Project Number Date
test_Tails_ISO_20524-warn-danger-unplug-usb-stick 72 18 Dec 2024, 07:30

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 10:59.128 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
20.655
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.680
And I prepare Tails for memory erasure tests 0.589
When I start a process allocating 128 MiB of memory with a known pattern 1.281
Then patterns cover at least 128 MiB in the guest's memory 3.197 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.116
Then I find very few patterns in the guest's memory after 3 seconds 5.790 
Pattern coverage: 0.000% (0 MiB out of 701 MiB reference memory)
After features/support/hooks.rb:326 0.876
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.158
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.779
And I prepare Tails for memory erasure tests 0.445
And I find very few patterns in the guest's memory 3.593 
Pattern coverage: 0.000% (0 MiB out of 693 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.350
Then patterns cover at least 99% of the test FS size in the guest's memory 4.078 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.266
Then I find very few patterns in the guest's memory after 3 seconds 6.644 
Pattern coverage: 0.000% (0 MiB out of 693 MiB reference memory)
After features/support/hooks.rb:326 0.681
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.059
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.429
And I prepare Tails for memory erasure tests 0.863
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.230
Then I find very few patterns in the guest's memory 3.704 
Pattern coverage: 0.000% (0 MiB out of 689 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.814
Then patterns cover at least 75% of the test FS size in the guest's memory 4.299 
Pattern coverage: 80.980% (103 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.238
Then I find very few patterns in the guest's memory after 3 seconds 6.501 
Pattern coverage: 0.000% (0 MiB out of 689 MiB reference memory)
# read cache
When I mount the USB drive again 0.480
And I read the content of the test FS 0.908
Then patterns cover at least 99% of the test FS size in the guest's memory 3.214 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.406
Then I find very few patterns in the guest's memory after 3 seconds 5.967 
Pattern coverage: 0.001% (0 MiB out of 689 MiB reference memory)
After features/support/hooks.rb:326 0.882
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:14.245
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.367
And I prepare Tails for memory erasure tests 0.620
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.671
Then I find very few patterns in the guest's memory 2.529 
Pattern coverage: 0.000% (0 MiB out of 712 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.793
Then patterns cover at least 99% of the test FS size in the guest's memory 2.696 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 2.364
Then I find very few patterns in the guest's memory after 3 seconds 5.494 
Pattern coverage: 0.000% (0 MiB out of 712 MiB reference memory)
# read cache
When I mount the USB drive again 5.200
And I read the content of the test FS 0.458
Then patterns cover at least 99% of the test FS size in the guest's memory 2.532 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.660
Then I find very few patterns in the guest's memory after 3 seconds 5.854 
Pattern coverage: 0.000% (0 MiB out of 712 MiB reference memory)
After features/support/hooks.rb:326 1.188
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.688
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.152
And I prepare Tails for memory erasure tests 0.517
When I fill a 128 MiB file with a known pattern on the root filesystem 18.077
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.418
Then patterns cover at least 128 MiB in the guest's memory 2.708 
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 20.800 
Pattern coverage: 0.000% (0 MiB out of 692 MiB reference memory)
After features/support/hooks.rb:326 3.551
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:16.322
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 6:32.901
And I prepare Tails for memory erasure tests 0.463
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.784
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.160 
Pattern coverage: 0.000% (0 MiB out of 745 MiB reference memory)
After features/support/hooks.rb:326 3.582
After features/support/hooks.rb:100 0.014