS 0.681
Then patterns cover at least 99% of the test FS size in the guest's memory 4.409 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.441
Then I find very few patterns in the guest's memory after 3 seconds 5.989 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 0.735
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
1:20.259
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 8.479
And I prepare Tails for memory erasure tests 0.543
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 40.593
Then I find very few patterns in the guest's memory 3.279 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.525
Then patterns cover at least 99% of the test FS size in the guest's memory 3.380 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.951
Then I find very few patterns in the guest's memory after 3 seconds 6.289 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
# read cache
When I mount the USB drive again 4.342
And I read the content of the test FS 0.536
Then patterns cover at least 99% of the test FS size in the guest's memory 3.359 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.486
Then I find very few patterns in the guest's memory after 3 seconds 6.492 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:330 1.113
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.492
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 8.514
And I prepare Tails for memory erasure tests 0.471
When I fill a 128 MiB file with a known pattern on the root filesystem 15.730
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.909
Then patterns cover at least 128 MiB in the guest's memory 2.920 
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 20.932 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:330 3.535
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:51.168
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 7:6.271
And I prepare Tails for memory erasure tests 0.605
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.907
When I trigger shutdown 0.019
Then I find very few patterns in the guest's memory after 20 seconds 21.364 
Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)
After features/support/hooks.rb:330 3.500
After features/support/hooks.rb:100 0.014