Project Number Date
test_Tails_ISO_stable 5746 28 Jun 2025, 10:22

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 12:58.477 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
27.804
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.007
Given I have started Tails from DVD without network and logged in 10.304
And I prepare Tails for memory erasure tests 0.666
When I start a process allocating 128 MiB of memory with a known pattern 3.516
Then patterns cover at least 128 MiB in the guest's memory 4.669 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.868
Then I find very few patterns in the guest's memory after 5 seconds 7.779 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:330 0.799
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.637
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 9.232
And I prepare Tails for memory erasure tests 0.579
And I find very few patterns in the guest's memory 3.531 
Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.431
Then patterns cover at least 99% of the test FS size in the guest's memory 3.185 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.717
Then I find very few patterns in the guest's memory after 3 seconds 6.959 
Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)
After features/support/hooks.rb:330 1.025
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.601
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 9.667
And I prepare Tails for memory erasure tests 0.526
When I plug and mount a 128 MiB USB drive with a vfat filesystem 12.557
Then I find very few patterns in the guest's memory 3.398 
Pattern coverage: 0.000% (0 MiB out of 863 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 5.016
Then patterns cover at least 75% of the test FS size in the guest's memory 3.445 
Pattern coverage: 91.364% (116 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.362
Then I find very few patterns in the guest's memory after 3 seconds 6.546 
Pattern coverage: 0.000% (0 MiB out of 863 MiB reference memory)
# read cache
When I mount the USB drive again 0.358
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 4.295 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.730
Then I find very few patterns in the guest's memory after 3 seconds 6.066 
Pattern coverage: 0.000% (0 MiB out of 863 MiB reference memory)
After features/support/hooks.rb:330 1.318
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
1:32.284
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 10.785
And I prepare Tails for memory erasure tests 0.814
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 48.306
Then I find very few patterns in the guest's memory 3.562 
Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.439
Then patterns cover at least 99% of the test FS size in the guest's memory 3.356 
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 5.725 
Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)
# read cache
When I mount the USB drive again 4.496
And I read the content of the test FS 0.484
Then patterns cover at least 99% of the test FS size in the guest's memory 4.879 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.749
Then I find very few patterns in the guest's memory after 3 seconds 5.761 
Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)
After features/support/hooks.rb:330 1.750
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.407
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 9.588
And I prepare Tails for memory erasure tests 0.550
When I fill a 128 MiB file with a known pattern on the root filesystem 15.313
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.223
Then patterns cover at least 128 MiB in the guest's memory 3.171 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 22.545 
Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)
After features/support/hooks.rb:330 3.859
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:43.742
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:57.135
And I prepare Tails for memory erasure tests 0.584
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.863
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.144 
Pattern coverage: 0.000% (0 MiB out of 921 MiB reference memory)
After features/support/hooks.rb:330 3.555
After features/support/hooks.rb:100 0.010