Project Number Date
test_Tails_ISO_stable 4735 22 Mar 2024, 11:59

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 53 0 0 0 0 53 6 0 6 9:46.724 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
19.421
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.878
And I prepare Tails for memory erasure tests 0.557
When I start a process allocating 128 MiB of memory with a known pattern 1.247
Then patterns cover at least 128 MiB in the guest's memory 4.103 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.213
Then I find very few patterns in the guest's memory 4.421 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:291 0.658
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
23.028
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.963
And I prepare Tails for memory erasure tests 0.396
And I find very few patterns in the guest's memory 4.391 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.049
Then patterns cover at least 99% of the test FS size in the guest's memory 3.624 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.631
Then I find very few patterns in the guest's memory 3.970 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
After features/support/hooks.rb:291 1.618
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
44.462
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.973
And I prepare Tails for memory erasure tests 0.465
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.758
Then I find very few patterns in the guest's memory 4.058 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 7.589
Then patterns cover at least 86% of the test FS size in the guest's memory 3.516 
Pattern coverage: 89.194% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.885
Then I find very few patterns in the guest's memory 4.113 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# read cache
When I mount the USB drive again 0.224
And I read the content of the test FS 0.602
Then patterns cover at least 99% of the test FS size in the guest's memory 3.544 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.932
Then I find very few patterns in the guest's memory 3.797 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:291 3.253
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
1:1.575
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.464
And I prepare Tails for memory erasure tests 0.431
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 28.296
Then I find very few patterns in the guest's memory 3.445 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.666
Then patterns cover at least 99% of the test FS size in the guest's memory 3.113 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.807
Then I find very few patterns in the guest's memory 3.669 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# read cache
When I mount the USB drive again 3.927
And I read the content of the test FS 0.977
Then patterns cover at least 99% of the test FS size in the guest's memory 2.881 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.637
Then I find very few patterns in the guest's memory 3.257 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:291 0.759
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
51.420
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.894
And I prepare Tails for memory erasure tests 0.469
When I fill a 128 MiB file with a known pattern on the root filesystem 17.595
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.126
Then patterns cover at least 128 MiB in the guest's memory 2.622 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.678 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:291 3.464
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
6:26.815
Before features/support/hooks.rb:245 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 5:43.078
And I prepare Tails for memory erasure tests 0.432
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.930
When I trigger shutdown 0.015
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.338 
Pattern coverage: 0.000% (0 MiB out of 919 MiB reference memory)
After features/support/hooks.rb:291 3.588
After features/support/hooks.rb:75 0.012