Project Number Date
test_Tails_ISO_stable-flatpak 29 27 Sep 2026, 20:11

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 7:34.535 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
20.333
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 6.171
And I prepare Tails for memory erasure tests 0.292
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 3.246 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.719
Then I find very few patterns in the guest's memory after 5 seconds 7.715 
Pattern coverage: 0.000% (0 MiB out of 1398 MiB reference memory)
After features/support/hooks.rb:339 0.882
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
22.432
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 6.207
And I prepare Tails for memory erasure tests 0.252
And I find very few patterns in the guest's memory 2.795 
Pattern coverage: 0.000% (0 MiB out of 1407 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.392
Then patterns cover at least 99% of the test FS size in the guest's memory 3.818 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.337
Then I find very few patterns in the guest's memory after 3 seconds 7.628 
Pattern coverage: 0.000% (0 MiB out of 1407 MiB reference memory)
After features/support/hooks.rb:339 0.731
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.131
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 6.161
And I prepare Tails for memory erasure tests 0.448
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.181
Then I find very few patterns in the guest's memory 4.162 
Pattern coverage: 0.000% (0 MiB out of 1396 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.499
Then patterns cover at least 75% of the test FS size in the guest's memory 5.269 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.620
Then I find very few patterns in the guest's memory after 3 seconds 6.691 
Pattern coverage: 0.000% (0 MiB out of 1396 MiB reference memory)
# read cache
When I mount the USB drive again 0.150
And I read the content of the test FS 0.656
Then patterns cover at least 99% of the test FS size in the guest's memory 5.024 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.332
Then I find very few patterns in the guest's memory after 3 seconds 6.933 
Pattern coverage: 0.000% (0 MiB out of 1396 MiB reference memory)
After features/support/hooks.rb:339 0.585
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:1.036
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 6.271
And I prepare Tails for memory erasure tests 0.315
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.128
Then I find very few patterns in the guest's memory 2.764 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.247
Then patterns cover at least 99% of the test FS size in the guest's memory 2.808 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.501
Then I find very few patterns in the guest's memory after 3 seconds 5.701 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
# read cache
When I mount the USB drive again 3.885
And I read the content of the test FS 0.327
Then patterns cover at least 99% of the test FS size in the guest's memory 2.304 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.391
Then I find very few patterns in the guest's memory after 3 seconds 5.388 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
After features/support/hooks.rb:339 0.891
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.185
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 6.169
And I prepare Tails for memory erasure tests 0.285
When I fill a 128 MiB file with a known pattern on the root filesystem 13.317
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.462
Then patterns cover at least 128 MiB in the guest's memory 2.159 
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 20.784 
Pattern coverage: 0.000% (0 MiB out of 1416 MiB reference memory)
After features/support/hooks.rb:339 3.347
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:22.416
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:50.765
And I prepare Tails for memory erasure tests 0.245
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.211
When I trigger shutdown 0.007
Then I find very few patterns in the guest's memory after 20 seconds 21.186 
Pattern coverage: 0.000% (0 MiB out of 1428 MiB reference memory)
After features/support/hooks.rb:339 3.750
After features/support/hooks.rb:108 0.010