Project Number Date
test_Tails_ISO_stable 4594 28 Dec 2023, 12:17

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 53 0 0 0 0 53 6 0 6 13:54.545 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
16.787
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.858
And I prepare Tails for memory erasure tests 0.467
When I start a process allocating 128 MiB of memory with a known pattern 1.241
Then patterns cover at least 128 MiB in the guest's memory 3.291 
Pattern coverage: 100.100% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.271
Then I find very few patterns in the guest's memory 3.656 
Pattern coverage: 0.000% (0 MiB out of 1202 MiB reference memory)
After features/support/hooks.rb:291 0.740
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
58.505
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 7.675
And I prepare Tails for memory erasure tests 0.536
And I find very few patterns in the guest's memory 3.800 
Pattern coverage: 0.000% (0 MiB out of 1208 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 39.217
Then patterns cover at least 99% of the test FS size in the guest's memory 3.172 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.333
Then I find very few patterns in the guest's memory 3.768 
Pattern coverage: 0.000% (0 MiB out of 1208 MiB reference memory)
After features/support/hooks.rb:291 0.683
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
3:13.125
Before features/support/hooks.rb:245 0.003
Given I have started Tails from DVD without network and logged in 7.876
And I prepare Tails for memory erasure tests 0.613
When I plug and mount a 128 MiB USB drive with a vfat filesystem 8.182
Then I find very few patterns in the guest's memory 3.890 
Pattern coverage: 0.000% (0 MiB out of 1209 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2:36.936
Then patterns cover at least 86% of the test FS size in the guest's memory 3.266 
Pattern coverage: 95.350% (118 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.739
Then I find very few patterns in the guest's memory 3.779 
Pattern coverage: 0.000% (0 MiB out of 1209 MiB reference memory)
# read cache
When I mount the USB drive again 0.320
And I read the content of the test FS 0.651
Then patterns cover at least 99% of the test FS size in the guest's memory 2.816 
Pattern coverage: 102.400% (127 MiB out of 124 MiB reference memory)
When I umount the USB drive 0.299
Then I find very few patterns in the guest's memory 3.751 
Pattern coverage: 0.000% (0 MiB out of 1209 MiB reference memory)
After features/support/hooks.rb:291 0.771
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
2:32.137
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.002
And I prepare Tails for memory erasure tests 0.629
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 27.347
Then I find very few patterns in the guest's memory 3.722 
Pattern coverage: 0.000% (0 MiB out of 1208 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1:34.985
Then patterns cover at least 99% of the test FS size in the guest's memory 2.761 
Pattern coverage: 108.660% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.785
Then I find very few patterns in the guest's memory 3.308 
Pattern coverage: 0.000% (0 MiB out of 1208 MiB reference memory)
# read cache
When I mount the USB drive again 3.583
And I read the content of the test FS 0.406
Then patterns cover at least 99% of the test FS size in the guest's memory 2.649 
Pattern coverage: 108.663% (97 MiB out of 89 MiB reference memory)
When I umount the USB drive 0.485
Then I find very few patterns in the guest's memory 3.470 
Pattern coverage: 0.000% (0 MiB out of 1208 MiB reference memory)
After features/support/hooks.rb:291 1.892
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
47.601
Before features/support/hooks.rb:245 0.002
Given I have started Tails from DVD without network and logged in 8.174
And I prepare Tails for memory erasure tests 0.779
When I fill a 128 MiB file with a known pattern on the root filesystem 11.430
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.463
Then patterns cover at least 128 MiB in the guest's memory 3.284 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.539
And I wait 20 seconds 20.014 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.914 
Pattern coverage: 0.000% (0 MiB out of 1207 MiB reference memory)
After features/support/hooks.rb:291 3.492
After features/support/hooks.rb:75 0.000
Tags: @product @slow @not_release_blocker
6:6.387
Before features/support/hooks.rb:245 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 5:22.606
And I prepare Tails for memory erasure tests 0.459
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.930
When I trigger shutdown 0.217
And I wait 20 seconds 20.018 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.153 
Pattern coverage: 0.000% (0 MiB out of 1185 MiB reference memory)
After features/support/hooks.rb:291 3.518
After features/support/hooks.rb:75 0.011