Project Number Date
test_Tails_ISO_stable-flatpak 49 17 Oct 2026, 19:39

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 7:33.911 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
20.025
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.088
And I prepare Tails for memory erasure tests 0.296
When I start a process allocating 128 MiB of memory with a known pattern 2.171
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.080 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.723
Then I find very few patterns in the guest's memory after 5 seconds 7.664 
Pattern coverage: 0.000% (0 MiB out of 1406 MiB reference memory)
After features/support/hooks.rb:339 0.730
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.746
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails from DVD without network and logged in 6.147
And I prepare Tails for memory erasure tests 0.271
And I find very few patterns in the guest's memory 2.977 
Pattern coverage: 0.000% (0 MiB out of 1408 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.389
Then patterns cover at least 99% of the test FS size in the guest's memory 2.675 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.358
Then I find very few patterns in the guest's memory after 3 seconds 5.927 
Pattern coverage: 0.000% (0 MiB out of 1408 MiB reference memory)
After features/support/hooks.rb:339 0.952
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
41.076
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.070
And I prepare Tails for memory erasure tests 0.277
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.247
Then I find very few patterns in the guest's memory 2.837 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.640
Then patterns cover at least 75% of the test FS size in the guest's memory 2.981 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.632
Then I find very few patterns in the guest's memory after 3 seconds 6.317 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
# read cache
When I mount the USB drive again 0.168
And I read the content of the test FS 0.666
Then patterns cover at least 99% of the test FS size in the guest's memory 5.143 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.394
Then I find very few patterns in the guest's memory after 3 seconds 7.698 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
After features/support/hooks.rb:339 0.628
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:3.968
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails from DVD without network and logged in 6.124
And I prepare Tails for memory erasure tests 0.277
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.496
Then I find very few patterns in the guest's memory 3.586 
Pattern coverage: 0.000% (0 MiB out of 1403 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.179
Then patterns cover at least 99% of the test FS size in the guest's memory 2.653 
Pattern coverage: 106.115% (97 MiB out of 91 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 5.605 
Pattern coverage: 0.000% (0 MiB out of 1403 MiB reference memory)
# read cache
When I mount the USB drive again 4.431
And I read the content of the test FS 0.356
Then patterns cover at least 99% of the test FS size in the guest's memory 2.795 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.416
Then I find very few patterns in the guest's memory after 3 seconds 5.593 
Pattern coverage: 0.000% (0 MiB out of 1403 MiB reference memory)
After features/support/hooks.rb:339 0.740
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.598
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails from DVD without network and logged in 6.201
And I prepare Tails for memory erasure tests 0.282
When I fill a 128 MiB file with a known pattern on the root filesystem 13.723
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.497
Then patterns cover at least 128 MiB in the guest's memory 2.133 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 20.755 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
After features/support/hooks.rb:339 3.399
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:24.495
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:52.330
And I prepare Tails for memory erasure tests 0.367
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.693
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.099 
Pattern coverage: 0.000% (0 MiB out of 1455 MiB reference memory)
After features/support/hooks.rb:339 3.714
After features/support/hooks.rb:108 0.009