Project Number Date
test_Tails_ISO_devel 3499 01 Sep 2024, 12:15

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 10:46.833 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
19.763
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.870
And I prepare Tails for memory erasure tests 0.420
When I start a process allocating 128 MiB of memory with a known pattern 1.183
Then patterns cover at least 128 MiB in the guest's memory 3.831 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.225
Then I find very few patterns in the guest's memory after 3 seconds 6.233 
Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)
After features/support/hooks.rb:326 1.096
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.105
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.865
And I prepare Tails for memory erasure tests 0.346
And I find very few patterns in the guest's memory 3.159 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.558
Then patterns cover at least 99% of the test FS size in the guest's memory 3.721 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.569
Then I find very few patterns in the guest's memory after 3 seconds 6.884 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:326 1.775
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
45.388
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.909
And I prepare Tails for memory erasure tests 0.362
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.060
Then I find very few patterns in the guest's memory 3.460 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.445
Then patterns cover at least 75% of the test FS size in the guest's memory 3.712 
Pattern coverage: 84.868% (108 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.475
Then I find very few patterns in the guest's memory after 3 seconds 5.912 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# read cache
When I mount the USB drive again 0.307
And I read the content of the test FS 0.460
Then patterns cover at least 99% of the test FS size in the guest's memory 3.716 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.528
Then I find very few patterns in the guest's memory after 3 seconds 6.035 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:326 1.771
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:14.462
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.857
And I prepare Tails for memory erasure tests 0.394
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.079
Then I find very few patterns in the guest's memory 2.491 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.841
Then patterns cover at least 99% of the test FS size in the guest's memory 3.077 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.871
Then I find very few patterns in the guest's memory after 3 seconds 5.715 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# read cache
When I mount the USB drive again 5.324
And I read the content of the test FS 0.393
Then patterns cover at least 99% of the test FS size in the guest's memory 3.066 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.801
Then I find very few patterns in the guest's memory after 3 seconds 5.546 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:326 0.815
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.350
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.921
And I prepare Tails for memory erasure tests 0.355
When I fill a 128 MiB file with a known pattern on the root filesystem 15.777
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.778
Then patterns cover at least 128 MiB in the guest's memory 2.743 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 20.754 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:326 3.504
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:13.762
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 6:31.703
And I prepare Tails for memory erasure tests 0.398
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.495
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.151 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:326 3.487
After features/support/hooks.rb:100 0.012