Project Number Date
test_Tails_ISO_feature-arti 6 21 Nov 2024, 17:32

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 13:58.066 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
22.639
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.649
And I prepare Tails for memory erasure tests 0.434
When I start a process allocating 128 MiB of memory with a known pattern 2.371
Then patterns cover at least 128 MiB in the guest's memory 3.737 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.572
Then I find very few patterns in the guest's memory after 3 seconds 5.874 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 0.852
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.903
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.948
And I prepare Tails for memory erasure tests 0.433
And I find very few patterns in the guest's memory 2.783 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.444
Then patterns cover at least 99% of the test FS size in the guest's memory 3.416 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.897
Then I find very few patterns in the guest's memory after 3 seconds 5.979 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 1.022
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:4.959
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 9.036
And I prepare Tails for memory erasure tests 0.528
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.586
Then I find very few patterns in the guest's memory 4.256 
Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 5.051
Then patterns cover at least 75% of the test FS size in the guest's memory 10.475 
Pattern coverage: 91.826% (117 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.131
Then I find very few patterns in the guest's memory after 3 seconds 8.434 
Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)
# read cache
When I mount the USB drive again 0.547
And I read the content of the test FS 0.860
Then patterns cover at least 99% of the test FS size in the guest's memory 5.185 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.986
Then I find very few patterns in the guest's memory after 3 seconds 6.879 
Pattern coverage: 0.000% (0 MiB out of 869 MiB reference memory)
After features/support/hooks.rb:326 1.097
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:37.873
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 10.079
And I prepare Tails for memory erasure tests 0.533
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 47.199
Then I find very few patterns in the guest's memory 3.062 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.766
Then patterns cover at least 99% of the test FS size in the guest's memory 4.737 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.686
Then I find very few patterns in the guest's memory after 3 seconds 7.017 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# read cache
When I mount the USB drive again 5.413
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 3.724 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.289
Then I find very few patterns in the guest's memory after 3 seconds 7.906 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:326 1.272
After features/support/hooks.rb:100 0.001
Tags: @product @slow @not_release_blocker
55.578
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 10.089
And I prepare Tails for memory erasure tests 0.639
When I fill a 128 MiB file with a known pattern on the root filesystem 17.417
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.524
Then patterns cover at least 128 MiB in the guest's memory 3.178 
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 21.712 
Pattern coverage: 0.000% (0 MiB out of 872 MiB reference memory)
After features/support/hooks.rb:326 3.625
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
9:32.110
Before features/support/hooks.rb:269 0.008
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 8:45.849
And I prepare Tails for memory erasure tests 0.391
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.383
When I trigger shutdown 0.017
Then I find very few patterns in the guest's memory after 20 seconds 21.468 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:326 3.536
After features/support/hooks.rb:100 0.024