Project Number Date
test_Tails_ISO_stable 5423 28 Jan 2025, 00:22

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 11:5.105 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
23.775
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.624
And I prepare Tails for memory erasure tests 0.543
When I start a process allocating 128 MiB of memory with a known pattern 1.220
Then patterns cover at least 128 MiB in the guest's memory 3.531 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.153
Then I find very few patterns in the guest's memory after 5 seconds 8.701 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:326 0.690
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.356
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.109
And I prepare Tails for memory erasure tests 0.420
And I find very few patterns in the guest's memory 3.423 
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 1.682
Then patterns cover at least 99% of the test FS size in the guest's memory 4.386 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.933
Then I find very few patterns in the guest's memory after 3 seconds 6.400 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:326 0.769
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
46.717
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.042
And I prepare Tails for memory erasure tests 0.436
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.070
Then I find very few patterns in the guest's memory 3.207 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.480
Then patterns cover at least 75% of the test FS size in the guest's memory 3.623 
Pattern coverage: 86.677% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.674
Then I find very few patterns in the guest's memory after 3 seconds 6.291 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# read cache
When I mount the USB drive again 0.264
And I read the content of the test FS 0.565
Then patterns cover at least 99% of the test FS size in the guest's memory 4.255 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.595
Then I find very few patterns in the guest's memory after 3 seconds 6.209 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:326 0.782
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:15.316
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.103
And I prepare Tails for memory erasure tests 0.414
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.385
Then I find very few patterns in the guest's memory 2.377 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.952
Then patterns cover at least 99% of the test FS size in the guest's memory 2.990 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.084
Then I find very few patterns in the guest's memory after 3 seconds 5.706 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# read cache
When I mount the USB drive again 5.424
And I read the content of the test FS 0.443
Then patterns cover at least 99% of the test FS size in the guest's memory 2.853 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.844
Then I find very few patterns in the guest's memory after 3 seconds 5.734 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:326 1.033
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.768
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.156
And I prepare Tails for memory erasure tests 0.440
When I fill a 128 MiB file with a known pattern on the root filesystem 14.728
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.908
Then patterns cover at least 128 MiB in the guest's memory 2.730 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.791 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 3.478
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:25.170
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 6:38.725
And I prepare Tails for memory erasure tests 1.197
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.076
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.156 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:326 3.518
After features/support/hooks.rb:100 0.012