Project Number Date
test_Tails_ISO_stable 5265 15 Nov 2024, 08:51

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 11:46.037 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
25.801
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 10.510
And I prepare Tails for memory erasure tests 0.405
When I start a process allocating 128 MiB of memory with a known pattern 2.492
Then patterns cover at least 128 MiB in the guest's memory 4.376 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.175
Then I find very few patterns in the guest's memory after 3 seconds 6.841 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:326 1.901
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.112
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.136
And I prepare Tails for memory erasure tests 0.403
And I find very few patterns in the guest's memory 2.968 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.066
Then patterns cover at least 99% of the test FS size in the guest's memory 4.270 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.714
Then I find very few patterns in the guest's memory after 3 seconds 7.551 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:326 1.240
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.095
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.950
And I prepare Tails for memory erasure tests 0.424
When I plug and mount a 128 MiB USB drive with a vfat filesystem 8.979
Then I find very few patterns in the guest's memory 3.688 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.016
Then patterns cover at least 75% of the test FS size in the guest's memory 3.239 
Pattern coverage: 87.850% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.882
Then I find very few patterns in the guest's memory after 3 seconds 5.896 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
# read cache
When I mount the USB drive again 0.338
And I read the content of the test FS 0.536
Then patterns cover at least 99% of the test FS size in the guest's memory 3.996 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.768
Then I find very few patterns in the guest's memory after 3 seconds 6.377 
Pattern coverage: 0.000% (0 MiB out of 899 MiB reference memory)
After features/support/hooks.rb:326 0.799
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:21.847
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.312
And I prepare Tails for memory erasure tests 0.510
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 40.447
Then I find very few patterns in the guest's memory 2.818 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.074
Then patterns cover at least 99% of the test FS size in the guest's memory 3.280 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.995
Then I find very few patterns in the guest's memory after 3 seconds 5.943 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# read cache
When I mount the USB drive again 7.113
And I read the content of the test FS 0.714
Then patterns cover at least 99% of the test FS size in the guest's memory 3.204 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.194
Then I find very few patterns in the guest's memory after 3 seconds 5.238 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:326 1.673
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.075
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 0.497
When I fill a 128 MiB file with a known pattern on the root filesystem 18.648
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.099
Then patterns cover at least 128 MiB in the guest's memory 2.857 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.706 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:326 3.541
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:51.104
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 7:8.722
And I prepare Tails for memory erasure tests 0.389
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.836
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.144 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:326 3.540
After features/support/hooks.rb:100 0.013