Project Number Date
test_Tails_ISO_tca-misc-improvements 19 26 Apr 2025, 18:21

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 11:32.498 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
23.329
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 8.202
And I prepare Tails for memory erasure tests 0.423
When I start a process allocating 128 MiB of memory with a known pattern 2.467
Then patterns cover at least 128 MiB in the guest's memory 3.632 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.190
Then I find very few patterns in the guest's memory after 5 seconds 8.413 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:330 0.950
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.278
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 8.189
And I prepare Tails for memory erasure tests 0.457
And I find very few patterns in the guest's memory 3.563 
Pattern coverage: 0.000% (0 MiB out of 921 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.719
Then patterns cover at least 99% of the test FS size in the guest's memory 3.965 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.570
Then I find very few patterns in the guest's memory after 3 seconds 6.813 
Pattern coverage: 0.000% (0 MiB out of 921 MiB reference memory)
After features/support/hooks.rb:330 0.731
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.703
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 7.943
And I prepare Tails for memory erasure tests 0.393
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.956
Then I find very few patterns in the guest's memory 2.991 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.582
Then patterns cover at least 75% of the test FS size in the guest's memory 5.149 
Pattern coverage: 89.947% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.081
Then I find very few patterns in the guest's memory after 3 seconds 7.218 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
# read cache
When I mount the USB drive again 0.291
And I read the content of the test FS 0.974
Then patterns cover at least 99% of the test FS size in the guest's memory 4.218 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.401
Then I find very few patterns in the guest's memory after 3 seconds 6.501 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:330 0.851
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:18.245
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 8.659
And I prepare Tails for memory erasure tests 0.424
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 40.008
Then I find very few patterns in the guest's memory 2.801 
Pattern coverage: 0.000% (0 MiB out of 922 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.739
Then patterns cover at least 99% of the test FS size in the guest's memory 2.734 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.820
Then I find very few patterns in the guest's memory after 3 seconds 6.007 
Pattern coverage: 0.000% (0 MiB out of 922 MiB reference memory)
# read cache
When I mount the USB drive again 4.272
And I read the content of the test FS 0.514
Then patterns cover at least 99% of the test FS size in the guest's memory 3.408 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.892
Then I find very few patterns in the guest's memory after 3 seconds 5.960 
Pattern coverage: 0.000% (0 MiB out of 922 MiB reference memory)
After features/support/hooks.rb:330 1.208
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.152
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 7.958
And I prepare Tails for memory erasure tests 0.446
When I fill a 128 MiB file with a known pattern on the root filesystem 19.167
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.025
Then patterns cover at least 128 MiB in the guest's memory 2.817 
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 20.723 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:330 3.499
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:41.789
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 6:57.862
And I prepare Tails for memory erasure tests 0.481
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.096
When I trigger shutdown 0.023
Then I find very few patterns in the guest's memory after 20 seconds 21.325 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:330 3.577
After features/support/hooks.rb:100 0.013