Project Number Date
test_Tails_ISO_devel 3391 16 May 2024, 18:19

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 53 0 0 0 0 53 6 0 6 11:37.309 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
21.411
Before features/support/hooks.rb:259 0.003
Given I have started Tails from DVD without network and logged in 8.222
And I prepare Tails for memory erasure tests 0.513
When I start a process allocating 128 MiB of memory with a known pattern 2.441
Then patterns cover at least 128 MiB in the guest's memory 4.768 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.460
Then I find very few patterns in the guest's memory 4.005 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:305 1.212
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
25.811
Before features/support/hooks.rb:259 0.003
Given I have started Tails from DVD without network and logged in 8.775
And I prepare Tails for memory erasure tests 0.496
And I find very few patterns in the guest's memory 4.672 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.045
Then patterns cover at least 99% of the test FS size in the guest's memory 4.443 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.052
Then I find very few patterns in the guest's memory 4.325 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:305 1.375
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
1:17.291
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 10.360
And I prepare Tails for memory erasure tests 0.707
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.295
Then I find very few patterns in the guest's memory 4.452 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.094
Then patterns cover at least 86% of the test FS size in the guest's memory 3.304 
Pattern coverage: 89.659% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 24.310
Then I find very few patterns in the guest's memory 5.312 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# read cache
When I mount the USB drive again 0.579
And I read the content of the test FS 0.922
Then patterns cover at least 99% of the test FS size in the guest's memory 5.848 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.608
Then I find very few patterns in the guest's memory 6.494 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:305 1.359
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
1:24.104
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.514
And I prepare Tails for memory erasure tests 0.659
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 40.201
Then I find very few patterns in the guest's memory 3.710 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.073
Then patterns cover at least 99% of the test FS size in the guest's memory 2.739 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 4.327
Then I find very few patterns in the guest's memory 4.128 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
# read cache
When I mount the USB drive again 5.400
And I read the content of the test FS 0.468
Then patterns cover at least 99% of the test FS size in the guest's memory 3.574 
Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 3.067
Then I find very few patterns in the guest's memory 4.239 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:305 1.100
After features/support/hooks.rb:89 0.001
Tags: @product @slow @not_release_blocker
54.522
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.260
And I prepare Tails for memory erasure tests 0.421
When I fill a 128 MiB file with a known pattern on the root filesystem 18.356
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.521
Then patterns cover at least 128 MiB in the guest's memory 3.048 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.019
And I wait 20 seconds 20.011 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.881 
Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)
After features/support/hooks.rb:305 3.587
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
7:14.168
Before features/support/hooks.rb:259 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:28.543
And I prepare Tails for memory erasure tests 0.409
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.849
When I trigger shutdown 0.012
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.333 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
After features/support/hooks.rb:305 3.554
After features/support/hooks.rb:89 0.012