Project Number Date
test_Tails_ISO_stable 5713 12 Jun 2025, 17:24

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 11:5.763 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
25.768
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 9.467
And I prepare Tails for memory erasure tests 0.486
When I start a process allocating 128 MiB of memory with a known pattern 2.331
Then patterns cover at least 128 MiB in the guest's memory 4.152 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.640
Then I find very few patterns in the guest's memory after 5 seconds 8.689 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:330 0.760
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.628
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 8.181
And I prepare Tails for memory erasure tests 0.389
And I find very few patterns in the guest's memory 3.518 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.808
Then patterns cover at least 99% of the test FS size in the guest's memory 3.719 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.698
Then I find very few patterns in the guest's memory after 3 seconds 6.312 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 0.660
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
46.084
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 8.203
And I prepare Tails for memory erasure tests 0.446
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.392
Then I find very few patterns in the guest's memory 3.126 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.308
Then patterns cover at least 75% of the test FS size in the guest's memory 3.751 
Pattern coverage: 84.507% (107 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.827
Then I find very few patterns in the guest's memory after 3 seconds 6.527 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# read cache
When I mount the USB drive again 0.203
And I read the content of the test FS 0.505
Then patterns cover at least 99% of the test FS size in the guest's memory 3.595 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.328
Then I find very few patterns in the guest's memory after 3 seconds 6.867 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 1.021
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:12.513
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 8.403
And I prepare Tails for memory erasure tests 0.415
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.625
Then I find very few patterns in the guest's memory 3.038 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.737
Then patterns cover at least 99% of the test FS size in the guest's memory 3.240 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.748
Then I find very few patterns in the guest's memory after 3 seconds 5.918 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# read cache
When I mount the USB drive again 4.044
And I read the content of the test FS 0.490
Then patterns cover at least 99% of the test FS size in the guest's memory 2.866 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.594
Then I find very few patterns in the guest's memory after 3 seconds 5.391 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:330 1.095
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.784
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 8.234
And I prepare Tails for memory erasure tests 0.564
When I fill a 128 MiB file with a known pattern on the root filesystem 14.308
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.922
Then patterns cover at least 128 MiB in the guest's memory 2.781 
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 20.958 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 3.567
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:27.984
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 6:42.662
And I prepare Tails for memory erasure tests 0.398
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.578
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.332 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:330 3.587
After features/support/hooks.rb:100 0.009