Project Number Date
test_Tails_ISO_feature-arti 80 03 Jun 2025, 17:16

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 12:59.282 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
26.286
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 8.686
And I prepare Tails for memory erasure tests 0.585
When I start a process allocating 128 MiB of memory with a known pattern 2.508
Then patterns cover at least 128 MiB in the guest's memory 5.331 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.261
Then I find very few patterns in the guest's memory after 5 seconds 8.912 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:330 0.766
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
29.799
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 8.747
And I prepare Tails for memory erasure tests 1.355
And I find very few patterns in the guest's memory 5.526 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.125
Then patterns cover at least 99% of the test FS size in the guest's memory 4.521 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.674
Then I find very few patterns in the guest's memory after 3 seconds 6.849 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:330 0.780
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
58.075
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.010
Given I have started Tails from DVD without network and logged in 8.755
And I prepare Tails for memory erasure tests 0.674
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.500
Then I find very few patterns in the guest's memory 4.216 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.838
Then patterns cover at least 75% of the test FS size in the guest's memory 4.917 
Pattern coverage: 91.967% (117 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.150
Then I find very few patterns in the guest's memory after 3 seconds 7.236 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
# read cache
When I mount the USB drive again 0.290
And I read the content of the test FS 3.022
Then patterns cover at least 99% of the test FS size in the guest's memory 4.943 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.603
Then I find very few patterns in the guest's memory after 3 seconds 8.925 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:330 1.017
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
1:25.174
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 9.937
And I prepare Tails for memory erasure tests 0.683
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.882
Then I find very few patterns in the guest's memory 3.744 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.170
Then patterns cover at least 99% of the test FS size in the guest's memory 3.301 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.753
Then I find very few patterns in the guest's memory after 3 seconds 6.237 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# read cache
When I mount the USB drive again 4.977
And I read the content of the test FS 2.298
Then patterns cover at least 99% of the test FS size in the guest's memory 3.876 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.741
Then I find very few patterns in the guest's memory after 3 seconds 6.569 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:330 1.603
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.230
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 8.551
And I prepare Tails for memory erasure tests 0.512
When I fill a 128 MiB file with a known pattern on the root filesystem 17.098
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.459
Then patterns cover at least 128 MiB in the guest's memory 4.131 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.021
Then I find very few patterns in the guest's memory after 20 seconds 21.455 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 3.659
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:45.715
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.009
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:58.380
And I prepare Tails for memory erasure tests 0.532
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.100
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 21.684 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 3.553
After features/support/hooks.rb:100 0.015