Project Number Date
test_Tails_ISO_21651-persist-gnome-software-based-on-17367 2 05 Aug 2026, 09:18

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 7:35.424 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
18.192
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 6.745
And I prepare Tails for memory erasure tests 0.316
When I start a process allocating 128 MiB of memory with a known pattern 2.214
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.974 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.191
Then I find very few patterns in the guest's memory after 5 seconds 6.749 
Pattern coverage: 0.000% (0 MiB out of 1456 MiB reference memory)
After features/support/hooks.rb:339 1.057
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
17.172
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 6.493
And I prepare Tails for memory erasure tests 0.371
And I find very few patterns in the guest's memory 1.754 
Pattern coverage: 0.000% (0 MiB out of 1460 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.556
Then patterns cover at least 99% of the test FS size in the guest's memory 1.979 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.334
Then I find very few patterns in the guest's memory after 3 seconds 4.683 
Pattern coverage: 0.000% (0 MiB out of 1460 MiB reference memory)
After features/support/hooks.rb:339 1.130
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
31.648
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 6.507
And I prepare Tails for memory erasure tests 0.374
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.287
Then I find very few patterns in the guest's memory 1.764 
Pattern coverage: 0.000% (0 MiB out of 1464 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.552
Then patterns cover at least 75% of the test FS size in the guest's memory 1.906 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.772
Then I find very few patterns in the guest's memory after 3 seconds 4.660 
Pattern coverage: 0.000% (0 MiB out of 1464 MiB reference memory)
# read cache
When I mount the USB drive again 0.184
And I read the content of the test FS 0.553
Then patterns cover at least 99% of the test FS size in the guest's memory 2.022 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.365
Then I find very few patterns in the guest's memory after 3 seconds 4.696 
Pattern coverage: 0.000% (0 MiB out of 1464 MiB reference memory)
After features/support/hooks.rb:339 0.694
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
57.697
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 6.627
And I prepare Tails for memory erasure tests 0.403
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.130
Then I find very few patterns in the guest's memory 1.836 
Pattern coverage: 0.000% (0 MiB out of 1468 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.153
Then patterns cover at least 99% of the test FS size in the guest's memory 1.828 
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 4.576 
Pattern coverage: 0.000% (0 MiB out of 1468 MiB reference memory)
# read cache
When I mount the USB drive again 4.421
And I read the content of the test FS 0.266
Then patterns cover at least 99% of the test FS size in the guest's memory 1.921 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.381
Then I find very few patterns in the guest's memory after 3 seconds 4.699 
Pattern coverage: 0.000% (0 MiB out of 1468 MiB reference memory)
After features/support/hooks.rb:339 0.682
After features/support/hooks.rb:108 0.001
Tags: @product @slow @not_release_blocker
55.346
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 6.567
And I prepare Tails for memory erasure tests 0.345
When I fill a 128 MiB file with a known pattern on the root filesystem 24.715
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.578
Then patterns cover at least 128 MiB in the guest's memory 1.616 
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 20.517 
Pattern coverage: 0.000% (0 MiB out of 1462 MiB reference memory)
After features/support/hooks.rb:339 3.763
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:35.366
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 3:45.235
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 28.789
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.026 
Pattern coverage: 0.000% (0 MiB out of 1510 MiB reference memory)
After features/support/hooks.rb:339 3.884
After features/support/hooks.rb:108 0.011