Project Number Date
test_Tails_ISO_tca-misc-improvements 1 09 Apr 2025, 15:51

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 10:59.547 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
23.256
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.320
And I prepare Tails for memory erasure tests 0.427
When I start a process allocating 128 MiB of memory with a known pattern 1.332
Then patterns cover at least 128 MiB in the guest's memory 4.447 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.570
Then I find very few patterns in the guest's memory after 5 seconds 8.158 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
After features/support/hooks.rb:330 0.656
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.295
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 8.817
And I prepare Tails for memory erasure tests 0.386
And I find very few patterns in the guest's memory 2.977 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.688
Then patterns cover at least 99% of the test FS size in the guest's memory 3.787 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.302
Then I find very few patterns in the guest's memory after 3 seconds 6.334 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:330 0.790
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
47.428
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 8.849
And I prepare Tails for memory erasure tests 0.555
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.257
Then I find very few patterns in the guest's memory 3.355 
Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.227
Then patterns cover at least 75% of the test FS size in the guest's memory 3.732 
Pattern coverage: 84.794% (108 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.986
Then I find very few patterns in the guest's memory after 3 seconds 6.204 
Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)
# read cache
When I mount the USB drive again 0.225
And I read the content of the test FS 0.754
Then patterns cover at least 99% of the test FS size in the guest's memory 3.649 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.416
Then I find very few patterns in the guest's memory after 3 seconds 6.212 
Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)
After features/support/hooks.rb:330 0.666
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:14.630
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.252
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" 37.329
Then I find very few patterns in the guest's memory 2.885 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.720
Then patterns cover at least 99% of the test FS size in the guest's memory 3.155 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.695
Then I find very few patterns in the guest's memory after 3 seconds 5.760 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
# read cache
When I mount the USB drive again 3.896
And I read the content of the test FS 0.471
Then patterns cover at least 99% of the test FS size in the guest's memory 3.272 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.596
Then I find very few patterns in the guest's memory after 3 seconds 6.163 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
After features/support/hooks.rb:330 1.592
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.822
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.235
And I prepare Tails for memory erasure tests 0.486
When I fill a 128 MiB file with a known pattern on the root filesystem 15.754
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.834
Then patterns cover at least 128 MiB in the guest's memory 2.700 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.798 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
After features/support/hooks.rb:330 3.496
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:20.113
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 6:35.902
And I prepare Tails for memory erasure tests 0.443
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.431
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.323 
Pattern coverage: 0.000% (0 MiB out of 911 MiB reference memory)
After features/support/hooks.rb:330 3.481
After features/support/hooks.rb:100 0.012