Project Number Date
test_Tails_ISO_20524-warn-danger-unplug-usb-stick 12 31 Oct 2024, 07:06

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 11:3.059 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
19.438
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.133
And I prepare Tails for memory erasure tests 0.679
When I start a process allocating 128 MiB of memory with a known pattern 1.291
Then patterns cover at least 128 MiB in the guest's memory 3.485 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.270
Then I find very few patterns in the guest's memory after 3 seconds 5.578 
Pattern coverage: 0.000% (0 MiB out of 693 MiB reference memory)
After features/support/hooks.rb:326 0.739
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
22.525
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.034
And I prepare Tails for memory erasure tests 0.538
And I find very few patterns in the guest's memory 3.003 
Pattern coverage: 0.000% (0 MiB out of 686 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.330
Then patterns cover at least 99% of the test FS size in the guest's memory 3.403 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.298
Then I find very few patterns in the guest's memory after 3 seconds 5.917 
Pattern coverage: 0.000% (0 MiB out of 686 MiB reference memory)
After features/support/hooks.rb:326 0.762
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
44.077
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.916
And I prepare Tails for memory erasure tests 0.482
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.079
Then I find very few patterns in the guest's memory 3.011 
Pattern coverage: 0.000% (0 MiB out of 687 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.306
Then patterns cover at least 75% of the test FS size in the guest's memory 3.233 
Pattern coverage: 81.892% (104 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.085
Then I find very few patterns in the guest's memory after 3 seconds 5.782 
Pattern coverage: 0.000% (0 MiB out of 687 MiB reference memory)
# read cache
When I mount the USB drive again 0.251
And I read the content of the test FS 0.483
Then patterns cover at least 99% of the test FS size in the guest's memory 3.238 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.408
Then I find very few patterns in the guest's memory after 3 seconds 5.796 
Pattern coverage: 0.001% (0 MiB out of 687 MiB reference memory)
After features/support/hooks.rb:326 0.865
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:11.664
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.946
And I prepare Tails for memory erasure tests 0.547
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.588
Then I find very few patterns in the guest's memory 2.409 
Pattern coverage: 0.000% (0 MiB out of 688 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.491
Then patterns cover at least 99% of the test FS size in the guest's memory 2.808 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.714
Then I find very few patterns in the guest's memory after 3 seconds 5.417 
Pattern coverage: 0.000% (0 MiB out of 688 MiB reference memory)
# read cache
When I mount the USB drive again 4.533
And I read the content of the test FS 0.393
Then patterns cover at least 99% of the test FS size in the guest's memory 2.709 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.713
Then I find very few patterns in the guest's memory after 3 seconds 5.390 
Pattern coverage: 0.000% (0 MiB out of 688 MiB reference memory)
After features/support/hooks.rb:326 0.982
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.124
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.019
And I prepare Tails for memory erasure tests 0.492
When I fill a 128 MiB file with a known pattern on the root filesystem 14.670
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.410
Then patterns cover at least 128 MiB in the guest's memory 2.717 
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 20.802 
Pattern coverage: 0.000% (0 MiB out of 686 MiB reference memory)
After features/support/hooks.rb:326 3.536
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:37.228
Before features/support/hooks.rb:269 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:50.346
And I prepare Tails for memory erasure tests 0.434
When I fill a 128 MiB file with a known pattern on the persistent filesystem 25.203
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.231 
Pattern coverage: 0.000% (0 MiB out of 758 MiB reference memory)
After features/support/hooks.rb:326 3.506
After features/support/hooks.rb:100 0.013