Project Number Date
test_Tails_ISO_stable 5687 29 May 2025, 15:30

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 12:33.220 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
25.645
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.006
Given I have started Tails from DVD without network and logged in 8.372
And I prepare Tails for memory erasure tests 0.637
When I start a process allocating 128 MiB of memory with a known pattern 2.353
Then patterns cover at least 128 MiB in the guest's memory 5.054 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.282
Then I find very few patterns in the guest's memory after 5 seconds 8.944 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:330 0.846
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
28.832
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 9.373
And I prepare Tails for memory erasure tests 0.721
And I find very few patterns in the guest's memory 4.212 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.835
Then patterns cover at least 99% of the test FS size in the guest's memory 4.452 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.525
Then I find very few patterns in the guest's memory after 3 seconds 7.711 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 1.057
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:1.146
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 9.018
And I prepare Tails for memory erasure tests 0.544
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.553
Then I find very few patterns in the guest's memory 9.383 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.915
Then patterns cover at least 75% of the test FS size in the guest's memory 4.654 
Pattern coverage: 91.333% (116 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.085
Then I find very few patterns in the guest's memory after 3 seconds 7.160 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# read cache
When I mount the USB drive again 0.270
And I read the content of the test FS 1.078
Then patterns cover at least 99% of the test FS size in the guest's memory 4.450 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.506
Then I find very few patterns in the guest's memory after 3 seconds 7.525 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:330 1.282
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:26.466
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 8.503
And I prepare Tails for memory erasure tests 0.492
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 44.615
Then I find very few patterns in the guest's memory 3.737 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.752
Then patterns cover at least 99% of the test FS size in the guest's memory 3.756 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.938
Then I find very few patterns in the guest's memory after 3 seconds 6.445 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# read cache
When I mount the USB drive again 4.817
And I read the content of the test FS 0.467
Then patterns cover at least 99% of the test FS size in the guest's memory 3.900 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.855
Then I find very few patterns in the guest's memory after 3 seconds 6.184 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:330 2.224
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.040
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 8.846
And I prepare Tails for memory erasure tests 0.508
When I fill a 128 MiB file with a known pattern on the root filesystem 16.109
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.975
Then patterns cover at least 128 MiB in the guest's memory 3.560 
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 21.027 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 3.593
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:19.088
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 7:31.528
And I prepare Tails for memory erasure tests 1.101
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.089
When I trigger shutdown 0.020
Then I find very few patterns in the guest's memory after 20 seconds 21.348 
Pattern coverage: 0.000% (0 MiB out of 922 MiB reference memory)
After features/support/hooks.rb:330 3.617
After features/support/hooks.rb:100 0.024