Project Number Date
test_Tails_ISO_feature-arti 8 25 Mar 2025, 17:22

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 11:32.627 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
22.632
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 8.282
And I prepare Tails for memory erasure tests 0.416
When I start a process allocating 128 MiB of memory with a known pattern 1.514
Then patterns cover at least 128 MiB in the guest's memory 3.646 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.880
Then I find very few patterns in the guest's memory after 5 seconds 7.891 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:330 0.678
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
28.291
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 8.938
And I prepare Tails for memory erasure tests 0.497
And I find very few patterns in the guest's memory 5.301 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.543
Then patterns cover at least 99% of the test FS size in the guest's memory 4.880 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.349
Then I find very few patterns in the guest's memory after 3 seconds 6.779 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:330 0.746
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.248
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 8.485
And I prepare Tails for memory erasure tests 0.675
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.303
Then I find very few patterns in the guest's memory 4.243 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.455
Then patterns cover at least 75% of the test FS size in the guest's memory 3.774 
Pattern coverage: 87.464% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.953
Then I find very few patterns in the guest's memory after 3 seconds 6.407 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# read cache
When I mount the USB drive again 0.231
And I read the content of the test FS 0.621
Then patterns cover at least 99% of the test FS size in the guest's memory 4.012 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.526
Then I find very few patterns in the guest's memory after 3 seconds 6.559 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 0.844
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:13.270
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 8.665
And I prepare Tails for memory erasure tests 0.541
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.325
Then I find very few patterns in the guest's memory 3.002 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.973
Then patterns cover at least 99% of the test FS size in the guest's memory 3.393 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.716
Then I find very few patterns in the guest's memory after 3 seconds 6.058 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# read cache
When I mount the USB drive again 4.610
And I read the content of the test FS 0.624
Then patterns cover at least 99% of the test FS size in the guest's memory 3.602 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.548
Then I find very few patterns in the guest's memory after 3 seconds 6.208 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 1.331
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.869
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 9.221
And I prepare Tails for memory erasure tests 0.495
When I fill a 128 MiB file with a known pattern on the root filesystem 19.211
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.949
Then patterns cover at least 128 MiB in the guest's memory 3.065 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.912 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:330 3.570
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:44.314
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:58.652
And I prepare Tails for memory erasure tests 0.535
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.827
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.287 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
After features/support/hooks.rb:330 3.554
After features/support/hooks.rb:100 0.013