Project Number Date
test_Tails_ISO_21548-flatpak-install 3 13 May 2026, 14:19

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 7:27.792 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
17.318
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 6.626
And I prepare Tails for memory erasure tests 0.504
When I start a process allocating 128 MiB of memory with a known pattern 1.181
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.031 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.175
Then I find very few patterns in the guest's memory after 5 seconds 6.798 
Pattern coverage: 0.000% (0 MiB out of 1480 MiB reference memory)
After features/support/hooks.rb:335 1.029
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
17.381
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.009
Given I have started Tails from DVD without network and logged in 6.677
And I prepare Tails for memory erasure tests 0.314
And I find very few patterns in the guest's memory 1.796 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.576
Then patterns cover at least 99% of the test FS size in the guest's memory 1.877 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.330
Then I find very few patterns in the guest's memory after 3 seconds 4.809 
Pattern coverage: 0.000% (0 MiB out of 1474 MiB reference memory)
After features/support/hooks.rb:335 0.829
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
32.007
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 7.009
And I prepare Tails for memory erasure tests 0.536
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.150
Then I find very few patterns in the guest's memory 1.732 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.479
Then patterns cover at least 75% of the test FS size in the guest's memory 1.973 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.712
Then I find very few patterns in the guest's memory after 3 seconds 4.855 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
# read cache
When I mount the USB drive again 0.141
And I read the content of the test FS 0.410
Then patterns cover at least 99% of the test FS size in the guest's memory 1.918 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.383
Then I find very few patterns in the guest's memory after 3 seconds 4.702 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
After features/support/hooks.rb:335 0.738
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
54.524
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 6.415
And I prepare Tails for memory erasure tests 0.308
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 26.840
Then I find very few patterns in the guest's memory 1.699 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.477
Then patterns cover at least 99% of the test FS size in the guest's memory 1.782 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.525
Then I find very few patterns in the guest's memory after 3 seconds 4.632 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
# read cache
When I mount the USB drive again 3.763
And I read the content of the test FS 0.285
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 0.466
Then I find very few patterns in the guest's memory after 3 seconds 4.601 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
After features/support/hooks.rb:335 0.783
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
56.574
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.002
Given I have started Tails from DVD without network and logged in 6.409
And I prepare Tails for memory erasure tests 0.313
When I fill a 128 MiB file with a known pattern on the root filesystem 25.991
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.920
Then patterns cover at least 128 MiB in the guest's memory 1.437 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.007
Then I find very few patterns in the guest's memory after 20 seconds 20.496 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
After features/support/hooks.rb:335 3.463
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
4:29.984
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.001
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:50.863
And I prepare Tails for memory erasure tests 0.332
When I fill a 128 MiB file with a known pattern on the persistent filesystem 17.854
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.929 
Pattern coverage: 0.000% (0 MiB out of 1469 MiB reference memory)
After features/support/hooks.rb:335 3.820
After features/support/hooks.rb:104 0.009