Project Number Date
test_Tails_ISO_devel 3829 22 May 2025, 09:46

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 11:53.205 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
25.937
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.006
Given I have started Tails from DVD without network and logged in 8.946
And I prepare Tails for memory erasure tests 0.441
When I start a process allocating 128 MiB of memory with a known pattern 2.340
Then patterns cover at least 128 MiB in the guest's memory 4.339 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.175
Then I find very few patterns in the guest's memory after 5 seconds 8.694 
Pattern coverage: 0.000% (0 MiB out of 861 MiB reference memory)
After features/support/hooks.rb:330 1.074
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.850
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 8.875
And I prepare Tails for memory erasure tests 0.449
And I find very few patterns in the guest's memory 3.727 
Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.364
Then patterns cover at least 99% of the test FS size in the guest's memory 5.196 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.662
Then I find very few patterns in the guest's memory after 3 seconds 6.573 
Pattern coverage: 0.000% (0 MiB out of 867 MiB reference memory)
After features/support/hooks.rb:330 0.777
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.309
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 8.226
And I prepare Tails for memory erasure tests 0.424
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.977
Then I find very few patterns in the guest's memory 4.832 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.760
Then patterns cover at least 75% of the test FS size in the guest's memory 3.704 
Pattern coverage: 85.994% (109 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.738
Then I find very few patterns in the guest's memory after 3 seconds 5.885 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# read cache
When I mount the USB drive again 0.244
And I read the content of the test FS 0.725
Then patterns cover at least 99% of the test FS size in the guest's memory 3.906 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.433
Then I find very few patterns in the guest's memory after 3 seconds 6.450 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:330 0.981
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:17.048
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 9.669
And I prepare Tails for memory erasure tests 0.407
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.865
Then I find very few patterns in the guest's memory 2.502 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.555
Then patterns cover at least 99% of the test FS size in the guest's memory 3.315 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.984
Then I find very few patterns in the guest's memory after 3 seconds 5.970 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# read cache
When I mount the USB drive again 3.921
And I read the content of the test FS 0.593
Then patterns cover at least 99% of the test FS size in the guest's memory 3.466 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.792
Then I find very few patterns in the guest's memory after 3 seconds 7.003 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:330 1.399
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.389
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 8.224
And I prepare Tails for memory erasure tests 0.444
When I fill a 128 MiB file with a known pattern on the root filesystem 15.309
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.318
Then patterns cover at least 128 MiB in the guest's memory 3.196 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 20.880 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:330 3.581
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:2.669
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:20.070
And I prepare Tails for memory erasure tests 0.801
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.593
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.192 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:330 3.524
After features/support/hooks.rb:100 0.012