Project Number Date
test_Tails_ISO_devel 3688 12 Feb 2025, 21:42

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 12:29.506 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
26.015
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.141
And I prepare Tails for memory erasure tests 0.535
When I start a process allocating 128 MiB of memory with a known pattern 2.768
Then patterns cover at least 128 MiB in the guest's memory 3.684 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.878
Then I find very few patterns in the guest's memory after 5 seconds 9.006 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:326 2.040
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.250
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.539
And I prepare Tails for memory erasure tests 0.489
And I find very few patterns in the guest's memory 3.772 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.625
Then patterns cover at least 99% of the test FS size in the guest's memory 3.812 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.147
Then I find very few patterns in the guest's memory after 3 seconds 6.862 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
After features/support/hooks.rb:326 1.356
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.087
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.615
And I prepare Tails for memory erasure tests 0.414
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.219
Then I find very few patterns in the guest's memory 3.793 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.965
Then patterns cover at least 75% of the test FS size in the guest's memory 4.919 
Pattern coverage: 88.964% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.480
Then I find very few patterns in the guest's memory after 3 seconds 8.414 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
# read cache
When I mount the USB drive again 0.258
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 3.611 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.688
Then I find very few patterns in the guest's memory after 3 seconds 8.190 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:326 1.919
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:23.471
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.514
And I prepare Tails for memory erasure tests 0.458
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.294
Then I find very few patterns in the guest's memory 2.505 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.328
Then patterns cover at least 99% of the test FS size in the guest's memory 6.319 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.752
Then I find very few patterns in the guest's memory after 3 seconds 5.441 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# read cache
When I mount the USB drive again 6.472
And I read the content of the test FS 0.628
Then patterns cover at least 99% of the test FS size in the guest's memory 2.643 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 2.682
Then I find very few patterns in the guest's memory after 3 seconds 6.430 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:326 0.859
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.057
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.076
And I prepare Tails for memory erasure tests 0.520
When I fill a 128 MiB file with a known pattern on the root filesystem 18.471
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.514
Then patterns cover at least 128 MiB in the guest's memory 2.487 
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 20.966 
Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)
After features/support/hooks.rb:326 3.598
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:23.625
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 7:35.823
And I prepare Tails for memory erasure tests 0.456
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.851
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.478 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:326 3.553
After features/support/hooks.rb:100 0.012