Project Number Date
test_Tails_ISO_21322-change-domain-deb.tails.boum.org 5 21 May 2026, 07:47

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 7:28.850 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
17.384
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 6.560
And I prepare Tails for memory erasure tests 0.315
When I start a process allocating 128 MiB of memory with a known pattern 1.182
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.940 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.196
Then I find very few patterns in the guest's memory after 5 seconds 7.188 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
After features/support/hooks.rb:335 0.930
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
17.281
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 6.677
And I prepare Tails for memory erasure tests 0.323
And I find very few patterns in the guest's memory 1.711 
Pattern coverage: 0.000% (0 MiB out of 1479 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 1.870 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.345
Then I find very few patterns in the guest's memory after 3 seconds 4.827 
Pattern coverage: 0.000% (0 MiB out of 1479 MiB reference memory)
After features/support/hooks.rb:335 0.971
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
32.378
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 6.763
And I prepare Tails for memory erasure tests 0.317
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.213
Then I find very few patterns in the guest's memory 1.766 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.596
Then patterns cover at least 75% of the test FS size in the guest's memory 2.095 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.965
Then I find very few patterns in the guest's memory after 3 seconds 4.941 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
# read cache
When I mount the USB drive again 0.169
And I read the content of the test FS 0.399
Then patterns cover at least 99% of the test FS size in the guest's memory 2.025 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.410
Then I find very few patterns in the guest's memory after 3 seconds 4.712 
Pattern coverage: 0.000% (0 MiB out of 1481 MiB reference memory)
After features/support/hooks.rb:335 0.868
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
59.496
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 6.719
And I prepare Tails for memory erasure tests 0.455
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.029
Then I find very few patterns in the guest's memory 1.718 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.393
Then patterns cover at least 99% of the test FS size in the guest's memory 1.840 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.576
Then I find very few patterns in the guest's memory after 3 seconds 4.899 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
# read cache
When I mount the USB drive again 4.653
And I read the content of the test FS 0.322
Then patterns cover at least 99% of the test FS size in the guest's memory 1.882 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.412
Then I find very few patterns in the guest's memory after 3 seconds 4.592 
Pattern coverage: 0.000% (0 MiB out of 1488 MiB reference memory)
After features/support/hooks.rb:335 0.832
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
52.411
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.010
Given I have started Tails from DVD without network and logged in 6.732
And I prepare Tails for memory erasure tests 0.345
When I fill a 128 MiB file with a known pattern on the root filesystem 21.481
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.762
Then patterns cover at least 128 MiB in the guest's memory 1.565 
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 20.517 
Pattern coverage: 0.000% (0 MiB out of 1482 MiB reference memory)
After features/support/hooks.rb:335 3.625
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
4:29.898
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:47.700
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 20.693
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.171 
Pattern coverage: 0.000% (0 MiB out of 1463 MiB reference memory)
After features/support/hooks.rb:335 3.853
After features/support/hooks.rb:104 0.009