Project Number Date
test_Tails_ISO_20524-warn-danger-unplug-usb-stick 14 31 Oct 2024, 22:48

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 11:10.095 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
21.197
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.410
And I prepare Tails for memory erasure tests 0.458
When I start a process allocating 128 MiB of memory with a known pattern 1.196
Then patterns cover at least 128 MiB in the guest's memory 4.596 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.336
Then I find very few patterns in the guest's memory after 3 seconds 6.198 
Pattern coverage: 0.000% (0 MiB out of 681 MiB reference memory)
After features/support/hooks.rb:326 0.811
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.249
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.294
And I prepare Tails for memory erasure tests 0.480
And I find very few patterns in the guest's memory 3.932 
Pattern coverage: 0.000% (0 MiB out of 690 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.445
Then patterns cover at least 99% of the test FS size in the guest's memory 4.350 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.520
Then I find very few patterns in the guest's memory after 3 seconds 6.224 
Pattern coverage: 0.000% (0 MiB out of 690 MiB reference memory)
After features/support/hooks.rb:326 0.675
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.967
Before features/support/hooks.rb:269 0.011
Given I have started Tails from DVD without network and logged in 8.317
And I prepare Tails for memory erasure tests 0.377
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.998
Then I find very few patterns in the guest's memory 3.465 
Pattern coverage: 0.000% (0 MiB out of 684 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.355
Then patterns cover at least 75% of the test FS size in the guest's memory 3.846 
Pattern coverage: 82.958% (105 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.493
Then I find very few patterns in the guest's memory after 3 seconds 6.765 
Pattern coverage: 0.000% (0 MiB out of 684 MiB reference memory)
# read cache
When I mount the USB drive again 0.281
And I read the content of the test FS 0.577
Then patterns cover at least 99% of the test FS size in the guest's memory 4.363 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.521
Then I find very few patterns in the guest's memory after 3 seconds 6.603 
Pattern coverage: 0.000% (0 MiB out of 684 MiB reference memory)
After features/support/hooks.rb:326 0.709
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:24.023
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 10.945
And I prepare Tails for memory erasure tests 0.442
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.720
Then I find very few patterns in the guest's memory 2.957 
Pattern coverage: 0.000% (0 MiB out of 689 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.855
Then patterns cover at least 99% of the test FS size in the guest's memory 3.567 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.062
Then I find very few patterns in the guest's memory after 3 seconds 6.216 
Pattern coverage: 0.000% (0 MiB out of 689 MiB reference memory)
# read cache
When I mount the USB drive again 5.364
And I read the content of the test FS 0.533
Then patterns cover at least 99% of the test FS size in the guest's memory 3.873 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.655
Then I find very few patterns in the guest's memory after 3 seconds 5.829 
Pattern coverage: 0.000% (0 MiB out of 689 MiB reference memory)
After features/support/hooks.rb:326 1.051
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.152
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.247
And I prepare Tails for memory erasure tests 0.415
When I fill a 128 MiB file with a known pattern on the root filesystem 17.885
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.073
Then patterns cover at least 128 MiB in the guest's memory 3.598 
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 20.919 
Pattern coverage: 0.000% (0 MiB out of 685 MiB reference memory)
After features/support/hooks.rb:326 3.519
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:18.504
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 6:35.654
And I prepare Tails for memory erasure tests 0.469
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.220
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.142 
Pattern coverage: 0.000% (0 MiB out of 723 MiB reference memory)
After features/support/hooks.rb:326 3.523
After features/support/hooks.rb:100 0.011