Project Number Date
test_Tails_ISO_stable 5302 28 Nov 2024, 17:53

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 11:4.264 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
22.653
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.077
And I prepare Tails for memory erasure tests 0.497
When I start a process allocating 128 MiB of memory with a known pattern 2.502
Then patterns cover at least 128 MiB in the guest's memory 3.851 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.187
Then I find very few patterns in the guest's memory after 3 seconds 6.538 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
After features/support/hooks.rb:326 0.851
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.942
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.070
And I prepare Tails for memory erasure tests 0.447
And I find very few patterns in the guest's memory 3.359 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.483
Then patterns cover at least 99% of the test FS size in the guest's memory 4.036 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.923
Then I find very few patterns in the guest's memory after 3 seconds 6.621 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:326 0.859
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.070
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.134
And I prepare Tails for memory erasure tests 0.455
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.104
Then I find very few patterns in the guest's memory 3.667 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.587
Then patterns cover at least 75% of the test FS size in the guest's memory 3.919 
Pattern coverage: 85.768% (109 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.179
Then I find very few patterns in the guest's memory after 3 seconds 6.760 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
# read cache
When I mount the USB drive again 1.005
And I read the content of the test FS 1.086
Then patterns cover at least 99% of the test FS size in the guest's memory 4.587 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.563
Then I find very few patterns in the guest's memory after 3 seconds 7.018 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
After features/support/hooks.rb:326 1.022
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:13.153
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.244
And I prepare Tails for memory erasure tests 0.438
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.715
Then I find very few patterns in the guest's memory 2.880 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.827
Then patterns cover at least 99% of the test FS size in the guest's memory 3.214 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.844
Then I find very few patterns in the guest's memory after 3 seconds 6.038 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
# read cache
When I mount the USB drive again 5.349
And I read the content of the test FS 0.418
Then patterns cover at least 99% of the test FS size in the guest's memory 3.113 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.953
Then I find very few patterns in the guest's memory after 3 seconds 6.113 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:326 0.806
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.233
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.151
And I prepare Tails for memory erasure tests 0.449
When I fill a 128 MiB file with a known pattern on the root filesystem 15.174
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.885
Then patterns cover at least 128 MiB in the guest's memory 2.615 
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 20.944 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:326 3.555
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:22.210
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 6:35.977
And I prepare Tails for memory erasure tests 0.732
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.269
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.218 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:326 3.549
After features/support/hooks.rb:100 0.012