Project Number Date
test_Tails_ISO_20522-ocr-more 51 03 Feb 2025, 05:05

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 11:7.548 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
22.906
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.733
And I prepare Tails for memory erasure tests 0.382
When I start a process allocating 128 MiB of memory with a known pattern 2.374
Then patterns cover at least 128 MiB in the guest's memory 3.153 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.238
Then I find very few patterns in the guest's memory after 5 seconds 8.024 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 1.029
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.336
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.394
And I prepare Tails for memory erasure tests 0.386
And I find very few patterns in the guest's memory 2.803 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.973
Then patterns cover at least 99% of the test FS size in the guest's memory 3.552 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.688
Then I find very few patterns in the guest's memory after 3 seconds 6.536 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:326 1.597
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.109
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 10.088
And I prepare Tails for memory erasure tests 0.449
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.029
Then I find very few patterns in the guest's memory 4.154 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.367
Then patterns cover at least 75% of the test FS size in the guest's memory 4.077 
Pattern coverage: 86.610% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.584
Then I find very few patterns in the guest's memory after 3 seconds 6.472 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
# read cache
When I mount the USB drive again 0.227
And I read the content of the test FS 0.773
Then patterns cover at least 99% of the test FS size in the guest's memory 3.882 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.824
Then I find very few patterns in the guest's memory after 3 seconds 6.177 
Pattern coverage: 0.000% (0 MiB out of 874 MiB reference memory)
After features/support/hooks.rb:326 0.839
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:13.076
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.996
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" 34.850
Then I find very few patterns in the guest's memory 2.828 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.772
Then patterns cover at least 99% of the test FS size in the guest's memory 3.400 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.073
Then I find very few patterns in the guest's memory after 3 seconds 5.903 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
# read cache
When I mount the USB drive again 4.872
And I read the content of the test FS 0.985
Then patterns cover at least 99% of the test FS size in the guest's memory 3.024 
Pattern coverage: 106.117% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.674
Then I find very few patterns in the guest's memory after 3 seconds 5.263 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:326 0.770
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.003
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.784
And I prepare Tails for memory erasure tests 0.430
When I fill a 128 MiB file with a known pattern on the root filesystem 18.887
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.477
Then patterns cover at least 128 MiB in the guest's memory 2.645 
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 20.763 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:326 3.521
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:24.116
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 6:38.373
And I prepare Tails for memory erasure tests 0.806
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.493
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.431 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:326 3.590
After features/support/hooks.rb:100 0.010