Project Number Date
test_Tails_ISO_20524-warn-danger-unplug-usb-stick 1 24 Oct 2024, 21:23

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 11:46.079 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
24.683
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.744
And I prepare Tails for memory erasure tests 0.958
When I start a process allocating 128 MiB of memory with a known pattern 2.469
Then patterns cover at least 128 MiB in the guest's memory 4.560 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.103
Then I find very few patterns in the guest's memory after 3 seconds 6.846 
Pattern coverage: 0.000% (0 MiB out of 688 MiB reference memory)
After features/support/hooks.rb:326 0.805
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.991
Before features/support/hooks.rb:269 0.005
Given I have started Tails from DVD without network and logged in 9.114
And I prepare Tails for memory erasure tests 0.491
And I find very few patterns in the guest's memory 5.759 
Pattern coverage: 0.000% (0 MiB out of 711 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.573
Then patterns cover at least 99% of the test FS size in the guest's memory 4.168 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.325
Then I find very few patterns in the guest's memory after 3 seconds 6.558 
Pattern coverage: 0.000% (0 MiB out of 711 MiB reference memory)
After features/support/hooks.rb:326 1.721
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:0.225
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.450
And I prepare Tails for memory erasure tests 0.565
When I plug and mount a 128 MiB USB drive with a vfat filesystem 15.451
Then I find very few patterns in the guest's memory 4.274 
Pattern coverage: 0.000% (0 MiB out of 698 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.436
Then patterns cover at least 75% of the test FS size in the guest's memory 5.234 
Pattern coverage: 81.283% (103 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.224
Then I find very few patterns in the guest's memory after 3 seconds 8.139 
Pattern coverage: 0.000% (0 MiB out of 698 MiB reference memory)
# read cache
When I mount the USB drive again 0.552
And I read the content of the test FS 0.571
Then patterns cover at least 99% of the test FS size in the guest's memory 4.318 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.387
Then I find very few patterns in the guest's memory after 3 seconds 7.617 
Pattern coverage: 0.000% (0 MiB out of 698 MiB reference memory)
After features/support/hooks.rb:326 0.777
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
1:21.100
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.378
And I prepare Tails for memory erasure tests 0.498
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.738
Then I find very few patterns in the guest's memory 3.345 
Pattern coverage: 0.000% (0 MiB out of 688 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.770
Then patterns cover at least 99% of the test FS size in the guest's memory 3.681 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.834
Then I find very few patterns in the guest's memory after 3 seconds 6.296 
Pattern coverage: 0.000% (0 MiB out of 688 MiB reference memory)
# read cache
When I mount the USB drive again 5.007
And I read the content of the test FS 0.488
Then patterns cover at least 99% of the test FS size in the guest's memory 4.187 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.789
Then I find very few patterns in the guest's memory after 3 seconds 6.083 
Pattern coverage: 0.000% (0 MiB out of 688 MiB reference memory)
After features/support/hooks.rb:326 1.364
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.985
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.532
And I prepare Tails for memory erasure tests 0.463
When I fill a 128 MiB file with a known pattern on the root filesystem 16.626
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.979
Then patterns cover at least 128 MiB in the guest's memory 3.548 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.822 
Pattern coverage: 0.000% (0 MiB out of 689 MiB reference memory)
After features/support/hooks.rb:326 3.631
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:40.092
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 6:52.159
And I prepare Tails for memory erasure tests 0.499
When I fill a 128 MiB file with a known pattern on the persistent filesystem 26.155
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.264 
Pattern coverage: 0.000% (0 MiB out of 745 MiB reference memory)
After features/support/hooks.rb:326 3.499
After features/support/hooks.rb:100 0.012