Project Number Date
test_Tails_ISO_stable 5385 10 Jan 2025, 12:40

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 11:27.659 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
24.701
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.888
And I prepare Tails for memory erasure tests 0.385
When I start a process allocating 128 MiB of memory with a known pattern 4.399
Then patterns cover at least 128 MiB in the guest's memory 3.224 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 3.072
Then I find very few patterns in the guest's memory after 3 seconds 5.731 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:326 0.779
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.500
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.089
And I prepare Tails for memory erasure tests 0.507
And I find very few patterns in the guest's memory 2.946 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 5.632
Then patterns cover at least 99% of the test FS size in the guest's memory 3.054 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.575
Then I find very few patterns in the guest's memory after 3 seconds 5.695 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:326 0.820
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
46.861
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.778
And I prepare Tails for memory erasure tests 0.386
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.086
Then I find very few patterns in the guest's memory 2.952 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.665
Then patterns cover at least 75% of the test FS size in the guest's memory 3.198 
Pattern coverage: 90.430% (115 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.814
Then I find very few patterns in the guest's memory after 3 seconds 5.818 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# read cache
When I mount the USB drive again 0.206
And I read the content of the test FS 0.491
Then patterns cover at least 99% of the test FS size in the guest's memory 3.570 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.438
Then I find very few patterns in the guest's memory after 3 seconds 6.453 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:326 1.360
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:13.699
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.165
And I prepare Tails for memory erasure tests 0.393
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.830
Then I find very few patterns in the guest's memory 2.433 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.844
Then patterns cover at least 99% of the test FS size in the guest's memory 2.696 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.921
Then I find very few patterns in the guest's memory after 3 seconds 5.488 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# read cache
When I mount the USB drive again 5.475
And I read the content of the test FS 0.429
Then patterns cover at least 99% of the test FS size in the guest's memory 2.652 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 2.119
Then I find very few patterns in the guest's memory after 3 seconds 5.249 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:326 1.565
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.691
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.610
And I prepare Tails for memory erasure tests 0.433
When I fill a 128 MiB file with a known pattern on the root filesystem 17.617
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.942
Then patterns cover at least 128 MiB in the guest's memory 2.339 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.734 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:326 3.508
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:44.204
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 6:59.251
And I prepare Tails for memory erasure tests 0.635
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.023
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.280 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:326 3.530
After features/support/hooks.rb:100 0.010