Project Number Date
test_Tails_ISO_20666-whisperback-search 20 25 Nov 2024, 16:40

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 12:5.752 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
22.466
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.999
And I prepare Tails for memory erasure tests 0.413
When I start a process allocating 128 MiB of memory with a known pattern 2.347
Then patterns cover at least 128 MiB in the guest's memory 3.979 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.526
Then I find very few patterns in the guest's memory after 3 seconds 6.200 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:326 0.898
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.718
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.143
And I prepare Tails for memory erasure tests 0.391
And I find very few patterns in the guest's memory 3.215 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.399
Then patterns cover at least 99% of the test FS size in the guest's memory 4.542 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.048
Then I find very few patterns in the guest's memory after 3 seconds 7.976 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:326 0.973
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.329
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.189
And I prepare Tails for memory erasure tests 0.433
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.937
Then I find very few patterns in the guest's memory 4.952 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.032
Then patterns cover at least 75% of the test FS size in the guest's memory 3.819 
Pattern coverage: 87.706% (111 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.643
Then I find very few patterns in the guest's memory after 3 seconds 6.143 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
# read cache
When I mount the USB drive again 0.262
And I read the content of the test FS 0.645
Then patterns cover at least 99% of the test FS size in the guest's memory 3.506 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.928
Then I find very few patterns in the guest's memory after 3 seconds 5.836 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:326 0.841
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:15.000
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.497
And I prepare Tails for memory erasure tests 0.544
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.307
Then I find very few patterns in the guest's memory 2.608 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.022
Then patterns cover at least 99% of the test FS size in the guest's memory 2.924 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.972
Then I find very few patterns in the guest's memory after 3 seconds 5.570 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# read cache
When I mount the USB drive again 5.412
And I read the content of the test FS 2.901
Then patterns cover at least 99% of the test FS size in the guest's memory 2.865 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.672
Then I find very few patterns in the guest's memory after 3 seconds 5.699 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:326 0.797
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.528
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.083
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 17.093
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.495
Then patterns cover at least 128 MiB in the guest's memory 2.614 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 20.791 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:326 3.840
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:19.708
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 7:33.087
And I prepare Tails for memory erasure tests 0.470
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.874
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.260 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:326 3.538
After features/support/hooks.rb:100 0.013