Project Number Date
test_Tails_ISO_21742-tor-browser-15.0.21 5 01 Sep 2026, 20:29

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 7:50.610 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
20.521
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 6.485
And I prepare Tails for memory erasure tests 0.374
When I start a process allocating 128 MiB of memory with a known pattern 2.203
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.117 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.809
Then I find very few patterns in the guest's memory after 5 seconds 7.530 
Pattern coverage: 0.000% (0 MiB out of 1472 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
20.394
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 6.719
And I prepare Tails for memory erasure tests 0.392
And I find very few patterns in the guest's memory 2.776 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.446
Then patterns cover at least 99% of the test FS size in the guest's memory 2.860 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.391
Then I find very few patterns in the guest's memory after 3 seconds 5.807 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
After features/support/hooks.rb:339 0.968
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
37.731
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 0.434
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.461
Then I find very few patterns in the guest's memory 3.026 
Pattern coverage: 0.000% (0 MiB out of 1468 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.690
Then patterns cover at least 75% of the test FS size in the guest's memory 3.147 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.762
Then I find very few patterns in the guest's memory after 3 seconds 5.769 
Pattern coverage: 0.000% (0 MiB out of 1468 MiB reference memory)
# read cache
When I mount the USB drive again 0.210
And I read the content of the test FS 0.576
Then patterns cover at least 99% of the test FS size in the guest's memory 3.008 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.422
Then I find very few patterns in the guest's memory after 3 seconds 5.654 
Pattern coverage: 0.000% (0 MiB out of 1468 MiB reference memory)
After features/support/hooks.rb:339 1.103
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:5.470
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 6.565
And I prepare Tails for memory erasure tests 0.389
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 32.035
Then I find very few patterns in the guest's memory 2.701 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.194
Then patterns cover at least 99% of the test FS size in the guest's memory 3.071 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.560
Then I find very few patterns in the guest's memory after 3 seconds 5.736 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
# read cache
When I mount the USB drive again 3.938
And I read the content of the test FS 0.326
Then patterns cover at least 99% of the test FS size in the guest's memory 2.649 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.431
Then I find very few patterns in the guest's memory after 3 seconds 5.872 
Pattern coverage: 0.000% (0 MiB out of 1478 MiB reference memory)
After features/support/hooks.rb:339 0.773
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
43.695
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.001
Given I have started Tails from DVD without network and logged in 6.584
And I prepare Tails for memory erasure tests 0.336
When I fill a 128 MiB file with a known pattern on the root filesystem 12.188
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.521
Then patterns cover at least 128 MiB in the guest's memory 2.290 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.008
Then I find very few patterns in the guest's memory after 20 seconds 20.764 
Pattern coverage: 0.000% (0 MiB out of 1471 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
4:42.797
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 4:11.698
And I prepare Tails for memory erasure tests 0.349
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.680
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 21.062 
Pattern coverage: 0.000% (0 MiB out of 1525 MiB reference memory)
After features/support/hooks.rb:339 3.888
After features/support/hooks.rb:108 0.023