Project Number Date
test_Tails_ISO_feature-arti 86 09 Jun 2025, 16:33

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 11:20.232 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
23.656
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 8.267
And I prepare Tails for memory erasure tests 0.453
When I start a process allocating 128 MiB of memory with a known pattern 1.240
Then patterns cover at least 128 MiB in the guest's memory 3.650 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.127
Then I find very few patterns in the guest's memory after 5 seconds 8.916 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:330 0.943
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.842
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 8.245
And I prepare Tails for memory erasure tests 0.435
And I find very few patterns in the guest's memory 3.790 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.849
Then patterns cover at least 99% of the test FS size in the guest's memory 4.118 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.697
Then I find very few patterns in the guest's memory after 3 seconds 6.704 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 0.752
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.700
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 8.151
And I prepare Tails for memory erasure tests 0.445
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.175
Then I find very few patterns in the guest's memory 3.821 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 5.018
Then patterns cover at least 75% of the test FS size in the guest's memory 4.082 
Pattern coverage: 85.153% (108 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.260
Then I find very few patterns in the guest's memory after 3 seconds 6.671 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# read cache
When I mount the USB drive again 0.267
And I read the content of the test FS 0.526
Then patterns cover at least 99% of the test FS size in the guest's memory 3.992 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.385
Then I find very few patterns in the guest's memory after 3 seconds 5.900 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:330 0.991
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:15.862
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 7.960
And I prepare Tails for memory erasure tests 0.380
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.014
Then I find very few patterns in the guest's memory 3.078 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.910
Then patterns cover at least 99% of the test FS size in the guest's memory 3.586 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.754
Then I find very few patterns in the guest's memory after 3 seconds 5.965 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# read cache
When I mount the USB drive again 3.859
And I read the content of the test FS 0.476
Then patterns cover at least 99% of the test FS size in the guest's memory 3.300 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.586
Then I find very few patterns in the guest's memory after 3 seconds 5.987 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:330 1.246
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
47.921
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 8.088
And I prepare Tails for memory erasure tests 0.399
When I fill a 128 MiB file with a known pattern on the root filesystem 14.231
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.776
Then patterns cover at least 128 MiB in the guest's memory 2.643 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.770 
Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)
After features/support/hooks.rb:330 3.556
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:37.248
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 6:48.938
And I prepare Tails for memory erasure tests 0.679
When I fill a 128 MiB file with a known pattern on the persistent filesystem 26.489
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.127 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:330 3.553
After features/support/hooks.rb:100 0.012