Project Number Date
test_Tails_ISO_tca-misc-improvements 13 20 Apr 2025, 18:01

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 11:30.049 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
22.741
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.217
And I prepare Tails for memory erasure tests 0.581
When I start a process allocating 128 MiB of memory with a known pattern 1.203
Then patterns cover at least 128 MiB in the guest's memory 3.345 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.842
Then I find very few patterns in the guest's memory after 5 seconds 8.551 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:330 0.698
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.179
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 7.955
And I prepare Tails for memory erasure tests 0.490
And I find very few patterns in the guest's memory 4.059 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.000
Then patterns cover at least 99% of the test FS size in the guest's memory 3.655 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.396
Then I find very few patterns in the guest's memory after 3 seconds 6.621 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:330 0.650
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.450
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 8.326
And I prepare Tails for memory erasure tests 0.446
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.972
Then I find very few patterns in the guest's memory 3.615 
Pattern coverage: 0.000% (0 MiB out of 862 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.241
Then patterns cover at least 75% of the test FS size in the guest's memory 4.135 
Pattern coverage: 85.964% (109 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.843
Then I find very few patterns in the guest's memory after 3 seconds 6.843 
Pattern coverage: 0.000% (0 MiB out of 862 MiB reference memory)
# read cache
When I mount the USB drive again 0.274
And I read the content of the test FS 0.949
Then patterns cover at least 99% of the test FS size in the guest's memory 4.023 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.329
Then I find very few patterns in the guest's memory after 3 seconds 6.448 
Pattern coverage: 0.000% (0 MiB out of 862 MiB reference memory)
After features/support/hooks.rb:330 0.791
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:15.530
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.003
Given I have started Tails from DVD without network and logged in 8.278
And I prepare Tails for memory erasure tests 0.451
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.410
Then I find very few patterns in the guest's memory 4.832 
Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.544
Then patterns cover at least 99% of the test FS size in the guest's memory 2.694 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.738
Then I find very few patterns in the guest's memory after 3 seconds 5.908 
Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)
# read cache
When I mount the USB drive again 4.341
And I read the content of the test FS 0.615
Then patterns cover at least 99% of the test FS size in the guest's memory 3.306 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.586
Then I find very few patterns in the guest's memory after 3 seconds 5.820 
Pattern coverage: 0.000% (0 MiB out of 866 MiB reference memory)
After features/support/hooks.rb:330 2.203
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.009
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails from DVD without network and logged in 7.950
And I prepare Tails for memory erasure tests 0.485
When I fill a 128 MiB file with a known pattern on the root filesystem 15.797
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.381
Then patterns cover at least 128 MiB in the guest's memory 2.618 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 20.762 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
After features/support/hooks.rb:330 3.538
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:48.138
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.002
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:4.443
And I prepare Tails for memory erasure tests 0.484
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.835
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.363 
Pattern coverage: 0.000% (0 MiB out of 907 MiB reference memory)
After features/support/hooks.rb:330 3.519
After features/support/hooks.rb:100 0.011