Project Number Date
test_Tails_ISO_stable-flatpak 41 09 Oct 2026, 19:45

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 7:21.476 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
19.675
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 6.178
And I prepare Tails for memory erasure tests 0.311
When I start a process allocating 128 MiB of memory with a known pattern 2.253
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.789 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.181
Then I find very few patterns in the guest's memory after 5 seconds 7.961 
Pattern coverage: 0.000% (0 MiB out of 1422 MiB reference memory)
After features/support/hooks.rb:339 0.590
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.944
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 6.312
And I prepare Tails for memory erasure tests 0.325
And I find very few patterns in the guest's memory 2.747 
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 1.412
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" 0.382
Then I find very few patterns in the guest's memory after 3 seconds 5.921 
Pattern coverage: 0.000% (0 MiB out of 1406 MiB reference memory)
After features/support/hooks.rb:339 0.758
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
36.255
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 6.158
And I prepare Tails for memory erasure tests 0.338
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.061
Then I find very few patterns in the guest's memory 2.670 
Pattern coverage: 0.000% (0 MiB out of 1409 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.504
Then patterns cover at least 75% of the test FS size in the guest's memory 3.273 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.723
Then I find very few patterns in the guest's memory after 3 seconds 5.761 
Pattern coverage: 0.000% (0 MiB out of 1409 MiB reference memory)
# read cache
When I mount the USB drive again 0.182
And I read the content of the test FS 0.533
Then patterns cover at least 99% of the test FS size in the guest's memory 2.838 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.384
Then I find very few patterns in the guest's memory after 3 seconds 5.824 
Pattern coverage: 0.000% (0 MiB out of 1409 MiB reference memory)
After features/support/hooks.rb:339 1.075
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:1.372
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.006
Given I have started Tails from DVD without network and logged in 6.219
And I prepare Tails for memory erasure tests 0.319
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.506
Then I find very few patterns in the guest's memory 3.296 
Pattern coverage: 0.000% (0 MiB out of 1417 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.163
Then patterns cover at least 99% of the test FS size in the guest's memory 3.229 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.486
Then I find very few patterns in the guest's memory after 3 seconds 5.493 
Pattern coverage: 0.000% (0 MiB out of 1417 MiB reference memory)
# read cache
When I mount the USB drive again 3.806
And I read the content of the test FS 0.335
Then patterns cover at least 99% of the test FS size in the guest's memory 2.569 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.375
Then I find very few patterns in the guest's memory after 3 seconds 5.571 
Pattern coverage: 0.000% (0 MiB out of 1417 MiB reference memory)
After features/support/hooks.rb:339 0.916
After features/support/hooks.rb:108 0.003
Tags: @product @slow @not_release_blocker
42.868
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 6.267
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 11.973
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.410
Then patterns cover at least 128 MiB in the guest's memory 2.122 
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 20.776 
Pattern coverage: 0.000% (0 MiB out of 1413 MiB reference memory)
After features/support/hooks.rb:339 3.662
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:21.359
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:50.490
And I prepare Tails for memory erasure tests 0.393
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.440
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.030 
Pattern coverage: 0.000% (0 MiB out of 1454 MiB reference memory)
After features/support/hooks.rb:339 3.716
After features/support/hooks.rb:108 0.008