Project Number Date
test_Tails_ISO_stable 4699 05 Mar 2024, 12:20

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 9:42.035 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
18.536
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.049
And I prepare Tails for memory erasure tests 0.368
When I start a process allocating 128 MiB of memory with a known pattern 1.202
Then patterns cover at least 128 MiB in the guest's memory 4.877 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.632
Then I find very few patterns in the guest's memory 3.406 
Pattern coverage: 0.000% (0 MiB out of 943 MiB reference memory)
After features/support/hooks.rb:291 0.901
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
21.615
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.898
And I prepare Tails for memory erasure tests 0.378
And I find very few patterns in the guest's memory 3.859 
Pattern coverage: 0.000% (0 MiB out of 916 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.584
Then patterns cover at least 99% of the test FS size in the guest's memory 3.449 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.366
Then I find very few patterns in the guest's memory 4.078 
Pattern coverage: 0.000% (0 MiB out of 916 MiB reference memory)
After features/support/hooks.rb:291 0.909
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
40.425
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.941
And I prepare Tails for memory erasure tests 0.398
When I plug and mount a 128 MiB USB drive with a vfat filesystem 6.858
Then I find very few patterns in the guest's memory 4.535 
Pattern coverage: 0.000% (0 MiB out of 934 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.332
Then patterns cover at least 86% of the test FS size in the guest's memory 3.203 
Pattern coverage: 94.750% (120 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.054
Then I find very few patterns in the guest's memory 3.935 
Pattern coverage: 0.000% (0 MiB out of 934 MiB reference memory)
# read cache
When I mount the USB drive again 0.271
And I read the content of the test FS 0.647
Then patterns cover at least 99% of the test FS size in the guest's memory 3.486 
Pattern coverage: 100.000% (127 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.497
Then I find very few patterns in the guest's memory 5.263 
Pattern coverage: 0.000% (0 MiB out of 934 MiB reference memory)
After features/support/hooks.rb:291 1.143
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
1:3.371
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.517
And I prepare Tails for memory erasure tests 0.451
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 30.631
Then I find very few patterns in the guest's memory 4.013 
Pattern coverage: 0.000% (0 MiB out of 923 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.660
Then patterns cover at least 99% of the test FS size in the guest's memory 2.939 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.617
Then I find very few patterns in the guest's memory 3.542 
Pattern coverage: 0.000% (0 MiB out of 923 MiB reference memory)
# read cache
When I mount the USB drive again 3.975
And I read the content of the test FS 0.417
Then patterns cover at least 99% of the test FS size in the guest's memory 2.810 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.443
Then I find very few patterns in the guest's memory 3.350 
Pattern coverage: 0.000% (0 MiB out of 923 MiB reference memory)
After features/support/hooks.rb:291 0.787
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
49.779
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 8.338
And I prepare Tails for memory erasure tests 0.434
When I fill a 128 MiB file with a known pattern on the root filesystem 15.047
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.407
Then patterns cover at least 128 MiB in the guest's memory 2.773 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.017
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.739 
Pattern coverage: 0.000% (0 MiB out of 922 MiB reference memory)
After features/support/hooks.rb:291 3.505
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
6:28.306
Before features/support/hooks.rb:245 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 5:44.712
And I prepare Tails for memory erasure tests 0.384
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.679
When I trigger shutdown 0.011
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.500 
Pattern coverage: 0.000% (0 MiB out of 934 MiB reference memory)
After features/support/hooks.rb:291 3.601
After features/support/hooks.rb:75 0.013