Project Number Date
test_Tails_ISO_devel 3768 06 Apr 2025, 13:04

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 11:18.071 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
25.829
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 8.670
And I prepare Tails for memory erasure tests 0.630
When I start a process allocating 128 MiB of memory with a known pattern 2.400
Then patterns cover at least 128 MiB in the guest's memory 4.617 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.482
Then I find very few patterns in the guest's memory after 5 seconds 9.028 
Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)
After features/support/hooks.rb:330 0.763
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.130
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 8.775
And I prepare Tails for memory erasure tests 0.551
And I find very few patterns in the guest's memory 3.623 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.819
Then patterns cover at least 99% of the test FS size in the guest's memory 4.076 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.482
Then I find very few patterns in the guest's memory after 3 seconds 6.802 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:330 0.831
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.234
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 8.412
And I prepare Tails for memory erasure tests 0.569
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.271
Then I find very few patterns in the guest's memory 3.964 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.471
Then patterns cover at least 75% of the test FS size in the guest's memory 4.505 
Pattern coverage: 87.044% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.427
Then I find very few patterns in the guest's memory after 3 seconds 7.032 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
# read cache
When I mount the USB drive again 0.184
And I read the content of the test FS 0.540
Then patterns cover at least 99% of the test FS size in the guest's memory 3.840 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.374
Then I find very few patterns in the guest's memory after 3 seconds 6.638 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
After features/support/hooks.rb:330 0.849
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:15.739
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.005
Given I have started Tails from DVD without network and logged in 8.596
And I prepare Tails for memory erasure tests 0.592
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.163
Then I find very few patterns in the guest's memory 2.709 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.745
Then patterns cover at least 99% of the test FS size in the guest's memory 2.960 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.671
Then I find very few patterns in the guest's memory after 3 seconds 7.653 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# read cache
When I mount the USB drive again 5.483
And I read the content of the test FS 0.580
Then patterns cover at least 99% of the test FS size in the guest's memory 3.491 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.554
Then I find very few patterns in the guest's memory after 3 seconds 6.535 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:330 1.134
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.848
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 8.601
And I prepare Tails for memory erasure tests 0.487
When I fill a 128 MiB file with a known pattern on the root filesystem 14.536
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.996
Then patterns cover at least 128 MiB in the guest's memory 3.212 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.998 
Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)
After features/support/hooks.rb:330 3.526
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:30.289
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 6:40.356
And I prepare Tails for memory erasure tests 0.430
When I fill a 128 MiB file with a known pattern on the persistent filesystem 28.116
When I trigger shutdown 0.022
Then I find very few patterns in the guest's memory after 20 seconds 21.363 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:330 3.486
After features/support/hooks.rb:100 0.011