Project Number Date
test_Tails_ISO_stable 5249 05 Nov 2024, 12:02

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 12:21.486 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
22.284
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.696
And I prepare Tails for memory erasure tests 0.446
When I start a process allocating 128 MiB of memory with a known pattern 3.248
Then patterns cover at least 128 MiB in the guest's memory 3.937 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.307
Then I find very few patterns in the guest's memory after 3 seconds 5.647 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:326 1.084
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.263
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.761
And I prepare Tails for memory erasure tests 0.469
And I find very few patterns in the guest's memory 3.045 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.819
Then patterns cover at least 99% of the test FS size in the guest's memory 4.930 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.880
Then I find very few patterns in the guest's memory after 3 seconds 6.356 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 1.252
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.693
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.167
And I prepare Tails for memory erasure tests 0.448
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.320
Then I find very few patterns in the guest's memory 4.068 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.149
Then patterns cover at least 75% of the test FS size in the guest's memory 5.267 
Pattern coverage: 88.486% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.707
Then I find very few patterns in the guest's memory after 3 seconds 6.602 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
# read cache
When I mount the USB drive again 0.835
And I read the content of the test FS 1.852
Then patterns cover at least 99% of the test FS size in the guest's memory 4.330 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.564
Then I find very few patterns in the guest's memory after 3 seconds 8.379 
Pattern coverage: 0.000% (0 MiB out of 892 MiB reference memory)
After features/support/hooks.rb:326 0.744
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:21.201
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.378
And I prepare Tails for memory erasure tests 0.421
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.483
Then I find very few patterns in the guest's memory 3.162 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.794
Then patterns cover at least 99% of the test FS size in the guest's memory 3.572 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.663
Then I find very few patterns in the guest's memory after 3 seconds 5.678 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
# read cache
When I mount the USB drive again 5.857
And I read the content of the test FS 0.514
Then patterns cover at least 99% of the test FS size in the guest's memory 3.355 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.767
Then I find very few patterns in the guest's memory after 3 seconds 5.551 
Pattern coverage: 0.000% (0 MiB out of 891 MiB reference memory)
After features/support/hooks.rb:326 1.711
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.109
Before features/support/hooks.rb:269 0.019
Given I have started Tails from DVD without network and logged in 9.014
And I prepare Tails for memory erasure tests 0.479
When I fill a 128 MiB file with a known pattern on the root filesystem 16.574
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.848
Then patterns cover at least 128 MiB in the guest's memory 3.683 
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 21.493 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:326 3.941
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:20.934
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 7:35.226
And I prepare Tails for memory erasure tests 0.583
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.527
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.583 
Pattern coverage: 0.000% (0 MiB out of 911 MiB reference memory)
After features/support/hooks.rb:326 3.539
After features/support/hooks.rb:100 0.011