Project Number Date
test_Tails_ISO_stable 5748 29 Jun 2025, 10:02

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 13:19.253 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
28.395
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 9.842
And I prepare Tails for memory erasure tests 0.395
When I start a process allocating 128 MiB of memory with a known pattern 3.232
Then patterns cover at least 128 MiB in the guest's memory 5.625 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.133
Then I find very few patterns in the guest's memory after 5 seconds 8.166 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:330 0.724
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.866
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 9.257
And I prepare Tails for memory erasure tests 0.693
And I find very few patterns in the guest's memory 3.188 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.025
Then patterns cover at least 99% of the test FS size in the guest's memory 3.752 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.440
Then I find very few patterns in the guest's memory after 3 seconds 6.509 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:330 1.324
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.759
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.029
Given I have started Tails from DVD without network and logged in 9.521
And I prepare Tails for memory erasure tests 0.561
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.975
Then I find very few patterns in the guest's memory 3.895 
Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.669
Then patterns cover at least 75% of the test FS size in the guest's memory 4.104 
Pattern coverage: 86.588% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.026
Then I find very few patterns in the guest's memory after 3 seconds 7.626 
Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)
# read cache
When I mount the USB drive again 0.410
And I read the content of the test FS 0.792
Then patterns cover at least 99% of the test FS size in the guest's memory 4.573 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.609
Then I find very few patterns in the guest's memory after 3 seconds 5.991 
Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)
After features/support/hooks.rb:330 1.434
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:35.958
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 11.319
And I prepare Tails for memory erasure tests 0.716
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 50.421
Then I find very few patterns in the guest's memory 3.156 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.676
Then patterns cover at least 99% of the test FS size in the guest's memory 3.319 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.808
Then I find very few patterns in the guest's memory after 3 seconds 5.359 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# read cache
When I mount the USB drive again 6.897
And I read the content of the test FS 0.965
Then patterns cover at least 99% of the test FS size in the guest's memory 3.600 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.682
Then I find very few patterns in the guest's memory after 3 seconds 7.034 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:330 1.898
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.839
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 10.166
And I prepare Tails for memory erasure tests 0.946
When I fill a 128 MiB file with a known pattern on the root filesystem 18.346
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.025
Then patterns cover at least 128 MiB in the guest's memory 3.219 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.023
Then I find very few patterns in the guest's memory after 20 seconds 21.112 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:330 3.580
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:59.434
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 8:10.847
And I prepare Tails for memory erasure tests 0.848
When I fill a 128 MiB file with a known pattern on the persistent filesystem 26.627
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.098 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:330 3.615
After features/support/hooks.rb:100 0.037