Project Number Date
test_Tails_ISO_stable 5135 03 Oct 2024, 08:48

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 11:51.335 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
21.843
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.452
And I prepare Tails for memory erasure tests 0.470
When I start a process allocating 128 MiB of memory with a known pattern 1.278
Then patterns cover at least 128 MiB in the guest's memory 4.130 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.565
Then I find very few patterns in the guest's memory after 3 seconds 5.945 
Pattern coverage: 0.000% (0 MiB out of 864 MiB reference memory)
After features/support/hooks.rb:326 1.186
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.966
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.513
And I prepare Tails for memory erasure tests 0.408
And I find very few patterns in the guest's memory 3.584 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.571
Then patterns cover at least 99% of the test FS size in the guest's memory 4.474 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.678
Then I find very few patterns in the guest's memory after 3 seconds 6.736 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
After features/support/hooks.rb:326 0.840
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.334
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.617
And I prepare Tails for memory erasure tests 0.498
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.166
Then I find very few patterns in the guest's memory 3.892 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.251
Then patterns cover at least 75% of the test FS size in the guest's memory 4.284 
Pattern coverage: 90.718% (115 MiB out of 127 MiB reference memory)
When I umount the USB drive 6.193
Then I find very few patterns in the guest's memory after 3 seconds 6.017 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
# read cache
When I mount the USB drive again 0.255
And I read the content of the test FS 0.792
Then patterns cover at least 99% of the test FS size in the guest's memory 3.641 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.893
Then I find very few patterns in the guest's memory after 3 seconds 6.827 
Pattern coverage: 0.000% (0 MiB out of 870 MiB reference memory)
After features/support/hooks.rb:326 0.830
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:20.315
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.734
And I prepare Tails for memory erasure tests 0.434
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.472
Then I find very few patterns in the guest's memory 3.377 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.133
Then patterns cover at least 99% of the test FS size in the guest's memory 3.659 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.937
Then I find very few patterns in the guest's memory after 3 seconds 6.585 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
# read cache
When I mount the USB drive again 6.682
And I read the content of the test FS 0.707
Then patterns cover at least 99% of the test FS size in the guest's memory 3.481 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.901
Then I find very few patterns in the guest's memory after 3 seconds 6.208 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:326 0.839
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.053
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.421
And I prepare Tails for memory erasure tests 0.438
When I fill a 128 MiB file with a known pattern on the root filesystem 15.298
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.916
Then patterns cover at least 128 MiB in the guest's memory 3.237 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.020
Then I find very few patterns in the guest's memory after 20 seconds 20.720 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:326 3.545
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:54.821
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 7:9.122
And I prepare Tails for memory erasure tests 0.508
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.961
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.212 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:326 3.576
After features/support/hooks.rb:100 0.012