Project Number Date
test_Tails_ISO_devel 3502 04 Sep 2024, 12:49

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 11:5.977 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
22.327
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.195
And I prepare Tails for memory erasure tests 0.494
When I start a process allocating 128 MiB of memory with a known pattern 2.396
Then patterns cover at least 128 MiB in the guest's memory 3.675 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.335
Then I find very few patterns in the guest's memory after 3 seconds 6.230 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 0.786
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.189
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.267
And I prepare Tails for memory erasure tests 0.434
And I find very few patterns in the guest's memory 3.484 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.243
Then patterns cover at least 99% of the test FS size in the guest's memory 3.696 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.681
Then I find very few patterns in the guest's memory after 3 seconds 6.381 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:326 1.798
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.353
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.981
And I prepare Tails for memory erasure tests 0.448
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.118
Then I find very few patterns in the guest's memory 3.232 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.452
Then patterns cover at least 75% of the test FS size in the guest's memory 4.048 
Pattern coverage: 88.566% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.646
Then I find very few patterns in the guest's memory after 3 seconds 7.026 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# read cache
When I mount the USB drive again 0.315
And I read the content of the test FS 0.797
Then patterns cover at least 99% of the test FS size in the guest's memory 3.841 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.835
Then I find very few patterns in the guest's memory after 3 seconds 6.609 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 0.841
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:17.921
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.228
And I prepare Tails for memory erasure tests 0.483
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.826
Then I find very few patterns in the guest's memory 2.811 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.818
Then patterns cover at least 99% of the test FS size in the guest's memory 3.275 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.265
Then I find very few patterns in the guest's memory after 3 seconds 5.771 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# read cache
When I mount the USB drive again 6.533
And I read the content of the test FS 0.491
Then patterns cover at least 99% of the test FS size in the guest's memory 3.292 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.716
Then I find very few patterns in the guest's memory after 3 seconds 5.406 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:326 1.142
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.289
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.153
And I prepare Tails for memory erasure tests 0.517
When I fill a 128 MiB file with a known pattern on the root filesystem 15.961
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.126
Then patterns cover at least 128 MiB in the guest's memory 2.788 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.728 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:326 3.496
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:19.894
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 6:37.299
And I prepare Tails for memory erasure tests 0.408
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.996
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.178 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:326 3.584
After features/support/hooks.rb:100 0.013