Project Number Date
test_Tails_ISO_feature-arti 65 21 May 2025, 16:36

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 11:17.661 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
23.457
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 8.068
And I prepare Tails for memory erasure tests 0.414
When I start a process allocating 128 MiB of memory with a known pattern 1.263
Then patterns cover at least 128 MiB in the guest's memory 4.303 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.700
Then I find very few patterns in the guest's memory after 5 seconds 8.707 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:330 0.995
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.299
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 8.195
And I prepare Tails for memory erasure tests 0.467
And I find very few patterns in the guest's memory 3.727 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.968
Then patterns cover at least 99% of the test FS size in the guest's memory 3.865 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.361
Then I find very few patterns in the guest's memory after 3 seconds 6.713 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:330 0.933
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.955
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 8.608
And I prepare Tails for memory erasure tests 1.354
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.077
Then I find very few patterns in the guest's memory 3.962 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.143
Then patterns cover at least 75% of the test FS size in the guest's memory 4.325 
Pattern coverage: 86.395% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.671
Then I find very few patterns in the guest's memory after 3 seconds 6.945 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# read cache
When I mount the USB drive again 0.264
And I read the content of the test FS 0.563
Then patterns cover at least 99% of the test FS size in the guest's memory 4.021 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.450
Then I find very few patterns in the guest's memory after 3 seconds 6.566 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 2.708
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:14.913
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 9.224
And I prepare Tails for memory erasure tests 0.481
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.799
Then I find very few patterns in the guest's memory 3.153 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.766
Then patterns cover at least 99% of the test FS size in the guest's memory 3.606 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.958
Then I find very few patterns in the guest's memory after 3 seconds 5.796 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
# read cache
When I mount the USB drive again 5.490
And I read the content of the test FS 0.447
Then patterns cover at least 99% of the test FS size in the guest's memory 3.559 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.496
Then I find very few patterns in the guest's memory after 3 seconds 6.131 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:330 1.383
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.526
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 8.307
And I prepare Tails for memory erasure tests 0.423
When I fill a 128 MiB file with a known pattern on the root filesystem 17.227
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.119
Then patterns cover at least 128 MiB in the guest's memory 2.619 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.814 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:330 3.542
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:32.509
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 6:46.411
And I prepare Tails for memory erasure tests 1.187
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.718
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.180 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:330 3.505
After features/support/hooks.rb:100 0.011