Project Number Date
test_Tails_ISO_stable 5569 11 Apr 2025, 16:02

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 12:27.876 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
25.897
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.963
And I prepare Tails for memory erasure tests 0.620
When I start a process allocating 128 MiB of memory with a known pattern 2.389
Then patterns cover at least 128 MiB in the guest's memory 4.071 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.101
Then I find very few patterns in the guest's memory after 5 seconds 8.751 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:330 0.751
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.958
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 8.138
And I prepare Tails for memory erasure tests 0.534
And I find very few patterns in the guest's memory 3.751 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.854
Then patterns cover at least 99% of the test FS size in the guest's memory 4.291 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.734
Then I find very few patterns in the guest's memory after 3 seconds 6.653 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 1.024
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.238
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.766
And I prepare Tails for memory erasure tests 0.735
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.576
Then I find very few patterns in the guest's memory 3.929 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.865
Then patterns cover at least 75% of the test FS size in the guest's memory 4.699 
Pattern coverage: 91.024% (116 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.342
Then I find very few patterns in the guest's memory after 3 seconds 7.027 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# read cache
When I mount the USB drive again 0.289
And I read the content of the test FS 0.801
Then patterns cover at least 99% of the test FS size in the guest's memory 4.050 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.545
Then I find very few patterns in the guest's memory after 3 seconds 6.608 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:330 1.180
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:19.178
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 9.820
And I prepare Tails for memory erasure tests 0.637
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.991
Then I find very few patterns in the guest's memory 3.312 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.096
Then patterns cover at least 99% of the test FS size in the guest's memory 3.782 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.873
Then I find very few patterns in the guest's memory after 3 seconds 6.517 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# read cache
When I mount the USB drive again 6.165
And I read the content of the test FS 0.469
Then patterns cover at least 99% of the test FS size in the guest's memory 3.638 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.775
Then I find very few patterns in the guest's memory after 3 seconds 7.096 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 1.641
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.945
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.004
Given I have started Tails from DVD without network and logged in 8.573
And I prepare Tails for memory erasure tests 0.611
When I fill a 128 MiB file with a known pattern on the root filesystem 18.770
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.727
Then patterns cover at least 128 MiB in the guest's memory 4.362 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.033
Then I find very few patterns in the guest's memory after 20 seconds 20.866 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:330 3.523
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:29.658
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:44.994
And I prepare Tails for memory erasure tests 0.447
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.651
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.550 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 3.858
After features/support/hooks.rb:100 0.064