Project Number Date
test_Tails_ISO_20634-greeter-tps-update-failure-fix 2 25 Oct 2024, 14:49

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 12:8.768 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
22.942
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.568
And I prepare Tails for memory erasure tests 0.463
When I start a process allocating 128 MiB of memory with a known pattern 2.414
Then patterns cover at least 128 MiB in the guest's memory 4.469 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.330
Then I find very few patterns in the guest's memory after 3 seconds 6.696 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 0.803
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
29.747
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.339
And I prepare Tails for memory erasure tests 0.474
And I find very few patterns in the guest's memory 3.703 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 5.557
Then patterns cover at least 99% of the test FS size in the guest's memory 4.179 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.680
Then I find very few patterns in the guest's memory after 3 seconds 6.813 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:326 1.374
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
57.282
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.547
And I prepare Tails for memory erasure tests 0.643
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.442
Then I find very few patterns in the guest's memory 3.907 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.749
Then patterns cover at least 75% of the test FS size in the guest's memory 4.413 
Pattern coverage: 89.215% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.765
Then I find very few patterns in the guest's memory after 3 seconds 10.126 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# read cache
When I mount the USB drive again 0.648
And I read the content of the test FS 0.854
Then patterns cover at least 99% of the test FS size in the guest's memory 4.055 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.308
Then I find very few patterns in the guest's memory after 3 seconds 6.821 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 0.877
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:20.231
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.490
And I prepare Tails for memory erasure tests 0.460
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.537
Then I find very few patterns in the guest's memory 3.611 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.503
Then patterns cover at least 99% of the test FS size in the guest's memory 3.521 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.030
Then I find very few patterns in the guest's memory after 3 seconds 6.231 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# read cache
When I mount the USB drive again 7.152
And I read the content of the test FS 0.552
Then patterns cover at least 99% of the test FS size in the guest's memory 4.341 
Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 2.759
Then I find very few patterns in the guest's memory after 3 seconds 6.038 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:326 0.834
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.719
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.543
And I prepare Tails for memory erasure tests 0.475
When I fill a 128 MiB file with a known pattern on the root filesystem 16.695
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.181
Then patterns cover at least 128 MiB in the guest's memory 3.423 
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 21.378 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:326 3.619
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:5.843
Before features/support/hooks.rb:269 0.004
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:20.196
And I prepare Tails for memory erasure tests 0.468
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.793
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.367 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:326 3.539
After features/support/hooks.rb:100 0.029