Project Number Date
test_Tails_ISO_codespell 1 17 Jun 2025, 22:15

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 26:13.267 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
57.110
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 24.777
And I prepare Tails for memory erasure tests 0.650
When I start a process allocating 128 MiB of memory with a known pattern 4.348
Then patterns cover at least 128 MiB in the guest's memory 9.754 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.359
Then I find very few patterns in the guest's memory after 5 seconds 17.219 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:330 0.965
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
57.110
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 24.987
And I prepare Tails for memory erasure tests 0.802
And I find very few patterns in the guest's memory 9.914 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.767
Then patterns cover at least 99% of the test FS size in the guest's memory 2.913 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.714
Then I find very few patterns in the guest's memory after 3 seconds 15.010 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:330 1.548
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:20.401
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 9.931
And I prepare Tails for memory erasure tests 3.836
When I plug and mount a 128 MiB USB drive with a vfat filesystem 14.783
Then I find very few patterns in the guest's memory 12.333 
Pattern coverage: 0.000% (0 MiB out of 858 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.467
Then patterns cover at least 75% of the test FS size in the guest's memory 4.608 
Pattern coverage: 89.993% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.640
Then I find very few patterns in the guest's memory after 3 seconds 10.323 
Pattern coverage: 0.000% (0 MiB out of 858 MiB reference memory)
# read cache
When I mount the USB drive again 0.267
And I read the content of the test FS 0.728
Then patterns cover at least 99% of the test FS size in the guest's memory 3.619 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.595
Then I find very few patterns in the guest's memory after 3 seconds 14.266 
Pattern coverage: 0.000% (0 MiB out of 858 MiB reference memory)
After features/support/hooks.rb:330 1.118
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
2:19.919
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 25.352
And I prepare Tails for memory erasure tests 0.672
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 55.269
Then I find very few patterns in the guest's memory 5.318 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 5.828
Then patterns cover at least 99% of the test FS size in the guest's memory 9.213 
Pattern coverage: 104.815% (95 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.985
Then I find very few patterns in the guest's memory after 3 seconds 14.379 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# read cache
When I mount the USB drive again 1.402
And I read the content of the test FS 1.130
Then patterns cover at least 99% of the test FS size in the guest's memory 3.685 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.069
Then I find very few patterns in the guest's memory after 3 seconds 15.612 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 1.222
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:20.442
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 25.110
And I prepare Tails for memory erasure tests 0.583
When I fill a 128 MiB file with a known pattern on the root filesystem 25.383
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.093
Then patterns cover at least 128 MiB in the guest's memory 5.477 
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 20.779 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:330 3.816
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
19:18.282
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.005
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 18:28.690
And I prepare Tails for memory erasure tests 0.855
When I fill a 128 MiB file with a known pattern on the persistent filesystem 26.879
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.844 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:330 4.984
After features/support/hooks.rb:100 0.246