Project Number Date
test_Tails_ISO_stable 5041 22 Aug 2024, 12:38

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 11:44.946 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
25.580
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.449
And I prepare Tails for memory erasure tests 0.536
When I start a process allocating 128 MiB of memory with a known pattern 2.510
Then patterns cover at least 128 MiB in the guest's memory 4.852 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.224
Then I find very few patterns in the guest's memory after 3 seconds 8.007 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:326 1.977
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
29.200
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.682
And I prepare Tails for memory erasure tests 0.469
And I find very few patterns in the guest's memory 3.865 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.278
Then patterns cover at least 99% of the test FS size in the guest's memory 5.207 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.257
Then I find very few patterns in the guest's memory after 3 seconds 7.438 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:326 2.176
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:7.437
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 10.887
And I prepare Tails for memory erasure tests 0.510
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.213
Then I find very few patterns in the guest's memory 3.518 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.773
Then patterns cover at least 75% of the test FS size in the guest's memory 3.349 
Pattern coverage: 90.069% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 16.433
Then I find very few patterns in the guest's memory after 3 seconds 6.269 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# read cache
When I mount the USB drive again 0.515
And I read the content of the test FS 1.090
Then patterns cover at least 99% of the test FS size in the guest's memory 4.062 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.983
Then I find very few patterns in the guest's memory after 3 seconds 6.830 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 4.683
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:25.508
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 10.418
And I prepare Tails for memory erasure tests 0.488
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 42.743
Then I find very few patterns in the guest's memory 2.876 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.296
Then patterns cover at least 99% of the test FS size in the guest's memory 2.859 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.030
Then I find very few patterns in the guest's memory after 3 seconds 5.709 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# read cache
When I mount the USB drive again 5.638
And I read the content of the test FS 0.478
Then patterns cover at least 99% of the test FS size in the guest's memory 4.177 
Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.110
Then I find very few patterns in the guest's memory after 3 seconds 5.680 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:326 1.260
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.092
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.634
And I prepare Tails for memory erasure tests 0.416
When I fill a 128 MiB file with a known pattern on the root filesystem 17.824
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.058
Then patterns cover at least 128 MiB in the guest's memory 3.290 
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 20.855 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:326 3.516
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:24.127
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 6:38.854
And I prepare Tails for memory erasure tests 0.449
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.567
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.244 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:326 3.533
After features/support/hooks.rb:100 0.012