Project Number Date
test_Tails_ISO_stable 5323 09 Dec 2024, 22:00

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 11:35.798 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
23.582
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.828
And I prepare Tails for memory erasure tests 0.467
When I start a process allocating 128 MiB of memory with a known pattern 2.394
Then patterns cover at least 128 MiB in the guest's memory 3.461 
Pattern coverage: 100.003% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.557
Then I find very few patterns in the guest's memory after 3 seconds 5.873 
Pattern coverage: 0.000% (0 MiB out of 871 MiB reference memory)
After features/support/hooks.rb:326 0.757
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.594
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.374
And I prepare Tails for memory erasure tests 0.459
And I find very few patterns in the guest's memory 5.543 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.485
Then patterns cover at least 99% of the test FS size in the guest's memory 2.893 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.042
Then I find very few patterns in the guest's memory after 3 seconds 5.796 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:326 0.737
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.679
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.677
And I prepare Tails for memory erasure tests 0.512
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.302
Then I find very few patterns in the guest's memory 3.819 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.186
Then patterns cover at least 75% of the test FS size in the guest's memory 4.485 
Pattern coverage: 88.232% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.859
Then I find very few patterns in the guest's memory after 3 seconds 7.613 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# read cache
When I mount the USB drive again 0.518
And I read the content of the test FS 0.769
Then patterns cover at least 99% of the test FS size in the guest's memory 4.490 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.599
Then I find very few patterns in the guest's memory after 3 seconds 6.844 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:326 1.957
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:17.557
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.314
And I prepare Tails for memory erasure tests 0.440
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.083
Then I find very few patterns in the guest's memory 3.196 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.031
Then patterns cover at least 99% of the test FS size in the guest's memory 3.399 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.989
Then I find very few patterns in the guest's memory after 3 seconds 5.896 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# read cache
When I mount the USB drive again 8.461
And I read the content of the test FS 0.473
Then patterns cover at least 99% of the test FS size in the guest's memory 3.330 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.667
Then I find very few patterns in the guest's memory after 3 seconds 5.271 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:326 0.754
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.674
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.134
And I prepare Tails for memory erasure tests 0.449
When I fill a 128 MiB file with a known pattern on the root filesystem 19.969
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.588
Then patterns cover at least 128 MiB in the guest's memory 2.735 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.046
Then I find very few patterns in the guest's memory after 20 seconds 21.749 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:326 3.513
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:38.710
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 6:53.708
And I prepare Tails for memory erasure tests 0.416
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.314
When I trigger shutdown 0.019
Then I find very few patterns in the guest's memory after 20 seconds 21.250 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:326 3.480
After features/support/hooks.rb:100 0.014