Project Number Date
test_Tails_ISO_stable 5044 25 Aug 2024, 12:21

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 11:7.442 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
24.285
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.684
And I prepare Tails for memory erasure tests 0.687
When I start a process allocating 128 MiB of memory with a known pattern 2.449
Then patterns cover at least 128 MiB in the guest's memory 4.161 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.332
Then I find very few patterns in the guest's memory after 3 seconds 5.970 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:326 0.799
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.501
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.225
And I prepare Tails for memory erasure tests 0.453
And I find very few patterns in the guest's memory 3.698 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.318
Then patterns cover at least 99% of the test FS size in the guest's memory 3.093 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.916
Then I find very few patterns in the guest's memory after 3 seconds 5.794 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:326 0.757
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.470
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.147
And I prepare Tails for memory erasure tests 0.459
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.169
Then I find very few patterns in the guest's memory 2.806 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.615
Then patterns cover at least 75% of the test FS size in the guest's memory 3.471 
Pattern coverage: 89.340% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.561
Then I find very few patterns in the guest's memory after 3 seconds 6.412 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# read cache
When I mount the USB drive again 0.366
And I read the content of the test FS 0.482
Then patterns cover at least 99% of the test FS size in the guest's memory 3.852 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.157
Then I find very few patterns in the guest's memory after 3 seconds 6.968 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:326 0.904
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:12.115
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.356
And I prepare Tails for memory erasure tests 0.450
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.602
Then I find very few patterns in the guest's memory 2.888 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.061
Then patterns cover at least 99% of the test FS size in the guest's memory 2.784 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.016
Then I find very few patterns in the guest's memory after 3 seconds 5.298 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# read cache
When I mount the USB drive again 5.886
And I read the content of the test FS 0.527
Then patterns cover at least 99% of the test FS size in the guest's memory 3.155 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.743
Then I find very few patterns in the guest's memory after 3 seconds 5.344 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 0.976
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.225
Before features/support/hooks.rb:269 0.008
Given I have started Tails from DVD without network and logged in 8.454
And I prepare Tails for memory erasure tests 0.478
When I fill a 128 MiB file with a known pattern on the root filesystem 14.005
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.185
Then patterns cover at least 128 MiB in the guest's memory 2.367 
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 20.722 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
After features/support/hooks.rb:326 3.618
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:28.842
Before features/support/hooks.rb:269 0.004
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:44.667
And I prepare Tails for memory erasure tests 0.474
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.358
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.330 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 3.541
After features/support/hooks.rb:100 0.012