Project Number Date
test_Tails_ISO_21548-flatpak-install 1 12 May 2026, 13:06

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 8:8.625 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
19.581
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.002
Given I have started Tails from DVD without network and logged in 6.826
And I prepare Tails for memory erasure tests 0.388
When I start a process allocating 128 MiB of memory with a known pattern 2.411
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.597 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.198
Then I find very few patterns in the guest's memory after 5 seconds 7.158 
Pattern coverage: 0.000% (0 MiB out of 1500 MiB reference memory)
After features/support/hooks.rb:335 0.796
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
20.152
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.001
Given I have started Tails from DVD without network and logged in 6.860
And I prepare Tails for memory erasure tests 0.342
And I find very few patterns in the guest's memory 2.835 
Pattern coverage: 0.000% (0 MiB out of 1500 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.829
Then patterns cover at least 99% of the test FS size in the guest's memory 3.156 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.322
Then I find very few patterns in the guest's memory after 3 seconds 4.804 
Pattern coverage: 0.000% (0 MiB out of 1500 MiB reference memory)
After features/support/hooks.rb:335 0.765
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
38.941
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.006
Given I have started Tails from DVD without network and logged in 7.894
And I prepare Tails for memory erasure tests 0.476
When I plug and mount a 128 MiB USB drive with a vfat filesystem 7.191
Then I find very few patterns in the guest's memory 2.234 
Pattern coverage: 0.000% (0 MiB out of 1502 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.648
Then patterns cover at least 75% of the test FS size in the guest's memory 3.113 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.848
Then I find very few patterns in the guest's memory after 3 seconds 5.989 
Pattern coverage: 0.000% (0 MiB out of 1502 MiB reference memory)
# read cache
When I mount the USB drive again 0.188
And I read the content of the test FS 0.548
Then patterns cover at least 99% of the test FS size in the guest's memory 2.340 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.537
Then I find very few patterns in the guest's memory after 3 seconds 4.927 
Pattern coverage: 0.000% (0 MiB out of 1502 MiB reference memory)
After features/support/hooks.rb:335 1.399
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
1:4.991
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.001
Given I have started Tails from DVD without network and logged in 6.938
And I prepare Tails for memory erasure tests 0.866
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 32.098
Then I find very few patterns in the guest's memory 2.215 
Pattern coverage: 0.000% (0 MiB out of 1500 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.652
Then patterns cover at least 99% of the test FS size in the guest's memory 2.134 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.031
Then I find very few patterns in the guest's memory after 3 seconds 5.648 
Pattern coverage: 0.000% (0 MiB out of 1500 MiB reference memory)
# read cache
When I mount the USB drive again 4.969
And I read the content of the test FS 0.327
Then patterns cover at least 99% of the test FS size in the guest's memory 1.815 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.406
Then I find very few patterns in the guest's memory after 3 seconds 4.888 
Pattern coverage: 0.000% (0 MiB out of 1500 MiB reference memory)
After features/support/hooks.rb:335 0.765
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
57.545
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.003
Given I have started Tails from DVD without network and logged in 7.526
And I prepare Tails for memory erasure tests 0.567
When I fill a 128 MiB file with a known pattern on the root filesystem 25.149
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.981
Then patterns cover at least 128 MiB in the guest's memory 1.771 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.007
Then I find very few patterns in the guest's memory after 20 seconds 20.541 
Pattern coverage: 0.000% (0 MiB out of 1500 MiB reference memory)
After features/support/hooks.rb:335 3.777
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
4:47.412
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.001
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 4:5.322
And I prepare Tails for memory erasure tests 0.315
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.497
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.264 
Pattern coverage: 0.000% (0 MiB out of 1508 MiB reference memory)
After features/support/hooks.rb:335 3.942
After features/support/hooks.rb:104 0.017