Project Number Date
test_Tails_ISO_feature-arti 20 06 Apr 2025, 16:43

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 12:14.970 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
24.520
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 8.318
And I prepare Tails for memory erasure tests 0.545
When I start a process allocating 128 MiB of memory with a known pattern 2.385
Then patterns cover at least 128 MiB in the guest's memory 3.576 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.915
Then I find very few patterns in the guest's memory after 5 seconds 8.778 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 0.745
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
29.231
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 10.243
And I prepare Tails for memory erasure tests 0.670
And I find very few patterns in the guest's memory 3.888 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.180
Then patterns cover at least 99% of the test FS size in the guest's memory 4.289 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.835
Then I find very few patterns in the guest's memory after 3 seconds 7.123 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:330 0.750
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.695
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 9.141
And I prepare Tails for memory erasure tests 0.467
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.230
Then I find very few patterns in the guest's memory 3.950 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.792
Then patterns cover at least 75% of the test FS size in the guest's memory 4.453 
Pattern coverage: 91.297% (116 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.129
Then I find very few patterns in the guest's memory after 3 seconds 6.858 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# read cache
When I mount the USB drive again 0.284
And I read the content of the test FS 0.973
Then patterns cover at least 99% of the test FS size in the guest's memory 4.233 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.515
Then I find very few patterns in the guest's memory after 3 seconds 6.664 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:330 1.067
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:17.796
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 8.708
And I prepare Tails for memory erasure tests 0.483
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.571
Then I find very few patterns in the guest's memory 3.303 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.923
Then patterns cover at least 99% of the test FS size in the guest's memory 3.298 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.810
Then I find very few patterns in the guest's memory after 3 seconds 6.248 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# read cache
When I mount the USB drive again 6.016
And I read the content of the test FS 0.630
Then patterns cover at least 99% of the test FS size in the guest's memory 3.881 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.583
Then I find very few patterns in the guest's memory after 3 seconds 6.338 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:330 1.354
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.809
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 8.451
And I prepare Tails for memory erasure tests 0.529
When I fill a 128 MiB file with a known pattern on the root filesystem 17.318
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.180
Then patterns cover at least 128 MiB in the guest's memory 3.383 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.932 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 3.508
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:18.917
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 7:31.937
And I prepare Tails for memory erasure tests 0.814
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.827
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.324 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:330 3.517
After features/support/hooks.rb:100 0.010