Project Number Date
test_Tails_ISO_devel 4650 01 Oct 2026, 11:04

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 7:15.961 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
19.147
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 6.147
And I prepare Tails for memory erasure tests 0.319
When I start a process allocating 128 MiB of memory with a known pattern 2.268
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 2.785 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.213
Then I find very few patterns in the guest's memory after 5 seconds 7.413 
Pattern coverage: 0.000% (0 MiB out of 1412 MiB reference memory)
After features/support/hooks.rb:339 0.596
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.594
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 6.118
And I prepare Tails for memory erasure tests 0.282
And I find very few patterns in the guest's memory 2.848 
Pattern coverage: 0.000% (0 MiB out of 1409 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.405
Then patterns cover at least 99% of the test FS size in the guest's memory 2.898 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.343
Then I find very few patterns in the guest's memory after 3 seconds 5.696 
Pattern coverage: 0.000% (0 MiB out of 1409 MiB reference memory)
After features/support/hooks.rb:339 0.685
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
36.551
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 6.157
And I prepare Tails for memory erasure tests 0.285
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.306
Then I find very few patterns in the guest's memory 2.878 
Pattern coverage: 0.000% (0 MiB out of 1401 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.723
Then patterns cover at least 75% of the test FS size in the guest's memory 3.128 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.674
Then I find very few patterns in the guest's memory after 3 seconds 5.639 
Pattern coverage: 0.000% (0 MiB out of 1401 MiB reference memory)
# read cache
When I mount the USB drive again 0.192
And I read the content of the test FS 0.542
Then patterns cover at least 99% of the test FS size in the guest's memory 2.937 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.464
Then I find very few patterns in the guest's memory after 3 seconds 5.621 
Pattern coverage: 0.000% (0 MiB out of 1401 MiB reference memory)
After features/support/hooks.rb:339 0.763
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:1.712
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 6.153
And I prepare Tails for memory erasure tests 0.279
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 29.792
Then I find very few patterns in the guest's memory 2.706 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.085
Then patterns cover at least 99% of the test FS size in the guest's memory 2.757 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.484
Then I find very few patterns in the guest's memory after 3 seconds 5.437 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
# read cache
When I mount the USB drive again 4.009
And I read the content of the test FS 0.341
Then patterns cover at least 99% of the test FS size in the guest's memory 2.593 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.382
Then I find very few patterns in the guest's memory after 3 seconds 5.687 
Pattern coverage: 0.000% (0 MiB out of 1404 MiB reference memory)
After features/support/hooks.rb:339 1.008
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
43.713
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 6.136
And I prepare Tails for memory erasure tests 0.317
When I fill a 128 MiB file with a known pattern on the root filesystem 12.758
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.488
Then patterns cover at least 128 MiB in the guest's memory 2.240 
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 20.766 
Pattern coverage: 0.000% (0 MiB out of 1408 MiB reference memory)
After features/support/hooks.rb:339 3.821
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:15.241
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 3:43.927
And I prepare Tails for memory erasure tests 0.261
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.994
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.055 
Pattern coverage: 0.000% (0 MiB out of 1442 MiB reference memory)
After features/support/hooks.rb:339 3.359
After features/support/hooks.rb:108 0.010