Project Number Date
test_Tails_ISO_devel 3547 13 Oct 2024, 13:13

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 12:1.570 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
22.762
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.037
And I prepare Tails for memory erasure tests 0.634
When I start a process allocating 128 MiB of memory with a known pattern 2.460
Then patterns cover at least 128 MiB in the guest's memory 3.552 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.123
Then I find very few patterns in the guest's memory after 3 seconds 5.954 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:326 1.605
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.656
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.174
And I prepare Tails for memory erasure tests 0.456
And I find very few patterns in the guest's memory 2.842 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.504
Then patterns cover at least 99% of the test FS size in the guest's memory 4.627 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.537
Then I find very few patterns in the guest's memory after 3 seconds 7.512 
Pattern coverage: 0.000% (0 MiB out of 904 MiB reference memory)
After features/support/hooks.rb:326 0.776
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:11.746
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.412
And I prepare Tails for memory erasure tests 0.518
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.445
Then I find very few patterns in the guest's memory 9.366 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.030
Then patterns cover at least 75% of the test FS size in the guest's memory 9.167 
Pattern coverage: 86.218% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.319
Then I find very few patterns in the guest's memory after 3 seconds 10.793 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# read cache
When I mount the USB drive again 0.367
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 7.499 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.963
Then I find very few patterns in the guest's memory after 3 seconds 9.223 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:326 1.187
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:26.603
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 9.262
And I prepare Tails for memory erasure tests 0.639
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 44.469
Then I find very few patterns in the guest's memory 2.412 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.797
Then patterns cover at least 99% of the test FS size in the guest's memory 2.899 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.319
Then I find very few patterns in the guest's memory after 3 seconds 5.792 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
# read cache
When I mount the USB drive again 5.839
And I read the content of the test FS 0.539
Then patterns cover at least 99% of the test FS size in the guest's memory 3.909 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.769
Then I find very few patterns in the guest's memory after 3 seconds 5.953 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:326 1.236
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.502
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 10.555
And I prepare Tails for memory erasure tests 1.215
When I fill a 128 MiB file with a known pattern on the root filesystem 15.942
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.666
Then patterns cover at least 128 MiB in the guest's memory 3.125 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 20.981 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
After features/support/hooks.rb:326 3.706
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:40.298
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 6:56.881
And I prepare Tails for memory erasure tests 0.449
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.450
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.502 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:326 3.483
After features/support/hooks.rb:100 0.012