Project Number Date
test_Tails_ISO_21348-migrate-away-from-sysadmin-team-container-images 4 17 Jun 2026, 19:29

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 7:48.558 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
18.322
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.017
Given I have started Tails from DVD without network and logged in 7.222
And I prepare Tails for memory erasure tests 0.376
When I start a process allocating 128 MiB of memory with a known pattern 1.284
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.124 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.565
Then I find very few patterns in the guest's memory after 5 seconds 6.747 
Pattern coverage: 0.000% (0 MiB out of 1496 MiB reference memory)
After features/support/hooks.rb:339 0.924
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
17.368
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.023
Given I have started Tails from DVD without network and logged in 7.069
And I prepare Tails for memory erasure tests 0.338
And I find very few patterns in the guest's memory 1.686 
Pattern coverage: 0.000% (0 MiB out of 1515 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.524
Then patterns cover at least 99% of the test FS size in the guest's memory 1.727 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.370
Then I find very few patterns in the guest's memory after 3 seconds 4.652 
Pattern coverage: 0.000% (0 MiB out of 1515 MiB reference memory)
After features/support/hooks.rb:339 0.861
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
32.774
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.017
Given I have started Tails from DVD without network and logged in 7.255
And I prepare Tails for memory erasure tests 0.364
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.538
Then I find very few patterns in the guest's memory 1.798 
Pattern coverage: 0.000% (0 MiB out of 1497 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.349
Then patterns cover at least 75% of the test FS size in the guest's memory 2.009 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.704
Then I find very few patterns in the guest's memory after 3 seconds 4.954 
Pattern coverage: 0.000% (0 MiB out of 1497 MiB reference memory)
# read cache
When I mount the USB drive again 0.147
And I read the content of the test FS 0.453
Then patterns cover at least 99% of the test FS size in the guest's memory 2.012 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.359
Then I find very few patterns in the guest's memory after 3 seconds 4.824 
Pattern coverage: 0.000% (0 MiB out of 1497 MiB reference memory)
After features/support/hooks.rb:339 1.035
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
58.182
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.016
Given I have started Tails from DVD without network and logged in 7.014
And I prepare Tails for memory erasure tests 0.339
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.478
Then I find very few patterns in the guest's memory 1.716 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.392
Then patterns cover at least 99% of the test FS size in the guest's memory 1.802 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.511
Then I find very few patterns in the guest's memory after 3 seconds 4.588 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
# read cache
When I mount the USB drive again 4.028
And I read the content of the test FS 0.319
Then patterns cover at least 99% of the test FS size in the guest's memory 1.888 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.481
Then I find very few patterns in the guest's memory after 3 seconds 4.621 
Pattern coverage: 0.000% (0 MiB out of 1491 MiB reference memory)
After features/support/hooks.rb:339 0.696
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
52.060
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.017
Given I have started Tails from DVD without network and logged in 7.067
And I prepare Tails for memory erasure tests 0.346
When I fill a 128 MiB file with a known pattern on the root filesystem 20.189
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.181
Then patterns cover at least 128 MiB in the guest's memory 1.654 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.616 
Pattern coverage: 0.000% (0 MiB out of 1513 MiB reference memory)
After features/support/hooks.rb:339 3.535
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:49.849
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.017
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 4:5.616
And I prepare Tails for memory erasure tests 0.366
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.986
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.874 
Pattern coverage: 0.000% (0 MiB out of 1501 MiB reference memory)
After features/support/hooks.rb:339 3.501
After features/support/hooks.rb:108 0.073