Project Number Date
test_Tails_ISO_stable 5589 23 Apr 2025, 13:38

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 11:23.478 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
26.865
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 8.817
And I prepare Tails for memory erasure tests 0.497
When I start a process allocating 128 MiB of memory with a known pattern 2.495
Then patterns cover at least 128 MiB in the guest's memory 5.098 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.014
Then I find very few patterns in the guest's memory after 5 seconds 8.942 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:330 1.025
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.921
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 9.510
And I prepare Tails for memory erasure tests 0.463
And I find very few patterns in the guest's memory 3.866 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.617
Then patterns cover at least 99% of the test FS size in the guest's memory 4.988 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.486
Then I find very few patterns in the guest's memory after 3 seconds 6.988 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:330 0.765
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.592
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 9.082
And I prepare Tails for memory erasure tests 0.463
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.303
Then I find very few patterns in the guest's memory 4.253 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.034
Then patterns cover at least 75% of the test FS size in the guest's memory 4.558 
Pattern coverage: 86.668% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.174
Then I find very few patterns in the guest's memory after 3 seconds 6.851 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# read cache
When I mount the USB drive again 0.356
And I read the content of the test FS 0.581
Then patterns cover at least 99% of the test FS size in the guest's memory 3.791 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.343
Then I find very few patterns in the guest's memory after 3 seconds 6.797 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:330 1.208
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
1:22.031
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.012
Given I have started Tails from DVD without network and logged in 9.043
And I prepare Tails for memory erasure tests 0.469
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.747
Then I find very few patterns in the guest's memory 3.708 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.957
Then patterns cover at least 99% of the test FS size in the guest's memory 3.927 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.933
Then I find very few patterns in the guest's memory after 3 seconds 6.652 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# read cache
When I mount the USB drive again 4.358
And I read the content of the test FS 0.764
Then patterns cover at least 99% of the test FS size in the guest's memory 3.681 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.563
Then I find very few patterns in the guest's memory after 3 seconds 6.224 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 1.558
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.893
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 8.312
And I prepare Tails for memory erasure tests 0.437
When I fill a 128 MiB file with a known pattern on the root filesystem 14.654
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.188
Then patterns cover at least 128 MiB in the guest's memory 3.388 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.898 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:330 3.538
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:25.174
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 6:39.810
And I prepare Tails for memory erasure tests 0.473
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.517
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.357 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 3.499
After features/support/hooks.rb:100 0.011