Project Number Date
test_Tails_ISO_stable 5549 03 Apr 2025, 14:23

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 12:38.997 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
24.601
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 8.050
And I prepare Tails for memory erasure tests 0.383
When I start a process allocating 128 MiB of memory with a known pattern 2.262
Then patterns cover at least 128 MiB in the guest's memory 3.963 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.510
Then I find very few patterns in the guest's memory after 5 seconds 8.431 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:330 0.663
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.474
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 8.029
And I prepare Tails for memory erasure tests 0.419
And I find very few patterns in the guest's memory 3.506 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.292
Then patterns cover at least 99% of the test FS size in the guest's memory 5.772 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.844
Then I find very few patterns in the guest's memory after 3 seconds 6.608 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:330 0.709
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
57.563
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 8.166
And I prepare Tails for memory erasure tests 0.461
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.024
Then I find very few patterns in the guest's memory 3.804 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.115
Then patterns cover at least 75% of the test FS size in the guest's memory 6.102 
Pattern coverage: 86.310% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.018
Then I find very few patterns in the guest's memory after 3 seconds 9.777 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# read cache
When I mount the USB drive again 0.226
And I read the content of the test FS 0.504
Then patterns cover at least 99% of the test FS size in the guest's memory 4.797 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.462
Then I find very few patterns in the guest's memory after 3 seconds 9.101 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 0.692
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:17.182
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 8.038
And I prepare Tails for memory erasure tests 0.466
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.792
Then I find very few patterns in the guest's memory 2.310 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.081
Then patterns cover at least 99% of the test FS size in the guest's memory 2.719 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.805
Then I find very few patterns in the guest's memory after 3 seconds 5.446 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# read cache
When I mount the USB drive again 4.510
And I read the content of the test FS 1.455
Then patterns cover at least 99% of the test FS size in the guest's memory 3.519 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.854
Then I find very few patterns in the guest's memory after 3 seconds 6.180 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 1.944
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.507
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 8.431
And I prepare Tails for memory erasure tests 0.401
When I fill a 128 MiB file with a known pattern on the root filesystem 17.930
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.663
Then patterns cover at least 128 MiB in the guest's memory 4.068 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.022
Then I find very few patterns in the guest's memory after 20 seconds 20.989 
Pattern coverage: 0.000% (0 MiB out of 893 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
8:38.668
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 7:49.458
And I prepare Tails for memory erasure tests 0.443
When I fill a 128 MiB file with a known pattern on the persistent filesystem 26.915
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 21.833 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:330 3.625
After features/support/hooks.rb:100 0.019