Project Number Date
test_Tails_ISO_tca-remove-cruft 4 11 May 2025, 09:50

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 10:53.729 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
24.614
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 8.074
And I prepare Tails for memory erasure tests 0.407
When I start a process allocating 128 MiB of memory with a known pattern 2.286
Then patterns cover at least 128 MiB in the guest's memory 3.520 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.915
Then I find very few patterns in the guest's memory after 5 seconds 9.409 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:330 0.847
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
28.945
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 8.081
And I prepare Tails for memory erasure tests 0.401
And I find very few patterns in the guest's memory 3.249 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 6.062
Then patterns cover at least 99% of the test FS size in the guest's memory 4.117 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.762
Then I find very few patterns in the guest's memory after 3 seconds 6.271 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:330 0.670
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.335
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 8.050
And I prepare Tails for memory erasure tests 0.423
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.017
Then I find very few patterns in the guest's memory 3.483 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.560
Then patterns cover at least 75% of the test FS size in the guest's memory 4.099 
Pattern coverage: 88.395% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.250
Then I find very few patterns in the guest's memory after 3 seconds 6.495 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# read cache
When I mount the USB drive again 0.270
And I read the content of the test FS 0.627
Then patterns cover at least 99% of the test FS size in the guest's memory 3.911 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.491
Then I find very few patterns in the guest's memory after 3 seconds 6.652 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:330 0.780
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:12.985
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 7.892
And I prepare Tails for memory erasure tests 0.427
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.832
Then I find very few patterns in the guest's memory 2.602 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.554
Then patterns cover at least 99% of the test FS size in the guest's memory 2.891 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.783
Then I find very few patterns in the guest's memory after 3 seconds 5.932 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# read cache
When I mount the USB drive again 6.119
And I read the content of the test FS 0.682
Then patterns cover at least 99% of the test FS size in the guest's memory 3.477 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.838
Then I find very few patterns in the guest's memory after 3 seconds 5.950 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:330 1.515
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.778
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 7.937
And I prepare Tails for memory erasure tests 0.396
When I fill a 128 MiB file with a known pattern on the root filesystem 15.225
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.816
Then patterns cover at least 128 MiB in the guest's memory 2.724 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 20.662 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 3.529
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:10.069
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 6:22.580
And I prepare Tails for memory erasure tests 1.158
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.142
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.175 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 3.516
After features/support/hooks.rb:100 0.011