Project Number Date
test_Tails_ISO_simplify-build-memory-requirements 3 14 May 2025, 22:22

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 10:56.953 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
25.481
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 8.452
And I prepare Tails for memory erasure tests 0.519
When I start a process allocating 128 MiB of memory with a known pattern 3.664
Then patterns cover at least 128 MiB in the guest's memory 3.364 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.102
Then I find very few patterns in the guest's memory after 5 seconds 8.376 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:330 0.831
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.035
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 0.431
And I find very few patterns in the guest's memory 3.599 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.697
Then patterns cover at least 99% of the test FS size in the guest's memory 3.932 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.701
Then I find very few patterns in the guest's memory after 3 seconds 6.703 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 0.671
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.272
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 7.990
And I prepare Tails for memory erasure tests 0.409
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.063
Then I find very few patterns in the guest's memory 3.789 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.618
Then patterns cover at least 75% of the test FS size in the guest's memory 4.121 
Pattern coverage: 90.544% (115 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.260
Then I find very few patterns in the guest's memory after 3 seconds 6.118 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# read cache
When I mount the USB drive again 0.208
And I read the content of the test FS 0.638
Then patterns cover at least 99% of the test FS size in the guest's memory 3.847 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.541
Then I find very few patterns in the guest's memory after 3 seconds 6.662 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:330 0.906
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:11.532
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 8.170
And I prepare Tails for memory erasure tests 0.471
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.717
Then I find very few patterns in the guest's memory 2.630 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.933
Then patterns cover at least 99% of the test FS size in the guest's memory 2.681 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.674
Then I find very few patterns in the guest's memory after 3 seconds 5.924 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# read cache
When I mount the USB drive again 5.167
And I read the content of the test FS 0.389
Then patterns cover at least 99% of the test FS size in the guest's memory 3.344 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.401
Then I find very few patterns in the guest's memory after 3 seconds 6.025 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:330 1.544
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.895
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 8.054
And I prepare Tails for memory erasure tests 0.419
When I fill a 128 MiB file with a known pattern on the root filesystem 15.061
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.641
Then patterns cover at least 128 MiB in the guest's memory 2.812 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.892 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 3.483
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:16.736
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 6:33.901
And I prepare Tails for memory erasure tests 0.453
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.195
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.174 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
After features/support/hooks.rb:330 3.526
After features/support/hooks.rb:100 0.011