Project Number Date
test_Tails_ISO_devel 4130 19 Dec 2025, 08:15

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 6:47.227 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
17.308
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 6.599
And I prepare Tails for memory erasure tests 0.325
When I start a process allocating 128 MiB of memory with a known pattern 1.144
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.928 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.535
Then I find very few patterns in the guest's memory after 5 seconds 6.774 
Pattern coverage: 0.000% (0 MiB out of 1483 MiB reference memory)
After features/support/hooks.rb:331 0.935
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
16.927
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 6.669
And I prepare Tails for memory erasure tests 0.318
And I find very few patterns in the guest's memory 1.683 
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 1.381
Then patterns cover at least 99% of the test FS size in the guest's memory 1.900 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.284
Then I find very few patterns in the guest's memory after 3 seconds 4.689 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
After features/support/hooks.rb:331 1.032
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
30.584
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 6.509
And I prepare Tails for memory erasure tests 0.309
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.033
Then I find very few patterns in the guest's memory 1.690 
Pattern coverage: 0.000% (0 MiB out of 1467 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.931
Then patterns cover at least 75% of the test FS size in the guest's memory 1.937 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.661
Then I find very few patterns in the guest's memory after 3 seconds 4.843 
Pattern coverage: 0.000% (0 MiB out of 1467 MiB reference memory)
# read cache
When I mount the USB drive again 0.195
And I read the content of the test FS 0.447
Then patterns cover at least 99% of the test FS size in the guest's memory 1.900 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.342
Then I find very few patterns in the guest's memory after 3 seconds 4.781 
Pattern coverage: 0.000% (0 MiB out of 1467 MiB reference memory)
After features/support/hooks.rb:331 0.662
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.089
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 6.440
And I prepare Tails for memory erasure tests 0.287
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 26.777
Then I find very few patterns in the guest's memory 1.706 
Pattern coverage: 0.000% (0 MiB out of 1469 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.169
Then patterns cover at least 99% of the test FS size in the guest's memory 1.771 
Pattern coverage: 106.115% (97 MiB out of 91 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 4.555 
Pattern coverage: 0.000% (0 MiB out of 1469 MiB reference memory)
# read cache
When I mount the USB drive again 3.843
And I read the content of the test FS 0.262
Then patterns cover at least 99% of the test FS size in the guest's memory 1.766 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.386
Then I find very few patterns in the guest's memory after 3 seconds 4.657 
Pattern coverage: 0.000% (0 MiB out of 1469 MiB reference memory)
After features/support/hooks.rb:331 0.676
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
42.514
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails from DVD without network and logged in 6.417
And I prepare Tails for memory erasure tests 0.311
When I fill a 128 MiB file with a known pattern on the root filesystem 11.908
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.840
Then patterns cover at least 128 MiB in the guest's memory 1.494 
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 20.536 
Pattern coverage: 0.000% (0 MiB out of 1472 MiB reference memory)
After features/support/hooks.rb:331 3.526
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:5.803
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.001
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 3:34.555
And I prepare Tails for memory erasure tests 0.310
When I fill a 128 MiB file with a known pattern on the persistent filesystem 10.009
When I trigger shutdown 0.006
Then I find very few patterns in the guest's memory after 20 seconds 20.922 
Pattern coverage: 0.000% (0 MiB out of 1484 MiB reference memory)
After features/support/hooks.rb:331 3.437
After features/support/hooks.rb:100 0.008