Project Number Date
test_Tails_ISO_20524-warn-danger-unplug-usb-stick 7 29 Oct 2024, 16:37

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 11:11.394 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
22.960
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.382
And I prepare Tails for memory erasure tests 0.610
When I start a process allocating 128 MiB of memory with a known pattern 2.318
Then patterns cover at least 128 MiB in the guest's memory 4.190 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.303
Then I find very few patterns in the guest's memory after 3 seconds 7.154 
Pattern coverage: 0.000% (0 MiB out of 703 MiB reference memory)
After features/support/hooks.rb:326 0.859
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
28.430
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 10.191
And I prepare Tails for memory erasure tests 0.491
And I find very few patterns in the guest's memory 4.229 
Pattern coverage: 0.000% (0 MiB out of 686 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.629
Then patterns cover at least 99% of the test FS size in the guest's memory 4.687 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.487
Then I find very few patterns in the guest's memory after 3 seconds 6.714 
Pattern coverage: 0.000% (0 MiB out of 686 MiB reference memory)
After features/support/hooks.rb:326 1.233
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.791
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.143
And I prepare Tails for memory erasure tests 0.533
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.283
Then I find very few patterns in the guest's memory 3.058 
Pattern coverage: 0.000% (0 MiB out of 702 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.806
Then patterns cover at least 75% of the test FS size in the guest's memory 3.982 
Pattern coverage: 80.784% (103 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.316
Then I find very few patterns in the guest's memory after 3 seconds 6.428 
Pattern coverage: 0.000% (0 MiB out of 702 MiB reference memory)
# read cache
When I mount the USB drive again 0.767
And I read the content of the test FS 0.614
Then patterns cover at least 99% of the test FS size in the guest's memory 4.041 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.569
Then I find very few patterns in the guest's memory after 3 seconds 6.243 
Pattern coverage: 0.000% (0 MiB out of 702 MiB reference memory)
After features/support/hooks.rb:326 0.819
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.082
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.115
And I prepare Tails for memory erasure tests 0.479
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.351
Then I find very few patterns in the guest's memory 2.858 
Pattern coverage: 0.000% (0 MiB out of 693 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.055
Then patterns cover at least 99% of the test FS size in the guest's memory 3.161 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.047
Then I find very few patterns in the guest's memory after 3 seconds 5.793 
Pattern coverage: 0.000% (0 MiB out of 693 MiB reference memory)
# read cache
When I mount the USB drive again 6.522
And I read the content of the test FS 0.962
Then patterns cover at least 99% of the test FS size in the guest's memory 3.347 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.580
Then I find very few patterns in the guest's memory after 3 seconds 5.806 
Pattern coverage: 0.000% (0 MiB out of 693 MiB reference memory)
After features/support/hooks.rb:326 1.214
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.999
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.124
And I prepare Tails for memory erasure tests 0.477
When I fill a 128 MiB file with a known pattern on the root filesystem 15.023
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.256
Then patterns cover at least 128 MiB in the guest's memory 3.324 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.779 
Pattern coverage: 0.000% (0 MiB out of 699 MiB reference memory)
After features/support/hooks.rb:326 3.521
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:25.129
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 6:42.716
And I prepare Tails for memory erasure tests 0.457
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.770
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.173 
Pattern coverage: 0.000% (0 MiB out of 729 MiB reference memory)
After features/support/hooks.rb:326 3.564
After features/support/hooks.rb:100 0.012