Project Number Date
test_Tails_ISO_stable 5289 25 Nov 2024, 12:50

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 12:8.326 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
25.437
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.809
And I prepare Tails for memory erasure tests 0.418
When I start a process allocating 128 MiB of memory with a known pattern 2.373
Then patterns cover at least 128 MiB in the guest's memory 3.928 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.806
Then I find very few patterns in the guest's memory after 3 seconds 7.100 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:326 0.931
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.931
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.157
And I prepare Tails for memory erasure tests 0.748
And I find very few patterns in the guest's memory 4.134 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.475
Then patterns cover at least 99% of the test FS size in the guest's memory 3.712 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.114
Then I find very few patterns in the guest's memory after 3 seconds 6.588 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:326 1.493
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.636
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.435
And I prepare Tails for memory erasure tests 0.469
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.169
Then I find very few patterns in the guest's memory 3.959 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.786
Then patterns cover at least 75% of the test FS size in the guest's memory 3.935 
Pattern coverage: 90.213% (115 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.706
Then I find very few patterns in the guest's memory after 3 seconds 6.664 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# read cache
When I mount the USB drive again 0.482
And I read the content of the test FS 0.508
Then patterns cover at least 99% of the test FS size in the guest's memory 3.762 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.925
Then I find very few patterns in the guest's memory after 3 seconds 6.829 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:326 2.871
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:22.373
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.034
And I prepare Tails for memory erasure tests 0.508
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 41.414
Then I find very few patterns in the guest's memory 2.496 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.437
Then patterns cover at least 99% of the test FS size in the guest's memory 2.971 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.641
Then I find very few patterns in the guest's memory after 3 seconds 5.477 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# read cache
When I mount the USB drive again 6.069
And I read the content of the test FS 0.549
Then patterns cover at least 99% of the test FS size in the guest's memory 3.223 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.499
Then I find very few patterns in the guest's memory after 3 seconds 6.050 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:326 1.600
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.573
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.660
And I prepare Tails for memory erasure tests 0.450
When I fill a 128 MiB file with a known pattern on the root filesystem 14.854
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.413
Then patterns cover at least 128 MiB in the guest's memory 3.273 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.036
Then I find very few patterns in the guest's memory after 20 seconds 20.885 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:326 3.502
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:11.373
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 7:26.272
And I prepare Tails for memory erasure tests 0.575
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.051
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.461 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:326 3.568
After features/support/hooks.rb:100 0.015