Project Number Date
test_Tails_ISO_20524-warn-danger-unplug-usb-stick 11 30 Oct 2024, 22:44

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 10:54.263 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
20.647
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.051
And I prepare Tails for memory erasure tests 0.431
When I start a process allocating 128 MiB of memory with a known pattern 1.209
Then patterns cover at least 128 MiB in the guest's memory 4.368 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.232
Then I find very few patterns in the guest's memory after 3 seconds 6.354 
Pattern coverage: 0.000% (0 MiB out of 698 MiB reference memory)
After features/support/hooks.rb:326 0.724
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.681
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.154
And I prepare Tails for memory erasure tests 0.482
And I find very few patterns in the guest's memory 3.408 
Pattern coverage: 0.000% (0 MiB out of 698 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.337
Then patterns cover at least 99% of the test FS size in the guest's memory 3.702 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.499
Then I find very few patterns in the guest's memory after 3 seconds 6.096 
Pattern coverage: 0.000% (0 MiB out of 698 MiB reference memory)
After features/support/hooks.rb:326 0.724
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
45.800
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.950
And I prepare Tails for memory erasure tests 0.430
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.158
Then I find very few patterns in the guest's memory 2.964 
Pattern coverage: 0.000% (0 MiB out of 699 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.279
Then patterns cover at least 75% of the test FS size in the guest's memory 4.058 
Pattern coverage: 78.617% (100 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.064
Then I find very few patterns in the guest's memory after 3 seconds 6.606 
Pattern coverage: 0.000% (0 MiB out of 699 MiB reference memory)
# read cache
When I mount the USB drive again 0.197
And I read the content of the test FS 0.628
Then patterns cover at least 99% of the test FS size in the guest's memory 3.754 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.423
Then I find very few patterns in the guest's memory after 3 seconds 6.284 
Pattern coverage: 0.001% (0 MiB out of 699 MiB reference memory)
After features/support/hooks.rb:326 0.761
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:13.979
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.057
And I prepare Tails for memory erasure tests 0.608
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.883
Then I find very few patterns in the guest's memory 2.795 
Pattern coverage: 0.000% (0 MiB out of 700 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.759
Then patterns cover at least 99% of the test FS size in the guest's memory 2.958 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.692
Then I find very few patterns in the guest's memory after 3 seconds 5.724 
Pattern coverage: 0.000% (0 MiB out of 700 MiB reference memory)
# read cache
When I mount the USB drive again 4.571
And I read the content of the test FS 0.461
Then patterns cover at least 99% of the test FS size in the guest's memory 3.096 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.705
Then I find very few patterns in the guest's memory after 3 seconds 5.664 
Pattern coverage: 0.000% (0 MiB out of 700 MiB reference memory)
After features/support/hooks.rb:326 2.778
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.558
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.069
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 18.263
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.347
Then patterns cover at least 128 MiB in the guest's memory 3.571 
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 20.791 
Pattern coverage: 0.000% (0 MiB out of 693 MiB reference memory)
After features/support/hooks.rb:326 3.482
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:15.596
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 6:31.737
And I prepare Tails for memory erasure tests 0.415
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.260
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.169 
Pattern coverage: 0.000% (0 MiB out of 743 MiB reference memory)
After features/support/hooks.rb:326 3.548
After features/support/hooks.rb:100 0.011