Project Number Date
test_Tails_ISO_stable-flatpak 23 20 Sep 2026, 19:39

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 7:21.606 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
19.227
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 6.164
And I prepare Tails for memory erasure tests 0.281
When I start a process allocating 128 MiB of memory with a known pattern 2.173
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.820 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.216
Then I find very few patterns in the guest's memory after 5 seconds 7.570 
Pattern coverage: 0.000% (0 MiB out of 1398 MiB reference memory)
After features/support/hooks.rb:339 0.978
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.928
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 6.243
And I prepare Tails for memory erasure tests 0.274
And I find very few patterns in the guest's memory 2.706 
Pattern coverage: 0.000% (0 MiB out of 1405 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.523
Then patterns cover at least 99% of the test FS size in the guest's memory 3.049 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.408
Then I find very few patterns in the guest's memory after 3 seconds 5.722 
Pattern coverage: 0.000% (0 MiB out of 1405 MiB reference memory)
After features/support/hooks.rb:339 0.803
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
38.556
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 6.260
And I prepare Tails for memory erasure tests 0.274
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.298
Then I find very few patterns in the guest's memory 2.734 
Pattern coverage: 0.000% (0 MiB out of 1409 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.933
Then patterns cover at least 75% of the test FS size in the guest's memory 3.172 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.738
Then I find very few patterns in the guest's memory after 3 seconds 5.761 
Pattern coverage: 0.000% (0 MiB out of 1409 MiB reference memory)
# read cache
When I mount the USB drive again 0.196
And I read the content of the test FS 0.672
Then patterns cover at least 99% of the test FS size in the guest's memory 3.303 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.449
Then I find very few patterns in the guest's memory after 3 seconds 5.760 
Pattern coverage: 0.000% (0 MiB out of 1409 MiB reference memory)
After features/support/hooks.rb:339 0.696
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:0.620
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 6.159
And I prepare Tails for memory erasure tests 0.257
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.343
Then I find very few patterns in the guest's memory 2.711 
Pattern coverage: 0.000% (0 MiB out of 1409 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.232
Then patterns cover at least 99% of the test FS size in the guest's memory 2.866 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.531
Then I find very few patterns in the guest's memory after 3 seconds 5.482 
Pattern coverage: 0.000% (0 MiB out of 1409 MiB reference memory)
# read cache
When I mount the USB drive again 3.948
And I read the content of the test FS 0.324
Then patterns cover at least 99% of the test FS size in the guest's memory 2.847 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.449
Then I find very few patterns in the guest's memory after 3 seconds 5.466 
Pattern coverage: 0.000% (0 MiB out of 1409 MiB reference memory)
After features/support/hooks.rb:339 0.634
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.195
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 6.086
And I prepare Tails for memory erasure tests 0.270
When I fill a 128 MiB file with a known pattern on the root filesystem 13.421
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.434
Then patterns cover at least 128 MiB in the guest's memory 2.236 
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 20.738 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
After features/support/hooks.rb:339 3.882
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:19.077
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 3:48.147
And I prepare Tails for memory erasure tests 0.255
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.619
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.050 
Pattern coverage: 0.000% (0 MiB out of 1431 MiB reference memory)
After features/support/hooks.rb:339 3.606
After features/support/hooks.rb:108 0.010