Project Number Date
test_Tails_ISO_stable 5386 11 Jan 2025, 08:27

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 10:42.516 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
20.808
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.849
And I prepare Tails for memory erasure tests 0.447
When I start a process allocating 128 MiB of memory with a known pattern 2.364
Then patterns cover at least 128 MiB in the guest's memory 3.468 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.872
Then I find very few patterns in the guest's memory after 3 seconds 5.806 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:326 1.493
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.232
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.692
And I prepare Tails for memory erasure tests 0.438
And I find very few patterns in the guest's memory 2.863 
Pattern coverage: 0.000% (0 MiB out of 918 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.752
Then patterns cover at least 99% of the test FS size in the guest's memory 3.027 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.577
Then I find very few patterns in the guest's memory after 3 seconds 5.881 
Pattern coverage: 0.000% (0 MiB out of 918 MiB reference memory)
After features/support/hooks.rb:326 0.758
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
42.809
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.771
And I prepare Tails for memory erasure tests 0.378
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.993
Then I find very few patterns in the guest's memory 2.517 
Pattern coverage: 0.000% (0 MiB out of 914 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.230
Then patterns cover at least 75% of the test FS size in the guest's memory 2.777 
Pattern coverage: 86.417% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.091
Then I find very few patterns in the guest's memory after 3 seconds 5.743 
Pattern coverage: 0.000% (0 MiB out of 914 MiB reference memory)
# read cache
When I mount the USB drive again 0.299
And I read the content of the test FS 0.535
Then patterns cover at least 99% of the test FS size in the guest's memory 3.043 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.639
Then I find very few patterns in the guest's memory after 3 seconds 5.788 
Pattern coverage: 0.000% (0 MiB out of 914 MiB reference memory)
After features/support/hooks.rb:326 0.811
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:13.169
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.819
And I prepare Tails for memory erasure tests 0.381
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.497
Then I find very few patterns in the guest's memory 2.367 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.080
Then patterns cover at least 99% of the test FS size in the guest's memory 2.635 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.890
Then I find very few patterns in the guest's memory after 3 seconds 5.239 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
# read cache
When I mount the USB drive again 5.140
And I read the content of the test FS 0.377
Then patterns cover at least 99% of the test FS size in the guest's memory 2.674 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.749
Then I find very few patterns in the guest's memory after 3 seconds 5.315 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:326 0.903
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.130
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.777
And I prepare Tails for memory erasure tests 0.408
When I fill a 128 MiB file with a known pattern on the root filesystem 17.531
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.560
Then patterns cover at least 128 MiB in the guest's memory 2.162 
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 20.673 
Pattern coverage: 0.000% (0 MiB out of 916 MiB reference memory)
After features/support/hooks.rb:326 3.518
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:11.365
Before features/support/hooks.rb:269 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:23.921
And I prepare Tails for memory erasure tests 0.602
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.643
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.185 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
After features/support/hooks.rb:326 3.497
After features/support/hooks.rb:100 0.011