Project Number Date
test_Tails_ISO_feature-arti 63 19 May 2025, 19:06

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 13:9.791 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
27.253
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 8.763
And I prepare Tails for memory erasure tests 0.832
When I start a process allocating 128 MiB of memory with a known pattern 3.662
Then patterns cover at least 128 MiB in the guest's memory 4.269 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.602
Then I find very few patterns in the guest's memory after 5 seconds 9.122 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 0.772
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
28.129
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 8.995
And I prepare Tails for memory erasure tests 0.736
And I find very few patterns in the guest's memory 3.820 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.788
Then patterns cover at least 99% of the test FS size in the guest's memory 4.516 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.423
Then I find very few patterns in the guest's memory after 3 seconds 7.848 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:330 1.095
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
57.254
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 11.661
And I prepare Tails for memory erasure tests 0.425
When I plug and mount a 128 MiB USB drive with a vfat filesystem 12.571
Then I find very few patterns in the guest's memory 3.377 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.263
Then patterns cover at least 75% of the test FS size in the guest's memory 4.716 
Pattern coverage: 88.753% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.784
Then I find very few patterns in the guest's memory after 3 seconds 6.718 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# read cache
When I mount the USB drive again 0.460
And I read the content of the test FS 2.349
Then patterns cover at least 99% of the test FS size in the guest's memory 4.200 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.441
Then I find very few patterns in the guest's memory after 3 seconds 7.284 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:330 1.247
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:21.444
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 8.369
And I prepare Tails for memory erasure tests 0.498
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.927
Then I find very few patterns in the guest's memory 3.380 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.620
Then patterns cover at least 99% of the test FS size in the guest's memory 3.634 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.851
Then I find very few patterns in the guest's memory after 3 seconds 6.218 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# read cache
When I mount the USB drive again 4.443
And I read the content of the test FS 2.938
Then patterns cover at least 99% of the test FS size in the guest's memory 3.796 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.600
Then I find very few patterns in the guest's memory after 3 seconds 6.165 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:330 1.488
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
58.413
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 9.285
And I prepare Tails for memory erasure tests 0.772
When I fill a 128 MiB file with a known pattern on the root filesystem 18.153
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.233
Then patterns cover at least 128 MiB in the guest's memory 6.884 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.045
Then I find very few patterns in the guest's memory after 20 seconds 21.036 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:330 3.517
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:57.295
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 8:9.648
And I prepare Tails for memory erasure tests 0.468
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.840
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.324 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:330 3.542
After features/support/hooks.rb:100 0.012