Project Number Date
test_Tails_ISO_stable 5481 26 Feb 2025, 12:37

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 11:56.462 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
25.731
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 10.120
And I prepare Tails for memory erasure tests 0.498
When I start a process allocating 128 MiB of memory with a known pattern 1.424
Then patterns cover at least 128 MiB in the guest's memory 3.250 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.440
Then I find very few patterns in the guest's memory after 5 seconds 8.997 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:330 0.938
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.185
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 9.219
And I prepare Tails for memory erasure tests 0.438
And I find very few patterns in the guest's memory 3.104 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.157
Then patterns cover at least 99% of the test FS size in the guest's memory 4.019 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.551
Then I find very few patterns in the guest's memory after 3 seconds 6.693 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 0.850
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.049
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 8.775
And I prepare Tails for memory erasure tests 0.418
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.425
Then I find very few patterns in the guest's memory 4.567 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.589
Then patterns cover at least 75% of the test FS size in the guest's memory 4.410 
Pattern coverage: 83.750% (106 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.529
Then I find very few patterns in the guest's memory after 3 seconds 6.639 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# read cache
When I mount the USB drive again 0.592
And I read the content of the test FS 0.572
Then patterns cover at least 99% of the test FS size in the guest's memory 4.305 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.636
Then I find very few patterns in the guest's memory after 3 seconds 6.584 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:330 0.832
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:27.125
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 7.976
And I prepare Tails for memory erasure tests 0.425
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 40.828
Then I find very few patterns in the guest's memory 3.575 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.092
Then patterns cover at least 99% of the test FS size in the guest's memory 4.396 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.117
Then I find very few patterns in the guest's memory after 3 seconds 8.189 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# read cache
When I mount the USB drive again 5.730
And I read the content of the test FS 1.040
Then patterns cover at least 99% of the test FS size in the guest's memory 5.124 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.670
Then I find very few patterns in the guest's memory after 3 seconds 5.959 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 1.849
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.829
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 8.058
And I prepare Tails for memory erasure tests 0.403
When I fill a 128 MiB file with a known pattern on the root filesystem 15.047
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.829
Then patterns cover at least 128 MiB in the guest's memory 4.924 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.549 
Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)
After features/support/hooks.rb:330 3.577
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:53.540
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 7:6.903
And I prepare Tails for memory erasure tests 0.433
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.059
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.132 
Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)
After features/support/hooks.rb:330 3.509
After features/support/hooks.rb:100 0.012