Project Number Date
test_Tails_ISO_stable 5216 24 Oct 2024, 08:42

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 11:15.298 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
23.606
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.205
And I prepare Tails for memory erasure tests 0.456
When I start a process allocating 128 MiB of memory with a known pattern 3.825
Then patterns cover at least 128 MiB in the guest's memory 3.657 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.646
Then I find very few patterns in the guest's memory after 3 seconds 5.815 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:326 1.839
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.649
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.225
And I prepare Tails for memory erasure tests 0.599
And I find very few patterns in the guest's memory 3.044 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.070
Then patterns cover at least 99% of the test FS size in the guest's memory 3.589 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.733
Then I find very few patterns in the guest's memory after 3 seconds 6.387 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:326 1.733
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.192
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.849
And I prepare Tails for memory erasure tests 0.435
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.315
Then I find very few patterns in the guest's memory 3.499 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.555
Then patterns cover at least 75% of the test FS size in the guest's memory 3.145 
Pattern coverage: 90.381% (115 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.469
Then I find very few patterns in the guest's memory after 3 seconds 5.926 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# read cache
When I mount the USB drive again 0.258
And I read the content of the test FS 0.491
Then patterns cover at least 99% of the test FS size in the guest's memory 4.117 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.441
Then I find very few patterns in the guest's memory after 3 seconds 6.686 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:326 2.033
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:14.584
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.077
And I prepare Tails for memory erasure tests 0.489
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.210
Then I find very few patterns in the guest's memory 2.637 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.528
Then patterns cover at least 99% of the test FS size in the guest's memory 2.788 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.869
Then I find very few patterns in the guest's memory after 3 seconds 5.355 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
# read cache
When I mount the USB drive again 5.005
And I read the content of the test FS 0.492
Then patterns cover at least 99% of the test FS size in the guest's memory 2.800 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.684
Then I find very few patterns in the guest's memory after 3 seconds 5.643 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
After features/support/hooks.rb:326 0.871
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
57.287
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.895
And I prepare Tails for memory erasure tests 0.449
When I fill a 128 MiB file with a known pattern on the root filesystem 20.179
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 5.285
Then patterns cover at least 128 MiB in the guest's memory 2.769 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.695 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:326 3.507
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:26.978
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 6:43.952
And I prepare Tails for memory erasure tests 0.370
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.352
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.291 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:326 3.478
After features/support/hooks.rb:100 0.011