Project Number Date
test_Tails_ISO_stable 5443 05 Feb 2025, 16:51

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 12:38.682 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
24.115
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.075
And I prepare Tails for memory erasure tests 0.538
When I start a process allocating 128 MiB of memory with a known pattern 2.366
Then patterns cover at least 128 MiB in the guest's memory 3.925 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.329
Then I find very few patterns in the guest's memory after 5 seconds 7.880 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:326 0.872
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.837
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.444
And I prepare Tails for memory erasure tests 0.484
And I find very few patterns in the guest's memory 2.773 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.900
Then patterns cover at least 99% of the test FS size in the guest's memory 3.297 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.325
Then I find very few patterns in the guest's memory after 3 seconds 6.610 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:326 0.805
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.608
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.540
And I prepare Tails for memory erasure tests 0.440
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.059
Then I find very few patterns in the guest's memory 3.685 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.329
Then patterns cover at least 75% of the test FS size in the guest's memory 4.106 
Pattern coverage: 87.605% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.918
Then I find very few patterns in the guest's memory after 3 seconds 6.171 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# read cache
When I mount the USB drive again 0.594
And I read the content of the test FS 2.614
Then patterns cover at least 99% of the test FS size in the guest's memory 3.304 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.977
Then I find very few patterns in the guest's memory after 3 seconds 5.864 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:326 0.809
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:27.795
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.130
And I prepare Tails for memory erasure tests 0.600
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.775
Then I find very few patterns in the guest's memory 3.292 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.303
Then patterns cover at least 99% of the test FS size in the guest's memory 3.757 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.328
Then I find very few patterns in the guest's memory after 3 seconds 6.088 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# read cache
When I mount the USB drive again 10.975
And I read the content of the test FS 0.537
Then patterns cover at least 99% of the test FS size in the guest's memory 3.635 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 4.595
Then I find very few patterns in the guest's memory after 3 seconds 5.775 
Pattern coverage: 0.000% (0 MiB out of 880 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
51.588
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.255
And I prepare Tails for memory erasure tests 0.513
When I fill a 128 MiB file with a known pattern on the root filesystem 14.399
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.307
Then patterns cover at least 128 MiB in the guest's memory 3.231 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.023
Then I find very few patterns in the guest's memory after 20 seconds 20.857 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:326 3.518
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:38.737
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 7:53.685
And I prepare Tails for memory erasure tests 1.073
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.797
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.163 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 3.493
After features/support/hooks.rb:100 0.011