Project Number Date
test_Tails_ISO_20524-warn-danger-unplug-usb-stick 15 01 Nov 2024, 07:13

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 11:30.025 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
21.347
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.405
And I prepare Tails for memory erasure tests 0.399
When I start a process allocating 128 MiB of memory with a known pattern 1.198
Then patterns cover at least 128 MiB in the guest's memory 3.641 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.080
Then I find very few patterns in the guest's memory after 3 seconds 6.622 
Pattern coverage: 0.000% (0 MiB out of 684 MiB reference memory)
After features/support/hooks.rb:326 0.754
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.824
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.136
And I prepare Tails for memory erasure tests 0.423
And I find very few patterns in the guest's memory 3.841 
Pattern coverage: 0.000% (0 MiB out of 684 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.205
Then patterns cover at least 99% of the test FS size in the guest's memory 4.167 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.198
Then I find very few patterns in the guest's memory after 3 seconds 6.852 
Pattern coverage: 0.000% (0 MiB out of 684 MiB reference memory)
After features/support/hooks.rb:326 0.689
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.429
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.011
And I prepare Tails for memory erasure tests 0.440
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.135
Then I find very few patterns in the guest's memory 3.977 
Pattern coverage: 0.000% (0 MiB out of 687 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.270
Then patterns cover at least 75% of the test FS size in the guest's memory 4.391 
Pattern coverage: 78.855% (100 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.115
Then I find very few patterns in the guest's memory after 3 seconds 6.716 
Pattern coverage: 0.000% (0 MiB out of 687 MiB reference memory)
# read cache
When I mount the USB drive again 0.352
And I read the content of the test FS 3.762
Then patterns cover at least 99% of the test FS size in the guest's memory 4.158 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.374
Then I find very few patterns in the guest's memory after 3 seconds 6.721 
Pattern coverage: 0.000% (0 MiB out of 687 MiB reference memory)
After features/support/hooks.rb:326 0.730
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:22.939
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.024
And I prepare Tails for memory erasure tests 0.391
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 41.226
Then I find very few patterns in the guest's memory 3.081 
Pattern coverage: 0.000% (0 MiB out of 691 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.605
Then patterns cover at least 99% of the test FS size in the guest's memory 3.217 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.725
Then I find very few patterns in the guest's memory after 3 seconds 6.108 
Pattern coverage: 0.000% (0 MiB out of 691 MiB reference memory)
# read cache
When I mount the USB drive again 5.993
And I read the content of the test FS 2.621
Then patterns cover at least 99% of the test FS size in the guest's memory 3.183 
Pattern coverage: 106.114% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.794
Then I find very few patterns in the guest's memory after 3 seconds 5.963 
Pattern coverage: 0.000% (0 MiB out of 691 MiB reference memory)
After features/support/hooks.rb:326 1.303
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.802
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.004
And I prepare Tails for memory erasure tests 0.386
When I fill a 128 MiB file with a known pattern on the root filesystem 16.096
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.194
Then patterns cover at least 128 MiB in the guest's memory 3.276 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.059
Then I find very few patterns in the guest's memory after 20 seconds 20.785 
Pattern coverage: 0.000% (0 MiB out of 680 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
7:38.681
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 6:56.223
And I prepare Tails for memory erasure tests 0.410
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.964
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.071 
Pattern coverage: 0.000% (0 MiB out of 747 MiB reference memory)
After features/support/hooks.rb:326 3.507
After features/support/hooks.rb:100 0.011