Project Number Date
test_Tails_ISO_stable 5257 09 Nov 2024, 08:36

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 10:40.496 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
20.107
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.995
And I prepare Tails for memory erasure tests 0.540
When I start a process allocating 128 MiB of memory with a known pattern 1.233
Then patterns cover at least 128 MiB in the guest's memory 3.393 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.030
Then I find very few patterns in the guest's memory after 3 seconds 5.914 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:326 0.784
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
23.549
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.900
And I prepare Tails for memory erasure tests 0.578
And I find very few patterns in the guest's memory 2.792 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.933
Then patterns cover at least 99% of the test FS size in the guest's memory 3.350 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.644
Then I find very few patterns in the guest's memory after 3 seconds 6.350 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:326 0.981
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
46.954
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.985
And I prepare Tails for memory erasure tests 0.561
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.009
Then I find very few patterns in the guest's memory 3.605 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.451
Then patterns cover at least 75% of the test FS size in the guest's memory 4.172 
Pattern coverage: 91.214% (116 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.266
Then I find very few patterns in the guest's memory after 3 seconds 6.495 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
# read cache
When I mount the USB drive again 0.283
And I read the content of the test FS 0.554
Then patterns cover at least 99% of the test FS size in the guest's memory 3.930 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.516
Then I find very few patterns in the guest's memory after 3 seconds 6.123 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:326 0.717
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:9.104
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.040
And I prepare Tails for memory erasure tests 0.432
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.403
Then I find very few patterns in the guest's memory 2.275 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.914
Then patterns cover at least 99% of the test FS size in the guest's memory 2.671 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.034
Then I find very few patterns in the guest's memory after 3 seconds 5.234 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# read cache
When I mount the USB drive again 4.712
And I read the content of the test FS 0.456
Then patterns cover at least 99% of the test FS size in the guest's memory 2.672 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.762
Then I find very few patterns in the guest's memory after 3 seconds 5.492 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:326 1.250
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
46.745
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.123
And I prepare Tails for memory erasure tests 0.530
When I fill a 128 MiB file with a known pattern on the root filesystem 13.032
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.752
Then patterns cover at least 128 MiB in the guest's memory 2.595 
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 20.698 
Pattern coverage: 0.000% (0 MiB out of 877 MiB reference memory)
After features/support/hooks.rb:326 3.487
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:14.034
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 6:30.361
And I prepare Tails for memory erasure tests 0.836
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.625
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.199 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:326 3.501
After features/support/hooks.rb:100 0.011