Project Number Date
test_Tails_ISO_devel 3487 20 Aug 2024, 12:45

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 11:47.841 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
23.904
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.572
And I prepare Tails for memory erasure tests 0.496
When I start a process allocating 128 MiB of memory with a known pattern 2.470
Then patterns cover at least 128 MiB in the guest's memory 4.018 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 2.226
Then I find very few patterns in the guest's memory after 3 seconds 6.120 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:326 1.015
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.617
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.935
And I prepare Tails for memory erasure tests 0.417
And I find very few patterns in the guest's memory 2.853 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.881
Then patterns cover at least 99% of the test FS size in the guest's memory 3.894 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.698
Then I find very few patterns in the guest's memory after 3 seconds 5.936 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:326 1.001
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.902
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.041
And I prepare Tails for memory erasure tests 0.429
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.078
Then I find very few patterns in the guest's memory 2.928 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.995
Then patterns cover at least 75% of the test FS size in the guest's memory 3.398 
Pattern coverage: 90.831% (115 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.957
Then I find very few patterns in the guest's memory after 3 seconds 5.855 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
# read cache
When I mount the USB drive again 0.264
And I read the content of the test FS 0.565
Then patterns cover at least 99% of the test FS size in the guest's memory 4.008 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.466
Then I find very few patterns in the guest's memory after 3 seconds 6.909 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:326 0.950
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:20.212
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.530
And I prepare Tails for memory erasure tests 0.396
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.650
Then I find very few patterns in the guest's memory 2.757 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.963
Then patterns cover at least 99% of the test FS size in the guest's memory 2.943 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.029
Then I find very few patterns in the guest's memory after 3 seconds 5.975 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
# read cache
When I mount the USB drive again 6.150
And I read the content of the test FS 0.540
Then patterns cover at least 99% of the test FS size in the guest's memory 3.488 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.990
Then I find very few patterns in the guest's memory after 3 seconds 5.795 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:326 0.914
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.429
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.254
And I prepare Tails for memory erasure tests 0.458
When I fill a 128 MiB file with a known pattern on the root filesystem 16.359
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.801
Then patterns cover at least 128 MiB in the guest's memory 2.695 
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 20.845 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:326 3.548
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:58.775
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 7:9.607
And I prepare Tails for memory erasure tests 0.389
When I fill a 128 MiB file with a known pattern on the persistent filesystem 27.594
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.171 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:326 3.515
After features/support/hooks.rb:100 0.015