Project Number Date
test_Tails_ISO_devel 3585 13 Nov 2024, 12:54

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 10:47.854 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
20.269
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.777
And I prepare Tails for memory erasure tests 0.444
When I start a process allocating 128 MiB of memory with a known pattern 1.192
Then patterns cover at least 128 MiB in the guest's memory 3.822 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.869
Then I find very few patterns in the guest's memory after 3 seconds 6.161 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:326 0.792
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.876
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.059
And I prepare Tails for memory erasure tests 0.436
And I find very few patterns in the guest's memory 3.977 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.891
Then patterns cover at least 99% of the test FS size in the guest's memory 3.851 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.520
Then I find very few patterns in the guest's memory after 3 seconds 6.138 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:326 0.795
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.985
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.879
And I prepare Tails for memory erasure tests 0.459
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.006
Then I find very few patterns in the guest's memory 3.353 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.418
Then patterns cover at least 75% of the test FS size in the guest's memory 3.922 
Pattern coverage: 85.780% (109 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.988
Then I find very few patterns in the guest's memory after 3 seconds 7.180 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# read cache
When I mount the USB drive again 0.237
And I read the content of the test FS 0.646
Then patterns cover at least 99% of the test FS size in the guest's memory 5.909 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.438
Then I find very few patterns in the guest's memory after 3 seconds 7.545 
Pattern coverage: 0.001% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:326 0.862
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:11.122
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.860
And I prepare Tails for memory erasure tests 0.470
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.880
Then I find very few patterns in the guest's memory 2.652 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.868
Then patterns cover at least 99% of the test FS size in the guest's memory 2.947 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.900
Then I find very few patterns in the guest's memory after 3 seconds 5.585 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# read cache
When I mount the USB drive again 4.860
And I read the content of the test FS 0.464
Then patterns cover at least 99% of the test FS size in the guest's memory 2.920 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.651
Then I find very few patterns in the guest's memory after 3 seconds 6.058 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:326 0.833
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.306
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.006
And I prepare Tails for memory erasure tests 0.498
When I fill a 128 MiB file with a known pattern on the root filesystem 16.530
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.899
Then patterns cover at least 128 MiB in the guest's memory 2.623 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.734 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 3.451
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:11.293
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 6:27.015
And I prepare Tails for memory erasure tests 1.653
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.388
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.224 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:326 3.499
After features/support/hooks.rb:100 0.011