Project Number Date
test_Tails_ISO_devel 3564 28 Oct 2024, 12:55

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 11:44.404 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
24.988
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.150
And I prepare Tails for memory erasure tests 0.426
When I start a process allocating 128 MiB of memory with a known pattern 2.509
Then patterns cover at least 128 MiB in the guest's memory 3.418 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 4.412
Then I find very few patterns in the guest's memory after 3 seconds 6.069 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:326 0.938
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.131
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.195
And I prepare Tails for memory erasure tests 0.516
And I find very few patterns in the guest's memory 3.134 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.301
Then patterns cover at least 99% of the test FS size in the guest's memory 3.492 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.171
Then I find very few patterns in the guest's memory after 3 seconds 6.319 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:326 1.994
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.745
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.300
And I prepare Tails for memory erasure tests 0.440
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.146
Then I find very few patterns in the guest's memory 3.759 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 7.183
Then patterns cover at least 75% of the test FS size in the guest's memory 4.473 
Pattern coverage: 87.605% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.614
Then I find very few patterns in the guest's memory after 3 seconds 6.762 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
# read cache
When I mount the USB drive again 0.247
And I read the content of the test FS 0.618
Then patterns cover at least 99% of the test FS size in the guest's memory 4.229 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.481
Then I find very few patterns in the guest's memory after 3 seconds 6.486 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 0.720
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.928
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.376
And I prepare Tails for memory erasure tests 0.493
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.196
Then I find very few patterns in the guest's memory 2.607 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.380
Then patterns cover at least 99% of the test FS size in the guest's memory 2.827 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.057
Then I find very few patterns in the guest's memory after 3 seconds 6.063 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# read cache
When I mount the USB drive again 6.823
And I read the content of the test FS 0.525
Then patterns cover at least 99% of the test FS size in the guest's memory 3.551 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.960
Then I find very few patterns in the guest's memory after 3 seconds 6.064 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:326 0.807
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.897
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.039
And I prepare Tails for memory erasure tests 0.431
When I fill a 128 MiB file with a known pattern on the root filesystem 15.763
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.025
Then patterns cover at least 128 MiB in the guest's memory 2.897 
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 20.727 
Pattern coverage: 0.000% (0 MiB out of 903 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
7:52.712
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 7:8.391
And I prepare Tails for memory erasure tests 0.898
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.288
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.120 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:326 3.503
After features/support/hooks.rb:100 0.014