Project Number Date
test_Tails_ISO_tca-misc-improvements 12 19 Apr 2025, 18:21

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 11:35.558 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
26.298
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 9.964
And I prepare Tails for memory erasure tests 0.569
When I start a process allocating 128 MiB of memory with a known pattern 2.416
Then patterns cover at least 128 MiB in the guest's memory 3.647 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.995
Then I find very few patterns in the guest's memory after 5 seconds 8.705 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:330 0.748
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.208
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.156
And I prepare Tails for memory erasure tests 0.402
And I find very few patterns in the guest's memory 3.496 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.918
Then patterns cover at least 99% of the test FS size in the guest's memory 4.040 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.479
Then I find very few patterns in the guest's memory after 3 seconds 6.714 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:330 0.842
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.709
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 10.459
And I prepare Tails for memory erasure tests 0.499
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.086
Then I find very few patterns in the guest's memory 3.782 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.493
Then patterns cover at least 75% of the test FS size in the guest's memory 3.797 
Pattern coverage: 89.089% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.035
Then I find very few patterns in the guest's memory after 3 seconds 9.271 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# read cache
When I mount the USB drive again 0.292
And I read the content of the test FS 0.844
Then patterns cover at least 99% of the test FS size in the guest's memory 5.229 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.475
Then I find very few patterns in the guest's memory after 3 seconds 7.440 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:330 1.177
After features/support/hooks.rb:100 0.002
Tags: @product @slow @not_release_blocker
1:13.310
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.228
And I prepare Tails for memory erasure tests 0.407
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.324
Then I find very few patterns in the guest's memory 2.623 
Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.693
Then patterns cover at least 99% of the test FS size in the guest's memory 3.011 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.904
Then I find very few patterns in the guest's memory after 3 seconds 6.390 
Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)
# read cache
When I mount the USB drive again 4.018
And I read the content of the test FS 0.521
Then patterns cover at least 99% of the test FS size in the guest's memory 2.980 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.564
Then I find very few patterns in the guest's memory after 3 seconds 5.641 
Pattern coverage: 0.000% (0 MiB out of 910 MiB reference memory)
After features/support/hooks.rb:330 2.120
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.393
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.397
And I prepare Tails for memory erasure tests 0.407
When I fill a 128 MiB file with a known pattern on the root filesystem 18.880
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.880
Then patterns cover at least 128 MiB in the guest's memory 3.058 
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 20.755 
Pattern coverage: 0.000% (0 MiB out of 913 MiB reference memory)
After features/support/hooks.rb:330 3.545
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:39.638
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:56.158
And I prepare Tails for memory erasure tests 0.650
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.585
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.231 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:330 3.478
After features/support/hooks.rb:100 0.012