Project Number Date
test_Tails_ISO_20635-greeter-threading-fixes 39 24 Nov 2024, 20:01

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 11:59.562 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
24.273
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.320
And I prepare Tails for memory erasure tests 0.425
When I start a process allocating 128 MiB of memory with a known pattern 2.351
Then patterns cover at least 128 MiB in the guest's memory 4.199 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.704
Then I find very few patterns in the guest's memory after 3 seconds 7.272 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 0.892
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
30.233
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.552
And I prepare Tails for memory erasure tests 0.472
And I find very few patterns in the guest's memory 3.848 
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 3.344
Then patterns cover at least 99% of the test FS size in the guest's memory 4.379 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.983
Then I find very few patterns in the guest's memory after 3 seconds 8.652 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:326 1.414
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.706
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.368
And I prepare Tails for memory erasure tests 0.502
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.056
Then I find very few patterns in the guest's memory 4.005 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.824
Then patterns cover at least 75% of the test FS size in the guest's memory 4.350 
Pattern coverage: 91.933% (117 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.957
Then I find very few patterns in the guest's memory after 3 seconds 7.139 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# read cache
When I mount the USB drive again 0.695
And I read the content of the test FS 2.633
Then patterns cover at least 99% of the test FS size in the guest's memory 4.323 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.098
Then I find very few patterns in the guest's memory after 3 seconds 6.750 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 1.153
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:22.692
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.576
And I prepare Tails for memory erasure tests 0.455
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.182
Then I find very few patterns in the guest's memory 3.336 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.110
Then patterns cover at least 99% of the test FS size in the guest's memory 3.609 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.094
Then I find very few patterns in the guest's memory after 3 seconds 6.062 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# read cache
When I mount the USB drive again 4.906
And I read the content of the test FS 0.879
Then patterns cover at least 99% of the test FS size in the guest's memory 3.557 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 3.804
Then I find very few patterns in the guest's memory after 3 seconds 6.116 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:326 2.517
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.067
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.734
And I prepare Tails for memory erasure tests 0.434
When I fill a 128 MiB file with a known pattern on the root filesystem 19.357
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.013
Then patterns cover at least 128 MiB in the guest's memory 3.512 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.021
Then I find very few patterns in the guest's memory after 20 seconds 20.992 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:326 3.622
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:51.590
Before features/support/hooks.rb:269 0.047
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:6.582
And I prepare Tails for memory erasure tests 0.446
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.263
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.286 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:326 3.511
After features/support/hooks.rb:100 0.013