Project Number Date
test_Tails_ISO_devel 3743 18 Mar 2025, 13:24

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 11:9.256 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
26.145
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 8.345
And I prepare Tails for memory erasure tests 0.442
When I start a process allocating 128 MiB of memory with a known pattern 2.232
Then patterns cover at least 128 MiB in the guest's memory 5.098 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 2.026
Then I find very few patterns in the guest's memory after 5 seconds 8.000 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:330 1.035
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
23.396
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 8.007
And I prepare Tails for memory erasure tests 0.404
And I find very few patterns in the guest's memory 2.985 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.164
Then patterns cover at least 99% of the test FS size in the guest's memory 3.070 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.859
Then I find very few patterns in the guest's memory after 3 seconds 5.905 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:330 0.804
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.882
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 8.224
And I prepare Tails for memory erasure tests 0.448
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.376
Then I find very few patterns in the guest's memory 3.823 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 7.034
Then patterns cover at least 75% of the test FS size in the guest's memory 4.459 
Pattern coverage: 90.403% (115 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.859
Then I find very few patterns in the guest's memory after 3 seconds 7.611 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# read cache
When I mount the USB drive again 0.981
And I read the content of the test FS 0.876
Then patterns cover at least 99% of the test FS size in the guest's memory 3.897 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.572
Then I find very few patterns in the guest's memory after 3 seconds 5.716 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:330 1.268
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:19.188
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 8.044
And I prepare Tails for memory erasure tests 0.438
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.045
Then I find very few patterns in the guest's memory 2.548 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.003
Then patterns cover at least 99% of the test FS size in the guest's memory 3.362 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.953
Then I find very few patterns in the guest's memory after 3 seconds 5.927 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# read cache
When I mount the USB drive again 6.516
And I read the content of the test FS 0.470
Then patterns cover at least 99% of the test FS size in the guest's memory 3.770 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.688
Then I find very few patterns in the guest's memory after 3 seconds 5.418 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 1.791
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.361
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 8.303
And I prepare Tails for memory erasure tests 0.439
When I fill a 128 MiB file with a known pattern on the root filesystem 16.463
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.878
Then patterns cover at least 128 MiB in the guest's memory 4.560 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.701 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:330 3.478
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:12.281
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 6:28.286
And I prepare Tails for memory erasure tests 0.437
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.345
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.197 
Pattern coverage: 0.000% (0 MiB out of 914 MiB reference memory)
After features/support/hooks.rb:330 3.526
After features/support/hooks.rb:100 0.012