Project Number Date
test_Tails_ISO_stable 5394 15 Jan 2025, 17:07

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 11:22.266 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
22.616
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.549
And I prepare Tails for memory erasure tests 0.739
When I start a process allocating 128 MiB of memory with a known pattern 2.372
Then patterns cover at least 128 MiB in the guest's memory 3.772 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.256
Then I find very few patterns in the guest's memory after 3 seconds 5.926 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:326 1.739
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
28.065
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.716
And I prepare Tails for memory erasure tests 0.444
And I find very few patterns in the guest's memory 4.614 
Pattern coverage: 0.000% (0 MiB out of 876 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 3.592 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.777
Then I find very few patterns in the guest's memory after 3 seconds 6.848 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:326 1.828
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.347
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.378
And I prepare Tails for memory erasure tests 0.483
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.266
Then I find very few patterns in the guest's memory 3.763 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.060
Then patterns cover at least 75% of the test FS size in the guest's memory 4.460 
Pattern coverage: 92.794% (118 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.924
Then I find very few patterns in the guest's memory after 3 seconds 5.928 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# read cache
When I mount the USB drive again 2.485
And I read the content of the test FS 2.572
Then patterns cover at least 99% of the test FS size in the guest's memory 3.110 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.077
Then I find very few patterns in the guest's memory after 3 seconds 5.837 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:326 2.533
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:21.878
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.736
And I prepare Tails for memory erasure tests 0.483
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.979
Then I find very few patterns in the guest's memory 3.244 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.273
Then patterns cover at least 99% of the test FS size in the guest's memory 4.316 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.223
Then I find very few patterns in the guest's memory after 3 seconds 6.388 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
# read cache
When I mount the USB drive again 5.989
And I read the content of the test FS 0.532
Then patterns cover at least 99% of the test FS size in the guest's memory 3.635 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.017
Then I find very few patterns in the guest's memory after 3 seconds 6.058 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
After features/support/hooks.rb:326 1.698
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.924
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.114
And I prepare Tails for memory erasure tests 0.544
When I fill a 128 MiB file with a known pattern on the root filesystem 19.361
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.756
Then patterns cover at least 128 MiB in the guest's memory 3.190 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 20.942 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:326 3.585
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:21.433
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 6:36.071
And I prepare Tails for memory erasure tests 0.945
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.279
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.118 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:326 3.530
After features/support/hooks.rb:100 0.014