Project Number Date
test_Tails_ISO_stable 5389 12 Jan 2025, 12:24

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 11:19.950 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
24.379
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.898
And I prepare Tails for memory erasure tests 0.483
When I start a process allocating 128 MiB of memory with a known pattern 4.294
Then patterns cover at least 128 MiB in the guest's memory 3.235 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.503
Then I find very few patterns in the guest's memory after 3 seconds 5.962 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:326 0.944
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
23.986
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.033
And I prepare Tails for memory erasure tests 0.534
And I find very few patterns in the guest's memory 2.758 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.272
Then patterns cover at least 99% of the test FS size in the guest's memory 3.270 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.958
Then I find very few patterns in the guest's memory after 3 seconds 6.157 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:326 0.862
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.323
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.209
And I prepare Tails for memory erasure tests 0.453
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.077
Then I find very few patterns in the guest's memory 3.717 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.278
Then patterns cover at least 75% of the test FS size in the guest's memory 4.231 
Pattern coverage: 90.632% (115 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.649
Then I find very few patterns in the guest's memory after 3 seconds 6.195 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# read cache
When I mount the USB drive again 0.829
And I read the content of the test FS 0.974
Then patterns cover at least 99% of the test FS size in the guest's memory 3.998 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 6.018
Then I find very few patterns in the guest's memory after 3 seconds 6.687 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 1.462
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.313
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.952
And I prepare Tails for memory erasure tests 0.464
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.249
Then I find very few patterns in the guest's memory 2.469 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.206
Then patterns cover at least 99% of the test FS size in the guest's memory 2.783 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.731
Then I find very few patterns in the guest's memory after 3 seconds 5.313 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
# read cache
When I mount the USB drive again 5.628
And I read the content of the test FS 0.409
Then patterns cover at least 99% of the test FS size in the guest's memory 2.794 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.864
Then I find very few patterns in the guest's memory after 3 seconds 5.447 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:326 1.000
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.977
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.402
And I prepare Tails for memory erasure tests 0.477
When I fill a 128 MiB file with a known pattern on the root filesystem 16.599
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.949
Then patterns cover at least 128 MiB in the guest's memory 2.775 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.759 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:326 3.490
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:27.970
Before features/support/hooks.rb:269 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:41.174
And I prepare Tails for memory erasure tests 1.605
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.879
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.295 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 3.510
After features/support/hooks.rb:100 0.015