Project Number Date
test_Tails_ISO_stable 4848 19 May 2024, 12:45

Feature Report

Steps Scenarios Features
Feature Passed Failed Skipped Pending Undefined Total Passed Failed Total Duration Status
System memory erasure on shutdown 53 0 0 0 0 53 6 0 6 11:0.305 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
23.208
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.293
And I prepare Tails for memory erasure tests 0.439
When I start a process allocating 128 MiB of memory with a known pattern 3.634
Then patterns cover at least 128 MiB in the guest's memory 4.728 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.395
Then I find very few patterns in the guest's memory 4.715 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:305 1.470
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
23.841
Before features/support/hooks.rb:259 0.002
Given I have started Tails from DVD without network and logged in 8.372
And I prepare Tails for memory erasure tests 0.531
And I find very few patterns in the guest's memory 4.219 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.891
Then patterns cover at least 99% of the test FS size in the guest's memory 3.960 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.841
Then I find very few patterns in the guest's memory 4.023 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:305 0.968
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
45.568
Before features/support/hooks.rb:259 0.006
Given I have started Tails from DVD without network and logged in 8.038
And I prepare Tails for memory erasure tests 0.542
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.223
Then I find very few patterns in the guest's memory 4.362 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.788
Then patterns cover at least 86% of the test FS size in the guest's memory 4.304 
Pattern coverage: 87.899% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.442
Then I find very few patterns in the guest's memory 4.352 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# read cache
When I mount the USB drive again 0.264
And I read the content of the test FS 0.875
Then patterns cover at least 99% of the test FS size in the guest's memory 3.888 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.549
Then I find very few patterns in the guest's memory 3.934 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:305 0.972
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
1:11.955
Before features/support/hooks.rb:259 0.003
Given I have started Tails from DVD without network and logged in 8.546
And I prepare Tails for memory erasure tests 0.529
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 34.816
Then I find very few patterns in the guest's memory 3.755 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.271
Then patterns cover at least 99% of the test FS size in the guest's memory 3.001 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.814
Then I find very few patterns in the guest's memory 3.453 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# read cache
When I mount the USB drive again 5.246
And I read the content of the test FS 0.542
Then patterns cover at least 99% of the test FS size in the guest's memory 3.438 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.714
Then I find very few patterns in the guest's memory 3.824 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:305 2.168
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
50.221
Before features/support/hooks.rb:259 0.003
Given I have started Tails from DVD without network and logged in 8.317
And I prepare Tails for memory erasure tests 0.574
When I fill a 128 MiB file with a known pattern on the root filesystem 14.469
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.858
Then patterns cover at least 128 MiB in the guest's memory 3.083 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
And I wait 20 seconds 20.018 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 1.888 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:305 3.539
After features/support/hooks.rb:89 0.000
Tags: @product @slow @not_release_blocker
7:25.510
Before features/support/hooks.rb:259 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:40.811
And I prepare Tails for memory erasure tests 0.403
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.054
When I trigger shutdown 0.011
And I wait 20 seconds 20.020 
Slept for 20 seconds
Then I find very few patterns in the guest's memory 2.209 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:305 3.475
After features/support/hooks.rb:89 0.013