Project Number Date
test_Tails_ISO_20524-warn-danger-unplug-usb-stick 40 21 Nov 2024, 07:24

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 11:46.875 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
19.456
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.991
And I prepare Tails for memory erasure tests 0.466
When I start a process allocating 128 MiB of memory with a known pattern 1.398
Then patterns cover at least 128 MiB in the guest's memory 3.564 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.250
Then I find very few patterns in the guest's memory after 3 seconds 5.785 
Pattern coverage: 0.000% (0 MiB out of 702 MiB reference memory)
After features/support/hooks.rb:326 0.800
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.057
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.096
And I prepare Tails for memory erasure tests 0.488
And I find very few patterns in the guest's memory 3.068 
Pattern coverage: 0.000% (0 MiB out of 705 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.393
Then patterns cover at least 99% of the test FS size in the guest's memory 3.302 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.132
Then I find very few patterns in the guest's memory after 3 seconds 6.575 
Pattern coverage: 0.000% (0 MiB out of 705 MiB reference memory)
After features/support/hooks.rb:326 1.524
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
46.297
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.262
And I prepare Tails for memory erasure tests 0.494
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.995
Then I find very few patterns in the guest's memory 3.076 
Pattern coverage: 0.000% (0 MiB out of 700 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.260
Then patterns cover at least 75% of the test FS size in the guest's memory 3.411 
Pattern coverage: 80.209% (102 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.410
Then I find very few patterns in the guest's memory after 3 seconds 5.921 
Pattern coverage: 0.000% (0 MiB out of 700 MiB reference memory)
# read cache
When I mount the USB drive again 0.351
And I read the content of the test FS 1.104
Then patterns cover at least 99% of the test FS size in the guest's memory 3.662 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.443
Then I find very few patterns in the guest's memory after 3 seconds 5.902 
Pattern coverage: 0.000% (0 MiB out of 700 MiB reference memory)
After features/support/hooks.rb:326 0.893
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:21.860
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.046
And I prepare Tails for memory erasure tests 0.458
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.430
Then I find very few patterns in the guest's memory 2.475 
Pattern coverage: 0.000% (0 MiB out of 701 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.806
Then patterns cover at least 99% of the test FS size in the guest's memory 3.020 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.915
Then I find very few patterns in the guest's memory after 3 seconds 5.709 
Pattern coverage: 0.000% (0 MiB out of 701 MiB reference memory)
# read cache
When I mount the USB drive again 11.506
And I read the content of the test FS 0.764
Then patterns cover at least 99% of the test FS size in the guest's memory 3.853 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.840
Then I find very few patterns in the guest's memory after 3 seconds 6.030 
Pattern coverage: 0.000% (0 MiB out of 701 MiB reference memory)
After features/support/hooks.rb:326 2.179
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.298
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.218
And I prepare Tails for memory erasure tests 0.462
When I fill a 128 MiB file with a known pattern on the root filesystem 15.567
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.311
Then patterns cover at least 128 MiB in the guest's memory 2.864 
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 20.861 
Pattern coverage: 0.000% (0 MiB out of 688 MiB reference memory)
After features/support/hooks.rb:326 3.502
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:4.905
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 7:20.705
And I prepare Tails for memory erasure tests 0.528
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.242
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.412 
Pattern coverage: 0.000% (0 MiB out of 753 MiB reference memory)
After features/support/hooks.rb:326 3.526
After features/support/hooks.rb:100 0.016