Project Number Date
test_Tails_ISO_disable-thunderbird-telemetry 8 17 Nov 2024, 22:52

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 12:24.783 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
26.498
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 10.058
And I prepare Tails for memory erasure tests 0.429
When I start a process allocating 128 MiB of memory with a known pattern 2.344
Then patterns cover at least 128 MiB in the guest's memory 5.381 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.013
Then I find very few patterns in the guest's memory after 3 seconds 7.271 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:326 1.019
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
30.261
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 12.289
And I prepare Tails for memory erasure tests 0.448
And I find very few patterns in the guest's memory 3.657 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.145
Then patterns cover at least 99% of the test FS size in the guest's memory 4.241 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.876
Then I find very few patterns in the guest's memory after 3 seconds 6.603 
Pattern coverage: 0.000% (0 MiB out of 876 MiB reference memory)
After features/support/hooks.rb:326 2.174
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
57.238
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.739
And I prepare Tails for memory erasure tests 0.394
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.216
Then I find very few patterns in the guest's memory 3.753 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.841
Then patterns cover at least 75% of the test FS size in the guest's memory 4.325 
Pattern coverage: 86.714% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 4.008
Then I find very few patterns in the guest's memory after 3 seconds 6.595 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# read cache
When I mount the USB drive again 0.403
And I read the content of the test FS 3.618
Then patterns cover at least 99% of the test FS size in the guest's memory 4.114 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.653
Then I find very few patterns in the guest's memory after 3 seconds 6.572 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 0.952
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:38.675
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.274
And I prepare Tails for memory erasure tests 0.430
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.729
Then I find very few patterns in the guest's memory 2.930 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.140
Then patterns cover at least 99% of the test FS size in the guest's memory 3.464 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.484
Then I find very few patterns in the guest's memory after 3 seconds 6.119 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# read cache
When I mount the USB drive again 22.486
And I read the content of the test FS 1.694
Then patterns cover at least 99% of the test FS size in the guest's memory 3.422 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.945
Then I find very few patterns in the guest's memory after 3 seconds 5.551 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:326 1.064
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
54.027
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 8.983
And I prepare Tails for memory erasure tests 0.497
When I fill a 128 MiB file with a known pattern on the root filesystem 18.016
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 3.068
Then patterns cover at least 128 MiB in the guest's memory 2.554 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 20.894 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:326 3.537
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:58.081
Before features/support/hooks.rb:269 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:13.019
And I prepare Tails for memory erasure tests 0.492
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.071
When I trigger shutdown 0.020
Then I find very few patterns in the guest's memory after 20 seconds 21.477 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:326 3.575
After features/support/hooks.rb:100 0.014