Project Number Date
test_Tails_ISO_21736-reject-unsupported-installs 20 24 Oct 2026, 05:57

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 7:19.188 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
20.056
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 6.204
And I prepare Tails for memory erasure tests 0.263
When I start a process allocating 128 MiB of memory with a known pattern 2.164
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 3.067 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.762
Then I find very few patterns in the guest's memory after 5 seconds 7.594 
Pattern coverage: 0.000% (0 MiB out of 1399 MiB reference memory)
After features/support/hooks.rb:339 0.637
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
19.455
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 6.200
And I prepare Tails for memory erasure tests 0.331
And I find very few patterns in the guest's memory 2.685 
Pattern coverage: 0.000% (0 MiB out of 1395 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.447
Then patterns cover at least 99% of the test FS size in the guest's memory 2.846 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.338
Then I find very few patterns in the guest's memory after 3 seconds 5.605 
Pattern coverage: 0.000% (0 MiB out of 1395 MiB reference memory)
After features/support/hooks.rb:339 0.730
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
36.175
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 6.176
And I prepare Tails for memory erasure tests 0.318
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.246
Then I find very few patterns in the guest's memory 2.745 
Pattern coverage: 0.000% (0 MiB out of 1409 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.561
Then patterns cover at least 75% of the test FS size in the guest's memory 2.979 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.642
Then I find very few patterns in the guest's memory after 3 seconds 5.644 
Pattern coverage: 0.000% (0 MiB out of 1409 MiB reference memory)
# read cache
When I mount the USB drive again 0.199
And I read the content of the test FS 0.514
Then patterns cover at least 99% of the test FS size in the guest's memory 3.081 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.437
Then I find very few patterns in the guest's memory after 3 seconds 5.629 
Pattern coverage: 0.000% (0 MiB out of 1409 MiB reference memory)
After features/support/hooks.rb:339 0.533
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
1:0.598
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 6.129
And I prepare Tails for memory erasure tests 0.289
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.724
Then I find very few patterns in the guest's memory 2.479 
Pattern coverage: 0.000% (0 MiB out of 1391 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.076
Then patterns cover at least 99% of the test FS size in the guest's memory 2.703 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.478
Then I find very few patterns in the guest's memory after 3 seconds 5.865 
Pattern coverage: 0.000% (0 MiB out of 1391 MiB reference memory)
# read cache
When I mount the USB drive again 3.937
And I read the content of the test FS 0.383
Then patterns cover at least 99% of the test FS size in the guest's memory 2.638 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.470
Then I find very few patterns in the guest's memory after 3 seconds 5.419 
Pattern coverage: 0.000% (0 MiB out of 1391 MiB reference memory)
After features/support/hooks.rb:339 0.650
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
44.059
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 6.286
And I prepare Tails for memory erasure tests 0.333
When I fill a 128 MiB file with a known pattern on the root filesystem 13.125
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.473
Then patterns cover at least 128 MiB in the guest's memory 2.107 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 20.728 
Pattern coverage: 0.000% (0 MiB out of 1402 MiB reference memory)
After features/support/hooks.rb:339 3.466
After features/support/hooks.rb:108 0.000
Tags: @product @slow @not_release_blocker
4:18.843
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 3:47.084
And I prepare Tails for memory erasure tests 0.258
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.306
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 21.189 
Pattern coverage: 0.000% (0 MiB out of 1454 MiB reference memory)
After features/support/hooks.rb:339 3.815
After features/support/hooks.rb:108 0.010