Project Number Date
test_Tails_ISO_stable 5073 05 Sep 2024, 12:30

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 11:45.618 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
24.970
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.910
And I prepare Tails for memory erasure tests 0.633
When I start a process allocating 128 MiB of memory with a known pattern 3.556
Then patterns cover at least 128 MiB in the guest's memory 3.787 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.984
Then I find very few patterns in the guest's memory after 3 seconds 6.098 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:326 1.763
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
28.155
Before features/support/hooks.rb:269 0.004
Given I have started Tails from DVD without network and logged in 9.697
And I prepare Tails for memory erasure tests 0.463
And I find very few patterns in the guest's memory 3.439 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.146
Then patterns cover at least 99% of the test FS size in the guest's memory 4.360 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.672
Then I find very few patterns in the guest's memory after 3 seconds 6.375 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:326 2.109
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
58.505
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 11.216
And I prepare Tails for memory erasure tests 0.470
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.194
Then I find very few patterns in the guest's memory 4.095 
Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.893
Then patterns cover at least 75% of the test FS size in the guest's memory 4.742 
Pattern coverage: 89.010% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 3.493
Then I find very few patterns in the guest's memory after 3 seconds 6.500 
Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)
# read cache
When I mount the USB drive again 1.249
And I read the content of the test FS 1.485
Then patterns cover at least 99% of the test FS size in the guest's memory 4.265 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.135
Then I find very few patterns in the guest's memory after 3 seconds 6.763 
Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)
After features/support/hooks.rb:326 0.950
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:22.744
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.327
And I prepare Tails for memory erasure tests 0.484
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 40.465
Then I find very few patterns in the guest's memory 3.021 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.247
Then patterns cover at least 99% of the test FS size in the guest's memory 3.689 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.949
Then I find very few patterns in the guest's memory after 3 seconds 6.076 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
# read cache
When I mount the USB drive again 5.371
And I read the content of the test FS 0.727
Then patterns cover at least 99% of the test FS size in the guest's memory 3.371 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.531
Then I find very few patterns in the guest's memory after 3 seconds 5.481 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:326 1.001
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.568
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.331
And I prepare Tails for memory erasure tests 0.409
When I fill a 128 MiB file with a known pattern on the root filesystem 15.188
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.273
Then patterns cover at least 128 MiB in the guest's memory 2.569 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 20.780 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:326 3.542
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:41.675
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 6:56.844
And I prepare Tails for memory erasure tests 0.476
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.982
When I trigger shutdown 0.015
Then I find very few patterns in the guest's memory after 20 seconds 21.355 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:326 3.629
After features/support/hooks.rb:100 0.012