Project Number Date
test_Tails_ISO_stable 5325 10 Dec 2024, 12:28

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 11:34.628 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
22.239
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.088
And I prepare Tails for memory erasure tests 0.531
When I start a process allocating 128 MiB of memory with a known pattern 2.428
Then patterns cover at least 128 MiB in the guest's memory 4.275 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.271
Then I find very few patterns in the guest's memory after 3 seconds 6.644 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 1.059
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.496
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.569
And I prepare Tails for memory erasure tests 0.459
And I find very few patterns in the guest's memory 4.453 
Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.389
Then patterns cover at least 99% of the test FS size in the guest's memory 4.146 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.045
Then I find very few patterns in the guest's memory after 3 seconds 6.434 
Pattern coverage: 0.000% (0 MiB out of 912 MiB reference memory)
After features/support/hooks.rb:326 1.495
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.723
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.383
And I prepare Tails for memory erasure tests 0.567
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.184
Then I find very few patterns in the guest's memory 3.866 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.075
Then patterns cover at least 75% of the test FS size in the guest's memory 4.367 
Pattern coverage: 89.824% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.123
Then I find very few patterns in the guest's memory after 3 seconds 6.523 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
# read cache
When I mount the USB drive again 0.422
And I read the content of the test FS 1.446
Then patterns cover at least 99% of the test FS size in the guest's memory 3.905 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.258
Then I find very few patterns in the guest's memory after 3 seconds 6.599 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
After features/support/hooks.rb:326 1.831
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:19.760
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.258
And I prepare Tails for memory erasure tests 0.466
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 37.173
Then I find very few patterns in the guest's memory 3.227 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.303
Then patterns cover at least 99% of the test FS size in the guest's memory 3.004 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.921
Then I find very few patterns in the guest's memory after 3 seconds 5.629 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
# read cache
When I mount the USB drive again 8.285
And I read the content of the test FS 0.445
Then patterns cover at least 99% of the test FS size in the guest's memory 3.448 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.638
Then I find very few patterns in the guest's memory after 3 seconds 5.956 
Pattern coverage: 0.000% (0 MiB out of 906 MiB reference memory)
After features/support/hooks.rb:326 0.927
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.416
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.203
And I prepare Tails for memory erasure tests 0.425
When I fill a 128 MiB file with a known pattern on the root filesystem 16.429
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.778
Then patterns cover at least 128 MiB in the guest's memory 2.824 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 20.736 
Pattern coverage: 0.000% (0 MiB out of 895 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
7:38.992
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 6:53.666
And I prepare Tails for memory erasure tests 0.444
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.486
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.381 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:326 3.568
After features/support/hooks.rb:100 0.012