Project Number Date
test_Tails_ISO_21322-tails-testers-migration 1 27 Aug 2026, 12:31

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 7:38.573 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
21.165
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 6.607
And I prepare Tails for memory erasure tests 0.338
When I start a process allocating 128 MiB of memory with a known pattern 2.182
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.963 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.203
Then I find very few patterns in the guest's memory after 5 seconds 7.870 
Pattern coverage: 0.000% (0 MiB out of 1468 MiB reference memory)
After features/support/hooks.rb:339 0.621
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.290
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.004
Given I have started Tails from DVD without network and logged in 6.232
And I prepare Tails for memory erasure tests 0.312
And I find very few patterns in the guest's memory 2.766 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.741
Then patterns cover at least 99% of the test FS size in the guest's memory 3.026 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.422
Then I find very few patterns in the guest's memory after 3 seconds 5.788 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
After features/support/hooks.rb:339 0.884
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
45.324
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 6.366
And I prepare Tails for memory erasure tests 0.329
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.896
Then I find very few patterns in the guest's memory 2.880 
Pattern coverage: 0.000% (0 MiB out of 1468 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.800
Then patterns cover at least 75% of the test FS size in the guest's memory 3.846 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.687
Then I find very few patterns in the guest's memory after 3 seconds 7.846 
Pattern coverage: 0.000% (0 MiB out of 1468 MiB reference memory)
# read cache
When I mount the USB drive again 0.173
And I read the content of the test FS 0.653
Then patterns cover at least 99% of the test FS size in the guest's memory 5.629 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.415
Then I find very few patterns in the guest's memory after 3 seconds 7.798 
Pattern coverage: 0.000% (0 MiB out of 1468 MiB reference memory)
After features/support/hooks.rb:339 0.944
After features/support/hooks.rb:108 0.001
Tags: @product @slow @not_release_blocker
1:6.686
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.005
Given I have started Tails from DVD without network and logged in 6.354
And I prepare Tails for memory erasure tests 0.372
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.775
Then I find very few patterns in the guest's memory 3.024 
Pattern coverage: 0.000% (0 MiB out of 1468 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.276
Then patterns cover at least 99% of the test FS size in the guest's memory 2.918 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.464
Then I find very few patterns in the guest's memory after 3 seconds 5.571 
Pattern coverage: 0.000% (0 MiB out of 1468 MiB reference memory)
# read cache
When I mount the USB drive again 3.861
And I read the content of the test FS 0.403
Then patterns cover at least 99% of the test FS size in the guest's memory 2.757 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.419
Then I find very few patterns in the guest's memory after 3 seconds 5.487 
Pattern coverage: 0.000% (0 MiB out of 1468 MiB reference memory)
After features/support/hooks.rb:339 0.551
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.891
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 6.419
And I prepare Tails for memory erasure tests 0.315
When I fill a 128 MiB file with a known pattern on the root filesystem 13.549
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.595
Then patterns cover at least 128 MiB in the guest's memory 2.255 
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 20.751 
Pattern coverage: 0.000% (0 MiB out of 1468 MiB reference memory)
After features/support/hooks.rb:339 3.653
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:20.215
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:48.738
And I prepare Tails for memory erasure tests 0.293
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.167
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.010 
Pattern coverage: 0.000% (0 MiB out of 1467 MiB reference memory)
After features/support/hooks.rb:339 3.450
After features/support/hooks.rb:108 0.044