Project Number Date
test_Tails_ISO_20524-warn-danger-unplug-usb-stick 28 11 Nov 2024, 07:01

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 11:12.392 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
20.543
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.457
And I prepare Tails for memory erasure tests 0.418
When I start a process allocating 128 MiB of memory with a known pattern 2.397
Then patterns cover at least 128 MiB in the guest's memory 3.372 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.276
Then I find very few patterns in the guest's memory after 3 seconds 5.620 
Pattern coverage: 0.000% (0 MiB out of 679 MiB reference memory)
After features/support/hooks.rb:326 0.831
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
23.401
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.840
And I prepare Tails for memory erasure tests 0.712
And I find very few patterns in the guest's memory 2.962 
Pattern coverage: 0.000% (0 MiB out of 682 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.320
Then patterns cover at least 99% of the test FS size in the guest's memory 3.127 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.357
Then I find very few patterns in the guest's memory after 3 seconds 6.079 
Pattern coverage: 0.000% (0 MiB out of 682 MiB reference memory)
After features/support/hooks.rb:326 0.745
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
45.741
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.150
And I prepare Tails for memory erasure tests 0.418
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.162
Then I find very few patterns in the guest's memory 3.401 
Pattern coverage: 0.000% (0 MiB out of 691 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.339
Then patterns cover at least 75% of the test FS size in the guest's memory 3.845 
Pattern coverage: 80.242% (102 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.214
Then I find very few patterns in the guest's memory after 3 seconds 5.826 
Pattern coverage: 0.000% (0 MiB out of 691 MiB reference memory)
# read cache
When I mount the USB drive again 0.243
And I read the content of the test FS 0.589
Then patterns cover at least 99% of the test FS size in the guest's memory 3.161 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.576
Then I find very few patterns in the guest's memory after 3 seconds 5.812 
Pattern coverage: 0.000% (0 MiB out of 691 MiB reference memory)
After features/support/hooks.rb:326 0.866
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:19.356
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.244
And I prepare Tails for memory erasure tests 0.450
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 40.478
Then I find very few patterns in the guest's memory 2.694 
Pattern coverage: 0.000% (0 MiB out of 690 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.887
Then patterns cover at least 99% of the test FS size in the guest's memory 2.864 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.744
Then I find very few patterns in the guest's memory after 3 seconds 5.504 
Pattern coverage: 0.000% (0 MiB out of 690 MiB reference memory)
# read cache
When I mount the USB drive again 6.008
And I read the content of the test FS 0.567
Then patterns cover at least 99% of the test FS size in the guest's memory 2.952 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.681
Then I find very few patterns in the guest's memory after 3 seconds 5.279 
Pattern coverage: 0.000% (0 MiB out of 690 MiB reference memory)
After features/support/hooks.rb:326 1.297
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.843
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.094
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 14.642
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.646
Then patterns cover at least 128 MiB in the guest's memory 3.127 
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 20.878 
Pattern coverage: 0.000% (0 MiB out of 689 MiB reference memory)
After features/support/hooks.rb:326 3.565
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:34.506
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 6:49.888
And I prepare Tails for memory erasure tests 0.420
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.817
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.368 
Pattern coverage: 0.000% (0 MiB out of 738 MiB reference memory)
After features/support/hooks.rb:326 3.470
After features/support/hooks.rb:100 0.011