Project Number Date
test_Tails_ISO_20635-greeter-threading-fixes 38 23 Nov 2024, 20:05

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 12:7.431 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
23.765
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.876
And I prepare Tails for memory erasure tests 0.635
When I start a process allocating 128 MiB of memory with a known pattern 2.332
Then patterns cover at least 128 MiB in the guest's memory 4.088 
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 3 seconds 6.464 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
After features/support/hooks.rb:326 0.851
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.160
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.505
And I prepare Tails for memory erasure tests 0.467
And I find very few patterns in the guest's memory 3.785 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.954
Then patterns cover at least 99% of the test FS size in the guest's memory 4.302 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.025
Then I find very few patterns in the guest's memory after 3 seconds 7.119 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:326 1.257
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:12.874
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.692
And I prepare Tails for memory erasure tests 0.427
When I plug and mount a 128 MiB USB drive with a vfat filesystem 11.925
Then I find very few patterns in the guest's memory 8.957 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.852
Then patterns cover at least 75% of the test FS size in the guest's memory 12.131 
Pattern coverage: 87.758% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.344
Then I find very few patterns in the guest's memory after 3 seconds 6.879 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
# read cache
When I mount the USB drive again 0.970
And I read the content of the test FS 4.943
Then patterns cover at least 99% of the test FS size in the guest's memory 4.240 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.908
Then I find very few patterns in the guest's memory after 3 seconds 6.600 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:326 0.867
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:19.791
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.309
And I prepare Tails for memory erasure tests 0.518
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.000
Then I find very few patterns in the guest's memory 3.676 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.944
Then patterns cover at least 99% of the test FS size in the guest's memory 3.399 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.099
Then I find very few patterns in the guest's memory after 3 seconds 5.657 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# read cache
When I mount the USB drive again 4.554
And I read the content of the test FS 2.074
Then patterns cover at least 99% of the test FS size in the guest's memory 3.644 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.833
Then I find very few patterns in the guest's memory after 3 seconds 6.078 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:326 0.801
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.469
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.334
And I prepare Tails for memory erasure tests 0.442
When I fill a 128 MiB file with a known pattern on the root filesystem 17.567
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.807
Then patterns cover at least 128 MiB in the guest's memory 3.207 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.092 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:326 3.784
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:51.369
Before features/support/hooks.rb:269 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:3.557
And I prepare Tails for memory erasure tests 1.040
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.502
When I trigger shutdown 0.020
Then I find very few patterns in the guest's memory after 20 seconds 21.249 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
After features/support/hooks.rb:326 3.556
After features/support/hooks.rb:100 0.013