Project Number Date
test_Tails_ISO_devel 3546 12 Oct 2024, 13:00

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 12:13.780 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
23.624
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.045
And I prepare Tails for memory erasure tests 0.446
When I start a process allocating 128 MiB of memory with a known pattern 2.479
Then patterns cover at least 128 MiB in the guest's memory 3.906 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 2.384
Then I find very few patterns in the guest's memory after 3 seconds 6.362 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:326 1.118
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
38.118
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 21.290
And I prepare Tails for memory erasure tests 0.404
And I find very few patterns in the guest's memory 2.768 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.896
Then patterns cover at least 99% of the test FS size in the guest's memory 3.325 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.197
Then I find very few patterns in the guest's memory after 3 seconds 6.237 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:326 0.845
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.699
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.627
And I prepare Tails for memory erasure tests 0.414
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.110
Then I find very few patterns in the guest's memory 3.393 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.579
Then patterns cover at least 75% of the test FS size in the guest's memory 4.456 
Pattern coverage: 91.137% (116 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.998
Then I find very few patterns in the guest's memory after 3 seconds 5.919 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# read cache
When I mount the USB drive again 0.431
And I read the content of the test FS 0.582
Then patterns cover at least 99% of the test FS size in the guest's memory 3.231 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.625
Then I find very few patterns in the guest's memory after 3 seconds 6.328 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:326 0.833
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:17.984
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.115
And I prepare Tails for memory erasure tests 0.422
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.910
Then I find very few patterns in the guest's memory 2.748 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.483
Then patterns cover at least 99% of the test FS size in the guest's memory 3.170 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.076
Then I find very few patterns in the guest's memory after 3 seconds 5.687 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# read cache
When I mount the USB drive again 5.867
And I read the content of the test FS 0.514
Then patterns cover at least 99% of the test FS size in the guest's memory 3.333 
Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.654
Then I find very few patterns in the guest's memory after 3 seconds 5.999 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:326 0.921
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.302
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.481
And I prepare Tails for memory erasure tests 0.419
When I fill a 128 MiB file with a known pattern on the root filesystem 17.189
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.208
Then patterns cover at least 128 MiB in the guest's memory 3.147 
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 20.841 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 3.572
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:11.051
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 7:27.328
And I prepare Tails for memory erasure tests 0.452
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.904
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.351 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:326 3.534
After features/support/hooks.rb:100 0.012