Project Number Date
test_Tails_ISO_stable 5685 29 May 2025, 12:49

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 11:19.670 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
26.558
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 8.165
And I prepare Tails for memory erasure tests 0.390
When I start a process allocating 128 MiB of memory with a known pattern 2.452
Then patterns cover at least 128 MiB in the guest's memory 5.023 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.583
Then I find very few patterns in the guest's memory after 5 seconds 8.944 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:330 1.192
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.023
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 7.958
And I prepare Tails for memory erasure tests 0.448
And I find very few patterns in the guest's memory 3.367 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.298
Then patterns cover at least 99% of the test FS size in the guest's memory 3.514 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.597
Then I find very few patterns in the guest's memory after 3 seconds 6.837 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:330 1.216
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
47.075
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 8.044
And I prepare Tails for memory erasure tests 0.393
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.007
Then I find very few patterns in the guest's memory 3.301 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.581
Then patterns cover at least 75% of the test FS size in the guest's memory 3.248 
Pattern coverage: 88.664% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.819
Then I find very few patterns in the guest's memory after 3 seconds 6.280 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# read cache
When I mount the USB drive again 0.283
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 4.025 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.510
Then I find very few patterns in the guest's memory after 3 seconds 6.093 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:330 1.190
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:14.736
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 7.969
And I prepare Tails for memory erasure tests 0.385
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.888
Then I find very few patterns in the guest's memory 2.849 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.794
Then patterns cover at least 99% of the test FS size in the guest's memory 3.107 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.874
Then I find very few patterns in the guest's memory after 3 seconds 5.531 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# read cache
When I mount the USB drive again 7.055
And I read the content of the test FS 0.438
Then patterns cover at least 99% of the test FS size in the guest's memory 2.933 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.427
Then I find very few patterns in the guest's memory after 3 seconds 5.481 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 2.385
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:2.468
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 23.082
And I prepare Tails for memory erasure tests 0.526
When I fill a 128 MiB file with a known pattern on the root filesystem 14.014
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.613
Then patterns cover at least 128 MiB in the guest's memory 2.484 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.734 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:330 3.540
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:23.808
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 6:40.418
And I prepare Tails for memory erasure tests 0.458
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.443
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.474 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
After features/support/hooks.rb:330 3.530
After features/support/hooks.rb:100 0.012