Project Number Date
test_Tails_ISO_20635-greeter-threading-fixes 33 18 Nov 2024, 19:48

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 12:9.771 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
25.690
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.048
And I prepare Tails for memory erasure tests 0.416
When I start a process allocating 128 MiB of memory with a known pattern 2.377
Then patterns cover at least 128 MiB in the guest's memory 3.719 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 5.481
Then I find very few patterns in the guest's memory after 3 seconds 5.647 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:326 3.527
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.069
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.083
And I prepare Tails for memory erasure tests 0.472
And I find very few patterns in the guest's memory 3.116 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.487
Then patterns cover at least 99% of the test FS size in the guest's memory 3.466 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.877
Then I find very few patterns in the guest's memory after 3 seconds 6.565 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:326 1.012
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:4.864
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 21.816
And I prepare Tails for memory erasure tests 0.480
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.785
Then I find very few patterns in the guest's memory 4.195 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.223
Then patterns cover at least 75% of the test FS size in the guest's memory 4.585 
Pattern coverage: 89.344% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.968
Then I find very few patterns in the guest's memory after 3 seconds 6.608 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# read cache
When I mount the USB drive again 0.262
And I read the content of the test FS 0.622
Then patterns cover at least 99% of the test FS size in the guest's memory 3.967 
Pattern coverage: 100.596% (128 MiB out of 127 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 6.565 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:326 0.966
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.133
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.548
And I prepare Tails for memory erasure tests 0.453
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.701
Then I find very few patterns in the guest's memory 3.198 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.897
Then patterns cover at least 99% of the test FS size in the guest's memory 3.421 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.908
Then I find very few patterns in the guest's memory after 3 seconds 5.906 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# read cache
When I mount the USB drive again 4.956
And I read the content of the test FS 0.437
Then patterns cover at least 99% of the test FS size in the guest's memory 3.572 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.975
Then I find very few patterns in the guest's memory after 3 seconds 6.155 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:326 1.113
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.427
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.452
And I prepare Tails for memory erasure tests 0.527
When I fill a 128 MiB file with a known pattern on the root filesystem 16.643
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.836
Then patterns cover at least 128 MiB in the guest's memory 3.065 
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 20.890 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:326 3.551
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:5.586
Before features/support/hooks.rb:269 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:21.412
And I prepare Tails for memory erasure tests 0.546
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.320
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.289 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 3.583
After features/support/hooks.rb:100 0.014