Project Number Date
test_Tails_ISO_devel 3736 13 Mar 2025, 10:09

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 11:40.476 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
27.487
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 8.948
And I prepare Tails for memory erasure tests 0.935
When I start a process allocating 128 MiB of memory with a known pattern 3.781
Then patterns cover at least 128 MiB in the guest's memory 4.495 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.320
Then I find very few patterns in the guest's memory after 5 seconds 8.007 
Pattern coverage: 0.000% (0 MiB out of 861 MiB reference memory)
After features/support/hooks.rb:330 1.225
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.809
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 8.552
And I prepare Tails for memory erasure tests 0.658
And I find very few patterns in the guest's memory 3.182 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.825
Then patterns cover at least 99% of the test FS size in the guest's memory 4.132 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.746
Then I find very few patterns in the guest's memory after 3 seconds 6.711 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:330 1.213
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.113
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 9.420
And I prepare Tails for memory erasure tests 0.834
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.271
Then I find very few patterns in the guest's memory 3.718 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 5.363
Then patterns cover at least 75% of the test FS size in the guest's memory 3.745 
Pattern coverage: 88.744% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.332
Then I find very few patterns in the guest's memory after 3 seconds 6.666 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# read cache
When I mount the USB drive again 0.409
And I read the content of the test FS 0.939
Then patterns cover at least 99% of the test FS size in the guest's memory 4.101 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.290
Then I find very few patterns in the guest's memory after 3 seconds 7.018 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:330 1.228
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:21.451
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 8.329
And I prepare Tails for memory erasure tests 0.469
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.777
Then I find very few patterns in the guest's memory 3.903 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.937
Then patterns cover at least 99% of the test FS size in the guest's memory 3.756 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.887
Then I find very few patterns in the guest's memory after 3 seconds 5.805 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# read cache
When I mount the USB drive again 6.613
And I read the content of the test FS 0.485
Then patterns cover at least 99% of the test FS size in the guest's memory 4.613 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.823
Then I find very few patterns in the guest's memory after 3 seconds 6.047 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:330 2.113
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.590
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 9.145
And I prepare Tails for memory erasure tests 0.958
When I fill a 128 MiB file with a known pattern on the root filesystem 16.197
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.157
Then patterns cover at least 128 MiB in the guest's memory 3.113 
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 21.001 
Pattern coverage: 0.000% (0 MiB out of 859 MiB reference memory)
After features/support/hooks.rb:330 3.638
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:38.023
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:53.514
And I prepare Tails for memory erasure tests 0.472
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.998
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 22.020 
Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)
After features/support/hooks.rb:330 3.986
After features/support/hooks.rb:100 0.011