Project Number Date
test_Tails_ISO_devel 3512 10 Sep 2024, 16:14

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 12:6.762 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
26.498
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.732
And I prepare Tails for memory erasure tests 0.461
When I start a process allocating 128 MiB of memory with a known pattern 4.333
Then patterns cover at least 128 MiB in the guest's memory 4.208 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 2.538
Then I find very few patterns in the guest's memory after 3 seconds 6.224 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:326 0.747
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.593
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.929
And I prepare Tails for memory erasure tests 0.588
And I find very few patterns in the guest's memory 3.985 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.598
Then patterns cover at least 99% of the test FS size in the guest's memory 3.738 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.066
Then I find very few patterns in the guest's memory after 3 seconds 6.686 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:326 1.247
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.509
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.258
And I prepare Tails for memory erasure tests 0.440
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.202
Then I find very few patterns in the guest's memory 4.223 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.680
Then patterns cover at least 75% of the test FS size in the guest's memory 4.116 
Pattern coverage: 88.391% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.581
Then I find very few patterns in the guest's memory after 3 seconds 6.471 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
# read cache
When I mount the USB drive again 0.278
And I read the content of the test FS 0.872
Then patterns cover at least 99% of the test FS size in the guest's memory 5.561 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.458
Then I find very few patterns in the guest's memory after 3 seconds 8.365 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:326 0.971
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:26.099
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.801
And I prepare Tails for memory erasure tests 0.513
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 40.964
Then I find very few patterns in the guest's memory 4.271 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.594
Then patterns cover at least 99% of the test FS size in the guest's memory 4.443 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.186
Then I find very few patterns in the guest's memory after 3 seconds 6.239 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
# read cache
When I mount the USB drive again 4.405
And I read the content of the test FS 0.459
Then patterns cover at least 99% of the test FS size in the guest's memory 3.798 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.083
Then I find very few patterns in the guest's memory after 3 seconds 6.337 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:326 3.087
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.029
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.322
And I prepare Tails for memory erasure tests 0.501
When I fill a 128 MiB file with a known pattern on the root filesystem 17.302
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.739
Then patterns cover at least 128 MiB in the guest's memory 3.273 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 20.874 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
After features/support/hooks.rb:326 3.543
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:0.031
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 7:13.867
And I prepare Tails for memory erasure tests 0.440
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.418
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.292 
Pattern coverage: 0.000% (0 MiB out of 865 MiB reference memory)
After features/support/hooks.rb:326 3.532
After features/support/hooks.rb:100 0.011