Project Number Date
test_Tails_ISO_20575-disable-cups-browsed 11 09 Oct 2024, 01:02

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 10:40.117 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
18.948
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.047
And I prepare Tails for memory erasure tests 0.485
When I start a process allocating 128 MiB of memory with a known pattern 1.151
Then patterns cover at least 128 MiB in the guest's memory 3.418 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.357
Then I find very few patterns in the guest's memory after 3 seconds 5.487 
Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)
After features/support/hooks.rb:326 1.750
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
22.685
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.916
And I prepare Tails for memory erasure tests 0.599
And I find very few patterns in the guest's memory 2.804 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.356
Then patterns cover at least 99% of the test FS size in the guest's memory 3.383 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.352
Then I find very few patterns in the guest's memory after 3 seconds 6.271 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
After features/support/hooks.rb:326 0.774
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
43.257
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.896
And I prepare Tails for memory erasure tests 0.435
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.004
Then I find very few patterns in the guest's memory 3.198 
Pattern coverage: 0.000% (0 MiB out of 861 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.267
Then patterns cover at least 75% of the test FS size in the guest's memory 3.601 
Pattern coverage: 84.843% (108 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.098
Then I find very few patterns in the guest's memory after 3 seconds 5.732 
Pattern coverage: 0.000% (0 MiB out of 861 MiB reference memory)
# read cache
When I mount the USB drive again 0.225
And I read the content of the test FS 0.444
Then patterns cover at least 99% of the test FS size in the guest's memory 3.186 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.440
Then I find very few patterns in the guest's memory after 3 seconds 5.726 
Pattern coverage: 0.001% (0 MiB out of 861 MiB reference memory)
After features/support/hooks.rb:326 1.805
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:13.395
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.457
And I prepare Tails for memory erasure tests 0.373
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.424
Then I find very few patterns in the guest's memory 2.268 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.771
Then patterns cover at least 99% of the test FS size in the guest's memory 2.666 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.101
Then I find very few patterns in the guest's memory after 3 seconds 5.233 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
# read cache
When I mount the USB drive again 4.982
And I read the content of the test FS 0.423
Then patterns cover at least 99% of the test FS size in the guest's memory 2.744 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.668
Then I find very few patterns in the guest's memory after 3 seconds 5.279 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
After features/support/hooks.rb:326 0.824
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.074
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.356
And I prepare Tails for memory erasure tests 0.392
When I fill a 128 MiB file with a known pattern on the root filesystem 17.442
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.696
Then patterns cover at least 128 MiB in the guest's memory 2.509 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.664 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
After features/support/hooks.rb:326 3.516
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:10.754
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 6:27.992
And I prepare Tails for memory erasure tests 0.460
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.231
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.058 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:326 3.487
After features/support/hooks.rb:100 0.011