Project Number Date
test_Tails_ISO_stable 5702 08 Jun 2025, 12:32

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 11:51.493 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
35.739
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 20.581
And I prepare Tails for memory erasure tests 0.507
When I start a process allocating 128 MiB of memory with a known pattern 1.165
Then patterns cover at least 128 MiB in the guest's memory 4.443 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.747
Then I find very few patterns in the guest's memory after 5 seconds 8.293 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:330 0.804
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.382
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 7.948
And I prepare Tails for memory erasure tests 0.606
And I find very few patterns in the guest's memory 3.481 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.965
Then patterns cover at least 99% of the test FS size in the guest's memory 3.767 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.377
Then I find very few patterns in the guest's memory after 3 seconds 6.235 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:330 0.743
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.907
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.117
And I prepare Tails for memory erasure tests 0.642
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.121
Then I find very few patterns in the guest's memory 3.713 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.575
Then patterns cover at least 75% of the test FS size in the guest's memory 5.411 
Pattern coverage: 87.436% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.893
Then I find very few patterns in the guest's memory after 3 seconds 6.337 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# read cache
When I mount the USB drive again 0.373
And I read the content of the test FS 0.566
Then patterns cover at least 99% of the test FS size in the guest's memory 4.273 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.390
Then I find very few patterns in the guest's memory after 3 seconds 6.490 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:330 0.980
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:12.515
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.346
And I prepare Tails for memory erasure tests 0.565
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.407
Then I find very few patterns in the guest's memory 2.649 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.560
Then patterns cover at least 99% of the test FS size in the guest's memory 3.078 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.713
Then I find very few patterns in the guest's memory after 3 seconds 5.867 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# read cache
When I mount the USB drive again 4.086
And I read the content of the test FS 0.716
Then patterns cover at least 99% of the test FS size in the guest's memory 3.058 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.671
Then I find very few patterns in the guest's memory after 3 seconds 5.795 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:330 1.031
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.613
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.308
And I prepare Tails for memory erasure tests 0.624
When I fill a 128 MiB file with a known pattern on the root filesystem 18.090
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.137
Then patterns cover at least 128 MiB in the guest's memory 2.625 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.814 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:330 3.515
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:56.334
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:11.757
And I prepare Tails for memory erasure tests 0.495
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.830
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.239 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:330 3.602
After features/support/hooks.rb:100 0.014