Project Number Date
test_Tails_ISO_stable 5197 18 Oct 2024, 12:38

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 12:8.200 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
25.816
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.467
And I prepare Tails for memory erasure tests 0.479
When I start a process allocating 128 MiB of memory with a known pattern 2.509
Then patterns cover at least 128 MiB in the guest's memory 4.990 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.439
Then I find very few patterns in the guest's memory after 3 seconds 6.930 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:326 1.607
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
31.271
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.162
And I prepare Tails for memory erasure tests 0.831
And I find very few patterns in the guest's memory 3.690 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.595
Then patterns cover at least 99% of the test FS size in the guest's memory 8.729 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.711
Then I find very few patterns in the guest's memory after 3 seconds 6.549 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:326 1.259
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.029
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.370
And I prepare Tails for memory erasure tests 0.402
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.750
Then I find very few patterns in the guest's memory 3.957 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.943
Then patterns cover at least 75% of the test FS size in the guest's memory 5.231 
Pattern coverage: 84.736% (108 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.320
Then I find very few patterns in the guest's memory after 3 seconds 6.913 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# read cache
When I mount the USB drive again 0.223
And I read the content of the test FS 0.675
Then patterns cover at least 99% of the test FS size in the guest's memory 4.203 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.556
Then I find very few patterns in the guest's memory after 3 seconds 7.482 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:326 1.504
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:20.373
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.890
And I prepare Tails for memory erasure tests 0.505
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.447
Then I find very few patterns in the guest's memory 2.959 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.368
Then patterns cover at least 99% of the test FS size in the guest's memory 4.173 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.028
Then I find very few patterns in the guest's memory after 3 seconds 6.463 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
# read cache
When I mount the USB drive again 5.573
And I read the content of the test FS 0.459
Then patterns cover at least 99% of the test FS size in the guest's memory 3.692 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.791
Then I find very few patterns in the guest's memory after 3 seconds 6.020 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:326 2.028
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.554
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.502
And I prepare Tails for memory erasure tests 0.562
When I fill a 128 MiB file with a known pattern on the root filesystem 16.369
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 5.291
Then patterns cover at least 128 MiB in the guest's memory 3.476 
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 21.332 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
After features/support/hooks.rb:326 3.550
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:3.155
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 7:16.672
And I prepare Tails for memory erasure tests 0.546
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.614
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.304 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:326 3.534
After features/support/hooks.rb:100 0.011