Project Number Date
test_Tails_ISO_stable 5359 28 Dec 2024, 12:20

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 11:10.817 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
18.958
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.022
And I prepare Tails for memory erasure tests 0.440
When I start a process allocating 128 MiB of memory with a known pattern 1.300
Then patterns cover at least 128 MiB in the guest's memory 3.248 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.220
Then I find very few patterns in the guest's memory after 3 seconds 5.726 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:326 0.833
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
22.465
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.948
And I prepare Tails for memory erasure tests 0.391
And I find very few patterns in the guest's memory 2.807 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.864
Then patterns cover at least 99% of the test FS size in the guest's memory 3.078 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.628
Then I find very few patterns in the guest's memory after 3 seconds 5.747 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:326 0.818
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.037
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.614
And I prepare Tails for memory erasure tests 0.450
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.061
Then I find very few patterns in the guest's memory 2.927 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.554
Then patterns cover at least 75% of the test FS size in the guest's memory 4.037 
Pattern coverage: 86.983% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.339
Then I find very few patterns in the guest's memory after 3 seconds 6.038 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# read cache
When I mount the USB drive again 0.321
And I read the content of the test FS 0.554
Then patterns cover at least 99% of the test FS size in the guest's memory 3.722 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.998
Then I find very few patterns in the guest's memory after 3 seconds 6.417 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:326 0.913
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:10.734
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.069
And I prepare Tails for memory erasure tests 0.414
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 32.555
Then I find very few patterns in the guest's memory 2.390 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.831
Then patterns cover at least 99% of the test FS size in the guest's memory 2.671 
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 5.224 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# read cache
When I mount the USB drive again 5.221
And I read the content of the test FS 0.593
Then patterns cover at least 99% of the test FS size in the guest's memory 4.091 
Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.985
Then I find very few patterns in the guest's memory after 3 seconds 5.814 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:326 1.007
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.312
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.170
And I prepare Tails for memory erasure tests 0.407
When I fill a 128 MiB file with a known pattern on the root filesystem 21.260
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.967
Then patterns cover at least 128 MiB in the guest's memory 2.715 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.039
Then I find very few patterns in the guest's memory after 20 seconds 20.751 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:326 3.526
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:35.308
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 6:49.624
And I prepare Tails for memory erasure tests 1.476
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.123
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 21.066 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:326 3.466
After features/support/hooks.rb:100 0.011