Project Number Date
test_Tails_ISO_post-7.15.1-release-process 2 23 Oct 2026, 19:25

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 7:46.362 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
20.588
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 6.611
And I prepare Tails for memory erasure tests 0.316
When I start a process allocating 128 MiB of memory with a known pattern 2.166
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.865 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.715
Then I find very few patterns in the guest's memory after 5 seconds 7.913 
Pattern coverage: 0.000% (0 MiB out of 1407 MiB reference memory)
After features/support/hooks.rb:339 0.671
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.991
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 6.334
And I prepare Tails for memory erasure tests 0.288
And I find very few patterns in the guest's memory 2.635 
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 1.451
Then patterns cover at least 99% of the test FS size in the guest's memory 2.784 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.414
Then I find very few patterns in the guest's memory after 3 seconds 6.081 
Pattern coverage: 0.000% (0 MiB out of 1408 MiB reference memory)
After features/support/hooks.rb:339 0.721
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
37.578
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 6.606
And I prepare Tails for memory erasure tests 0.395
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.261
Then I find very few patterns in the guest's memory 2.847 
Pattern coverage: 0.000% (0 MiB out of 1405 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.744
Then patterns cover at least 75% of the test FS size in the guest's memory 3.152 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.746
Then I find very few patterns in the guest's memory after 3 seconds 5.903 
Pattern coverage: 0.000% (0 MiB out of 1405 MiB reference memory)
# read cache
When I mount the USB drive again 0.154
And I read the content of the test FS 0.613
Then patterns cover at least 99% of the test FS size in the guest's memory 2.957 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.469
Then I find very few patterns in the guest's memory after 3 seconds 5.727 
Pattern coverage: 0.000% (0 MiB out of 1405 MiB reference memory)
After features/support/hooks.rb:339 0.721
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:2.507
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.012
Given I have started Tails from DVD without network and logged in 6.450
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" 29.716
Then I find very few patterns in the guest's memory 2.565 
Pattern coverage: 0.000% (0 MiB out of 1405 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.307
Then patterns cover at least 99% of the test FS size in the guest's memory 2.896 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.518
Then I find very few patterns in the guest's memory after 3 seconds 5.608 
Pattern coverage: 0.000% (0 MiB out of 1405 MiB reference memory)
# read cache
When I mount the USB drive again 3.848
And I read the content of the test FS 0.360
Then patterns cover at least 99% of the test FS size in the guest's memory 2.590 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.405
Then I find very few patterns in the guest's memory after 3 seconds 5.888 
Pattern coverage: 0.000% (0 MiB out of 1405 MiB reference memory)
After features/support/hooks.rb:339 0.689
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
43.639
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 6.333
And I prepare Tails for memory erasure tests 0.317
When I fill a 128 MiB file with a known pattern on the root filesystem 12.535
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.440
Then patterns cover at least 128 MiB in the guest's memory 2.243 
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 20.763 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
After features/support/hooks.rb:339 3.469
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:42.057
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 4:9.746
And I prepare Tails for memory erasure tests 0.515
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.702
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.087 
Pattern coverage: 0.000% (0 MiB out of 1390 MiB reference memory)
After features/support/hooks.rb:339 3.842
After features/support/hooks.rb:108 0.010