Project Number Date
test_Tails_ISO_18215-update-chutney-force-all-tests 24 04 Apr 2025, 13:27

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 11:51.023 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
25.598
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.017
Given I have started Tails from DVD without network and logged in 8.895
And I prepare Tails for memory erasure tests 0.443
When I start a process allocating 128 MiB of memory with a known pattern 2.599
Then patterns cover at least 128 MiB in the guest's memory 3.421 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 2.608
Then I find very few patterns in the guest's memory after 5 seconds 7.629 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 0.846
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
25.144
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 8.543
And I prepare Tails for memory erasure tests 0.451
And I find very few patterns in the guest's memory 2.934 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.309
Then patterns cover at least 99% of the test FS size in the guest's memory 3.840 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.513
Then I find very few patterns in the guest's memory after 3 seconds 6.553 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:330 1.006
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.788
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 8.465
And I prepare Tails for memory erasure tests 0.394
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.173
Then I find very few patterns in the guest's memory 3.844 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.838
Then patterns cover at least 75% of the test FS size in the guest's memory 4.310 
Pattern coverage: 89.432% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.761
Then I find very few patterns in the guest's memory after 3 seconds 6.742 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# read cache
When I mount the USB drive again 0.236
And I read the content of the test FS 0.670
Then patterns cover at least 99% of the test FS size in the guest's memory 4.180 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.411
Then I find very few patterns in the guest's memory after 3 seconds 6.757 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:330 2.980
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:13.186
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 9.045
And I prepare Tails for memory erasure tests 0.420
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 36.347
Then I find very few patterns in the guest's memory 2.496 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.680
Then patterns cover at least 99% of the test FS size in the guest's memory 2.855 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.879
Then I find very few patterns in the guest's memory after 3 seconds 5.498 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
# read cache
When I mount the USB drive again 3.667
And I read the content of the test FS 0.492
Then patterns cover at least 99% of the test FS size in the guest's memory 3.020 
Pattern coverage: 106.115% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.542
Then I find very few patterns in the guest's memory after 3 seconds 6.238 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:330 1.370
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.688
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 8.826
And I prepare Tails for memory erasure tests 0.448
When I fill a 128 MiB file with a known pattern on the root filesystem 16.436
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.896
Then patterns cover at least 128 MiB in the guest's memory 3.138 
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 20.925 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:330 3.761
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
8:2.616
Before features/support/hooks.rb:266 0.000
Before features/support/hooks.rb:273 0.007
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:16.034
And I prepare Tails for memory erasure tests 0.537
When I fill a 128 MiB file with a known pattern on the persistent filesystem 24.428
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.601 
Pattern coverage: 0.000% (0 MiB out of 873 MiB reference memory)
After features/support/hooks.rb:330 3.811
After features/support/hooks.rb:100 0.067