Project Number Date
test_Tails_ISO_stable 5184 15 Oct 2024, 12:32

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 11:50.719 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
28.072
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.369
And I prepare Tails for memory erasure tests 0.480
When I start a process allocating 128 MiB of memory with a known pattern 2.311
Then patterns cover at least 128 MiB in the guest's memory 4.922 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.578
Then I find very few patterns in the guest's memory after 3 seconds 10.409 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:326 2.996
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.783
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.177
And I prepare Tails for memory erasure tests 0.455
And I find very few patterns in the guest's memory 3.693 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.851
Then patterns cover at least 99% of the test FS size in the guest's memory 4.137 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.876
Then I find very few patterns in the guest's memory after 3 seconds 6.590 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 1.716
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.990
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.296
And I prepare Tails for memory erasure tests 0.434
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.862
Then I find very few patterns in the guest's memory 3.958 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 5.414
Then patterns cover at least 75% of the test FS size in the guest's memory 5.075 
Pattern coverage: 86.827% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.654
Then I find very few patterns in the guest's memory after 3 seconds 6.536 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# read cache
When I mount the USB drive again 0.412
And I read the content of the test FS 1.267
Then patterns cover at least 99% of the test FS size in the guest's memory 4.022 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.467
Then I find very few patterns in the guest's memory after 3 seconds 6.585 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:326 3.260
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:23.149
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.560
And I prepare Tails for memory erasure tests 0.442
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.951
Then I find very few patterns in the guest's memory 2.718 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.144
Then patterns cover at least 99% of the test FS size in the guest's memory 2.985 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.131
Then I find very few patterns in the guest's memory after 3 seconds 5.850 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
# read cache
When I mount the USB drive again 8.220
And I read the content of the test FS 0.739
Then patterns cover at least 99% of the test FS size in the guest's memory 4.484 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.761
Then I find very few patterns in the guest's memory after 3 seconds 6.157 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:326 0.928
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.136
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.268
And I prepare Tails for memory erasure tests 0.429
When I fill a 128 MiB file with a known pattern on the root filesystem 15.502
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.938
Then patterns cover at least 128 MiB in the guest's memory 3.080 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.052
Then I find very few patterns in the guest's memory after 20 seconds 20.865 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:326 3.528
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:46.586
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 7:0.737
And I prepare Tails for memory erasure tests 0.531
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.679
When I trigger shutdown 0.020
Then I find very few patterns in the guest's memory after 20 seconds 21.617 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:326 3.608
After features/support/hooks.rb:100 0.011