Project Number Date
test_Tails_ISO_stable 5501 07 Mar 2025, 12:59

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 11:55.479 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
24.663
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 9.130
And I prepare Tails for memory erasure tests 0.458
When I start a process allocating 128 MiB of memory with a known pattern 2.444
Then patterns cover at least 128 MiB in the guest's memory 3.386 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.208
Then I find very few patterns in the guest's memory after 5 seconds 8.034 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:330 0.862
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
28.636
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 9.567
And I prepare Tails for memory erasure tests 0.722
And I find very few patterns in the guest's memory 3.660 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.188
Then patterns cover at least 99% of the test FS size in the guest's memory 3.893 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.753
Then I find very few patterns in the guest's memory after 3 seconds 6.850 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:330 0.916
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.603
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 8.506
And I prepare Tails for memory erasure tests 0.463
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.104
Then I find very few patterns in the guest's memory 3.016 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.093
Then patterns cover at least 75% of the test FS size in the guest's memory 4.050 
Pattern coverage: 91.462% (116 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.565
Then I find very few patterns in the guest's memory after 3 seconds 6.552 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# read cache
When I mount the USB drive again 0.263
And I read the content of the test FS 0.719
Then patterns cover at least 99% of the test FS size in the guest's memory 3.988 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.974
Then I find very few patterns in the guest's memory after 3 seconds 6.303 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:330 1.579
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:24.247
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 9.319
And I prepare Tails for memory erasure tests 0.583
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.714
Then I find very few patterns in the guest's memory 3.271 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.832
Then patterns cover at least 99% of the test FS size in the guest's memory 3.645 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.026
Then I find very few patterns in the guest's memory after 3 seconds 6.104 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# read cache
When I mount the USB drive again 7.548
And I read the content of the test FS 0.583
Then patterns cover at least 99% of the test FS size in the guest's memory 3.382 
Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.203
Then I find very few patterns in the guest's memory after 3 seconds 6.031 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 2.911
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
57.564
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 8.607
And I prepare Tails for memory erasure tests 0.478
When I fill a 128 MiB file with a known pattern on the root filesystem 19.036
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 5.360
Then patterns cover at least 128 MiB in the guest's memory 3.175 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.023
Then I find very few patterns in the guest's memory after 20 seconds 20.883 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:330 3.487
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:50.763
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:4.325
And I prepare Tails for memory erasure tests 0.448
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.498
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.477 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 3.555
After features/support/hooks.rb:100 0.014