Project Number Date
test_Tails_ISO_stable 5596 24 Apr 2025, 15:45

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 11:18.501 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
23.186
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 8.284
And I prepare Tails for memory erasure tests 0.536
When I start a process allocating 128 MiB of memory with a known pattern 1.322
Then patterns cover at least 128 MiB in the guest's memory 3.722 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.881
Then I find very few patterns in the guest's memory after 5 seconds 8.438 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:330 0.784
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.777
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 8.445
And I prepare Tails for memory erasure tests 0.821
And I find very few patterns in the guest's memory 3.454 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.656
Then patterns cover at least 99% of the test FS size in the guest's memory 3.708 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.434
Then I find very few patterns in the guest's memory after 3 seconds 6.255 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:330 0.635
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.255
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 8.035
And I prepare Tails for memory erasure tests 0.683
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.076
Then I find very few patterns in the guest's memory 5.017 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.628
Then patterns cover at least 75% of the test FS size in the guest's memory 5.154 
Pattern coverage: 87.819% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.959
Then I find very few patterns in the guest's memory after 3 seconds 6.196 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# read cache
When I mount the USB drive again 0.224
And I read the content of the test FS 0.929
Then patterns cover at least 99% of the test FS size in the guest's memory 3.607 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.408
Then I find very few patterns in the guest's memory after 3 seconds 6.331 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:330 0.868
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:14.007
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 8.212
And I prepare Tails for memory erasure tests 0.590
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.581
Then I find very few patterns in the guest's memory 2.740 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.527
Then patterns cover at least 99% of the test FS size in the guest's memory 3.137 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.757
Then I find very few patterns in the guest's memory after 3 seconds 6.129 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# read cache
When I mount the USB drive again 4.004
And I read the content of the test FS 0.492
Then patterns cover at least 99% of the test FS size in the guest's memory 3.517 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.526
Then I find very few patterns in the guest's memory after 3 seconds 5.788 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:330 1.413
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.651
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 8.741
And I prepare Tails for memory erasure tests 0.421
When I fill a 128 MiB file with a known pattern on the root filesystem 14.818
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.005
Then patterns cover at least 128 MiB in the guest's memory 2.798 
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 20.852 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 3.549
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:36.623
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:53.774
And I prepare Tails for memory erasure tests 0.606
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.982
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.247 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:330 3.532
After features/support/hooks.rb:100 0.012