Project Number Date
test_Tails_ISO_20524-warn-danger-unplug-usb-stick 31 15 Nov 2024, 07:14

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 10:47.951 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
22.871
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 10.810
And I prepare Tails for memory erasure tests 0.460
When I start a process allocating 128 MiB of memory with a known pattern 1.260
Then patterns cover at least 128 MiB in the guest's memory 3.362 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.221
Then I find very few patterns in the guest's memory after 3 seconds 5.756 
Pattern coverage: 0.000% (0 MiB out of 674 MiB reference memory)
After features/support/hooks.rb:326 0.723
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
22.092
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.950
And I prepare Tails for memory erasure tests 0.496
And I find very few patterns in the guest's memory 2.955 
Pattern coverage: 0.000% (0 MiB out of 695 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.502
Then patterns cover at least 99% of the test FS size in the guest's memory 3.116 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.415
Then I find very few patterns in the guest's memory after 3 seconds 5.656 
Pattern coverage: 0.000% (0 MiB out of 695 MiB reference memory)
After features/support/hooks.rb:326 0.643
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
57.467
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 20.790
And I prepare Tails for memory erasure tests 0.449
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.948
Then I find very few patterns in the guest's memory 3.052 
Pattern coverage: 0.000% (0 MiB out of 688 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.205
Then patterns cover at least 75% of the test FS size in the guest's memory 3.256 
Pattern coverage: 81.834% (104 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.189
Then I find very few patterns in the guest's memory after 3 seconds 6.263 
Pattern coverage: 0.000% (0 MiB out of 688 MiB reference memory)
# read cache
When I mount the USB drive again 0.302
And I read the content of the test FS 0.511
Then patterns cover at least 99% of the test FS size in the guest's memory 3.083 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.326
Then I find very few patterns in the guest's memory after 3 seconds 6.085 
Pattern coverage: 0.001% (0 MiB out of 688 MiB reference memory)
After features/support/hooks.rb:326 0.898
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:14.262
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.065
And I prepare Tails for memory erasure tests 0.432
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.050
Then I find very few patterns in the guest's memory 2.682 
Pattern coverage: 0.000% (0 MiB out of 688 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.767
Then patterns cover at least 99% of the test FS size in the guest's memory 2.359 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.792
Then I find very few patterns in the guest's memory after 3 seconds 5.421 
Pattern coverage: 0.000% (0 MiB out of 688 MiB reference memory)
# read cache
When I mount the USB drive again 4.922
And I read the content of the test FS 0.397
Then patterns cover at least 99% of the test FS size in the guest's memory 2.527 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.547
Then I find very few patterns in the guest's memory after 3 seconds 5.295 
Pattern coverage: 0.000% (0 MiB out of 688 MiB reference memory)
After features/support/hooks.rb:326 0.828
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.517
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.907
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 15.582
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.189
Then patterns cover at least 128 MiB in the guest's memory 2.719 
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 20.701 
Pattern coverage: 0.000% (0 MiB out of 689 MiB reference memory)
After features/support/hooks.rb:326 3.580
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:2.739
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 6:18.751
And I prepare Tails for memory erasure tests 0.467
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.414
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.093 
Pattern coverage: 0.000% (0 MiB out of 740 MiB reference memory)
After features/support/hooks.rb:326 3.525
After features/support/hooks.rb:100 0.009