Project Number Date
test_Tails_ISO_stable 5699 05 Jun 2025, 12:48

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 11:32.531 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
24.943
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 8.050
And I prepare Tails for memory erasure tests 0.453
When I start a process allocating 128 MiB of memory with a known pattern 2.528
Then patterns cover at least 128 MiB in the guest's memory 3.926 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.883
Then I find very few patterns in the guest's memory after 5 seconds 8.101 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:330 0.716
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.008
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 8.245
And I prepare Tails for memory erasure tests 0.473
And I find very few patterns in the guest's memory 3.103 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.552
Then patterns cover at least 99% of the test FS size in the guest's memory 3.705 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.583
Then I find very few patterns in the guest's memory after 3 seconds 6.342 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:330 0.810
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
47.840
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 8.244
And I prepare Tails for memory erasure tests 0.431
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.271
Then I find very few patterns in the guest's memory 3.441 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.552
Then patterns cover at least 75% of the test FS size in the guest's memory 4.035 
Pattern coverage: 86.500% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.989
Then I find very few patterns in the guest's memory after 3 seconds 6.286 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# read cache
When I mount the USB drive again 0.244
And I read the content of the test FS 0.728
Then patterns cover at least 99% of the test FS size in the guest's memory 3.736 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.499
Then I find very few patterns in the guest's memory after 3 seconds 6.378 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 0.740
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.524
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 8.173
And I prepare Tails for memory erasure tests 0.539
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.918
Then I find very few patterns in the guest's memory 2.732 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.153
Then patterns cover at least 99% of the test FS size in the guest's memory 2.967 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.901
Then I find very few patterns in the guest's memory after 3 seconds 5.806 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# read cache
When I mount the USB drive again 4.014
And I read the content of the test FS 0.491
Then patterns cover at least 99% of the test FS size in the guest's memory 3.441 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.847
Then I find very few patterns in the guest's memory after 3 seconds 5.536 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 1.502
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.252
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 8.469
And I prepare Tails for memory erasure tests 0.484
When I fill a 128 MiB file with a known pattern on the root filesystem 18.041
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.516
Then patterns cover at least 128 MiB in the guest's memory 2.797 
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 20.928 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:330 3.519
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:44.962
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 7:0.293
And I prepare Tails for memory erasure tests 0.574
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.887
When I trigger shutdown 0.021
Then I find very few patterns in the guest's memory after 20 seconds 21.185 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:330 3.493
After features/support/hooks.rb:100 0.011