Project Number Date
test_Tails_ISO_devel 3876 19 Jun 2025, 11:30

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 14:47.016 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
37.145
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 12.161
And I prepare Tails for memory erasure tests 3.013
When I start a process allocating 128 MiB of memory with a known pattern 2.956
Then patterns cover at least 128 MiB in the guest's memory 4.319 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.627
Then I find very few patterns in the guest's memory after 5 seconds 14.067 
Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)
After features/support/hooks.rb:330 1.926
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
33.866
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 9.551
And I prepare Tails for memory erasure tests 0.556
And I find very few patterns in the guest's memory 9.568 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.161
Then patterns cover at least 99% of the test FS size in the guest's memory 3.049 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.443
Then I find very few patterns in the guest's memory after 3 seconds 8.534 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:330 2.406
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:12.061
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.009
Given I have started Tails from DVD without network and logged in 14.367
And I prepare Tails for memory erasure tests 0.512
When I plug and mount a 128 MiB USB drive with a vfat filesystem 14.698
Then I find very few patterns in the guest's memory 3.408 
Pattern coverage: 0.000% (0 MiB out of 859 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 6.602
Then patterns cover at least 75% of the test FS size in the guest's memory 7.446 
Pattern coverage: 89.344% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.096
Then I find very few patterns in the guest's memory after 3 seconds 5.916 
Pattern coverage: 0.000% (0 MiB out of 859 MiB reference memory)
# read cache
When I mount the USB drive again 0.324
And I read the content of the test FS 0.546
Then patterns cover at least 99% of the test FS size in the guest's memory 10.344 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.057
Then I find very few patterns in the guest's memory after 3 seconds 5.740 
Pattern coverage: 0.000% (0 MiB out of 859 MiB reference memory)
After features/support/hooks.rb:330 1.225
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
1:50.676
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.006
Given I have started Tails from DVD without network and logged in 16.310
And I prepare Tails for memory erasure tests 0.465
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 51.227
Then I find very few patterns in the guest's memory 4.157 
Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.038
Then patterns cover at least 99% of the test FS size in the guest's memory 2.874 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.680
Then I find very few patterns in the guest's memory after 3 seconds 10.338 
Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)
# read cache
When I mount the USB drive again 6.597
And I read the content of the test FS 0.430
Then patterns cover at least 99% of the test FS size in the guest's memory 2.927 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.782
Then I find very few patterns in the guest's memory after 3 seconds 11.845 
Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)
After features/support/hooks.rb:330 1.518
After features/support/hooks.rb:100 0.008
Tags: @product @slow @not_release_blocker
1:0.816
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.006
Given I have started Tails from DVD without network and logged in 9.406
And I prepare Tails for memory erasure tests 1.919
When I fill a 128 MiB file with a known pattern on the root filesystem 16.394
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.552
Then patterns cover at least 128 MiB in the guest's memory 9.837 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 20.690 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 3.510
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
9:32.450
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 8:39.035
And I prepare Tails for memory erasure tests 0.469
When I fill a 128 MiB file with a known pattern on the persistent filesystem 29.641
When I trigger shutdown 0.110
Then I find very few patterns in the guest's memory after 20 seconds 23.193 
Pattern coverage: 0.000% (0 MiB out of 911 MiB reference memory)
After features/support/hooks.rb:330 4.255
After features/support/hooks.rb:100 0.012