Project Number Date
test_Tails_ISO_stable-flatpak 1 08 Sep 2026, 12:25

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 8:12.724 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
23.421
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 6.724
And I prepare Tails for memory erasure tests 0.302
When I start a process allocating 128 MiB of memory with a known pattern 2.198
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 5.018 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.180
Then I find very few patterns in the guest's memory after 5 seconds 8.997 
Pattern coverage: 0.000% (0 MiB out of 1403 MiB reference memory)
After features/support/hooks.rb:339 1.003
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
23.931
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 6.677
And I prepare Tails for memory erasure tests 0.373
And I find very few patterns in the guest's memory 4.534 
Pattern coverage: 0.000% (0 MiB out of 1423 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.558
Then patterns cover at least 99% of the test FS size in the guest's memory 3.930 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.378
Then I find very few patterns in the guest's memory after 3 seconds 6.478 
Pattern coverage: 0.000% (0 MiB out of 1423 MiB reference memory)
After features/support/hooks.rb:339 0.766
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
39.165
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 7.007
And I prepare Tails for memory erasure tests 0.662
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.502
Then I find very few patterns in the guest's memory 3.281 
Pattern coverage: 0.000% (0 MiB out of 1413 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.600
Then patterns cover at least 75% of the test FS size in the guest's memory 3.446 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.657
Then I find very few patterns in the guest's memory after 3 seconds 6.119 
Pattern coverage: 0.000% (0 MiB out of 1413 MiB reference memory)
# read cache
When I mount the USB drive again 0.202
And I read the content of the test FS 0.561
Then patterns cover at least 99% of the test FS size in the guest's memory 2.935 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.435
Then I find very few patterns in the guest's memory after 3 seconds 5.751 
Pattern coverage: 0.000% (0 MiB out of 1413 MiB reference memory)
After features/support/hooks.rb:339 0.610
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:4.982
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 6.538
And I prepare Tails for memory erasure tests 0.388
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.352
Then I find very few patterns in the guest's memory 2.792 
Pattern coverage: 0.000% (0 MiB out of 1422 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.127
Then patterns cover at least 99% of the test FS size in the guest's memory 3.044 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.589
Then I find very few patterns in the guest's memory after 3 seconds 6.078 
Pattern coverage: 0.000% (0 MiB out of 1422 MiB reference memory)
# read cache
When I mount the USB drive again 4.505
And I read the content of the test FS 0.434
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 0.479
Then I find very few patterns in the guest's memory after 3 seconds 5.825 
Pattern coverage: 0.000% (0 MiB out of 1422 MiB reference memory)
After features/support/hooks.rb:339 0.869
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
46.384
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 6.972
And I prepare Tails for memory erasure tests 0.354
When I fill a 128 MiB file with a known pattern on the root filesystem 13.580
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.147
Then patterns cover at least 128 MiB in the guest's memory 2.470 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.007
Then I find very few patterns in the guest's memory after 20 seconds 20.851 
Pattern coverage: 0.000% (0 MiB out of 1420 MiB reference memory)
After features/support/hooks.rb:339 3.633
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:54.840
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 4:22.616
And I prepare Tails for memory erasure tests 0.263
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.754
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.189 
Pattern coverage: 0.000% (0 MiB out of 1402 MiB reference memory)
After features/support/hooks.rb:339 3.418
After features/support/hooks.rb:108 0.021