Project Number Date
test_Tails_ISO_devel 3857 07 Jun 2025, 12:28

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 11:13.225 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
22.636
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 7.938
And I prepare Tails for memory erasure tests 0.458
When I start a process allocating 128 MiB of memory with a known pattern 1.286
Then patterns cover at least 128 MiB in the guest's memory 3.742 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.012
Then I find very few patterns in the guest's memory after 5 seconds 8.198 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 0.751
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.089
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 8.024
And I prepare Tails for memory erasure tests 0.498
And I find very few patterns in the guest's memory 3.343 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.634
Then patterns cover at least 99% of the test FS size in the guest's memory 3.288 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.719
Then I find very few patterns in the guest's memory after 3 seconds 6.580 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:330 0.736
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
43.852
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 7.947
And I prepare Tails for memory erasure tests 0.431
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.060
Then I find very few patterns in the guest's memory 2.869 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.157
Then patterns cover at least 75% of the test FS size in the guest's memory 3.274 
Pattern coverage: 83.634% (106 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.987
Then I find very few patterns in the guest's memory after 3 seconds 6.051 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# read cache
When I mount the USB drive again 0.225
And I read the content of the test FS 0.463
Then patterns cover at least 99% of the test FS size in the guest's memory 3.375 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.532
Then I find very few patterns in the guest's memory after 3 seconds 6.477 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:330 0.759
After features/support/hooks.rb:100 0.002
Tags: @product @slow @not_release_blocker
1:12.113
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 8.339
And I prepare Tails for memory erasure tests 0.485
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.279
Then I find very few patterns in the guest's memory 3.389 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.517
Then patterns cover at least 99% of the test FS size in the guest's memory 3.790 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.590
Then I find very few patterns in the guest's memory after 3 seconds 5.777 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# read cache
When I mount the USB drive again 4.156
And I read the content of the test FS 0.422
Then patterns cover at least 99% of the test FS size in the guest's memory 3.231 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.451
Then I find very few patterns in the guest's memory after 3 seconds 5.681 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:330 1.330
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.807
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 8.085
And I prepare Tails for memory erasure tests 0.388
When I fill a 128 MiB file with a known pattern on the root filesystem 17.479
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.426
Then patterns cover at least 128 MiB in the guest's memory 2.642 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 20.770 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 3.500
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:39.725
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 6:57.168
And I prepare Tails for memory erasure tests 0.481
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.861
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 21.195 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:330 3.522
After features/support/hooks.rb:100 0.011