Project Number Date
test_Tails_ISO_19139-arti-1.4.2 9 25 Apr 2025, 03:53

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 10:50.616 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
23.806
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 8.039
And I prepare Tails for memory erasure tests 0.387
When I start a process allocating 128 MiB of memory with a known pattern 2.411
Then patterns cover at least 128 MiB in the guest's memory 3.238 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.952
Then I find very few patterns in the guest's memory after 5 seconds 8.776 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:330 0.720
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.009
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 8.639
And I prepare Tails for memory erasure tests 0.723
And I find very few patterns in the guest's memory 3.508 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 4.022
Then patterns cover at least 99% of the test FS size in the guest's memory 3.501 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.512
Then I find very few patterns in the guest's memory after 3 seconds 6.101 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:330 0.789
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
46.197
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 7.953
And I prepare Tails for memory erasure tests 0.380
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.897
Then I find very few patterns in the guest's memory 3.095 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.370
Then patterns cover at least 75% of the test FS size in the guest's memory 4.149 
Pattern coverage: 90.703% (115 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.058
Then I find very few patterns in the guest's memory after 3 seconds 5.711 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
# read cache
When I mount the USB drive again 0.198
And I read the content of the test FS 0.461
Then patterns cover at least 99% of the test FS size in the guest's memory 3.685 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.446
Then I find very few patterns in the guest's memory after 3 seconds 6.788 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:330 1.084
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:13.600
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 7.991
And I prepare Tails for memory erasure tests 0.402
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.655
Then I find very few patterns in the guest's memory 3.090 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.022
Then patterns cover at least 99% of the test FS size in the guest's memory 3.356 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.748
Then I find very few patterns in the guest's memory after 3 seconds 5.588 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# read cache
When I mount the USB drive again 6.585
And I read the content of the test FS 0.590
Then patterns cover at least 99% of the test FS size in the guest's memory 2.869 
Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.697
Then I find very few patterns in the guest's memory after 3 seconds 6.002 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 1.274
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.096
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 8.098
And I prepare Tails for memory erasure tests 0.398
When I fill a 128 MiB file with a known pattern on the root filesystem 13.901
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.327
Then patterns cover at least 128 MiB in the guest's memory 2.624 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 20.730 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:330 3.464
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:11.905
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 6:23.324
And I prepare Tails for memory erasure tests 0.376
When I fill a 128 MiB file with a known pattern on the persistent filesystem 27.081
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.111 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:330 3.490
After features/support/hooks.rb:100 0.011