Project Number Date
test_Tails_ISO_devel 3466 07 Aug 2024, 12:43

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 12:33.382 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
22.673
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.467
And I prepare Tails for memory erasure tests 0.501
When I start a process allocating 128 MiB of memory with a known pattern 2.434
Then patterns cover at least 128 MiB in the guest's memory 3.752 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.323
Then I find very few patterns in the guest's memory after 3 seconds 6.194 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:326 0.821
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
46.412
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 23.437
And I prepare Tails for memory erasure tests 0.447
And I find very few patterns in the guest's memory 3.094 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 9.000
Then patterns cover at least 99% of the test FS size in the guest's memory 3.672 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.638
Then I find very few patterns in the guest's memory after 3 seconds 6.122 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 0.885
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.184
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.807
And I prepare Tails for memory erasure tests 0.445
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.162
Then I find very few patterns in the guest's memory 3.284 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.671
Then patterns cover at least 86% of the test FS size in the guest's memory 4.348 
Pattern coverage: 86.741% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.474
Then I find very few patterns in the guest's memory after 3 seconds 6.260 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# read cache
When I mount the USB drive again 0.292
And I read the content of the test FS 0.573
Then patterns cover at least 99% of the test FS size in the guest's memory 3.634 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 5.153
Then I find very few patterns in the guest's memory after 3 seconds 6.073 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:326 0.797
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:25.024
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.516
And I prepare Tails for memory erasure tests 0.503
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.714
Then I find very few patterns in the guest's memory 2.783 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.970
Then patterns cover at least 99% of the test FS size in the guest's memory 3.405 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.164
Then I find very few patterns in the guest's memory after 3 seconds 5.649 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# read cache
When I mount the USB drive again 8.497
And I read the content of the test FS 0.553
Then patterns cover at least 99% of the test FS size in the guest's memory 3.032 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 5.779
Then I find very few patterns in the guest's memory after 3 seconds 5.453 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:326 1.198
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.522
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.411
And I prepare Tails for memory erasure tests 0.448
When I fill a 128 MiB file with a known pattern on the root filesystem 18.966
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.152
Then patterns cover at least 128 MiB in the guest's memory 2.780 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 20.747 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:326 3.542
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:11.564
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 7:25.253
And I prepare Tails for memory erasure tests 0.405
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.419
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.472 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:326 3.495
After features/support/hooks.rb:100 0.010