Project Number Date
test_Tails_ISO_21565-flatpak-safe 38 17 Sep 2026, 12:02

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 7:5.895 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
19.536
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 6.168
And I prepare Tails for memory erasure tests 0.304
When I start a process allocating 128 MiB of memory with a known pattern 2.151
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.032 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.207
Then I find very few patterns in the guest's memory after 5 seconds 7.671 
Pattern coverage: 0.000% (0 MiB out of 1397 MiB reference memory)
After features/support/hooks.rb:339 0.653
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.805
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 6.163
And I prepare Tails for memory erasure tests 0.270
And I find very few patterns in the guest's memory 2.917 
Pattern coverage: 0.000% (0 MiB out of 1406 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.596
Then patterns cover at least 99% of the test FS size in the guest's memory 2.843 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.434
Then I find very few patterns in the guest's memory after 3 seconds 5.579 
Pattern coverage: 0.000% (0 MiB out of 1406 MiB reference memory)
After features/support/hooks.rb:339 0.902
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
36.559
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 6.105
And I prepare Tails for memory erasure tests 0.288
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.441
Then I find very few patterns in the guest's memory 2.660 
Pattern coverage: 0.000% (0 MiB out of 1408 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.550
Then patterns cover at least 75% of the test FS size in the guest's memory 2.948 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.653
Then I find very few patterns in the guest's memory after 3 seconds 5.697 
Pattern coverage: 0.000% (0 MiB out of 1408 MiB reference memory)
# read cache
When I mount the USB drive again 0.187
And I read the content of the test FS 0.545
Then patterns cover at least 99% of the test FS size in the guest's memory 3.063 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.466
Then I find very few patterns in the guest's memory after 3 seconds 5.950 
Pattern coverage: 0.000% (0 MiB out of 1408 MiB reference memory)
After features/support/hooks.rb:339 0.838
After features/support/hooks.rb:108 0.001
Tags: @product @slow @not_release_blocker
59.091
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.008
Given I have started Tails from DVD without network and logged in 6.141
And I prepare Tails for memory erasure tests 0.279
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 27.959
Then I find very few patterns in the guest's memory 2.577 
Pattern coverage: 0.000% (0 MiB out of 1403 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 0.875
Then patterns cover at least 99% of the test FS size in the guest's memory 2.484 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.484
Then I find very few patterns in the guest's memory after 3 seconds 5.586 
Pattern coverage: 0.000% (0 MiB out of 1403 MiB reference memory)
# read cache
When I mount the USB drive again 3.805
And I read the content of the test FS 0.396
Then patterns cover at least 99% of the test FS size in the guest's memory 2.556 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.480
Then I find very few patterns in the guest's memory after 3 seconds 5.463 
Pattern coverage: 0.000% (0 MiB out of 1403 MiB reference memory)
After features/support/hooks.rb:339 0.643
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.598
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 6.138
And I prepare Tails for memory erasure tests 0.288
When I fill a 128 MiB file with a known pattern on the root filesystem 13.522
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.633
Then patterns cover at least 128 MiB in the guest's memory 2.252 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 20.758 
Pattern coverage: 0.000% (0 MiB out of 1414 MiB reference memory)
After features/support/hooks.rb:339 3.462
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:6.303
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.010
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:34.052
And I prepare Tails for memory erasure tests 0.233
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.925
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 1454 MiB reference memory)
After features/support/hooks.rb:339 3.370
After features/support/hooks.rb:108 0.010