Project Number Date
test_Tails_ISO_20575-disable-cups-browsed 27 24 Oct 2024, 00:48

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 11:30.126 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
21.446
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.942
And I prepare Tails for memory erasure tests 0.405
When I start a process allocating 128 MiB of memory with a known pattern 2.330
Then patterns cover at least 128 MiB in the guest's memory 3.658 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.269
Then I find very few patterns in the guest's memory after 3 seconds 5.839 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
After features/support/hooks.rb:326 0.818
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
23.873
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.968
And I prepare Tails for memory erasure tests 0.450
And I find very few patterns in the guest's memory 3.003 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.013
Then patterns cover at least 99% of the test FS size in the guest's memory 3.296 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.210
Then I find very few patterns in the guest's memory after 3 seconds 5.930 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
After features/support/hooks.rb:326 1.648
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.899
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.705
And I prepare Tails for memory erasure tests 0.382
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.080
Then I find very few patterns in the guest's memory 3.362 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.829
Then patterns cover at least 75% of the test FS size in the guest's memory 4.908 
Pattern coverage: 86.662% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.346
Then I find very few patterns in the guest's memory after 3 seconds 6.899 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
# read cache
When I mount the USB drive again 0.227
And I read the content of the test FS 0.517
Then patterns cover at least 99% of the test FS size in the guest's memory 4.692 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.381
Then I find very few patterns in the guest's memory after 3 seconds 6.564 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
After features/support/hooks.rb:326 0.816
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:24.346
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.897
And I prepare Tails for memory erasure tests 0.400
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 41.128
Then I find very few patterns in the guest's memory 2.494 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 5.597
Then patterns cover at least 99% of the test FS size in the guest's memory 2.850 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.319
Then I find very few patterns in the guest's memory after 3 seconds 5.700 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# read cache
When I mount the USB drive again 4.946
And I read the content of the test FS 0.384
Then patterns cover at least 99% of the test FS size in the guest's memory 3.479 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.086
Then I find very few patterns in the guest's memory after 3 seconds 6.062 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:326 1.170
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.566
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.941
And I prepare Tails for memory erasure tests 0.414
When I fill a 128 MiB file with a known pattern on the root filesystem 15.046
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.956
Then patterns cover at least 128 MiB in the guest's memory 2.509 
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 20.685 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
After features/support/hooks.rb:326 3.483
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:38.993
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 6:54.420
And I prepare Tails for memory erasure tests 0.423
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.996
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.137 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:326 3.553
After features/support/hooks.rb:100 0.015