Project Number Date
test_Tails_ISO_devel 3764 03 Apr 2025, 14:18

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 10:37.287 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
22.737
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 7.885
And I prepare Tails for memory erasure tests 0.397
When I start a process allocating 128 MiB of memory with a known pattern 1.244
Then patterns cover at least 128 MiB in the guest's memory 3.475 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.872
Then I find very few patterns in the guest's memory after 5 seconds 8.861 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 0.667
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
23.630
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 8.072
And I prepare Tails for memory erasure tests 0.374
And I find very few patterns in the guest's memory 3.115 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.651
Then patterns cover at least 99% of the test FS size in the guest's memory 3.747 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.376
Then I find very few patterns in the guest's memory after 3 seconds 6.292 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:330 0.680
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
46.154
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 7.866
And I prepare Tails for memory erasure tests 0.368
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.030
Then I find very few patterns in the guest's memory 3.343 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.688
Then patterns cover at least 75% of the test FS size in the guest's memory 3.347 
Pattern coverage: 84.791% (108 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.922
Then I find very few patterns in the guest's memory after 3 seconds 6.305 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
# read cache
When I mount the USB drive again 0.225
And I read the content of the test FS 0.516
Then patterns cover at least 99% of the test FS size in the guest's memory 3.469 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.332
Then I find very few patterns in the guest's memory after 3 seconds 6.736 
Pattern coverage: 0.001% (0 MiB out of 870 MiB reference memory)
After features/support/hooks.rb:330 0.697
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:14.694
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 7.894
And I prepare Tails for memory erasure tests 0.407
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.396
Then I find very few patterns in the guest's memory 2.678 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.595
Then patterns cover at least 99% of the test FS size in the guest's memory 2.495 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.669
Then I find very few patterns in the guest's memory after 3 seconds 5.597 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# read cache
When I mount the USB drive again 4.317
And I read the content of the test FS 0.418
Then patterns cover at least 99% of the test FS size in the guest's memory 3.067 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.508
Then I find very few patterns in the guest's memory after 3 seconds 5.647 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:330 1.247
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.127
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 7.914
And I prepare Tails for memory erasure tests 0.388
When I fill a 128 MiB file with a known pattern on the root filesystem 18.673
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.758
Then patterns cover at least 128 MiB in the guest's memory 2.630 
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 20.748 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 3.565
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
6:57.943
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:10.919
And I prepare Tails for memory erasure tests 0.536
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.285
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.189 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 3.517
After features/support/hooks.rb:100 0.035