Project Number Date
test_Tails_ISO_21318-tor-browser-16.0 15 16 Jun 2026, 08:12

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 7:29.600 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
16.737
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.015
Given I have started Tails from DVD without network and logged in 6.740
And I prepare Tails for memory erasure tests 0.301
When I start a process allocating 128 MiB of memory with a known pattern 1.162
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.792 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.165
Then I find very few patterns in the guest's memory after 5 seconds 6.576 
Pattern coverage: 0.000% (0 MiB out of 1501 MiB reference memory)
After features/support/hooks.rb:339 0.962
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
17.208
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.015
Given I have started Tails from DVD without network and logged in 6.928
And I prepare Tails for memory erasure tests 0.319
And I find very few patterns in the guest's memory 1.607 
Pattern coverage: 0.000% (0 MiB out of 1503 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.457
Then patterns cover at least 99% of the test FS size in the guest's memory 1.865 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.315
Then I find very few patterns in the guest's memory after 3 seconds 4.715 
Pattern coverage: 0.000% (0 MiB out of 1503 MiB reference memory)
After features/support/hooks.rb:339 0.991
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
31.312
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.015
Given I have started Tails from DVD without network and logged in 6.857
And I prepare Tails for memory erasure tests 0.356
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.067
Then I find very few patterns in the guest's memory 1.663 
Pattern coverage: 0.000% (0 MiB out of 1509 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.565
Then patterns cover at least 75% of the test FS size in the guest's memory 2.025 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.764
Then I find very few patterns in the guest's memory after 3 seconds 4.697 
Pattern coverage: 0.000% (0 MiB out of 1509 MiB reference memory)
# read cache
When I mount the USB drive again 0.188
And I read the content of the test FS 0.368
Then patterns cover at least 99% of the test FS size in the guest's memory 1.809 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.377
Then I find very few patterns in the guest's memory after 3 seconds 4.569 
Pattern coverage: 0.000% (0 MiB out of 1509 MiB reference memory)
After features/support/hooks.rb:339 0.938
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
56.251
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.037
Given I have started Tails from DVD without network and logged in 6.800
And I prepare Tails for memory erasure tests 0.359
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 27.966
Then I find very few patterns in the guest's memory 1.596 
Pattern coverage: 0.000% (0 MiB out of 1509 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.326
Then patterns cover at least 99% of the test FS size in the guest's memory 1.751 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.519
Then I find very few patterns in the guest's memory after 3 seconds 4.834 
Pattern coverage: 0.000% (0 MiB out of 1509 MiB reference memory)
# read cache
When I mount the USB drive again 4.054
And I read the content of the test FS 0.315
Then patterns cover at least 99% of the test FS size in the guest's memory 1.801 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.421
Then I find very few patterns in the guest's memory after 3 seconds 4.502 
Pattern coverage: 0.000% (0 MiB out of 1509 MiB reference memory)
After features/support/hooks.rb:339 1.018
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
52.169
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.020
Given I have started Tails from DVD without network and logged in 6.901
And I prepare Tails for memory erasure tests 0.388
When I fill a 128 MiB file with a known pattern on the root filesystem 21.086
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.854
Then patterns cover at least 128 MiB in the guest's memory 1.403 
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 20.526 
Pattern coverage: 0.000% (0 MiB out of 1501 MiB reference memory)
After features/support/hooks.rb:339 3.384
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:35.920
Before features/support/hooks.rb:274 0.000
Before features/support/hooks.rb:281 0.016
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:55.309
And I prepare Tails for memory erasure tests 0.368
When I fill a 128 MiB file with a known pattern on the persistent filesystem 19.375
When I trigger shutdown 0.005
Then I find very few patterns in the guest's memory after 20 seconds 20.862 
Pattern coverage: 0.000% (0 MiB out of 1518 MiB reference memory)
After features/support/hooks.rb:339 3.812
After features/support/hooks.rb:108 0.041