Project Number Date
test_Tails_ISO_stable 4814 28 Apr 2024, 12:25

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 11:21.636 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
21.459
Before features/support/hooks.rb:259 0.003
Given I have started Tails from DVD without network and logged in 9.332
And I prepare Tails for memory erasure tests 0.605
When I start a process allocating 128 MiB of memory with a known pattern 2.280
Then patterns cover at least 128 MiB in the guest's memory 3.705 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.408
Then I find very few patterns in the guest's memory 4.126 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:305 1.167
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
31.279
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 9.106
And I prepare Tails for memory erasure tests 0.436
And I find very few patterns in the guest's memory 4.734 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 4.765
Then patterns cover at least 99% of the test FS size in the guest's memory 5.458 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.039
Then I find very few patterns in the guest's memory 5.738 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:305 0.885
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
50.995
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.737
And I prepare Tails for memory erasure tests 0.490
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.479
Then I find very few patterns in the guest's memory 4.672 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.991
Then patterns cover at least 86% of the test FS size in the guest's memory 4.180 
Pattern coverage: 90.476% (115 MiB out of 127 MiB reference memory)
When I umount the USB drive 4.054
Then I find very few patterns in the guest's memory 4.720 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# read cache
When I mount the USB drive again 0.266
And I read the content of the test FS 0.699
Then patterns cover at least 99% of the test FS size in the guest's memory 4.135 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.730
Then I find very few patterns in the guest's memory 4.834 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:305 1.119
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
1:17.008
Before features/support/hooks.rb:259 0.003
Given I have started Tails from DVD without network and logged in 8.211
And I prepare Tails for memory erasure tests 0.626
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.880
Then I find very few patterns in the guest's memory 3.820 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.210
Then patterns cover at least 99% of the test FS size in the guest's memory 3.215 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 3.755
Then I find very few patterns in the guest's memory 4.187 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# read cache
When I mount the USB drive again 5.972
And I read the content of the test FS 0.554
Then patterns cover at least 99% of the test FS size in the guest's memory 3.160 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.892
Then I find very few patterns in the guest's memory 3.520 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:305 1.788
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
48.951
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.660
And I prepare Tails for memory erasure tests 0.491
When I fill a 128 MiB file with a known pattern on the root filesystem 13.571
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.898
Then patterns cover at least 128 MiB in the guest's memory 2.605 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
And I wait 20 seconds 20.000 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.710 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:305 3.486
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
7:31.943
Before features/support/hooks.rb:259 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:44.738
And I prepare Tails for memory erasure tests 0.420
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.540
When I trigger shutdown 0.011
And I wait 20 seconds 20.016 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.214 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:305 3.559
After features/support/hooks.rb:89 0.011