Project Number Date
test_Tails_ISO_5501-plaintext-locale-greeter 41 28 Jun 2025, 11:14

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 15:34.133 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
39.394
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 9.012
And I prepare Tails for memory erasure tests 0.554
When I start a process allocating 128 MiB of memory with a known pattern 3.449
Then patterns cover at least 128 MiB in the guest's memory 9.160 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.369
Then I find very few patterns in the guest's memory after 5 seconds 15.848 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:330 1.151
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
38.437
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 8.694
And I prepare Tails for memory erasure tests 1.555
And I find very few patterns in the guest's memory 8.762 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.506
Then patterns cover at least 99% of the test FS size in the guest's memory 3.410 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.410
Then I find very few patterns in the guest's memory after 3 seconds 12.096 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 1.041
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:8.966
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 9.011
And I prepare Tails for memory erasure tests 0.919
When I plug and mount a 128 MiB USB drive with a vfat filesystem 16.694
Then I find very few patterns in the guest's memory 5.263 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.079
Then patterns cover at least 75% of the test FS size in the guest's memory 6.632 
Pattern coverage: 87.296% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 3.175
Then I find very few patterns in the guest's memory after 3 seconds 11.446 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
# read cache
When I mount the USB drive again 0.393
And I read the content of the test FS 0.953
Then patterns cover at least 99% of the test FS size in the guest's memory 4.685 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.316
Then I find very few patterns in the guest's memory after 3 seconds 6.393 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:330 3.449
After features/support/hooks.rb:100 0.002
Tags: @product @slow @not_release_blocker
2:2.079
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.010
Given I have started Tails from DVD without network and logged in 13.627
And I prepare Tails for memory erasure tests 0.514
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 58.985
Then I find very few patterns in the guest's memory 2.989 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.307
Then patterns cover at least 99% of the test FS size in the guest's memory 9.118 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.724
Then I find very few patterns in the guest's memory after 3 seconds 6.081 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
# read cache
When I mount the USB drive again 13.189
And I read the content of the test FS 0.420
Then patterns cover at least 99% of the test FS size in the guest's memory 2.337 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.536
Then I find very few patterns in the guest's memory after 3 seconds 10.246 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
After features/support/hooks.rb:330 2.678
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
1:4.204
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.009
Given I have started Tails from DVD without network and logged in 10.604
And I prepare Tails for memory erasure tests 0.457
When I fill a 128 MiB file with a known pattern on the root filesystem 19.854
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 4.428
Then patterns cover at least 128 MiB in the guest's memory 8.088 
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 20.757 
Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)
After features/support/hooks.rb:330 3.542
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
10:1.051
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 9:11.657
And I prepare Tails for memory erasure tests 0.516
When I fill a 128 MiB file with a known pattern on the persistent filesystem 27.043
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.819 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:330 6.149
After features/support/hooks.rb:100 0.326