Project Number Date
test_Tails_ISO_stable 5011 08 Aug 2024, 14:32

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 13:9.062 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
22.968
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.699
And I prepare Tails for memory erasure tests 0.897
When I start a process allocating 128 MiB of memory with a known pattern 2.340
Then patterns cover at least 128 MiB in the guest's memory 3.583 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.490
Then I find very few patterns in the guest's memory after 3 seconds 5.958 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:326 1.154
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.768
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.251
And I prepare Tails for memory erasure tests 0.530
And I find very few patterns in the guest's memory 4.416 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.072
Then patterns cover at least 99% of the test FS size in the guest's memory 3.272 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.927
Then I find very few patterns in the guest's memory after 3 seconds 6.297 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:326 1.144
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.730
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.598
And I prepare Tails for memory erasure tests 0.829
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.310
Then I find very few patterns in the guest's memory 3.316 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 7.855
Then patterns cover at least 75% of the test FS size in the guest's memory 3.473 
Pattern coverage: 88.789% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.068
Then I find very few patterns in the guest's memory after 3 seconds 6.126 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
# read cache
When I mount the USB drive again 0.294
And I read the content of the test FS 0.719
Then patterns cover at least 99% of the test FS size in the guest's memory 4.329 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.169
Then I find very few patterns in the guest's memory after 3 seconds 7.640 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:326 1.868
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:24.922
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.246
And I prepare Tails for memory erasure tests 0.523
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.072
Then I find very few patterns in the guest's memory 3.100 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.292
Then patterns cover at least 99% of the test FS size in the guest's memory 3.756 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.129
Then I find very few patterns in the guest's memory after 3 seconds 6.043 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
# read cache
When I mount the USB drive again 10.264
And I read the content of the test FS 0.444
Then patterns cover at least 99% of the test FS size in the guest's memory 3.789 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.925
Then I find very few patterns in the guest's memory after 3 seconds 6.333 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
After features/support/hooks.rb:326 2.170
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.001
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.683
And I prepare Tails for memory erasure tests 1.027
When I fill a 128 MiB file with a known pattern on the root filesystem 15.989
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 4.282
Then patterns cover at least 128 MiB in the guest's memory 3.892 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.025
Then I find very few patterns in the guest's memory after 20 seconds 21.099 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:326 3.679
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
9:2.670
Before features/support/hooks.rb:269 0.004
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 8:18.307
And I prepare Tails for memory erasure tests 0.712
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.988
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.648 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:326 3.552
After features/support/hooks.rb:100 0.016