Project Number Date
test_Tails_ISO_stable 5370 07 Jan 2025, 09:20

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 11:32.257 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
29.991
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.733
And I prepare Tails for memory erasure tests 0.432
When I start a process allocating 128 MiB of memory with a known pattern 1.200
Then patterns cover at least 128 MiB in the guest's memory 11.115 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.978
Then I find very few patterns in the guest's memory after 3 seconds 6.530 
Pattern coverage: 0.000% (0 MiB out of 909 MiB reference memory)
After features/support/hooks.rb:326 0.766
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.305
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.003
And I prepare Tails for memory erasure tests 0.393
And I find very few patterns in the guest's memory 3.656 
Pattern coverage: 0.000% (0 MiB out of 914 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.830
Then patterns cover at least 99% of the test FS size in the guest's memory 4.016 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.477
Then I find very few patterns in the guest's memory after 3 seconds 5.927 
Pattern coverage: 0.000% (0 MiB out of 914 MiB reference memory)
After features/support/hooks.rb:326 0.729
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.746
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.080
And I prepare Tails for memory erasure tests 0.405
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.050
Then I find very few patterns in the guest's memory 3.024 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.967
Then patterns cover at least 75% of the test FS size in the guest's memory 4.014 
Pattern coverage: 82.909% (105 MiB out of 127 MiB reference memory)
When I umount the USB drive 7.045
Then I find very few patterns in the guest's memory after 3 seconds 6.565 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
# read cache
When I mount the USB drive again 0.330
And I read the content of the test FS 0.775
Then patterns cover at least 99% of the test FS size in the guest's memory 4.183 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.820
Then I find very few patterns in the guest's memory after 3 seconds 7.481 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:326 0.772
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:14.166
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.686
And I prepare Tails for memory erasure tests 0.436
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.097
Then I find very few patterns in the guest's memory 2.923 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.968
Then patterns cover at least 99% of the test FS size in the guest's memory 3.390 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.906
Then I find very few patterns in the guest's memory after 3 seconds 5.968 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# read cache
When I mount the USB drive again 5.150
And I read the content of the test FS 0.579
Then patterns cover at least 99% of the test FS size in the guest's memory 2.807 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.950
Then I find very few patterns in the guest's memory after 3 seconds 5.299 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 0.845
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.531
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.948
And I prepare Tails for memory erasure tests 0.432
When I fill a 128 MiB file with a known pattern on the root filesystem 18.054
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.765
Then patterns cover at least 128 MiB in the guest's memory 2.415 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 20.898 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
After features/support/hooks.rb:326 3.549
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:37.516
Before features/support/hooks.rb:269 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:54.939
And I prepare Tails for memory erasure tests 0.504
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.894
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.164 
Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)
After features/support/hooks.rb:326 3.523
After features/support/hooks.rb:100 0.012