Project Number Date
test_Tails_ISO_stable 5121 26 Sep 2024, 13:06

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 11:15.584 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
20.667
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.989
And I prepare Tails for memory erasure tests 0.440
When I start a process allocating 128 MiB of memory with a known pattern 2.300
Then patterns cover at least 128 MiB in the guest's memory 3.269 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.826
Then I find very few patterns in the guest's memory after 3 seconds 5.840 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
After features/support/hooks.rb:326 1.242
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.571
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.067
And I prepare Tails for memory erasure tests 0.412
And I find very few patterns in the guest's memory 3.565 
Pattern coverage: 0.000% (0 MiB out of 914 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.146
Then patterns cover at least 99% of the test FS size in the guest's memory 4.709 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.935
Then I find very few patterns in the guest's memory after 3 seconds 6.735 
Pattern coverage: 0.000% (0 MiB out of 914 MiB reference memory)
After features/support/hooks.rb:326 0.705
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.017
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.116
And I prepare Tails for memory erasure tests 0.381
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.278
Then I find very few patterns in the guest's memory 2.876 
Pattern coverage: 0.000% (0 MiB out of 913 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.983
Then patterns cover at least 75% of the test FS size in the guest's memory 4.169 
Pattern coverage: 86.117% (109 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.599
Then I find very few patterns in the guest's memory after 3 seconds 6.665 
Pattern coverage: 0.000% (0 MiB out of 913 MiB reference memory)
# read cache
When I mount the USB drive again 0.230
And I read the content of the test FS 1.265
Then patterns cover at least 99% of the test FS size in the guest's memory 4.200 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.613
Then I find very few patterns in the guest's memory after 3 seconds 6.635 
Pattern coverage: 0.000% (0 MiB out of 913 MiB reference memory)
After features/support/hooks.rb:326 1.204
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:18.322
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.266
And I prepare Tails for memory erasure tests 1.088
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.109
Then I find very few patterns in the guest's memory 2.396 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.967
Then patterns cover at least 99% of the test FS size in the guest's memory 2.659 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.038
Then I find very few patterns in the guest's memory after 3 seconds 5.958 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
# read cache
When I mount the USB drive again 5.360
And I read the content of the test FS 0.443
Then patterns cover at least 99% of the test FS size in the guest's memory 2.936 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.927
Then I find very few patterns in the guest's memory after 3 seconds 7.169 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
After features/support/hooks.rb:326 1.158
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.525
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.357
And I prepare Tails for memory erasure tests 0.420
When I fill a 128 MiB file with a known pattern on the root filesystem 13.816
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.031
Then patterns cover at least 128 MiB in the guest's memory 3.030 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 20.852 
Pattern coverage: 0.000% (0 MiB out of 916 MiB reference memory)
After features/support/hooks.rb:326 3.527
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:31.478
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 6:45.919
And I prepare Tails for memory erasure tests 0.423
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.674
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.448 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 3.550
After features/support/hooks.rb:100 0.016