Project Number Date
test_Tails_ISO_stable 5395 15 Jan 2025, 19:15

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 11:34.924 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
21.483
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.108
And I prepare Tails for memory erasure tests 0.415
When I start a process allocating 128 MiB of memory with a known pattern 2.401
Then patterns cover at least 128 MiB in the guest's memory 4.311 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.450
Then I find very few patterns in the guest's memory after 3 seconds 5.796 
Pattern coverage: 0.000% (0 MiB out of 914 MiB reference memory)
After features/support/hooks.rb:326 0.931
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.817
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.349
And I prepare Tails for memory erasure tests 0.571
And I find very few patterns in the guest's memory 3.820 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.000
Then patterns cover at least 99% of the test FS size in the guest's memory 3.637 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.181
Then I find very few patterns in the guest's memory after 3 seconds 6.255 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:326 0.909
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.644
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.537
And I prepare Tails for memory erasure tests 0.549
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.429
Then I find very few patterns in the guest's memory 3.274 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.451
Then patterns cover at least 75% of the test FS size in the guest's memory 5.318 
Pattern coverage: 88.324% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.455
Then I find very few patterns in the guest's memory after 3 seconds 6.889 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
# read cache
When I mount the USB drive again 0.547
And I read the content of the test FS 1.117
Then patterns cover at least 99% of the test FS size in the guest's memory 3.985 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.728
Then I find very few patterns in the guest's memory after 3 seconds 6.360 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:326 0.862
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:28.300
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.983
And I prepare Tails for memory erasure tests 0.464
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.671
Then I find very few patterns in the guest's memory 3.148 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.972
Then patterns cover at least 99% of the test FS size in the guest's memory 2.981 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.140
Then I find very few patterns in the guest's memory after 3 seconds 5.448 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
# read cache
When I mount the USB drive again 18.983
And I read the content of the test FS 1.000
Then patterns cover at least 99% of the test FS size in the guest's memory 3.106 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.760
Then I find very few patterns in the guest's memory after 3 seconds 5.637 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:326 0.887
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.987
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.244
And I prepare Tails for memory erasure tests 0.394
When I fill a 128 MiB file with a known pattern on the root filesystem 16.797
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.029
Then patterns cover at least 128 MiB in the guest's memory 2.589 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.918 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
After features/support/hooks.rb:326 3.534
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:35.691
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 6:50.256
And I prepare Tails for memory erasure tests 0.548
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.947
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.926 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:326 3.509
After features/support/hooks.rb:100 0.039