Project Number Date
test_Tails_ISO_5501-plaintext-locale-greeter 15 05 Jun 2025, 09:33

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 11:31.487 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
30.313
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 12.478
And I prepare Tails for memory erasure tests 0.516
When I start a process allocating 128 MiB of memory with a known pattern 2.315
Then patterns cover at least 128 MiB in the guest's memory 3.711 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 2.742
Then I find very few patterns in the guest's memory after 5 seconds 8.549 
Pattern coverage: 0.000% (0 MiB out of 863 MiB reference memory)
After features/support/hooks.rb:330 0.775
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.718
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 7.970
And I prepare Tails for memory erasure tests 0.454
And I find very few patterns in the guest's memory 3.739 
Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.317
Then patterns cover at least 99% of the test FS size in the guest's memory 3.997 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.710
Then I find very few patterns in the guest's memory after 3 seconds 6.528 
Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)
After features/support/hooks.rb:330 0.709
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.440
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 7.962
And I prepare Tails for memory erasure tests 0.412
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.150
Then I find very few patterns in the guest's memory 3.843 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.426
Then patterns cover at least 75% of the test FS size in the guest's memory 4.288 
Pattern coverage: 84.941% (108 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.852
Then I find very few patterns in the guest's memory after 3 seconds 6.512 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# read cache
When I mount the USB drive again 0.224
And I read the content of the test FS 0.665
Then patterns cover at least 99% of the test FS size in the guest's memory 4.008 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.409
Then I find very few patterns in the guest's memory after 3 seconds 6.683 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:330 0.776
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:20.812
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 8.044
And I prepare Tails for memory erasure tests 0.412
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 42.090
Then I find very few patterns in the guest's memory 2.881 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.664
Then patterns cover at least 99% of the test FS size in the guest's memory 3.221 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.709
Then I find very few patterns in the guest's memory after 3 seconds 6.046 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# read cache
When I mount the USB drive again 4.901
And I read the content of the test FS 0.921
Then patterns cover at least 99% of the test FS size in the guest's memory 3.139 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.709
Then I find very few patterns in the guest's memory after 3 seconds 6.072 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 1.120
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.298
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 8.208
And I prepare Tails for memory erasure tests 0.474
When I fill a 128 MiB file with a known pattern on the root filesystem 17.303
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 5.087
Then patterns cover at least 128 MiB in the guest's memory 3.359 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 20.845 
Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)
After features/support/hooks.rb:330 3.476
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:30.903
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 6:42.758
And I prepare Tails for memory erasure tests 0.649
When I fill a 128 MiB file with a known pattern on the persistent filesystem 26.190
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.292 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 3.706
After features/support/hooks.rb:100 0.012