Project Number Date
test_Tails_ISO_stable 5279 20 Nov 2024, 12:45

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 11:55.491 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
25.124
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 9.559
And I prepare Tails for memory erasure tests 0.870
When I start a process allocating 128 MiB of memory with a known pattern 2.470
Then patterns cover at least 128 MiB in the guest's memory 4.380 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.079
Then I find very few patterns in the guest's memory after 3 seconds 6.764 
Pattern coverage: 0.000% (0 MiB out of 865 MiB reference memory)
After features/support/hooks.rb:326 1.077
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.881
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.557
And I prepare Tails for memory erasure tests 0.975
And I find very few patterns in the guest's memory 4.216 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.908
Then patterns cover at least 99% of the test FS size in the guest's memory 4.226 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.807
Then I find very few patterns in the guest's memory after 3 seconds 7.188 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
After features/support/hooks.rb:326 1.928
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
57.826
Before features/support/hooks.rb:269 0.007
Given I have started Tails from DVD without network and logged in 9.167
And I prepare Tails for memory erasure tests 0.762
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.163
Then I find very few patterns in the guest's memory 4.903 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.822
Then patterns cover at least 75% of the test FS size in the guest's memory 5.084 
Pattern coverage: 87.945% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 4.389
Then I find very few patterns in the guest's memory after 3 seconds 6.550 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
# read cache
When I mount the USB drive again 0.553
And I read the content of the test FS 1.635
Then patterns cover at least 99% of the test FS size in the guest's memory 3.723 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.045
Then I find very few patterns in the guest's memory after 3 seconds 7.025 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
After features/support/hooks.rb:326 1.446
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:23.160
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.689
And I prepare Tails for memory erasure tests 0.776
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.529
Then I find very few patterns in the guest's memory 5.472 
Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.395
Then patterns cover at least 99% of the test FS size in the guest's memory 5.536 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.923
Then I find very few patterns in the guest's memory after 3 seconds 6.155 
Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)
# read cache
When I mount the USB drive again 5.368
And I read the content of the test FS 0.556
Then patterns cover at least 99% of the test FS size in the guest's memory 4.585 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.259
Then I find very few patterns in the guest's memory after 3 seconds 5.910 
Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)
After features/support/hooks.rb:326 2.182
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.450
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.363
And I prepare Tails for memory erasure tests 0.903
When I fill a 128 MiB file with a known pattern on the root filesystem 16.052
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.003
Then patterns cover at least 128 MiB in the guest's memory 3.159 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.019
Then I find very few patterns in the guest's memory after 20 seconds 20.948 
Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)
After features/support/hooks.rb:326 3.595
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:50.046
Before features/support/hooks.rb:269 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:3.851
And I prepare Tails for memory erasure tests 0.401
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.360
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 21.414 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
After features/support/hooks.rb:326 3.547
After features/support/hooks.rb:100 0.012