Project Number Date
test_Tails_ISO_stable-flatpak 32 30 Sep 2026, 19:47

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 8:2.173 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
20.239
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.007
Given I have started Tails from DVD without network and logged in 6.533
And I prepare Tails for memory erasure tests 0.362
When I start a process allocating 128 MiB of memory with a known pattern 2.194
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.044 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.200
Then I find very few patterns in the guest's memory after 5 seconds 7.903 
Pattern coverage: 0.000% (0 MiB out of 1415 MiB reference memory)
After features/support/hooks.rb:339 1.041
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
20.830
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.009
Given I have started Tails from DVD without network and logged in 6.719
And I prepare Tails for memory erasure tests 0.415
And I find very few patterns in the guest's memory 2.829 
Pattern coverage: 0.000% (0 MiB out of 1412 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.633
Then patterns cover at least 99% of the test FS size in the guest's memory 2.977 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.357
Then I find very few patterns in the guest's memory after 3 seconds 5.896 
Pattern coverage: 0.000% (0 MiB out of 1412 MiB reference memory)
After features/support/hooks.rb:339 1.223
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
49.044
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.016
Given I have started Tails from DVD without network and logged in 6.975
And I prepare Tails for memory erasure tests 0.351
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.491
Then I find very few patterns in the guest's memory 3.448 
Pattern coverage: 0.000% (0 MiB out of 1402 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.404
Then patterns cover at least 75% of the test FS size in the guest's memory 6.829 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.721
Then I find very few patterns in the guest's memory after 3 seconds 7.883 
Pattern coverage: 0.000% (0 MiB out of 1402 MiB reference memory)
# read cache
When I mount the USB drive again 0.194
And I read the content of the test FS 0.638
Then patterns cover at least 99% of the test FS size in the guest's memory 5.654 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.474
Then I find very few patterns in the guest's memory after 3 seconds 7.976 
Pattern coverage: 0.000% (0 MiB out of 1402 MiB reference memory)
After features/support/hooks.rb:339 0.777
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:1.074
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 6.339
And I prepare Tails for memory erasure tests 0.398
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.023
Then I find very few patterns in the guest's memory 2.767 
Pattern coverage: 0.000% (0 MiB out of 1410 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.178
Then patterns cover at least 99% of the test FS size in the guest's memory 2.775 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.537
Then I find very few patterns in the guest's memory after 3 seconds 5.706 
Pattern coverage: 0.000% (0 MiB out of 1410 MiB reference memory)
# read cache
When I mount the USB drive again 3.912
And I read the content of the test FS 0.356
Then patterns cover at least 99% of the test FS size in the guest's memory 2.862 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.489
Then I find very few patterns in the guest's memory after 3 seconds 5.726 
Pattern coverage: 0.000% (0 MiB out of 1410 MiB reference memory)
After features/support/hooks.rb:339 0.649
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
43.823
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 6.227
And I prepare Tails for memory erasure tests 0.434
When I fill a 128 MiB file with a known pattern on the root filesystem 12.426
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.695
Then patterns cover at least 128 MiB in the guest's memory 2.235 
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 20.798 
Pattern coverage: 0.000% (0 MiB out of 1417 MiB reference memory)
After features/support/hooks.rb:339 3.797
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:47.161
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 4:16.128
And I prepare Tails for memory erasure tests 0.308
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.548
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.171 
Pattern coverage: 0.000% (0 MiB out of 1460 MiB reference memory)
After features/support/hooks.rb:339 3.523
After features/support/hooks.rb:108 0.031