Project Number Date
test_Tails_ISO_stable 5271 16 Nov 2024, 12:52

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 11:33.004 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
21.024
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.490
And I prepare Tails for memory erasure tests 0.408
When I start a process allocating 128 MiB of memory with a known pattern 1.227
Then patterns cover at least 128 MiB in the guest's memory 3.687 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.201
Then I find very few patterns in the guest's memory after 3 seconds 6.008 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:326 1.307
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
28.031
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.356
And I prepare Tails for memory erasure tests 0.458
And I find very few patterns in the guest's memory 3.179 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.677
Then patterns cover at least 99% of the test FS size in the guest's memory 4.014 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 3.309
Then I find very few patterns in the guest's memory after 3 seconds 7.036 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:326 0.925
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
55.785
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.898
And I prepare Tails for memory erasure tests 0.518
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.357
Then I find very few patterns in the guest's memory 3.917 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.910
Then patterns cover at least 75% of the test FS size in the guest's memory 4.242 
Pattern coverage: 87.690% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 3.885
Then I find very few patterns in the guest's memory after 3 seconds 6.304 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# read cache
When I mount the USB drive again 0.287
And I read the content of the test FS 0.768
Then patterns cover at least 99% of the test FS size in the guest's memory 4.477 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.511
Then I find very few patterns in the guest's memory after 3 seconds 6.705 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 1.766
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:17.352
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.329
And I prepare Tails for memory erasure tests 0.467
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.150
Then I find very few patterns in the guest's memory 3.700 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.571
Then patterns cover at least 99% of the test FS size in the guest's memory 3.022 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.958
Then I find very few patterns in the guest's memory after 3 seconds 5.688 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
# read cache
When I mount the USB drive again 5.228
And I read the content of the test FS 0.565
Then patterns cover at least 99% of the test FS size in the guest's memory 2.792 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 2.353
Then I find very few patterns in the guest's memory after 3 seconds 5.523 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:326 0.824
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.485
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.304
And I prepare Tails for memory erasure tests 0.388
When I fill a 128 MiB file with a known pattern on the root filesystem 17.078
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.897
Then patterns cover at least 128 MiB in the guest's memory 2.857 
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 20.946 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:326 3.510
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:39.324
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 6:53.882
And I prepare Tails for memory erasure tests 0.448
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.637
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 21.339 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:326 3.578
After features/support/hooks.rb:100 0.011