Project Number Date
test_Tails_ISO_devel 4139 27 Dec 2025, 11:30

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 6:53.379 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
17.335
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 6.566
And I prepare Tails for memory erasure tests 0.298
When I start a process allocating 128 MiB of memory with a known pattern 1.180
# Since Debian Trixie we only get 99.610% coverage (tails#21012)
Then patterns cover at least 127 MiB in the guest's memory 1.848 
Pattern coverage: 100.395% (127 MiB out of 127 MiB reference memory)
When I kill the allocating process 0.631
Then I find very few patterns in the guest's memory after 5 seconds 6.810 
Pattern coverage: 0.000% (0 MiB out of 1477 MiB reference memory)
After features/support/hooks.rb:331 0.877
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
16.426
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 6.486
And I prepare Tails for memory erasure tests 0.281
And I find very few patterns in the guest's memory 1.543 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.344
Then patterns cover at least 99% of the test FS size in the guest's memory 1.815 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.271
Then I find very few patterns in the guest's memory after 3 seconds 4.681 
Pattern coverage: 0.000% (0 MiB out of 1473 MiB reference memory)
After features/support/hooks.rb:331 0.842
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
30.404
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 6.554
And I prepare Tails for memory erasure tests 0.286
When I plug and mount a 128 MiB USB drive with a vfat filesystem 5.159
Then I find very few patterns in the guest's memory 1.579 
Pattern coverage: 0.000% (0 MiB out of 1463 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.970
Then patterns cover at least 75% of the test FS size in the guest's memory 1.927 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.666
Then I find very few patterns in the guest's memory after 3 seconds 4.749 
Pattern coverage: 0.000% (0 MiB out of 1463 MiB reference memory)
# read cache
When I mount the USB drive again 0.143
And I read the content of the test FS 0.465
Then patterns cover at least 99% of the test FS size in the guest's memory 1.888 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.359
Then I find very few patterns in the guest's memory after 3 seconds 4.654 
Pattern coverage: 0.000% (0 MiB out of 1463 MiB reference memory)
After features/support/hooks.rb:331 0.847
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.430
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 6.374
And I prepare Tails for memory erasure tests 0.346
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.280
Then I find very few patterns in the guest's memory 1.774 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 0.974
Then patterns cover at least 99% of the test FS size in the guest's memory 1.708 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.461
Then I find very few patterns in the guest's memory after 3 seconds 4.553 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
# read cache
When I mount the USB drive again 3.954
And I read the content of the test FS 0.376
Then patterns cover at least 99% of the test FS size in the guest's memory 1.734 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.395
Then I find very few patterns in the guest's memory after 3 seconds 4.495 
Pattern coverage: 0.000% (0 MiB out of 1475 MiB reference memory)
After features/support/hooks.rb:331 0.841
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
42.843
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 6.462
And I prepare Tails for memory erasure tests 0.304
When I fill a 128 MiB file with a known pattern on the root filesystem 12.383
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.806
Then patterns cover at least 128 MiB in the guest's memory 1.422 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.007
Then I find very few patterns in the guest's memory after 20 seconds 20.455 
Pattern coverage: 0.000% (0 MiB out of 1476 MiB reference memory)
After features/support/hooks.rb:331 3.707
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
4:10.938
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 3:39.793
And I prepare Tails for memory erasure tests 0.321
When I fill a 128 MiB file with a known pattern on the persistent filesystem 9.914
When I trigger shutdown 0.004
Then I find very few patterns in the guest's memory after 20 seconds 20.903 
Pattern coverage: 0.000% (0 MiB out of 1519 MiB reference memory)
After features/support/hooks.rb:331 3.764
After features/support/hooks.rb:100 0.009