Project Number Date
test_Tails_ISO_20575-disable-cups-browsed 20 17 Oct 2024, 00:58

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 10:57.447 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
23.479
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.867
And I prepare Tails for memory erasure tests 0.419
When I start a process allocating 128 MiB of memory with a known pattern 2.365
Then patterns cover at least 128 MiB in the guest's memory 3.178 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.418
Then I find very few patterns in the guest's memory after 3 seconds 8.229 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:326 0.975
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
23.633
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.790
And I prepare Tails for memory erasure tests 0.438
And I find very few patterns in the guest's memory 2.765 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.105
Then patterns cover at least 99% of the test FS size in the guest's memory 3.252 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.792
Then I find very few patterns in the guest's memory after 3 seconds 6.488 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:326 1.296
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
45.419
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.820
And I prepare Tails for memory erasure tests 0.413
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.003
Then I find very few patterns in the guest's memory 3.551 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.301
Then patterns cover at least 75% of the test FS size in the guest's memory 3.270 
Pattern coverage: 85.306% (108 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.390
Then I find very few patterns in the guest's memory after 3 seconds 5.726 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
# read cache
When I mount the USB drive again 0.235
And I read the content of the test FS 0.748
Then patterns cover at least 99% of the test FS size in the guest's memory 3.741 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.644
Then I find very few patterns in the guest's memory after 3 seconds 6.571 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:326 1.240
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:14.677
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.841
And I prepare Tails for memory erasure tests 0.554
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.058
Then I find very few patterns in the guest's memory 2.474 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.238
Then patterns cover at least 99% of the test FS size in the guest's memory 2.815 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.141
Then I find very few patterns in the guest's memory after 3 seconds 5.397 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
# read cache
When I mount the USB drive again 5.042
And I read the content of the test FS 0.517
Then patterns cover at least 99% of the test FS size in the guest's memory 2.766 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.557
Then I find very few patterns in the guest's memory after 3 seconds 5.271 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:326 0.766
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.748
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.839
And I prepare Tails for memory erasure tests 0.387
When I fill a 128 MiB file with a known pattern on the root filesystem 15.061
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.903
Then patterns cover at least 128 MiB in the guest's memory 2.695 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.846 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:326 3.495
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:21.489
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 6:37.241
And I prepare Tails for memory erasure tests 0.843
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.279
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.113 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:326 3.502
After features/support/hooks.rb:100 0.011