Project Number Date
test_Tails_ISO_devel 3856 06 Jun 2025, 13:19

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 11:24.593 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
26.834
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 8.190
And I prepare Tails for memory erasure tests 0.447
When I start a process allocating 128 MiB of memory with a known pattern 3.913
Then patterns cover at least 128 MiB in the guest's memory 4.434 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.451
Then I find very few patterns in the guest's memory after 5 seconds 8.398 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:330 0.684
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.393
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 8.783
And I prepare Tails for memory erasure tests 0.513
And I find very few patterns in the guest's memory 3.429 
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 3.521
Then patterns cover at least 99% of the test FS size in the guest's memory 4.042 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.768
Then I find very few patterns in the guest's memory after 3 seconds 6.335 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 0.872
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.212
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 8.716
And I prepare Tails for memory erasure tests 0.358
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.860
Then I find very few patterns in the guest's memory 3.846 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.271
Then patterns cover at least 75% of the test FS size in the guest's memory 4.403 
Pattern coverage: 93.198% (118 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.082
Then I find very few patterns in the guest's memory after 3 seconds 6.520 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# read cache
When I mount the USB drive again 0.249
And I read the content of the test FS 0.536
Then patterns cover at least 99% of the test FS size in the guest's memory 4.138 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.497
Then I find very few patterns in the guest's memory after 3 seconds 6.732 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:330 0.791
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:18.982
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 8.681
And I prepare Tails for memory erasure tests 0.501
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.226
Then I find very few patterns in the guest's memory 2.977 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.817
Then patterns cover at least 99% of the test FS size in the guest's memory 3.116 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.857
Then I find very few patterns in the guest's memory after 3 seconds 6.542 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# read cache
When I mount the USB drive again 5.111
And I read the content of the test FS 0.517
Then patterns cover at least 99% of the test FS size in the guest's memory 4.536 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.757
Then I find very few patterns in the guest's memory after 3 seconds 6.338 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:330 1.167
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
52.854
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.006
Given I have started Tails from DVD without network and logged in 8.846
And I prepare Tails for memory erasure tests 0.459
When I fill a 128 MiB file with a known pattern on the root filesystem 17.734
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.952
Then patterns cover at least 128 MiB in the guest's memory 2.955 
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 20.894 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 3.515
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:27.314
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 6:43.849
And I prepare Tails for memory erasure tests 1.100
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.051
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.298 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 3.511
After features/support/hooks.rb:100 0.010