Project Number Date
test_Tails_ISO_stable 5393 15 Jan 2025, 12:48

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 11:27.185 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
23.813
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.009
And I prepare Tails for memory erasure tests 0.380
When I start a process allocating 128 MiB of memory with a known pattern 2.872
Then patterns cover at least 128 MiB in the guest's memory 4.755 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.784
Then I find very few patterns in the guest's memory after 3 seconds 6.009 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:326 1.245
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
34.888
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.093
And I prepare Tails for memory erasure tests 0.497
And I find very few patterns in the guest's memory 6.387 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.629
Then patterns cover at least 99% of the test FS size in the guest's memory 8.932 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.077
Then I find very few patterns in the guest's memory after 3 seconds 7.271 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:326 2.094
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.817
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.285
And I prepare Tails for memory erasure tests 0.356
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.102
Then I find very few patterns in the guest's memory 3.844 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.614
Then patterns cover at least 75% of the test FS size in the guest's memory 4.095 
Pattern coverage: 88.437% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.451
Then I find very few patterns in the guest's memory after 3 seconds 6.126 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
# read cache
When I mount the USB drive again 0.574
And I read the content of the test FS 0.466
Then patterns cover at least 99% of the test FS size in the guest's memory 4.155 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.158
Then I find very few patterns in the guest's memory after 3 seconds 6.585 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:326 1.039
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:19.158
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.119
And I prepare Tails for memory erasure tests 0.411
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.934
Then I find very few patterns in the guest's memory 5.195 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.094
Then patterns cover at least 99% of the test FS size in the guest's memory 3.335 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.942
Then I find very few patterns in the guest's memory after 3 seconds 5.952 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# read cache
When I mount the USB drive again 4.539
And I read the content of the test FS 0.612
Then patterns cover at least 99% of the test FS size in the guest's memory 3.473 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.634
Then I find very few patterns in the guest's memory after 3 seconds 5.912 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:326 1.080
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.689
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.874
And I prepare Tails for memory erasure tests 0.396
When I fill a 128 MiB file with a known pattern on the root filesystem 15.059
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.789
Then patterns cover at least 128 MiB in the guest's memory 2.849 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 20.703 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:326 3.468
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:31.818
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 6:44.635
And I prepare Tails for memory erasure tests 1.519
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.547
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.104 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:326 3.541
After features/support/hooks.rb:100 0.012