Project Number Date
test_Tails_ISO_devel 3578 05 Nov 2024, 13:07

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 11:46.480 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
25.562
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.654
And I prepare Tails for memory erasure tests 0.559
When I start a process allocating 128 MiB of memory with a known pattern 2.356
Then patterns cover at least 128 MiB in the guest's memory 4.559 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.574
Then I find very few patterns in the guest's memory after 3 seconds 6.858 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:326 1.566
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.034
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.490
And I prepare Tails for memory erasure tests 0.502
And I find very few patterns in the guest's memory 3.732 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.459
Then patterns cover at least 99% of the test FS size in the guest's memory 4.288 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.848
Then I find very few patterns in the guest's memory after 3 seconds 6.712 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:326 2.003
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.530
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.276
And I prepare Tails for memory erasure tests 0.667
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.500
Then I find very few patterns in the guest's memory 4.242 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.785
Then patterns cover at least 75% of the test FS size in the guest's memory 4.818 
Pattern coverage: 87.905% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.598
Then I find very few patterns in the guest's memory after 3 seconds 6.757 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# read cache
When I mount the USB drive again 0.302
And I read the content of the test FS 0.570
Then patterns cover at least 99% of the test FS size in the guest's memory 4.362 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.836
Then I find very few patterns in the guest's memory after 3 seconds 6.810 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:326 0.923
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:14.639
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.749
And I prepare Tails for memory erasure tests 0.478
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.031
Then I find very few patterns in the guest's memory 2.952 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.645
Then patterns cover at least 99% of the test FS size in the guest's memory 2.883 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.196
Then I find very few patterns in the guest's memory after 3 seconds 5.303 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# read cache
When I mount the USB drive again 5.904
And I read the content of the test FS 0.492
Then patterns cover at least 99% of the test FS size in the guest's memory 2.967 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.809
Then I find very few patterns in the guest's memory after 3 seconds 6.223 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:326 1.016
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.897
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.141
And I prepare Tails for memory erasure tests 0.614
When I fill a 128 MiB file with a known pattern on the root filesystem 18.833
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.149
Then patterns cover at least 128 MiB in the guest's memory 3.244 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.899 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:326 3.522
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:48.815
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 7:0.953
And I prepare Tails for memory erasure tests 0.518
When I fill a 128 MiB file with a known pattern on the persistent filesystem 26.126
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.204 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:326 3.520
After features/support/hooks.rb:100 0.012