Project Number Date
test_Tails_ISO_20524-warn-danger-unplug-usb-stick 4 27 Oct 2024, 06:36

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 10:41.881 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
20.031
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.920
And I prepare Tails for memory erasure tests 0.417
When I start a process allocating 128 MiB of memory with a known pattern 1.210
Then patterns cover at least 128 MiB in the guest's memory 3.489 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.018
Then I find very few patterns in the guest's memory after 3 seconds 5.975 
Pattern coverage: 0.000% (0 MiB out of 697 MiB reference memory)
After features/support/hooks.rb:326 0.721
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
21.891
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.929
And I prepare Tails for memory erasure tests 0.410
And I find very few patterns in the guest's memory 2.940 
Pattern coverage: 0.000% (0 MiB out of 691 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.284
Then patterns cover at least 99% of the test FS size in the guest's memory 3.293 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.238
Then I find very few patterns in the guest's memory after 3 seconds 5.794 
Pattern coverage: 0.000% (0 MiB out of 691 MiB reference memory)
After features/support/hooks.rb:326 0.696
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
59.799
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 20.499
And I prepare Tails for memory erasure tests 0.434
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.015
Then I find very few patterns in the guest's memory 3.094 
Pattern coverage: 0.000% (0 MiB out of 693 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.347
Then patterns cover at least 75% of the test FS size in the guest's memory 3.679 
Pattern coverage: 79.694% (101 MiB out of 127 MiB reference memory)
When I umount the USB drive 3.358
Then I find very few patterns in the guest's memory after 3 seconds 5.795 
Pattern coverage: 0.000% (0 MiB out of 693 MiB reference memory)
# read cache
When I mount the USB drive again 0.218
And I read the content of the test FS 0.595
Then patterns cover at least 99% of the test FS size in the guest's memory 2.962 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.345
Then I find very few patterns in the guest's memory after 3 seconds 6.451 
Pattern coverage: 0.000% (0 MiB out of 693 MiB reference memory)
After features/support/hooks.rb:326 0.840
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:10.329
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.901
And I prepare Tails for memory erasure tests 0.428
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.567
Then I find very few patterns in the guest's memory 2.640 
Pattern coverage: 0.000% (0 MiB out of 697 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.836
Then patterns cover at least 99% of the test FS size in the guest's memory 2.751 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.724
Then I find very few patterns in the guest's memory after 3 seconds 5.495 
Pattern coverage: 0.000% (0 MiB out of 697 MiB reference memory)
# read cache
When I mount the USB drive again 3.849
And I read the content of the test FS 0.519
Then patterns cover at least 99% of the test FS size in the guest's memory 2.678 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.619
Then I find very few patterns in the guest's memory after 3 seconds 5.315 
Pattern coverage: 0.000% (0 MiB out of 697 MiB reference memory)
After features/support/hooks.rb:326 1.254
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.512
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.002
And I prepare Tails for memory erasure tests 0.403
When I fill a 128 MiB file with a known pattern on the root filesystem 16.449
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.011
Then patterns cover at least 128 MiB in the guest's memory 2.910 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.723 
Pattern coverage: 0.000% (0 MiB out of 697 MiB reference memory)
After features/support/hooks.rb:326 3.598
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:0.316
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 6:17.508
And I prepare Tails for memory erasure tests 0.393
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.286
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.115 
Pattern coverage: 0.000% (0 MiB out of 752 MiB reference memory)
After features/support/hooks.rb:326 3.524
After features/support/hooks.rb:100 0.011