Project Number Date
test_Tails_ISO_stable 5430 29 Jan 2025, 13:05

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 11:45.555 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
21.848
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.253
And I prepare Tails for memory erasure tests 0.417
When I start a process allocating 128 MiB of memory with a known pattern 1.247
Then patterns cover at least 128 MiB in the guest's memory 3.491 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.232
Then I find very few patterns in the guest's memory after 5 seconds 8.205 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:326 0.816
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.626
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.054
And I prepare Tails for memory erasure tests 0.377
And I find very few patterns in the guest's memory 3.027 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.796
Then patterns cover at least 99% of the test FS size in the guest's memory 4.092 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.677
Then I find very few patterns in the guest's memory after 3 seconds 6.599 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:326 0.812
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.076
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.221
And I prepare Tails for memory erasure tests 0.465
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.095
Then I find very few patterns in the guest's memory 3.732 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.229
Then patterns cover at least 75% of the test FS size in the guest's memory 4.845 
Pattern coverage: 84.871% (108 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.499
Then I find very few patterns in the guest's memory after 3 seconds 6.694 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# read cache
When I mount the USB drive again 0.238
And I read the content of the test FS 0.803
Then patterns cover at least 99% of the test FS size in the guest's memory 4.137 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.274
Then I find very few patterns in the guest's memory after 3 seconds 6.839 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:326 0.886
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:19.583
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.639
And I prepare Tails for memory erasure tests 0.466
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.181
Then I find very few patterns in the guest's memory 3.097 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.666
Then patterns cover at least 99% of the test FS size in the guest's memory 3.599 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.708
Then I find very few patterns in the guest's memory after 3 seconds 6.087 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# read cache
When I mount the USB drive again 5.404
And I read the content of the test FS 0.484
Then patterns cover at least 99% of the test FS size in the guest's memory 3.560 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.704
Then I find very few patterns in the guest's memory after 3 seconds 5.982 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:326 2.073
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.521
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.132
And I prepare Tails for memory erasure tests 0.503
When I fill a 128 MiB file with a known pattern on the root filesystem 18.677
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.634
Then patterns cover at least 128 MiB in the guest's memory 2.683 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.126
Then I find very few patterns in the guest's memory after 20 seconds 20.762 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:326 3.577
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:50.898
Before features/support/hooks.rb:269 0.006
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:6.301
And I prepare Tails for memory erasure tests 0.681
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.734
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.169 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:326 3.538
After features/support/hooks.rb:100 0.013