Project Number Date
test_Tails_ISO_devel 3714 02 Mar 2025, 12:43

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 11:54.153 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
25.971
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 8.630
And I prepare Tails for memory erasure tests 0.452
When I start a process allocating 128 MiB of memory with a known pattern 2.755
Then patterns cover at least 128 MiB in the guest's memory 3.908 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.664
Then I find very few patterns in the guest's memory after 5 seconds 8.561 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:330 1.062
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
29.247
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 9.388
And I prepare Tails for memory erasure tests 1.163
And I find very few patterns in the guest's memory 4.077 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.262
Then patterns cover at least 99% of the test FS size in the guest's memory 3.768 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.333
Then I find very few patterns in the guest's memory after 3 seconds 7.254 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 1.046
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.614
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 8.393
And I prepare Tails for memory erasure tests 0.404
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.050
Then I find very few patterns in the guest's memory 3.803 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.095
Then patterns cover at least 75% of the test FS size in the guest's memory 4.115 
Pattern coverage: 92.160% (117 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.717
Then I find very few patterns in the guest's memory after 3 seconds 6.645 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# read cache
When I mount the USB drive again 0.378
And I read the content of the test FS 0.744
Then patterns cover at least 99% of the test FS size in the guest's memory 4.209 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.577
Then I find very few patterns in the guest's memory after 3 seconds 7.479 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:330 1.504
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.226
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 8.520
And I prepare Tails for memory erasure tests 0.446
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.089
Then I find very few patterns in the guest's memory 3.218 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.061
Then patterns cover at least 99% of the test FS size in the guest's memory 3.406 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.960
Then I find very few patterns in the guest's memory after 3 seconds 6.025 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# read cache
When I mount the USB drive again 5.782
And I read the content of the test FS 0.568
Then patterns cover at least 99% of the test FS size in the guest's memory 3.493 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.644
Then I find very few patterns in the guest's memory after 3 seconds 6.007 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:330 3.835
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.326
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 8.154
And I prepare Tails for memory erasure tests 0.413
When I fill a 128 MiB file with a known pattern on the root filesystem 14.397
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.649
Then patterns cover at least 128 MiB in the guest's memory 3.713 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 20.981 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 3.596
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:59.766
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 7:13.278
And I prepare Tails for memory erasure tests 0.416
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.732
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.321 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:330 3.529
After features/support/hooks.rb:100 0.012