Project Number Date
test_Tails_ISO_stable 5672 23 May 2025, 12:38

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 10:51.794 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
22.120
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 8.340
And I prepare Tails for memory erasure tests 0.381
When I start a process allocating 128 MiB of memory with a known pattern 1.204
Then patterns cover at least 128 MiB in the guest's memory 3.448 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.439
Then I find very few patterns in the guest's memory after 5 seconds 8.305 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:330 0.741
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
23.714
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 7.948
And I prepare Tails for memory erasure tests 0.421
And I find very few patterns in the guest's memory 3.305 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.864
Then patterns cover at least 99% of the test FS size in the guest's memory 3.597 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.511
Then I find very few patterns in the guest's memory after 3 seconds 6.067 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
After features/support/hooks.rb:330 0.750
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
44.511
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 8.056
And I prepare Tails for memory erasure tests 0.437
When I plug and mount a 128 MiB USB drive with a vfat filesystem 8.866
Then I find very few patterns in the guest's memory 2.875 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.404
Then patterns cover at least 75% of the test FS size in the guest's memory 3.795 
Pattern coverage: 84.641% (108 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.962
Then I find very few patterns in the guest's memory after 3 seconds 6.155 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
# read cache
When I mount the USB drive again 0.390
And I read the content of the test FS 0.630
Then patterns cover at least 99% of the test FS size in the guest's memory 3.535 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.409
Then I find very few patterns in the guest's memory after 3 seconds 5.992 
Pattern coverage: 0.000% (0 MiB out of 905 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
1:11.063
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 8.065
And I prepare Tails for memory erasure tests 0.421
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.004
Then I find very few patterns in the guest's memory 3.150 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.709
Then patterns cover at least 99% of the test FS size in the guest's memory 3.332 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.591
Then I find very few patterns in the guest's memory after 3 seconds 5.712 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
# read cache
When I mount the USB drive again 3.821
And I read the content of the test FS 0.565
Then patterns cover at least 99% of the test FS size in the guest's memory 3.207 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.751
Then I find very few patterns in the guest's memory after 3 seconds 5.729 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:330 1.651
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.220
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 8.090
And I prepare Tails for memory erasure tests 0.434
When I fill a 128 MiB file with a known pattern on the root filesystem 16.050
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.134
Then patterns cover at least 128 MiB in the guest's memory 2.626 
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 20.871 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:330 3.470
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:20.163
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 6:36.774
And I prepare Tails for memory erasure tests 0.593
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.524
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.258 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:330 3.552
After features/support/hooks.rb:100 0.010