Project Number Date
test_Tails_ISO_devel 4212 05 Feb 2026, 11:56

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 7:25.151 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
19.346
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 6.686
And I prepare Tails for memory erasure tests 0.489
When I start a process allocating 128 MiB of memory with a known pattern 2.216
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.195 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.916
Then I find very few patterns in the guest's memory after 5 seconds 6.841 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
After features/support/hooks.rb:331 0.960
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
19.090
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 6.808
And I prepare Tails for memory erasure tests 0.591
And I find very few patterns in the guest's memory 1.812 
Pattern coverage: 0.000% (0 MiB out of 1499 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.089
Then patterns cover at least 99% of the test FS size in the guest's memory 2.171 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.762
Then I find very few patterns in the guest's memory after 3 seconds 4.855 
Pattern coverage: 0.000% (0 MiB out of 1499 MiB reference memory)
After features/support/hooks.rb:331 0.767
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
33.824
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 6.631
And I prepare Tails for memory erasure tests 0.494
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.477
Then I find very few patterns in the guest's memory 2.045 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.785
Then patterns cover at least 75% of the test FS size in the guest's memory 2.128 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.340
Then I find very few patterns in the guest's memory after 3 seconds 4.992 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
# read cache
When I mount the USB drive again 0.164
And I read the content of the test FS 0.453
Then patterns cover at least 99% of the test FS size in the guest's memory 2.135 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.247
Then I find very few patterns in the guest's memory after 3 seconds 4.926 
Pattern coverage: 0.000% (0 MiB out of 1494 MiB reference memory)
After features/support/hooks.rb:331 0.983
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
57.736
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 6.599
And I prepare Tails for memory erasure tests 0.483
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.486
Then I find very few patterns in the guest's memory 1.915 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.152
Then patterns cover at least 99% of the test FS size in the guest's memory 1.866 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.471
Then I find very few patterns in the guest's memory after 3 seconds 4.753 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
# read cache
When I mount the USB drive again 4.457
And I read the content of the test FS 0.301
Then patterns cover at least 99% of the test FS size in the guest's memory 2.013 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.471
Then I find very few patterns in the guest's memory after 3 seconds 4.759 
Pattern coverage: 0.000% (0 MiB out of 1492 MiB reference memory)
After features/support/hooks.rb:331 1.075
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
45.144
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 6.760
And I prepare Tails for memory erasure tests 0.443
When I fill a 128 MiB file with a known pattern on the root filesystem 14.234
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.643
Then patterns cover at least 128 MiB in the guest's memory 1.495 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.561 
Pattern coverage: 0.000% (0 MiB out of 1495 MiB reference memory)
After features/support/hooks.rb:331 3.475
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:30.009
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:57.367
And I prepare Tails for memory erasure tests 0.346
When I fill a 128 MiB file with a known pattern on the persistent filesystem 11.246
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.044 
Pattern coverage: 0.000% (0 MiB out of 1529 MiB reference memory)
After features/support/hooks.rb:331 4.114
After features/support/hooks.rb:100 0.012