Project Number Date
test_Tails_ISO_stable 5368 06 Jan 2025, 12:28

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 10:52.876 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
20.233
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.974
And I prepare Tails for memory erasure tests 0.398
When I start a process allocating 128 MiB of memory with a known pattern 1.208
Then patterns cover at least 128 MiB in the guest's memory 3.254 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.521
Then I find very few patterns in the guest's memory after 3 seconds 5.875 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:326 0.808
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
22.653
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.001
And I prepare Tails for memory erasure tests 0.387
And I find very few patterns in the guest's memory 2.786 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.996
Then patterns cover at least 99% of the test FS size in the guest's memory 3.132 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.650
Then I find very few patterns in the guest's memory after 3 seconds 5.698 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:326 0.895
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
47.696
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.078
And I prepare Tails for memory erasure tests 0.387
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.988
Then I find very few patterns in the guest's memory 2.679 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.109
Then patterns cover at least 75% of the test FS size in the guest's memory 3.276 
Pattern coverage: 84.905% (108 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.462
Then I find very few patterns in the guest's memory after 3 seconds 6.813 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# read cache
When I mount the USB drive again 0.431
And I read the content of the test FS 0.520
Then patterns cover at least 99% of the test FS size in the guest's memory 3.956 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.687
Then I find very few patterns in the guest's memory after 3 seconds 6.305 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 0.895
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.252
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.041
And I prepare Tails for memory erasure tests 0.420
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.545
Then I find very few patterns in the guest's memory 2.418 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.426
Then patterns cover at least 99% of the test FS size in the guest's memory 2.795 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.973
Then I find very few patterns in the guest's memory after 3 seconds 5.372 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# read cache
When I mount the USB drive again 5.099
And I read the content of the test FS 0.473
Then patterns cover at least 99% of the test FS size in the guest's memory 2.684 
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 5.317 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:326 0.885
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.429
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.835
And I prepare Tails for memory erasure tests 0.384
When I fill a 128 MiB file with a known pattern on the root filesystem 15.678
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.968
Then patterns cover at least 128 MiB in the guest's memory 2.471 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.027
Then I find very few patterns in the guest's memory after 20 seconds 21.063 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:326 3.463
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:16.611
Before features/support/hooks.rb:269 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:32.869
And I prepare Tails for memory erasure tests 0.395
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.118
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.213 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:326 3.581
After features/support/hooks.rb:100 0.011