Project Number Date
test_Tails_ISO_5501-plaintext-locale-greeter 21 11 Jun 2025, 09:07

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 10:30.868 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
23.790
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 7.850
And I prepare Tails for memory erasure tests 0.543
When I start a process allocating 128 MiB of memory with a known pattern 1.190
Then patterns cover at least 128 MiB in the guest's memory 3.618 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 2.457
Then I find very few patterns in the guest's memory after 5 seconds 8.129 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:330 1.342
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.509
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 7.881
And I prepare Tails for memory erasure tests 0.500
And I find very few patterns in the guest's memory 4.078 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.863
Then patterns cover at least 99% of the test FS size in the guest's memory 3.608 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.546
Then I find very few patterns in the guest's memory after 3 seconds 6.029 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:330 0.713
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
45.584
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 7.842
And I prepare Tails for memory erasure tests 0.484
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.985
Then I find very few patterns in the guest's memory 3.138 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.134
Then patterns cover at least 75% of the test FS size in the guest's memory 4.124 
Pattern coverage: 83.732% (106 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.868
Then I find very few patterns in the guest's memory after 3 seconds 5.791 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# read cache
When I mount the USB drive again 0.275
And I read the content of the test FS 0.443
Then patterns cover at least 99% of the test FS size in the guest's memory 3.603 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.400
Then I find very few patterns in the guest's memory after 3 seconds 6.490 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 0.807
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.697
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 7.838
And I prepare Tails for memory erasure tests 0.434
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 42.319
Then I find very few patterns in the guest's memory 2.479 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.581
Then patterns cover at least 99% of the test FS size in the guest's memory 3.026 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.657
Then I find very few patterns in the guest's memory after 3 seconds 5.912 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
# read cache
When I mount the USB drive again 3.445
And I read the content of the test FS 0.692
Then patterns cover at least 99% of the test FS size in the guest's memory 2.474 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.521
Then I find very few patterns in the guest's memory after 3 seconds 5.312 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
After features/support/hooks.rb:330 1.254
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.119
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 7.851
And I prepare Tails for memory erasure tests 0.480
When I fill a 128 MiB file with a known pattern on the root filesystem 16.808
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.647
Then patterns cover at least 128 MiB in the guest's memory 2.587 
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 20.731 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 3.559
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
6:50.167
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 6:6.414
And I prepare Tails for memory erasure tests 0.469
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.172
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.097 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
After features/support/hooks.rb:330 3.476
After features/support/hooks.rb:100 0.010