Project Number Date
test_Tails_ISO_feature-arti 88 11 Jun 2025, 16:32

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 10:54.887 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
23.555
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 7.889
And I prepare Tails for memory erasure tests 0.450
When I start a process allocating 128 MiB of memory with a known pattern 2.263
Then patterns cover at least 128 MiB in the guest's memory 3.622 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.302
Then I find very few patterns in the guest's memory after 5 seconds 9.027 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:330 0.716
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
23.828
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 8.091
And I prepare Tails for memory erasure tests 0.460
And I find very few patterns in the guest's memory 3.303 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.884
Then patterns cover at least 99% of the test FS size in the guest's memory 3.786 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.393
Then I find very few patterns in the guest's memory after 3 seconds 5.909 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:330 0.692
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
45.555
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 7.938
And I prepare Tails for memory erasure tests 0.413
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.942
Then I find very few patterns in the guest's memory 3.512 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.474
Then patterns cover at least 75% of the test FS size in the guest's memory 3.630 
Pattern coverage: 89.457% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.903
Then I find very few patterns in the guest's memory after 3 seconds 6.056 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
# read cache
When I mount the USB drive again 0.271
And I read the content of the test FS 0.448
Then patterns cover at least 99% of the test FS size in the guest's memory 3.450 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.408
Then I find very few patterns in the guest's memory after 3 seconds 6.104 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
After features/support/hooks.rb:330 0.706
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:15.111
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 7.959
And I prepare Tails for memory erasure tests 0.408
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.343
Then I find very few patterns in the guest's memory 2.736 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.534
Then patterns cover at least 99% of the test FS size in the guest's memory 2.844 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.680
Then I find very few patterns in the guest's memory after 3 seconds 5.890 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# read cache
When I mount the USB drive again 4.155
And I read the content of the test FS 0.450
Then patterns cover at least 99% of the test FS size in the guest's memory 2.871 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.536
Then I find very few patterns in the guest's memory after 3 seconds 5.700 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:330 1.249
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.808
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 7.872
And I prepare Tails for memory erasure tests 0.450
When I fill a 128 MiB file with a known pattern on the root filesystem 15.438
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.150
Then patterns cover at least 128 MiB in the guest's memory 2.677 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.039
Then I find very few patterns in the guest's memory after 20 seconds 21.179 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:330 3.616
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:17.027
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 6:32.311
And I prepare Tails for memory erasure tests 0.406
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.064
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.232 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:330 3.479
After features/support/hooks.rb:100 0.013