Project Number Date
test_Tails_ISO_stable 5629 06 May 2025, 23:50

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 11:8.835 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
23.822
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 9.022
And I prepare Tails for memory erasure tests 0.550
When I start a process allocating 128 MiB of memory with a known pattern 1.265
Then patterns cover at least 128 MiB in the guest's memory 3.534 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.788
Then I find very few patterns in the guest's memory after 5 seconds 8.659 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:330 0.902
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.443
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 8.324
And I prepare Tails for memory erasure tests 0.552
And I find very few patterns in the guest's memory 3.149 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.047
Then patterns cover at least 99% of the test FS size in the guest's memory 4.348 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.455
Then I find very few patterns in the guest's memory after 3 seconds 6.566 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
After features/support/hooks.rb:330 0.928
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
46.781
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 8.226
And I prepare Tails for memory erasure tests 0.497
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.976
Then I find very few patterns in the guest's memory 3.069 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.372
Then patterns cover at least 75% of the test FS size in the guest's memory 3.854 
Pattern coverage: 85.039% (108 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.958
Then I find very few patterns in the guest's memory after 3 seconds 6.215 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# read cache
When I mount the USB drive again 0.338
And I read the content of the test FS 0.605
Then patterns cover at least 99% of the test FS size in the guest's memory 3.752 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.409
Then I find very few patterns in the guest's memory after 3 seconds 6.504 
Pattern coverage: 0.001% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:330 0.761
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:10.002
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 8.097
And I prepare Tails for memory erasure tests 0.435
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.177
Then I find very few patterns in the guest's memory 2.704 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.607
Then patterns cover at least 99% of the test FS size in the guest's memory 3.054 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.665
Then I find very few patterns in the guest's memory after 3 seconds 6.406 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# read cache
When I mount the USB drive again 4.276
And I read the content of the test FS 0.510
Then patterns cover at least 99% of the test FS size in the guest's memory 3.077 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.495
Then I find very few patterns in the guest's memory after 3 seconds 5.494 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:330 1.068
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.736
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 8.091
And I prepare Tails for memory erasure tests 0.430
When I fill a 128 MiB file with a known pattern on the root filesystem 16.604
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.040
Then patterns cover at least 128 MiB in the guest's memory 2.802 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 20.748 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 3.539
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:32.049
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:48.749
And I prepare Tails for memory erasure tests 0.447
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.606
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.234 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:330 3.531
After features/support/hooks.rb:100 0.013