Project Number Date
test_Tails_ISO_20522-ocr-more 22 31 Dec 2024, 05:10

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 11:17.828 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
20.345
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.165
And I prepare Tails for memory erasure tests 0.522
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 3.490 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.651
Then I find very few patterns in the guest's memory after 3 seconds 6.271 
Pattern coverage: 0.000% (0 MiB out of 689 MiB reference memory)
After features/support/hooks.rb:326 0.870
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.158
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.396
And I prepare Tails for memory erasure tests 0.488
And I find very few patterns in the guest's memory 3.873 
Pattern coverage: 0.000% (0 MiB out of 690 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.388
Then patterns cover at least 99% of the test FS size in the guest's memory 4.063 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.352
Then I find very few patterns in the guest's memory after 3 seconds 6.596 
Pattern coverage: 0.000% (0 MiB out of 690 MiB reference memory)
After features/support/hooks.rb:326 0.811
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.334
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 10.981
And I prepare Tails for memory erasure tests 0.489
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.084
Then I find very few patterns in the guest's memory 3.042 
Pattern coverage: 0.000% (0 MiB out of 683 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.729
Then patterns cover at least 75% of the test FS size in the guest's memory 3.256 
Pattern coverage: 82.869% (105 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.714
Then I find very few patterns in the guest's memory after 3 seconds 5.887 
Pattern coverage: 0.000% (0 MiB out of 683 MiB reference memory)
# read cache
When I mount the USB drive again 0.246
And I read the content of the test FS 0.768
Then patterns cover at least 99% of the test FS size in the guest's memory 4.062 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.448
Then I find very few patterns in the guest's memory after 3 seconds 6.624 
Pattern coverage: 0.000% (0 MiB out of 683 MiB reference memory)
After features/support/hooks.rb:326 0.823
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:23.770
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.301
And I prepare Tails for memory erasure tests 0.567
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 40.630
Then I find very few patterns in the guest's memory 3.264 
Pattern coverage: 0.000% (0 MiB out of 685 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.733
Then patterns cover at least 99% of the test FS size in the guest's memory 3.431 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.687
Then I find very few patterns in the guest's memory after 3 seconds 6.107 
Pattern coverage: 0.000% (0 MiB out of 685 MiB reference memory)
# read cache
When I mount the USB drive again 8.778
And I read the content of the test FS 0.492
Then patterns cover at least 99% of the test FS size in the guest's memory 3.642 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.597
Then I find very few patterns in the guest's memory after 3 seconds 5.536 
Pattern coverage: 0.000% (0 MiB out of 685 MiB reference memory)
After features/support/hooks.rb:326 1.227
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.146
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.164
And I prepare Tails for memory erasure tests 0.458
When I fill a 128 MiB file with a known pattern on the root filesystem 14.878
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.051
Then patterns cover at least 128 MiB in the guest's memory 2.882 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.696 
Pattern coverage: 0.000% (0 MiB out of 693 MiB reference memory)
After features/support/hooks.rb:326 3.506
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:29.072
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 6:45.103
And I prepare Tails for memory erasure tests 0.635
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.423
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.897 
Pattern coverage: 0.000% (0 MiB out of 761 MiB reference memory)
After features/support/hooks.rb:326 3.533
After features/support/hooks.rb:100 0.012