Project Number Date
test_Tails_ISO_devel 3780 12 Apr 2025, 13:08

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 11:31.498 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
25.133
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 8.477
And I prepare Tails for memory erasure tests 0.512
When I start a process allocating 128 MiB of memory with a known pattern 2.452
Then patterns cover at least 128 MiB in the guest's memory 3.814 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.947
Then I find very few patterns in the guest's memory after 5 seconds 8.928 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:330 0.942
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.002
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 8.531
And I prepare Tails for memory erasure tests 0.467
And I find very few patterns in the guest's memory 3.809 
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 2.050
Then patterns cover at least 99% of the test FS size in the guest's memory 4.382 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.922
Then I find very few patterns in the guest's memory after 3 seconds 6.838 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 1.074
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.898
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.009
Given I have started Tails from DVD without network and logged in 8.999
And I prepare Tails for memory erasure tests 0.437
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.305
Then I find very few patterns in the guest's memory 3.519 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.693
Then patterns cover at least 75% of the test FS size in the guest's memory 4.025 
Pattern coverage: 91.401% (116 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.185
Then I find very few patterns in the guest's memory after 3 seconds 6.874 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
# read cache
When I mount the USB drive again 0.194
And I read the content of the test FS 0.828
Then patterns cover at least 99% of the test FS size in the guest's memory 4.380 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.747
Then I find very few patterns in the guest's memory after 3 seconds 6.706 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:330 1.359
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:17.164
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 8.450
And I prepare Tails for memory erasure tests 0.447
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.772
Then I find very few patterns in the guest's memory 2.822 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.730
Then patterns cover at least 99% of the test FS size in the guest's memory 3.064 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.715
Then I find very few patterns in the guest's memory after 3 seconds 6.440 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
# read cache
When I mount the USB drive again 5.144
And I read the content of the test FS 0.605
Then patterns cover at least 99% of the test FS size in the guest's memory 3.153 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.499
Then I find very few patterns in the guest's memory after 3 seconds 6.316 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:330 1.612
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.187
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 8.473
And I prepare Tails for memory erasure tests 0.450
When I fill a 128 MiB file with a known pattern on the root filesystem 13.986
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.051
Then patterns cover at least 128 MiB in the guest's memory 3.288 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.024
Then I find very few patterns in the guest's memory after 20 seconds 20.912 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:330 3.491
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:40.113
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 6:51.182
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 27.023
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.307 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:330 3.691
After features/support/hooks.rb:100 0.011