Project Number Date
test_Tails_ISO_feature-arti 31 17 Apr 2025, 16:58

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 11:2.378 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
22.528
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 7.949
And I prepare Tails for memory erasure tests 0.385
When I start a process allocating 128 MiB of memory with a known pattern 1.225
Then patterns cover at least 128 MiB in the guest's memory 3.590 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.684
Then I find very few patterns in the guest's memory after 5 seconds 8.693 
Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)
After features/support/hooks.rb:330 0.802
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.081
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 8.296
And I prepare Tails for memory erasure tests 0.420
And I find very few patterns in the guest's memory 3.565 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.284
Then patterns cover at least 99% of the test FS size in the guest's memory 3.993 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.916
Then I find very few patterns in the guest's memory after 3 seconds 6.604 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
After features/support/hooks.rb:330 0.725
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.169
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 8.284
And I prepare Tails for memory erasure tests 0.387
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.100
Then I find very few patterns in the guest's memory 3.162 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.781
Then patterns cover at least 75% of the test FS size in the guest's memory 4.961 
Pattern coverage: 91.835% (117 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.219
Then I find very few patterns in the guest's memory after 3 seconds 6.162 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# read cache
When I mount the USB drive again 0.201
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 3.323 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.501
Then I find very few patterns in the guest's memory after 3 seconds 6.399 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:330 0.839
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:18.693
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 0.373
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.331
Then I find very few patterns in the guest's memory 2.292 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.659
Then patterns cover at least 99% of the test FS size in the guest's memory 3.159 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.717
Then I find very few patterns in the guest's memory after 3 seconds 5.938 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# read cache
When I mount the USB drive again 8.807
And I read the content of the test FS 0.443
Then patterns cover at least 99% of the test FS size in the guest's memory 3.687 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.719
Then I find very few patterns in the guest's memory after 3 seconds 6.609 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:330 1.687
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.937
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 7.915
And I prepare Tails for memory erasure tests 0.401
When I fill a 128 MiB file with a known pattern on the root filesystem 18.208
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.090
Then patterns cover at least 128 MiB in the guest's memory 2.590 
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 20.717 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:330 3.501
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:14.967
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 6:32.540
And I prepare Tails for memory erasure tests 0.463
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.893
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.057 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 3.564
After features/support/hooks.rb:100 0.014