Project Number Date
test_Tails_ISO_devel 3584 11 Nov 2024, 12:58

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 12:14.651 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
22.263
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.392
And I prepare Tails for memory erasure tests 0.633
When I start a process allocating 128 MiB of memory with a known pattern 2.375
Then patterns cover at least 128 MiB in the guest's memory 3.583 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.324
Then I find very few patterns in the guest's memory after 3 seconds 5.954 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:326 0.849
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.313
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.387
And I prepare Tails for memory erasure tests 0.637
And I find very few patterns in the guest's memory 3.253 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.189
Then patterns cover at least 99% of the test FS size in the guest's memory 4.117 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.822
Then I find very few patterns in the guest's memory after 3 seconds 6.906 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:326 1.103
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:3.040
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.019
And I prepare Tails for memory erasure tests 0.625
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.482
Then I find very few patterns in the guest's memory 3.774 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.267
Then patterns cover at least 75% of the test FS size in the guest's memory 4.346 
Pattern coverage: 88.676% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 7.381
Then I find very few patterns in the guest's memory after 3 seconds 8.011 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
# read cache
When I mount the USB drive again 0.665
And I read the content of the test FS 0.642
Then patterns cover at least 99% of the test FS size in the guest's memory 4.123 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.767
Then I find very few patterns in the guest's memory after 3 seconds 9.930 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:326 0.814
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:23.367
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.634
And I prepare Tails for memory erasure tests 0.468
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.119
Then I find very few patterns in the guest's memory 3.104 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.657
Then patterns cover at least 99% of the test FS size in the guest's memory 2.871 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.072
Then I find very few patterns in the guest's memory after 3 seconds 5.579 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
# read cache
When I mount the USB drive again 9.232
And I read the content of the test FS 0.646
Then patterns cover at least 99% of the test FS size in the guest's memory 3.193 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.386
Then I find very few patterns in the guest's memory after 3 seconds 5.400 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
After features/support/hooks.rb:326 2.679
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.949
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.190
And I prepare Tails for memory erasure tests 1.222
When I fill a 128 MiB file with a known pattern on the root filesystem 20.479
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.528
Then patterns cover at least 128 MiB in the guest's memory 2.611 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 20.902 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:326 3.504
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:2.716
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 7:18.185
And I prepare Tails for memory erasure tests 0.461
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.684
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.368 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:326 3.516
After features/support/hooks.rb:100 0.015