Project Number Date
test_Tails_ISO_stable 5199 19 Oct 2024, 12:36

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 11:55.786 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
27.851
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.921
And I prepare Tails for memory erasure tests 0.495
When I start a process allocating 128 MiB of memory with a known pattern 5.590
Then patterns cover at least 128 MiB in the guest's memory 5.107 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.422
Then I find very few patterns in the guest's memory after 3 seconds 6.313 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:326 1.333
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
29.688
Before features/support/hooks.rb:269 0.007
Given I have started Tails from DVD without network and logged in 8.904
And I prepare Tails for memory erasure tests 0.520
And I find very few patterns in the guest's memory 4.285 
Pattern coverage: 0.000% (0 MiB out of 913 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.150
Then patterns cover at least 99% of the test FS size in the guest's memory 5.146 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.666
Then I find very few patterns in the guest's memory after 3 seconds 7.014 
Pattern coverage: 0.000% (0 MiB out of 913 MiB reference memory)
After features/support/hooks.rb:326 1.293
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:7.052
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 21.132
And I prepare Tails for memory erasure tests 0.394
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.204
Then I find very few patterns in the guest's memory 4.138 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.097
Then patterns cover at least 75% of the test FS size in the guest's memory 5.337 
Pattern coverage: 88.796% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.685
Then I find very few patterns in the guest's memory after 3 seconds 6.616 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# read cache
When I mount the USB drive again 0.347
And I read the content of the test FS 1.493
Then patterns cover at least 99% of the test FS size in the guest's memory 4.294 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.612
Then I find very few patterns in the guest's memory after 3 seconds 6.696 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 0.886
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:21.848
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.174
And I prepare Tails for memory erasure tests 0.393
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.307
Then I find very few patterns in the guest's memory 3.877 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.868
Then patterns cover at least 99% of the test FS size in the guest's memory 3.859 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.302
Then I find very few patterns in the guest's memory after 3 seconds 6.171 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
# read cache
When I mount the USB drive again 6.085
And I read the content of the test FS 0.501
Then patterns cover at least 99% of the test FS size in the guest's memory 4.418 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.740
Then I find very few patterns in the guest's memory after 3 seconds 6.148 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
After features/support/hooks.rb:326 1.553
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.519
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 10.204
And I prepare Tails for memory erasure tests 0.464
When I fill a 128 MiB file with a known pattern on the root filesystem 14.884
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.763
Then patterns cover at least 128 MiB in the guest's memory 3.320 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.022
Then I find very few patterns in the guest's memory after 20 seconds 20.858 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:326 3.534
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:37.826
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 6:53.103
And I prepare Tails for memory erasure tests 0.418
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.997
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.294 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:326 3.846
After features/support/hooks.rb:100 0.039