Project Number Date
test_Tails_ISO_21548-flatpak-install 2 12 May 2026, 14:49

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 7:57.340 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
19.155
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 6.913
And I prepare Tails for memory erasure tests 0.388
When I start a process allocating 128 MiB of memory with a known pattern 2.240
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.114 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.262
Then I find very few patterns in the guest's memory after 5 seconds 7.235 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
After features/support/hooks.rb:335 0.778
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
18.953
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 7.362
And I prepare Tails for memory erasure tests 0.386
And I find very few patterns in the guest's memory 1.827 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.654
Then patterns cover at least 99% of the test FS size in the guest's memory 2.334 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.315
Then I find very few patterns in the guest's memory after 3 seconds 5.072 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
After features/support/hooks.rb:335 0.917
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
34.545
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.005
Given I have started Tails from DVD without network and logged in 7.014
And I prepare Tails for memory erasure tests 0.423
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.324
Then I find very few patterns in the guest's memory 1.892 
Pattern coverage: 0.000% (0 MiB out of 1480 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.874
Then patterns cover at least 75% of the test FS size in the guest's memory 2.956 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.843
Then I find very few patterns in the guest's memory after 3 seconds 5.112 
Pattern coverage: 0.000% (0 MiB out of 1480 MiB reference memory)
# read cache
When I mount the USB drive again 0.262
And I read the content of the test FS 0.479
Then patterns cover at least 99% of the test FS size in the guest's memory 2.016 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.293
Then I find very few patterns in the guest's memory after 3 seconds 5.051 
Pattern coverage: 0.000% (0 MiB out of 1480 MiB reference memory)
After features/support/hooks.rb:335 0.798
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
59.756
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 7.398
And I prepare Tails for memory erasure tests 0.410
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.519
Then I find very few patterns in the guest's memory 1.889 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.383
Then patterns cover at least 99% of the test FS size in the guest's memory 2.680 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.683
Then I find very few patterns in the guest's memory after 3 seconds 4.886 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
# read cache
When I mount the USB drive again 3.295
And I read the content of the test FS 0.293
Then patterns cover at least 99% of the test FS size in the guest's memory 1.854 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.393
Then I find very few patterns in the guest's memory after 3 seconds 5.066 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
After features/support/hooks.rb:335 1.217
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
59.130
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 7.224
And I prepare Tails for memory erasure tests 0.469
When I fill a 128 MiB file with a known pattern on the root filesystem 27.202
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.077
Then patterns cover at least 128 MiB in the guest's memory 1.647 
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 20.501 
Pattern coverage: 0.000% (0 MiB out of 1485 MiB reference memory)
After features/support/hooks.rb:335 3.515
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
4:45.799
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 4:6.508
And I prepare Tails for memory erasure tests 0.339
When I fill a 128 MiB file with a known pattern on the persistent filesystem 17.556
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.390 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
After features/support/hooks.rb:335 3.596
After features/support/hooks.rb:104 0.012