Project Number Date
test_Tails_ISO_stable 5351 22 Dec 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 11:34.799 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
28.388
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.473
And I prepare Tails for memory erasure tests 0.647
When I start a process allocating 128 MiB of memory with a known pattern 3.987
Then patterns cover at least 128 MiB in the guest's memory 4.696 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.064
Then I find very few patterns in the guest's memory after 3 seconds 9.519 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:326 0.812
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
28.211
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.079
And I prepare Tails for memory erasure tests 1.200
And I find very few patterns in the guest's memory 5.576 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.714
Then patterns cover at least 99% of the test FS size in the guest's memory 4.932 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.752
Then I find very few patterns in the guest's memory after 3 seconds 5.956 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:326 0.910
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.106
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.088
And I prepare Tails for memory erasure tests 0.574
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.116
Then I find very few patterns in the guest's memory 2.908 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.432
Then patterns cover at least 75% of the test FS size in the guest's memory 3.885 
Pattern coverage: 86.885% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.418
Then I find very few patterns in the guest's memory after 3 seconds 6.517 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# read cache
When I mount the USB drive again 0.410
And I read the content of the test FS 0.564
Then patterns cover at least 99% of the test FS size in the guest's memory 3.879 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.724
Then I find very few patterns in the guest's memory after 3 seconds 6.585 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 1.060
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:16.897
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.076
And I prepare Tails for memory erasure tests 0.487
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.716
Then I find very few patterns in the guest's memory 2.817 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.541
Then patterns cover at least 99% of the test FS size in the guest's memory 2.689 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.244
Then I find very few patterns in the guest's memory after 3 seconds 6.774 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# read cache
When I mount the USB drive again 6.213
And I read the content of the test FS 0.386
Then patterns cover at least 99% of the test FS size in the guest's memory 3.403 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.690
Then I find very few patterns in the guest's memory after 3 seconds 5.855 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:326 0.921
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.085
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 0.533
When I fill a 128 MiB file with a known pattern on the root filesystem 17.763
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.804
Then patterns cover at least 128 MiB in the guest's memory 6.186 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.691 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:326 3.487
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:38.108
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 6:52.139
And I prepare Tails for memory erasure tests 0.419
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.277
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.258 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:326 3.537
After features/support/hooks.rb:100 0.011