Project Number Date
test_Tails_ISO_19139-arti-1.4.2 11 27 Apr 2025, 03:31

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 10:42.254 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
23.028
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.039
And I prepare Tails for memory erasure tests 0.609
When I start a process allocating 128 MiB of memory with a known pattern 2.317
Then patterns cover at least 128 MiB in the guest's memory 3.330 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.221
Then I find very few patterns in the guest's memory after 5 seconds 8.508 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:330 0.713
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.526
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.824
And I prepare Tails for memory erasure tests 1.304
And I find very few patterns in the guest's memory 3.507 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.733
Then patterns cover at least 99% of the test FS size in the guest's memory 3.567 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.483
Then I find very few patterns in the guest's memory after 3 seconds 6.105 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:330 0.772
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
45.571
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.029
And I prepare Tails for memory erasure tests 0.577
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.226
Then I find very few patterns in the guest's memory 3.573 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.307
Then patterns cover at least 75% of the test FS size in the guest's memory 3.942 
Pattern coverage: 89.044% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.936
Then I find very few patterns in the guest's memory after 3 seconds 6.123 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# read cache
When I mount the USB drive again 0.314
And I read the content of the test FS 0.504
Then patterns cover at least 99% of the test FS size in the guest's memory 3.204 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.356
Then I find very few patterns in the guest's memory after 3 seconds 6.472 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:330 0.852
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:14.290
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 7.994
And I prepare Tails for memory erasure tests 0.603
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.459
Then I find very few patterns in the guest's memory 2.618 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.921
Then patterns cover at least 99% of the test FS size in the guest's memory 3.159 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.671
Then I find very few patterns in the guest's memory after 3 seconds 6.653 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# read cache
When I mount the USB drive again 3.977
And I read the content of the test FS 0.475
Then patterns cover at least 99% of the test FS size in the guest's memory 3.058 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.447
Then I find very few patterns in the guest's memory after 3 seconds 5.248 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:330 1.407
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
47.495
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 7.927
And I prepare Tails for memory erasure tests 0.587
When I fill a 128 MiB file with a known pattern on the root filesystem 13.892
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.934
Then patterns cover at least 128 MiB in the guest's memory 2.429 
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 20.712 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:330 3.520
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:6.341
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:22.245
And I prepare Tails for memory erasure tests 0.906
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.073
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.103 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 3.495
After features/support/hooks.rb:100 0.062