Project Number Date
test_Tails_ISO_feature-arti 28 14 Apr 2025, 17:15

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 11:51.373 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
25.655
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 8.868
And I prepare Tails for memory erasure tests 0.491
When I start a process allocating 128 MiB of memory with a known pattern 2.411
Then patterns cover at least 128 MiB in the guest's memory 4.368 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.763
Then I find very few patterns in the guest's memory after 5 seconds 8.751 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:330 0.983
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.606
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 8.795
And I prepare Tails for memory erasure tests 0.527
And I find very few patterns in the guest's memory 4.176 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.009
Then patterns cover at least 99% of the test FS size in the guest's memory 4.426 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.629
Then I find very few patterns in the guest's memory after 3 seconds 7.041 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:330 0.788
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.620
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 8.441
And I prepare Tails for memory erasure tests 0.463
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.267
Then I find very few patterns in the guest's memory 4.021 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.758
Then patterns cover at least 75% of the test FS size in the guest's memory 5.567 
Pattern coverage: 88.523% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.965
Then I find very few patterns in the guest's memory after 3 seconds 6.946 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
# read cache
When I mount the USB drive again 0.236
And I read the content of the test FS 0.514
Then patterns cover at least 99% of the test FS size in the guest's memory 3.998 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.361
Then I find very few patterns in the guest's memory after 3 seconds 7.079 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:330 1.112
After features/support/hooks.rb:100 0.002
Tags: @product @slow @not_release_blocker
1:21.762
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.006
Given I have started Tails from DVD without network and logged in 8.658
And I prepare Tails for memory erasure tests 0.498
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 40.467
Then I find very few patterns in the guest's memory 3.270 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.996
Then patterns cover at least 99% of the test FS size in the guest's memory 3.544 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.294
Then I find very few patterns in the guest's memory after 3 seconds 6.258 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# read cache
When I mount the USB drive again 4.162
And I read the content of the test FS 0.853
Then patterns cover at least 99% of the test FS size in the guest's memory 3.671 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.720
Then I find very few patterns in the guest's memory after 3 seconds 6.365 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 2.601
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
53.134
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.005
Given I have started Tails from DVD without network and logged in 8.649
And I prepare Tails for memory erasure tests 0.444
When I fill a 128 MiB file with a known pattern on the root filesystem 16.841
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.314
Then patterns cover at least 128 MiB in the guest's memory 3.315 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.556 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:330 3.563
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:51.592
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:8.501
And I prepare Tails for memory erasure tests 0.413
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.180
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.484 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:330 3.581
After features/support/hooks.rb:100 0.013