Project Number Date
test_Tails_ISO_20816-block-paths-bwrap 23 26 Mar 2025, 06:18

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 10:38.526 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
22.371
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 7.890
And I prepare Tails for memory erasure tests 0.393
When I start a process allocating 128 MiB of memory with a known pattern 2.345
Then patterns cover at least 128 MiB in the guest's memory 3.290 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.638
Then I find very few patterns in the guest's memory after 5 seconds 7.813 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:330 0.696
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
21.942
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 7.837
And I prepare Tails for memory erasure tests 0.466
And I find very few patterns in the guest's memory 2.735 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.836
Then patterns cover at least 99% of the test FS size in the guest's memory 2.821 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.470
Then I find very few patterns in the guest's memory after 3 seconds 5.775 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:330 0.732
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
46.157
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.009
And I prepare Tails for memory erasure tests 0.437
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.084
Then I find very few patterns in the guest's memory 3.095 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.530
Then patterns cover at least 75% of the test FS size in the guest's memory 3.167 
Pattern coverage: 89.702% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.282
Then I find very few patterns in the guest's memory after 3 seconds 5.977 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# read cache
When I mount the USB drive again 0.353
And I read the content of the test FS 0.656
Then patterns cover at least 99% of the test FS size in the guest's memory 3.402 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.482
Then I find very few patterns in the guest's memory after 3 seconds 6.676 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:330 0.903
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:12.441
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 7.915
And I prepare Tails for memory erasure tests 0.429
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.882
Then I find very few patterns in the guest's memory 2.357 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.632
Then patterns cover at least 99% of the test FS size in the guest's memory 2.736 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.792
Then I find very few patterns in the guest's memory after 3 seconds 5.276 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# read cache
When I mount the USB drive again 4.364
And I read the content of the test FS 0.497
Then patterns cover at least 99% of the test FS size in the guest's memory 2.647 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.542
Then I find very few patterns in the guest's memory after 3 seconds 5.366 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:330 1.053
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.004
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.007
Given I have started Tails from DVD without network and logged in 7.999
And I prepare Tails for memory erasure tests 0.515
When I fill a 128 MiB file with a known pattern on the root filesystem 16.356
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.956
Then patterns cover at least 128 MiB in the guest's memory 2.443 
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 20.717 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:330 3.531
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:5.609
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:17.107
And I prepare Tails for memory erasure tests 1.061
When I fill a 128 MiB file with a known pattern on the persistent filesystem 26.218
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.211 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 3.508
After features/support/hooks.rb:100 0.014