Project Number Date
test_Tails_ISO_20898-tinyrpc-drop 2 15 Apr 2025, 20:56

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 10:31.173 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
23.214
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 7.985
And I prepare Tails for memory erasure tests 0.438
When I start a process allocating 128 MiB of memory with a known pattern 1.290
Then patterns cover at least 128 MiB in the guest's memory 3.784 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.884
Then I find very few patterns in the guest's memory after 5 seconds 8.830 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 0.598
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.105
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 8.189
And I prepare Tails for memory erasure tests 0.389
And I find very few patterns in the guest's memory 3.321 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.991
Then patterns cover at least 99% of the test FS size in the guest's memory 3.624 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.565
Then I find very few patterns in the guest's memory after 3 seconds 6.023 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 0.590
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
44.200
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 8.016
And I prepare Tails for memory erasure tests 0.403
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.151
Then I find very few patterns in the guest's memory 3.042 
Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.469
Then patterns cover at least 75% of the test FS size in the guest's memory 3.497 
Pattern coverage: 87.044% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.964
Then I find very few patterns in the guest's memory after 3 seconds 5.705 
Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)
# read cache
When I mount the USB drive again 0.273
And I read the content of the test FS 0.509
Then patterns cover at least 99% of the test FS size in the guest's memory 3.466 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.603
Then I find very few patterns in the guest's memory after 3 seconds 6.096 
Pattern coverage: 0.001% (0 MiB out of 866 MiB reference memory)
After features/support/hooks.rb:330 0.631
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:17.458
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 8.019
And I prepare Tails for memory erasure tests 0.401
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.651
Then I find very few patterns in the guest's memory 3.266 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.730
Then patterns cover at least 99% of the test FS size in the guest's memory 3.614 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.784
Then I find very few patterns in the guest's memory after 3 seconds 6.199 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
# read cache
When I mount the USB drive again 4.189
And I read the content of the test FS 0.391
Then patterns cover at least 99% of the test FS size in the guest's memory 2.861 
Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.514
Then I find very few patterns in the guest's memory after 3 seconds 5.833 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:330 0.806
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.978
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 8.025
And I prepare Tails for memory erasure tests 0.397
When I fill a 128 MiB file with a known pattern on the root filesystem 16.167
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.847
Then patterns cover at least 128 MiB in the guest's memory 2.650 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.875 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:330 3.558
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
6:52.217
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 6:8.102
And I prepare Tails for memory erasure tests 0.387
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.457
When I trigger shutdown 0.019
Then I find very few patterns in the guest's memory after 20 seconds 21.250 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:330 3.511
After features/support/hooks.rb:100 0.011