Project Number Date
test_Tails_ISO_feature-arti 21 07 Apr 2025, 16:50

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 11:48.675 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
27.529
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 8.592
And I prepare Tails for memory erasure tests 0.490
When I start a process allocating 128 MiB of memory with a known pattern 4.623
Then patterns cover at least 128 MiB in the guest's memory 4.444 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.726
Then I find very few patterns in the guest's memory after 5 seconds 8.653 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:330 0.677
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.876
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 8.707
And I prepare Tails for memory erasure tests 0.439
And I find very few patterns in the guest's memory 3.877 
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 1.985
Then patterns cover at least 99% of the test FS size in the guest's memory 4.102 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.745
Then I find very few patterns in the guest's memory after 3 seconds 7.018 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:330 0.810
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.649
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 8.641
And I prepare Tails for memory erasure tests 0.387
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.006
Then I find very few patterns in the guest's memory 4.130 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.531
Then patterns cover at least 75% of the test FS size in the guest's memory 4.139 
Pattern coverage: 87.485% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.872
Then I find very few patterns in the guest's memory after 3 seconds 6.525 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
# read cache
When I mount the USB drive again 0.231
And I read the content of the test FS 1.354
Then patterns cover at least 99% of the test FS size in the guest's memory 4.150 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.560
Then I find very few patterns in the guest's memory after 3 seconds 7.119 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:330 0.729
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:27.103
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 9.274
And I prepare Tails for memory erasure tests 0.461
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 42.950
Then I find very few patterns in the guest's memory 3.287 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.697
Then patterns cover at least 99% of the test FS size in the guest's memory 4.515 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.922
Then I find very few patterns in the guest's memory after 3 seconds 7.308 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
# read cache
When I mount the USB drive again 4.876
And I read the content of the test FS 1.180
Then patterns cover at least 99% of the test FS size in the guest's memory 3.420 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.913
Then I find very few patterns in the guest's memory after 3 seconds 6.294 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
After features/support/hooks.rb:330 1.161
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.071
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 8.293
And I prepare Tails for memory erasure tests 0.453
When I fill a 128 MiB file with a known pattern on the root filesystem 16.415
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.215
Then patterns cover at least 128 MiB in the guest's memory 3.822 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 20.851 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:330 3.507
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:44.444
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 7:1.490
And I prepare Tails for memory erasure tests 0.426
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.103
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.408 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 3.593
After features/support/hooks.rb:100 0.013