Project Number Date
test_Tails_ISO_devel 3699 18 Feb 2025, 13:03

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 12:7.625 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
23.968
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.073
And I prepare Tails for memory erasure tests 0.475
When I start a process allocating 128 MiB of memory with a known pattern 2.571
Then patterns cover at least 128 MiB in the guest's memory 3.898 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.254
Then I find very few patterns in the guest's memory after 5 seconds 8.693 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:326 0.768
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.565
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.750
And I prepare Tails for memory erasure tests 0.472
And I find very few patterns in the guest's memory 3.788 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.986
Then patterns cover at least 99% of the test FS size in the guest's memory 4.271 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.718
Then I find very few patterns in the guest's memory after 3 seconds 6.576 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 0.766
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.937
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.988
And I prepare Tails for memory erasure tests 0.413
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.163
Then I find very few patterns in the guest's memory 2.977 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.068
Then patterns cover at least 75% of the test FS size in the guest's memory 5.290 
Pattern coverage: 89.855% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.516
Then I find very few patterns in the guest's memory after 3 seconds 5.769 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# read cache
When I mount the USB drive again 0.657
And I read the content of the test FS 0.819
Then patterns cover at least 99% of the test FS size in the guest's memory 3.949 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.651
Then I find very few patterns in the guest's memory after 3 seconds 6.672 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:326 1.154
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:22.429
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.519
And I prepare Tails for memory erasure tests 0.429
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.144
Then I find very few patterns in the guest's memory 2.929 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.316
Then patterns cover at least 99% of the test FS size in the guest's memory 3.399 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.932
Then I find very few patterns in the guest's memory after 3 seconds 5.967 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# read cache
When I mount the USB drive again 12.362
And I read the content of the test FS 0.422
Then patterns cover at least 99% of the test FS size in the guest's memory 3.847 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.716
Then I find very few patterns in the guest's memory after 3 seconds 5.441 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 2.691
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
47.392
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.365
And I prepare Tails for memory erasure tests 0.414
When I fill a 128 MiB file with a known pattern on the root filesystem 13.569
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.884
Then patterns cover at least 128 MiB in the guest's memory 2.308 
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 20.836 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:326 3.556
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:17.330
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 7:32.286
And I prepare Tails for memory erasure tests 0.813
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.048
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.169 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:326 3.564
After features/support/hooks.rb:100 0.012