Project Number Date
test_Tails_ISO_stable 5317 06 Dec 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 11:52.890 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
33.910
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.000
And I prepare Tails for memory erasure tests 0.430
When I start a process allocating 128 MiB of memory with a known pattern 2.486
Then patterns cover at least 128 MiB in the guest's memory 9.865 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.864
Then I find very few patterns in the guest's memory after 3 seconds 10.263 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:326 0.860
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.340
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.105
And I prepare Tails for memory erasure tests 0.470
And I find very few patterns in the guest's memory 3.523 
Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.976
Then patterns cover at least 99% of the test FS size in the guest's memory 3.993 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.716
Then I find very few patterns in the guest's memory after 3 seconds 6.554 
Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)
After features/support/hooks.rb:326 0.832
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.950
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.035
And I prepare Tails for memory erasure tests 0.440
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.119
Then I find very few patterns in the guest's memory 3.798 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.608
Then patterns cover at least 75% of the test FS size in the guest's memory 4.826 
Pattern coverage: 88.823% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.559
Then I find very few patterns in the guest's memory after 3 seconds 6.668 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# read cache
When I mount the USB drive again 0.364
And I read the content of the test FS 0.524
Then patterns cover at least 99% of the test FS size in the guest's memory 3.943 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.579
Then I find very few patterns in the guest's memory after 3 seconds 6.480 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:326 0.752
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:15.221
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.112
And I prepare Tails for memory erasure tests 0.396
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.235
Then I find very few patterns in the guest's memory 2.525 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.987
Then patterns cover at least 99% of the test FS size in the guest's memory 2.678 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.175
Then I find very few patterns in the guest's memory after 3 seconds 5.372 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# read cache
When I mount the USB drive again 5.482
And I read the content of the test FS 0.431
Then patterns cover at least 99% of the test FS size in the guest's memory 3.243 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.631
Then I find very few patterns in the guest's memory after 3 seconds 5.948 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:326 0.915
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.484
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.103
And I prepare Tails for memory erasure tests 0.400
When I fill a 128 MiB file with a known pattern on the root filesystem 17.651
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.815
Then patterns cover at least 128 MiB in the guest's memory 2.708 
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 20.792 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 3.469
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:55.982
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 7:11.173
And I prepare Tails for memory erasure tests 0.511
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.069
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.216 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:326 3.551
After features/support/hooks.rb:100 0.011