Project Number Date
test_Tails_ISO_21318-tor-browser-16.0 14 15 Jun 2026, 08:05

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 7:14.642 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
17.027
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 6.828
And I prepare Tails for memory erasure tests 0.346
When I start a process allocating 128 MiB of memory with a known pattern 1.147
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.924 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.155
Then I find very few patterns in the guest's memory after 5 seconds 6.623 
Pattern coverage: 0.000% (0 MiB out of 1480 MiB reference memory)
After features/support/hooks.rb:339 0.715
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
17.519
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 6.750
And I prepare Tails for memory erasure tests 0.476
And I find very few patterns in the guest's memory 1.810 
Pattern coverage: 0.000% (0 MiB out of 1497 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.499
Then patterns cover at least 99% of the test FS size in the guest's memory 1.951 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.277
Then I find very few patterns in the guest's memory after 3 seconds 4.753 
Pattern coverage: 0.000% (0 MiB out of 1497 MiB reference memory)
After features/support/hooks.rb:339 0.668
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
31.571
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 6.812
And I prepare Tails for memory erasure tests 0.303
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.408
Then I find very few patterns in the guest's memory 1.702 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.433
Then patterns cover at least 75% of the test FS size in the guest's memory 1.945 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.670
Then I find very few patterns in the guest's memory after 3 seconds 4.727 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
# read cache
When I mount the USB drive again 0.172
And I read the content of the test FS 0.443
Then patterns cover at least 99% of the test FS size in the guest's memory 1.938 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.324
Then I find very few patterns in the guest's memory after 3 seconds 4.688 
Pattern coverage: 0.000% (0 MiB out of 1487 MiB reference memory)
After features/support/hooks.rb:339 0.681
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
53.893
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 6.756
And I prepare Tails for memory erasure tests 0.309
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 26.563
Then I find very few patterns in the guest's memory 1.517 
Pattern coverage: 0.000% (0 MiB out of 1495 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.242
Then patterns cover at least 99% of the test FS size in the guest's memory 1.964 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.420
Then I find very few patterns in the guest's memory after 3 seconds 4.669 
Pattern coverage: 0.000% (0 MiB out of 1495 MiB reference memory)
# read cache
When I mount the USB drive again 3.519
And I read the content of the test FS 0.277
Then patterns cover at least 99% of the test FS size in the guest's memory 1.728 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.364
Then I find very few patterns in the guest's memory after 3 seconds 4.559 
Pattern coverage: 0.000% (0 MiB out of 1495 MiB reference memory)
After features/support/hooks.rb:339 0.895
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
50.667
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 6.986
And I prepare Tails for memory erasure tests 0.431
When I fill a 128 MiB file with a known pattern on the root filesystem 19.141
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.979
Then patterns cover at least 128 MiB in the guest's memory 1.541 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.572 
Pattern coverage: 0.000% (0 MiB out of 1500 MiB reference memory)
After features/support/hooks.rb:339 3.873
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:23.962
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.012
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:44.300
And I prepare Tails for memory erasure tests 0.288
When I fill a 128 MiB file with a known pattern on the persistent filesystem 18.506
When I trigger shutdown 0.009
Then I find very few patterns in the guest's memory after 20 seconds 20.856 
Pattern coverage: 0.000% (0 MiB out of 1534 MiB reference memory)
After features/support/hooks.rb:339 3.749
After features/support/hooks.rb:108 0.027