Project Number Date
test_Tails_ISO_5501-plaintext-locale-greeter 45 03 Jul 2025, 11:47

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 15:3.502 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
34.961
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 10.223
And I prepare Tails for memory erasure tests 1.955
When I start a process allocating 128 MiB of memory with a known pattern 3.227
Then patterns cover at least 128 MiB in the guest's memory 4.429 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.602
Then I find very few patterns in the guest's memory after 5 seconds 14.523 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:330 2.104
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
40.739
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 9.793
And I prepare Tails for memory erasure tests 0.533
And I find very few patterns in the guest's memory 10.629 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.879
Then patterns cover at least 99% of the test FS size in the guest's memory 3.517 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.457
Then I find very few patterns in the guest's memory after 3 seconds 13.928 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:330 0.941
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:6.428
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 10.029
And I prepare Tails for memory erasure tests 2.666
When I plug and mount a 128 MiB USB drive with a vfat filesystem 12.586
Then I find very few patterns in the guest's memory 3.233 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.340
Then patterns cover at least 75% of the test FS size in the guest's memory 5.897 
Pattern coverage: 86.968% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.146
Then I find very few patterns in the guest's memory after 3 seconds 7.126 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# read cache
When I mount the USB drive again 0.271
And I read the content of the test FS 0.655
Then patterns cover at least 99% of the test FS size in the guest's memory 11.776 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.429
Then I find very few patterns in the guest's memory after 3 seconds 6.269 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:330 1.097
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:54.405
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 13.290
And I prepare Tails for memory erasure tests 0.497
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 59.958
Then I find very few patterns in the guest's memory 2.320 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.475
Then patterns cover at least 99% of the test FS size in the guest's memory 7.602 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.881
Then I find very few patterns in the guest's memory after 3 seconds 5.723 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# read cache
When I mount the USB drive again 5.638
And I read the content of the test FS 0.491
Then patterns cover at least 99% of the test FS size in the guest's memory 7.892 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.210
Then I find very few patterns in the guest's memory after 3 seconds 5.421 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 1.562
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
59.385
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 15.320
And I prepare Tails for memory erasure tests 0.539
When I fill a 128 MiB file with a known pattern on the root filesystem 16.819
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.919
Then patterns cover at least 128 MiB in the guest's memory 2.984 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.787 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 3.545
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
9:47.581
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 8:51.743
And I prepare Tails for memory erasure tests 0.654
When I fill a 128 MiB file with a known pattern on the persistent filesystem 29.828
When I trigger shutdown 0.058
Then I find very few patterns in the guest's memory after 20 seconds 25.296 
Pattern coverage: 0.000% (0 MiB out of 922 MiB reference memory)
After features/support/hooks.rb:330 3.886
After features/support/hooks.rb:100 0.013