Project Number Date
test_Tails_ISO_21643-uefi-db 5 13 Jun 2026, 02:20

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 7:28.167 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
18.210
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.018
Given I have started Tails from DVD without network and logged in 6.793
And I prepare Tails for memory erasure tests 0.425
When I start a process allocating 128 MiB of memory with a known pattern 2.203
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.968 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.195
Then I find very few patterns in the guest's memory after 5 seconds 6.623 
Pattern coverage: 0.000% (0 MiB out of 1493 MiB reference memory)
After features/support/hooks.rb:339 1.016
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
17.462
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.018
Given I have started Tails from DVD without network and logged in 6.735
And I prepare Tails for memory erasure tests 0.527
And I find very few patterns in the guest's memory 1.726 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.583
Then patterns cover at least 99% of the test FS size in the guest's memory 1.904 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.306
Then I find very few patterns in the guest's memory after 3 seconds 4.678 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
After features/support/hooks.rb:339 0.717
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
31.813
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.018
Given I have started Tails from DVD without network and logged in 6.832
And I prepare Tails for memory erasure tests 0.364
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.292
Then I find very few patterns in the guest's memory 1.760 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.522
Then patterns cover at least 75% of the test FS size in the guest's memory 2.163 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.666
Then I find very few patterns in the guest's memory after 3 seconds 4.731 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
# read cache
When I mount the USB drive again 0.146
And I read the content of the test FS 0.398
Then patterns cover at least 99% of the test FS size in the guest's memory 1.932 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.323
Then I find very few patterns in the guest's memory after 3 seconds 4.679 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
After features/support/hooks.rb:339 0.995
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
55.555
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.029
Given I have started Tails from DVD without network and logged in 6.843
And I prepare Tails for memory erasure tests 0.350
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 27.765
Then I find very few patterns in the guest's memory 1.780 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.362
Then patterns cover at least 99% of the test FS size in the guest's memory 1.820 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.491
Then I find very few patterns in the guest's memory after 3 seconds 4.584 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
# read cache
When I mount the USB drive again 3.607
And I read the content of the test FS 0.251
Then patterns cover at least 99% of the test FS size in the guest's memory 1.725 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.399
Then I find very few patterns in the guest's memory after 3 seconds 4.571 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
After features/support/hooks.rb:339 0.879
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
49.711
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.018
Given I have started Tails from DVD without network and logged in 6.866
And I prepare Tails for memory erasure tests 0.392
When I fill a 128 MiB file with a known pattern on the root filesystem 18.853
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.608
Then patterns cover at least 128 MiB in the guest's memory 1.487 
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 20.497 
Pattern coverage: 0.000% (0 MiB out of 1490 MiB reference memory)
After features/support/hooks.rb:339 3.844
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:35.412
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.018
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:55.798
And I prepare Tails for memory erasure tests 0.286
When I fill a 128 MiB file with a known pattern on the persistent filesystem 18.446
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 20.876 
Pattern coverage: 0.000% (0 MiB out of 1497 MiB reference memory)
After features/support/hooks.rb:339 3.841
After features/support/hooks.rb:108 0.061