Project Number Date
test_Tails_ISO_21548-flatpak-install 4 14 May 2026, 14:25

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 7:41.286 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
18.128
Before features/support/hooks.rb:270 0.000
Before features/support/hooks.rb:277 0.004
Given I have started Tails from DVD without network and logged in 6.769
And I prepare Tails for memory erasure tests 0.365
When I start a process allocating 128 MiB of memory with a known pattern 1.200
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.400 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.245
Then I find very few patterns in the guest's memory after 5 seconds 7.147 
Pattern coverage: 0.000% (0 MiB out of 1467 MiB reference memory)
After features/support/hooks.rb:335 0.720
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
18.765
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 6.842
And I prepare Tails for memory erasure tests 0.449
And I find very few patterns in the guest's memory 1.932 
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 1.757
Then patterns cover at least 99% of the test FS size in the guest's memory 2.445 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.323
Then I find very few patterns in the guest's memory after 3 seconds 5.013 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
After features/support/hooks.rb:335 1.065
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
33.931
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 6.907
And I prepare Tails for memory erasure tests 0.432
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.383
Then I find very few patterns in the guest's memory 1.887 
Pattern coverage: 0.000% (0 MiB out of 1466 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.933
Then patterns cover at least 75% of the test FS size in the guest's memory 2.510 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.776
Then I find very few patterns in the guest's memory after 3 seconds 4.745 
Pattern coverage: 0.000% (0 MiB out of 1466 MiB reference memory)
# read cache
When I mount the USB drive again 0.163
And I read the content of the test FS 0.492
Then patterns cover at least 99% of the test FS size in the guest's memory 2.091 
Pattern coverage: 100.000% (127 MiB out of 127 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 5.187 
Pattern coverage: 0.000% (0 MiB out of 1466 MiB reference memory)
After features/support/hooks.rb:335 0.838
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
59.052
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 6.899
And I prepare Tails for memory erasure tests 0.440
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.518
Then I find very few patterns in the guest's memory 2.089 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.590
Then patterns cover at least 99% of the test FS size in the guest's memory 2.049 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.729
Then I find very few patterns in the guest's memory after 3 seconds 4.614 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
# read cache
When I mount the USB drive again 3.463
And I read the content of the test FS 0.345
Then patterns cover at least 99% of the test FS size in the guest's memory 1.903 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.499
Then I find very few patterns in the guest's memory after 3 seconds 4.909 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
After features/support/hooks.rb:335 0.862
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
55.423
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 6.891
And I prepare Tails for memory erasure tests 0.398
When I fill a 128 MiB file with a known pattern on the root filesystem 24.499
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.598
Then patterns cover at least 128 MiB in the guest's memory 1.517 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.009
Then I find very few patterns in the guest's memory after 20 seconds 20.508 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
After features/support/hooks.rb:335 3.680
After features/support/hooks.rb:104 0.000
Tags: @product @slow @not_release_blocker
4:35.984
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 3:57.505
And I prepare Tails for memory erasure tests 0.315
When I fill a 128 MiB file with a known pattern on the persistent filesystem 17.237
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.920 
Pattern coverage: 0.000% (0 MiB out of 1461 MiB reference memory)
After features/support/hooks.rb:335 3.797
After features/support/hooks.rb:104 0.009