Project Number Date
test_Tails_ISO_stable 4893 17 Jun 2024, 13:10

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 11:8.818 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
22.514
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.331
And I prepare Tails for memory erasure tests 0.443
When I start a process allocating 128 MiB of memory with a known pattern 2.382
Then patterns cover at least 128 MiB in the guest's memory 3.517 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 3.816
Then I find very few patterns in the guest's memory 4.021 
Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)
After features/support/hooks.rb:320 1.199
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.688
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.741
And I prepare Tails for memory erasure tests 0.528
And I find very few patterns in the guest's memory 4.253 
Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.653
Then patterns cover at least 99% of the test FS size in the guest's memory 3.248 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.245
Then I find very few patterns in the guest's memory 4.017 
Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)
After features/support/hooks.rb:320 0.931
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.225
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.980
And I prepare Tails for memory erasure tests 0.516
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.187
Then I find very few patterns in the guest's memory 3.872 
Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.652
Then patterns cover at least 86% of the test FS size in the guest's memory 4.009 
Pattern coverage: 86.858% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.966
Then I find very few patterns in the guest's memory 4.683 
Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)
# read cache
When I mount the USB drive again 1.320
And I read the content of the test FS 0.613
Then patterns cover at least 99% of the test FS size in the guest's memory 3.837 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 3.986
Then I find very few patterns in the guest's memory 4.598 
Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)
After features/support/hooks.rb:320 1.470
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:15.894
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.248
And I prepare Tails for memory erasure tests 0.444
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.505
Then I find very few patterns in the guest's memory 4.541 
Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.268
Then patterns cover at least 99% of the test FS size in the guest's memory 2.693 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 2.735
Then I find very few patterns in the guest's memory 3.349 
Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)
# read cache
When I mount the USB drive again 5.619
And I read the content of the test FS 0.501
Then patterns cover at least 99% of the test FS size in the guest's memory 2.921 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.846
Then I find very few patterns in the guest's memory 4.219 
Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)
After features/support/hooks.rb:320 3.430
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.590
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 10.269
And I prepare Tails for memory erasure tests 0.671
When I fill a 128 MiB file with a known pattern on the root filesystem 13.962
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.273
Then patterns cover at least 128 MiB in the guest's memory 2.530 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.014
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.849 
Pattern coverage: 0.000% (0 MiB out of 862 MiB reference memory)
After features/support/hooks.rb:320 3.526
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:20.904
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 6:36.832
And I prepare Tails for memory erasure tests 0.453
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.342
When I trigger shutdown 0.011
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.243 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:320 3.495
After features/support/hooks.rb:100 0.013