Project Number Date
test_Tails_ISO_stable 5371 07 Jan 2025, 13:02

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 11:49.803 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
25.047
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.702
And I prepare Tails for memory erasure tests 0.671
When I start a process allocating 128 MiB of memory with a known pattern 2.475
Then patterns cover at least 128 MiB in the guest's memory 3.510 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 3.630
Then I find very few patterns in the guest's memory after 3 seconds 6.056 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:326 1.963
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
29.995
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 11.056
And I prepare Tails for memory erasure tests 0.521
And I find very few patterns in the guest's memory 4.121 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.359
Then patterns cover at least 99% of the test FS size in the guest's memory 4.120 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.925
Then I find very few patterns in the guest's memory after 3 seconds 6.890 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
After features/support/hooks.rb:326 1.296
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.857
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 9.455
And I prepare Tails for memory erasure tests 0.525
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.178
Then I find very few patterns in the guest's memory 3.905 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.986
Then patterns cover at least 75% of the test FS size in the guest's memory 4.330 
Pattern coverage: 87.155% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.752
Then I find very few patterns in the guest's memory after 3 seconds 6.609 
Pattern coverage: 0.000% (0 MiB out of 868 MiB reference memory)
# read cache
When I mount the USB drive again 0.592
And I read the content of the test FS 0.653
Then patterns cover at least 99% of the test FS size in the guest's memory 4.146 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.775
Then I find very few patterns in the guest's memory after 3 seconds 6.946 
Pattern coverage: 0.001% (0 MiB out of 868 MiB reference memory)
After features/support/hooks.rb:326 0.994
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:22.714
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.703
And I prepare Tails for memory erasure tests 0.534
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.728
Then I find very few patterns in the guest's memory 2.935 
Pattern coverage: 0.000% (0 MiB out of 865 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.104
Then patterns cover at least 99% of the test FS size in the guest's memory 3.488 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.016
Then I find very few patterns in the guest's memory after 3 seconds 5.969 
Pattern coverage: 0.000% (0 MiB out of 865 MiB reference memory)
# read cache
When I mount the USB drive again 6.032
And I read the content of the test FS 0.639
Then patterns cover at least 99% of the test FS size in the guest's memory 4.816 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.830
Then I find very few patterns in the guest's memory after 3 seconds 6.914 
Pattern coverage: 0.000% (0 MiB out of 865 MiB reference memory)
After features/support/hooks.rb:326 0.997
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.136
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.376
And I prepare Tails for memory erasure tests 0.637
When I fill a 128 MiB file with a known pattern on the root filesystem 19.151
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.966
Then patterns cover at least 128 MiB in the guest's memory 3.047 
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 20.943 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
After features/support/hooks.rb:326 3.575
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:44.052
Before features/support/hooks.rb:269 0.005
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:0.230
And I prepare Tails for memory erasure tests 0.468
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.922
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.419 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:326 3.587
After features/support/hooks.rb:100 0.011