Project Number Date
test_Tails_ISO_devel 4656 04 Oct 2026, 11:17

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 7:43.496 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
20.143
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.003
Given I have started Tails from DVD without network and logged in 6.259
And I prepare Tails for memory erasure tests 0.295
When I start a process allocating 128 MiB of memory with a known pattern 2.187
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.094 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.286
Then I find very few patterns in the guest's memory after 5 seconds 8.020 
Pattern coverage: 0.000% (0 MiB out of 1413 MiB reference memory)
After features/support/hooks.rb:339 0.560
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.730
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 6.314
And I prepare Tails for memory erasure tests 0.317
And I find very few patterns in the guest's memory 2.915 
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 1.518
Then patterns cover at least 99% of the test FS size in the guest's memory 3.132 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.530
Then I find very few patterns in the guest's memory after 3 seconds 6.001 
Pattern coverage: 0.000% (0 MiB out of 1406 MiB reference memory)
After features/support/hooks.rb:339 1.027
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
45.315
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 6.529
And I prepare Tails for memory erasure tests 0.407
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.533
Then I find very few patterns in the guest's memory 3.689 
Pattern coverage: 0.000% (0 MiB out of 1411 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.683
Then patterns cover at least 75% of the test FS size in the guest's memory 6.884 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.725
Then I find very few patterns in the guest's memory after 3 seconds 6.975 
Pattern coverage: 0.000% (0 MiB out of 1411 MiB reference memory)
# read cache
When I mount the USB drive again 0.181
And I read the content of the test FS 0.625
Then patterns cover at least 99% of the test FS size in the guest's memory 4.272 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.366
Then I find very few patterns in the guest's memory after 3 seconds 6.440 
Pattern coverage: 0.000% (0 MiB out of 1411 MiB reference memory)
After features/support/hooks.rb:339 1.088
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:7.402
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 6.463
And I prepare Tails for memory erasure tests 0.354
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.710
Then I find very few patterns in the guest's memory 3.388 
Pattern coverage: 0.000% (0 MiB out of 1408 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.317
Then patterns cover at least 99% of the test FS size in the guest's memory 2.924 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.521
Then I find very few patterns in the guest's memory after 3 seconds 5.503 
Pattern coverage: 0.000% (0 MiB out of 1408 MiB reference memory)
# read cache
When I mount the USB drive again 3.982
And I read the content of the test FS 0.313
Then patterns cover at least 99% of the test FS size in the guest's memory 3.019 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.468
Then I find very few patterns in the guest's memory after 3 seconds 5.435 
Pattern coverage: 0.000% (0 MiB out of 1408 MiB reference memory)
After features/support/hooks.rb:339 0.868
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
45.186
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 6.287
And I prepare Tails for memory erasure tests 0.252
When I fill a 128 MiB file with a known pattern on the root filesystem 14.035
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.728
Then patterns cover at least 128 MiB in the guest's memory 2.144 
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 20.733 
Pattern coverage: 0.000% (0 MiB out of 1411 MiB reference memory)
After features/support/hooks.rb:339 3.338
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:24.716
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 3:52.838
And I prepare Tails for memory erasure tests 0.256
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.545
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.072 
Pattern coverage: 0.000% (0 MiB out of 1401 MiB reference memory)
After features/support/hooks.rb:339 3.515
After features/support/hooks.rb:108 0.010