Project Number Date
test_Tails_ISO_devel 3469 08 Aug 2024, 12:43

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 12:8.781 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
25.606
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 10.349
And I prepare Tails for memory erasure tests 0.814
When I start a process allocating 128 MiB of memory with a known pattern 3.268
Then patterns cover at least 128 MiB in the guest's memory 3.853 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.248
Then I find very few patterns in the guest's memory after 3 seconds 6.072 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
After features/support/hooks.rb:326 0.797
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.332
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.765
And I prepare Tails for memory erasure tests 0.468
And I find very few patterns in the guest's memory 3.533 
Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.796
Then patterns cover at least 99% of the test FS size in the guest's memory 3.744 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.452
Then I find very few patterns in the guest's memory after 3 seconds 6.571 
Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)
After features/support/hooks.rb:326 0.847
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.902
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.253
And I prepare Tails for memory erasure tests 0.439
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.105
Then I find very few patterns in the guest's memory 3.913 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 7.170
Then patterns cover at least 75% of the test FS size in the guest's memory 4.295 
Pattern coverage: 85.006% (108 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.135
Then I find very few patterns in the guest's memory after 3 seconds 7.224 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
# read cache
When I mount the USB drive again 0.254
And I read the content of the test FS 0.501
Then patterns cover at least 99% of the test FS size in the guest's memory 4.172 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.633
Then I find very few patterns in the guest's memory after 3 seconds 6.800 
Pattern coverage: 0.001% (0 MiB out of 868 MiB reference memory)
After features/support/hooks.rb:326 0.979
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:25.778
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.227
And I prepare Tails for memory erasure tests 0.463
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.287
Then I find very few patterns in the guest's memory 2.347 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.915
Then patterns cover at least 99% of the test FS size in the guest's memory 2.769 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.872
Then I find very few patterns in the guest's memory after 3 seconds 5.299 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
# read cache
When I mount the USB drive again 14.161
And I read the content of the test FS 0.442
Then patterns cover at least 99% of the test FS size in the guest's memory 3.963 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.582
Then I find very few patterns in the guest's memory after 3 seconds 5.444 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
After features/support/hooks.rb:326 1.166
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.962
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.382
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 15.536
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 4.082
Then patterns cover at least 128 MiB in the guest's memory 2.739 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 20.787 
Pattern coverage: 0.000% (0 MiB out of 855 MiB reference memory)
After features/support/hooks.rb:326 3.505
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:3.197
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 7:17.329
And I prepare Tails for memory erasure tests 0.433
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.561
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.861 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
After features/support/hooks.rb:326 3.714
After features/support/hooks.rb:100 0.012