Project Number Date
test_Tails_ISO_stable 5374 07 Jan 2025, 16:52

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 11:12.211 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
23.901
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.348
And I prepare Tails for memory erasure tests 0.477
When I start a process allocating 128 MiB of memory with a known pattern 2.459
Then patterns cover at least 128 MiB in the guest's memory 4.252 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.908
Then I find very few patterns in the guest's memory after 3 seconds 6.454 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 0.739
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.805
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.213
And I prepare Tails for memory erasure tests 0.436
And I find very few patterns in the guest's memory 3.254 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.193
Then patterns cover at least 99% of the test FS size in the guest's memory 3.777 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.752
Then I find very few patterns in the guest's memory after 3 seconds 6.178 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:326 0.725
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.104
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.210
And I prepare Tails for memory erasure tests 0.570
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.133
Then I find very few patterns in the guest's memory 3.380 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.738
Then patterns cover at least 75% of the test FS size in the guest's memory 3.679 
Pattern coverage: 88.734% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.061
Then I find very few patterns in the guest's memory after 3 seconds 6.134 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# read cache
When I mount the USB drive again 0.300
And I read the content of the test FS 0.525
Then patterns cover at least 99% of the test FS size in the guest's memory 3.709 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.533
Then I find very few patterns in the guest's memory after 3 seconds 6.127 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:326 0.709
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:19.048
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.039
And I prepare Tails for memory erasure tests 0.585
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.815
Then I find very few patterns in the guest's memory 2.577 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.318
Then patterns cover at least 99% of the test FS size in the guest's memory 3.554 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.147
Then I find very few patterns in the guest's memory after 3 seconds 5.948 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# read cache
When I mount the USB drive again 6.132
And I read the content of the test FS 0.459
Then patterns cover at least 99% of the test FS size in the guest's memory 3.108 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.664
Then I find very few patterns in the guest's memory after 3 seconds 5.696 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:326 0.813
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.918
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.100
And I prepare Tails for memory erasure tests 0.682
When I fill a 128 MiB file with a known pattern on the root filesystem 16.204
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.872
Then patterns cover at least 128 MiB in the guest's memory 2.928 
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 21.114 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:326 3.756
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:23.432
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 6:35.711
And I prepare Tails for memory erasure tests 0.418
When I fill a 128 MiB file with a known pattern on the persistent filesystem 26.069
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.222 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:326 3.531
After features/support/hooks.rb:100 0.014