Project Number Date
test_Tails_ISO_21027-fix-interactive-debugging-context 3 17 Jun 2025, 23:50

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 21:4.927 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
37.803
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 12.628
And I prepare Tails for memory erasure tests 0.947
When I start a process allocating 128 MiB of memory with a known pattern 1.581
Then patterns cover at least 128 MiB in the guest's memory 5.310 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.527
Then I find very few patterns in the guest's memory after 5 seconds 16.807 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:330 1.074
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
39.514
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 8.719
And I prepare Tails for memory erasure tests 1.908
And I find very few patterns in the guest's memory 9.272 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.654
Then patterns cover at least 99% of the test FS size in the guest's memory 4.252 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.395
Then I find very few patterns in the guest's memory after 3 seconds 13.311 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:330 1.107
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:6.460
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 13.077
And I prepare Tails for memory erasure tests 1.296
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.028
Then I find very few patterns in the guest's memory 6.744 
Pattern coverage: 0.000% (0 MiB out of 858 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.451
Then patterns cover at least 75% of the test FS size in the guest's memory 3.526 
Pattern coverage: 85.860% (109 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.807
Then I find very few patterns in the guest's memory after 3 seconds 10.614 
Pattern coverage: 0.000% (0 MiB out of 858 MiB reference memory)
# read cache
When I mount the USB drive again 0.526
And I read the content of the test FS 1.745
Then patterns cover at least 99% of the test FS size in the guest's memory 5.641 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.353
Then I find very few patterns in the guest's memory after 3 seconds 6.643 
Pattern coverage: 0.000% (0 MiB out of 858 MiB reference memory)
After features/support/hooks.rb:330 3.604
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
1:53.974
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.029
Given I have started Tails from DVD without network and logged in 12.514
And I prepare Tails for memory erasure tests 0.473
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 57.996
Then I find very few patterns in the guest's memory 2.772 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.897
Then patterns cover at least 99% of the test FS size in the guest's memory 7.891 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.402
Then I find very few patterns in the guest's memory after 3 seconds 5.366 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
# read cache
When I mount the USB drive again 5.570
And I read the content of the test FS 0.865
Then patterns cover at least 99% of the test FS size in the guest's memory 10.857 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.633
Then I find very few patterns in the guest's memory after 3 seconds 5.732 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
After features/support/hooks.rb:330 2.162
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:5.595
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 15.411
And I prepare Tails for memory erasure tests 0.712
When I fill a 128 MiB file with a known pattern on the root filesystem 18.894
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.364
Then patterns cover at least 128 MiB in the guest's memory 3.297 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.021
Then I find very few patterns in the guest's memory after 20 seconds 24.892 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
After features/support/hooks.rb:330 4.163
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
15:41.578
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 14:51.282
And I prepare Tails for memory erasure tests 2.493
When I fill a 128 MiB file with a known pattern on the persistent filesystem 26.130
When I trigger shutdown 0.035
Then I find very few patterns in the guest's memory after 20 seconds 21.635 
Pattern coverage: 0.000% (0 MiB out of 921 MiB reference memory)
After features/support/hooks.rb:330 3.593
After features/support/hooks.rb:100 0.014