Project Number Date
test_Tails_ISO_20524-warn-danger-unplug-usb-stick 57 06 Dec 2024, 07:15

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 11:35.804 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
32.532
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 21.151
And I prepare Tails for memory erasure tests 0.552
When I start a process allocating 128 MiB of memory with a known pattern 1.316
Then patterns cover at least 128 MiB in the guest's memory 3.352 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.666
Then I find very few patterns in the guest's memory after 3 seconds 5.492 
Pattern coverage: 0.000% (0 MiB out of 679 MiB reference memory)
After features/support/hooks.rb:326 0.819
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
22.414
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.213
And I prepare Tails for memory erasure tests 0.484
And I find very few patterns in the guest's memory 2.959 
Pattern coverage: 0.000% (0 MiB out of 678 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.241
Then patterns cover at least 99% of the test FS size in the guest's memory 3.406 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.303
Then I find very few patterns in the guest's memory after 3 seconds 5.805 
Pattern coverage: 0.000% (0 MiB out of 678 MiB reference memory)
After features/support/hooks.rb:326 0.928
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.297
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.384
And I prepare Tails for memory erasure tests 0.522
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.151
Then I find very few patterns in the guest's memory 3.700 
Pattern coverage: 0.000% (0 MiB out of 685 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.237
Then patterns cover at least 75% of the test FS size in the guest's memory 3.970 
Pattern coverage: 79.045% (100 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.400
Then I find very few patterns in the guest's memory after 3 seconds 6.646 
Pattern coverage: 0.000% (0 MiB out of 685 MiB reference memory)
# read cache
When I mount the USB drive again 0.258
And I read the content of the test FS 0.706
Then patterns cover at least 99% of the test FS size in the guest's memory 3.987 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.406
Then I find very few patterns in the guest's memory after 3 seconds 5.923 
Pattern coverage: 0.000% (0 MiB out of 685 MiB reference memory)
After features/support/hooks.rb:326 0.729
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:18.892
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.931
And I prepare Tails for memory erasure tests 0.476
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.085
Then I find very few patterns in the guest's memory 2.381 
Pattern coverage: 0.000% (0 MiB out of 688 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.159
Then patterns cover at least 99% of the test FS size in the guest's memory 2.779 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 2.750
Then I find very few patterns in the guest's memory after 3 seconds 5.601 
Pattern coverage: 0.000% (0 MiB out of 688 MiB reference memory)
# read cache
When I mount the USB drive again 8.649
And I read the content of the test FS 0.446
Then patterns cover at least 99% of the test FS size in the guest's memory 2.937 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.737
Then I find very few patterns in the guest's memory after 3 seconds 5.955 
Pattern coverage: 0.000% (0 MiB out of 688 MiB reference memory)
After features/support/hooks.rb:326 2.329
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.491
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.380
And I prepare Tails for memory erasure tests 0.895
When I fill a 128 MiB file with a known pattern on the root filesystem 19.418
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.255
Then patterns cover at least 128 MiB in the guest's memory 2.789 
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 20.737 
Pattern coverage: 0.000% (0 MiB out of 686 MiB reference memory)
After features/support/hooks.rb:326 3.477
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:40.175
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 6:54.853
And I prepare Tails for memory erasure tests 0.444
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.760
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 22.100 
Pattern coverage: 0.000% (0 MiB out of 739 MiB reference memory)
After features/support/hooks.rb:326 3.534
After features/support/hooks.rb:100 0.040