Project Number Date
test_Tails_ISO_stable 5598 24 Apr 2025, 20:21

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 12:31.214 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
26.215
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 9.004
And I prepare Tails for memory erasure tests 0.507
When I start a process allocating 128 MiB of memory with a known pattern 1.238
Then patterns cover at least 128 MiB in the guest's memory 4.762 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.678
Then I find very few patterns in the guest's memory after 5 seconds 10.022 
Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)
After features/support/hooks.rb:330 1.133
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
30.480
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 8.703
And I prepare Tails for memory erasure tests 0.461
And I find very few patterns in the guest's memory 7.168 
Pattern coverage: 0.000% (0 MiB out of 863 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.748
Then patterns cover at least 99% of the test FS size in the guest's memory 5.189 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.389
Then I find very few patterns in the guest's memory after 3 seconds 6.819 
Pattern coverage: 0.000% (0 MiB out of 863 MiB reference memory)
After features/support/hooks.rb:330 1.241
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.104
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 8.782
And I prepare Tails for memory erasure tests 0.411
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.392
Then I find very few patterns in the guest's memory 3.713 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.095
Then patterns cover at least 75% of the test FS size in the guest's memory 4.398 
Pattern coverage: 87.014% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.686
Then I find very few patterns in the guest's memory after 3 seconds 6.862 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
# read cache
When I mount the USB drive again 0.373
And I read the content of the test FS 2.974
Then patterns cover at least 99% of the test FS size in the guest's memory 4.314 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.377
Then I find very few patterns in the guest's memory after 3 seconds 6.721 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
After features/support/hooks.rb:330 1.208
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:28.441
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 9.067
And I prepare Tails for memory erasure tests 0.522
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.701
Then I find very few patterns in the guest's memory 4.516 
Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.546
Then patterns cover at least 99% of the test FS size in the guest's memory 5.630 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.175
Then I find very few patterns in the guest's memory after 3 seconds 7.517 
Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)
# read cache
When I mount the USB drive again 4.516
And I read the content of the test FS 0.538
Then patterns cover at least 99% of the test FS size in the guest's memory 5.116 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.158
Then I find very few patterns in the guest's memory after 3 seconds 9.433 
Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)
After features/support/hooks.rb:330 1.717
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.257
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 9.009
And I prepare Tails for memory erasure tests 0.499
When I fill a 128 MiB file with a known pattern on the root filesystem 16.172
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.981
Then patterns cover at least 128 MiB in the guest's memory 3.306 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.021
Then I find very few patterns in the guest's memory after 20 seconds 21.264 
Pattern coverage: 0.000% (0 MiB out of 861 MiB reference memory)
After features/support/hooks.rb:330 3.653
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:20.715
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 7:35.445
And I prepare Tails for memory erasure tests 0.921
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.077
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 21.251 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:330 3.488
After features/support/hooks.rb:100 0.013