Project Number Date
test_Tails_ISO_devel 3846 31 May 2025, 12:52

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 11:13.324 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
25.294
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 8.087
And I prepare Tails for memory erasure tests 0.494
When I start a process allocating 128 MiB of memory with a known pattern 2.312
Then patterns cover at least 128 MiB in the guest's memory 4.047 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 2.046
Then I find very few patterns in the guest's memory after 5 seconds 8.306 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 0.676
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.971
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 7.970
And I prepare Tails for memory erasure tests 0.430
And I find very few patterns in the guest's memory 3.366 
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 2.100
Then patterns cover at least 99% of the test FS size in the guest's memory 3.837 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.954
Then I find very few patterns in the guest's memory after 3 seconds 6.310 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:330 0.762
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
45.673
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 7.865
And I prepare Tails for memory erasure tests 0.469
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.975
Then I find very few patterns in the guest's memory 2.886 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.446
Then patterns cover at least 75% of the test FS size in the guest's memory 3.624 
Pattern coverage: 87.926% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.111
Then I find very few patterns in the guest's memory after 3 seconds 6.367 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
# read cache
When I mount the USB drive again 0.214
And I read the content of the test FS 0.553
Then patterns cover at least 99% of the test FS size in the guest's memory 3.655 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.498
Then I find very few patterns in the guest's memory after 3 seconds 6.004 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:330 0.727
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:18.952
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 8.151
And I prepare Tails for memory erasure tests 0.685
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.734
Then I find very few patterns in the guest's memory 2.760 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.797
Then patterns cover at least 99% of the test FS size in the guest's memory 3.247 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.734
Then I find very few patterns in the guest's memory after 3 seconds 5.617 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
# read cache
When I mount the USB drive again 4.317
And I read the content of the test FS 4.666
Then patterns cover at least 99% of the test FS size in the guest's memory 3.136 
Pattern coverage: 106.114% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.491
Then I find very few patterns in the guest's memory after 3 seconds 5.612 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
After features/support/hooks.rb:330 1.264
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.957
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 8.121
And I prepare Tails for memory erasure tests 0.462
When I fill a 128 MiB file with a known pattern on the root filesystem 15.773
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.967
Then patterns cover at least 128 MiB in the guest's memory 2.718 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.023
Then I find very few patterns in the guest's memory after 20 seconds 20.889 
Pattern coverage: 0.000% (0 MiB out of 915 MiB reference memory)
After features/support/hooks.rb:330 3.533
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:27.475
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:45.036
And I prepare Tails for memory erasure tests 0.407
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.762
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.256 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:330 3.536
After features/support/hooks.rb:100 0.012