Project Number Date
test_Tails_ISO_stable 5538 30 Mar 2025, 12:39

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 11:4.320 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
24.956
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 8.088
And I prepare Tails for memory erasure tests 0.412
When I start a process allocating 128 MiB of memory with a known pattern 3.594
Then patterns cover at least 128 MiB in the guest's memory 3.602 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.381
Then I find very few patterns in the guest's memory after 5 seconds 8.876 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:330 0.740
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.671
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 9.207
And I prepare Tails for memory erasure tests 0.460
And I find very few patterns in the guest's memory 3.663 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.509
Then patterns cover at least 99% of the test FS size in the guest's memory 4.063 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.446
Then I find very few patterns in the guest's memory after 3 seconds 6.320 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:330 0.664
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.540
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 8.534
And I prepare Tails for memory erasure tests 0.433
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.046
Then I find very few patterns in the guest's memory 3.525 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 6.608
Then patterns cover at least 75% of the test FS size in the guest's memory 3.769 
Pattern coverage: 86.882% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.170
Then I find very few patterns in the guest's memory after 3 seconds 6.977 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
# read cache
When I mount the USB drive again 0.329
And I read the content of the test FS 0.562
Then patterns cover at least 99% of the test FS size in the guest's memory 3.426 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.872
Then I find very few patterns in the guest's memory after 3 seconds 6.282 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:330 0.794
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:18.145
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 7.951
And I prepare Tails for memory erasure tests 0.362
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.866
Then I find very few patterns in the guest's memory 3.167 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.742
Then patterns cover at least 99% of the test FS size in the guest's memory 4.465 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.899
Then I find very few patterns in the guest's memory after 3 seconds 5.800 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# read cache
When I mount the USB drive again 5.003
And I read the content of the test FS 0.654
Then patterns cover at least 99% of the test FS size in the guest's memory 5.536 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.956
Then I find very few patterns in the guest's memory after 3 seconds 7.739 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:330 1.259
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:4.177
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 20.792
And I prepare Tails for memory erasure tests 0.374
When I fill a 128 MiB file with a known pattern on the root filesystem 17.330
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.269
Then patterns cover at least 128 MiB in the guest's memory 2.652 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.745 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 3.458
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
6:57.828
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 6:12.788
And I prepare Tails for memory erasure tests 0.898
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.904
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.224 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:330 3.484
After features/support/hooks.rb:100 0.011