Project Number Date
test_Tails_ISO_stable-flatpak 15 12 Sep 2026, 19:41

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 7:43.644 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
19.333
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 6.186
And I prepare Tails for memory erasure tests 0.285
When I start a process allocating 128 MiB of memory with a known pattern 2.174
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.804 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.161
Then I find very few patterns in the guest's memory after 5 seconds 7.719 
Pattern coverage: 0.000% (0 MiB out of 1421 MiB reference memory)
After features/support/hooks.rb:339 0.835
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
23.004
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 6.175
And I prepare Tails for memory erasure tests 0.288
And I find very few patterns in the guest's memory 2.478 
Pattern coverage: 0.000% (0 MiB out of 1419 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.468
Then patterns cover at least 99% of the test FS size in the guest's memory 3.309 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.413
Then I find very few patterns in the guest's memory after 3 seconds 8.870 
Pattern coverage: 0.000% (0 MiB out of 1419 MiB reference memory)
After features/support/hooks.rb:339 0.724
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
46.005
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 6.116
And I prepare Tails for memory erasure tests 0.293
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.421
Then I find very few patterns in the guest's memory 5.757 
Pattern coverage: 0.000% (0 MiB out of 1412 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.554
Then patterns cover at least 75% of the test FS size in the guest's memory 5.332 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.670
Then I find very few patterns in the guest's memory after 3 seconds 7.701 
Pattern coverage: 0.000% (0 MiB out of 1412 MiB reference memory)
# read cache
When I mount the USB drive again 0.163
And I read the content of the test FS 0.539
Then patterns cover at least 99% of the test FS size in the guest's memory 4.213 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.380
Then I find very few patterns in the guest's memory after 3 seconds 6.861 
Pattern coverage: 0.000% (0 MiB out of 1412 MiB reference memory)
After features/support/hooks.rb:339 0.692
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:0.134
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 6.381
And I prepare Tails for memory erasure tests 0.357
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.570
Then I find very few patterns in the guest's memory 2.439 
Pattern coverage: 0.000% (0 MiB out of 1409 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.210
Then patterns cover at least 99% of the test FS size in the guest's memory 2.825 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.424
Then I find very few patterns in the guest's memory after 3 seconds 5.466 
Pattern coverage: 0.000% (0 MiB out of 1409 MiB reference memory)
# read cache
When I mount the USB drive again 3.835
And I read the content of the test FS 0.349
Then patterns cover at least 99% of the test FS size in the guest's memory 2.552 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.357
Then I find very few patterns in the guest's memory after 3 seconds 5.364 
Pattern coverage: 0.000% (0 MiB out of 1409 MiB reference memory)
After features/support/hooks.rb:339 0.704
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
43.995
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 6.214
And I prepare Tails for memory erasure tests 0.271
When I fill a 128 MiB file with a known pattern on the root filesystem 13.033
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.345
Then patterns cover at least 128 MiB in the guest's memory 2.340 
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 20.785 
Pattern coverage: 0.000% (0 MiB out of 1420 MiB reference memory)
After features/support/hooks.rb:339 3.593
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:31.171
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:58.198
And I prepare Tails for memory erasure tests 0.284
When I fill a 128 MiB file with a known pattern on the persistent filesystem 11.522
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.161 
Pattern coverage: 0.000% (0 MiB out of 1386 MiB reference memory)
After features/support/hooks.rb:339 3.500
After features/support/hooks.rb:108 0.011