Project Number Date
test_Tails_ISO_stable 5530 25 Mar 2025, 12:53

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 11:38.649 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
25.542
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 8.938
And I prepare Tails for memory erasure tests 0.437
When I start a process allocating 128 MiB of memory with a known pattern 2.366
Then patterns cover at least 128 MiB in the guest's memory 3.697 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.596
Then I find very few patterns in the guest's memory after 5 seconds 8.506 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:330 0.725
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.284
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 9.227
And I prepare Tails for memory erasure tests 0.536
And I find very few patterns in the guest's memory 3.174 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.409
Then patterns cover at least 99% of the test FS size in the guest's memory 3.344 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.865
Then I find very few patterns in the guest's memory after 3 seconds 6.725 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:330 0.710
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.175
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 8.464
And I prepare Tails for memory erasure tests 0.475
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.348
Then I find very few patterns in the guest's memory 4.257 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.661
Then patterns cover at least 75% of the test FS size in the guest's memory 4.246 
Pattern coverage: 91.389% (116 MiB out of 127 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 7.351 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# read cache
When I mount the USB drive again 0.424
And I read the content of the test FS 1.748
Then patterns cover at least 99% of the test FS size in the guest's memory 3.961 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.576
Then I find very few patterns in the guest's memory after 3 seconds 6.499 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:330 0.738
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:18.607
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 9.451
And I prepare Tails for memory erasure tests 0.497
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.921
Then I find very few patterns in the guest's memory 3.342 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.408
Then patterns cover at least 99% of the test FS size in the guest's memory 3.319 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.767
Then I find very few patterns in the guest's memory after 3 seconds 6.299 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# read cache
When I mount the USB drive again 4.924
And I read the content of the test FS 1.581
Then patterns cover at least 99% of the test FS size in the guest's memory 3.416 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.467
Then I find very few patterns in the guest's memory after 3 seconds 6.210 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 1.164
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.104
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 8.103
And I prepare Tails for memory erasure tests 0.382
When I fill a 128 MiB file with a known pattern on the root filesystem 16.771
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.937
Then patterns cover at least 128 MiB in the guest's memory 3.001 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 20.891 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:330 3.471
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:43.936
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:0.482
And I prepare Tails for memory erasure tests 0.439
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.819
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.182 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:330 3.534
After features/support/hooks.rb:100 0.010