Project Number Date
test_Tails_ISO_devel 3468 07 Aug 2024, 21:43

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 12:50.398 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
25.862
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.465
And I prepare Tails for memory erasure tests 0.435
When I start a process allocating 128 MiB of memory with a known pattern 2.665
Then patterns cover at least 128 MiB in the guest's memory 6.178 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.192
Then I find very few patterns in the guest's memory after 3 seconds 6.925 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 1.674
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
28.264
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.626
And I prepare Tails for memory erasure tests 0.605
And I find very few patterns in the guest's memory 3.866 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.016
Then patterns cover at least 99% of the test FS size in the guest's memory 4.656 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.694
Then I find very few patterns in the guest's memory after 3 seconds 6.800 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:326 1.479
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.821
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.328
And I prepare Tails for memory erasure tests 0.522
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.331
Then I find very few patterns in the guest's memory 3.826 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.676
Then patterns cover at least 75% of the test FS size in the guest's memory 4.574 
Pattern coverage: 93.437% (119 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.533
Then I find very few patterns in the guest's memory after 3 seconds 6.866 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# read cache
When I mount the USB drive again 0.268
And I read the content of the test FS 4.708
Then patterns cover at least 99% of the test FS size in the guest's memory 4.782 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.654
Then I find very few patterns in the guest's memory after 3 seconds 6.746 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 1.923
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:26.660
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.147
And I prepare Tails for memory erasure tests 0.516
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 40.560
Then I find very few patterns in the guest's memory 3.506 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.262
Then patterns cover at least 99% of the test FS size in the guest's memory 4.200 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.023
Then I find very few patterns in the guest's memory after 3 seconds 6.663 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# read cache
When I mount the USB drive again 6.048
And I read the content of the test FS 2.107
Then patterns cover at least 99% of the test FS size in the guest's memory 3.705 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.972
Then I find very few patterns in the guest's memory after 3 seconds 5.946 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 0.968
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.774
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 9.356
And I prepare Tails for memory erasure tests 0.510
When I fill a 128 MiB file with a known pattern on the root filesystem 15.897
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.227
Then patterns cover at least 128 MiB in the guest's memory 3.906 
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 20.861 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 3.522
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:40.014
Before features/support/hooks.rb:269 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:55.967
And I prepare Tails for memory erasure tests 0.455
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.080
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.499 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 3.661
After features/support/hooks.rb:100 0.016