Project Number Date
test_Tails_ISO_stable 5348 20 Dec 2024, 08:40

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 11:36.483 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
34.860
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.381
And I prepare Tails for memory erasure tests 0.459
When I start a process allocating 128 MiB of memory with a known pattern 2.390
Then patterns cover at least 128 MiB in the guest's memory 8.952 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.735
Then I find very few patterns in the guest's memory after 3 seconds 12.940 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:326 0.978
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.923
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.858
And I prepare Tails for memory erasure tests 0.444
And I find very few patterns in the guest's memory 3.747 
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 2.642
Then patterns cover at least 99% of the test FS size in the guest's memory 4.042 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.629
Then I find very few patterns in the guest's memory after 3 seconds 6.558 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:326 1.693
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
47.473
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.073
And I prepare Tails for memory erasure tests 0.410
When I plug and mount a 128 MiB USB drive with a vfat filesystem 8.984
Then I find very few patterns in the guest's memory 3.535 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.289
Then patterns cover at least 75% of the test FS size in the guest's memory 4.436 
Pattern coverage: 84.271% (107 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.594
Then I find very few patterns in the guest's memory after 3 seconds 6.556 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# read cache
When I mount the USB drive again 0.268
And I read the content of the test FS 0.485
Then patterns cover at least 99% of the test FS size in the guest's memory 3.862 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.429
Then I find very few patterns in the guest's memory after 3 seconds 6.545 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:326 2.245
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:18.243
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.064
And I prepare Tails for memory erasure tests 0.365
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.866
Then I find very few patterns in the guest's memory 3.218 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.213
Then patterns cover at least 99% of the test FS size in the guest's memory 3.487 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.325
Then I find very few patterns in the guest's memory after 3 seconds 6.024 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# read cache
When I mount the USB drive again 5.732
And I read the content of the test FS 0.407
Then patterns cover at least 99% of the test FS size in the guest's memory 3.444 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.689
Then I find very few patterns in the guest's memory after 3 seconds 7.401 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:326 0.894
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:7.868
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 21.051
And I prepare Tails for memory erasure tests 0.430
When I fill a 128 MiB file with a known pattern on the root filesystem 20.853
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.895
Then patterns cover at least 128 MiB in the guest's memory 2.709 
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 20.911 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:326 3.523
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:20.113
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 6:35.583
And I prepare Tails for memory erasure tests 1.250
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.113
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.154 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 3.488
After features/support/hooks.rb:100 0.012