Project Number Date
test_Tails_ISO_stable 5647 14 May 2025, 13:05

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 11:50.448 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
26.492
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.005
Given I have started Tails from DVD without network and logged in 8.526
And I prepare Tails for memory erasure tests 0.584
When I start a process allocating 128 MiB of memory with a known pattern 2.333
Then patterns cover at least 128 MiB in the guest's memory 4.919 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.865
Then I find very few patterns in the guest's memory after 5 seconds 9.264 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:330 1.056
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
29.664
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 9.103
And I prepare Tails for memory erasure tests 0.600
And I find very few patterns in the guest's memory 4.924 
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 2.380
Then patterns cover at least 99% of the test FS size in the guest's memory 4.654 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.976
Then I find very few patterns in the guest's memory after 3 seconds 7.024 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:330 0.806
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.325
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 8.613
And I prepare Tails for memory erasure tests 0.746
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.384
Then I find very few patterns in the guest's memory 3.679 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.034
Then patterns cover at least 75% of the test FS size in the guest's memory 4.572 
Pattern coverage: 91.667% (116 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.800
Then I find very few patterns in the guest's memory after 3 seconds 7.072 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# read cache
When I mount the USB drive again 0.260
And I read the content of the test FS 1.001
Then patterns cover at least 99% of the test FS size in the guest's memory 4.353 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.472
Then I find very few patterns in the guest's memory after 3 seconds 7.334 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:330 1.260
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:20.988
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 8.412
And I prepare Tails for memory erasure tests 0.657
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.679
Then I find very few patterns in the guest's memory 3.314 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.927
Then patterns cover at least 99% of the test FS size in the guest's memory 3.644 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.952
Then I find very few patterns in the guest's memory after 3 seconds 6.613 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# read cache
When I mount the USB drive again 4.661
And I read the content of the test FS 0.502
Then patterns cover at least 99% of the test FS size in the guest's memory 3.635 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.676
Then I find very few patterns in the guest's memory after 3 seconds 6.310 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:330 3.037
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.497
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 8.452
And I prepare Tails for memory erasure tests 0.707
When I fill a 128 MiB file with a known pattern on the root filesystem 18.118
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.164
Then patterns cover at least 128 MiB in the guest's memory 4.086 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.079
Then I find very few patterns in the guest's memory after 20 seconds 20.890 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:330 3.740
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:44.480
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 6:59.045
And I prepare Tails for memory erasure tests 0.588
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.292
When I trigger shutdown 0.022
Then I find very few patterns in the guest's memory after 20 seconds 21.530 
Pattern coverage: 0.000% (0 MiB out of 919 MiB reference memory)
After features/support/hooks.rb:330 3.648
After features/support/hooks.rb:100 0.011