Project Number Date
test_Tails_ISO_stable 5283 21 Nov 2024, 17:21

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 11:32.630 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
23.088
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.119
And I prepare Tails for memory erasure tests 0.555
When I start a process allocating 128 MiB of memory with a known pattern 2.724
Then patterns cover at least 128 MiB in the guest's memory 3.890 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.437
Then I find very few patterns in the guest's memory after 3 seconds 6.361 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:326 0.753
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
26.049
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.450
And I prepare Tails for memory erasure tests 0.479
And I find very few patterns in the guest's memory 3.518 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.562
Then patterns cover at least 99% of the test FS size in the guest's memory 3.650 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.034
Then I find very few patterns in the guest's memory after 3 seconds 6.353 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:326 1.051
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
47.847
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.199
And I prepare Tails for memory erasure tests 0.612
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.066
Then I find very few patterns in the guest's memory 3.076 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.749
Then patterns cover at least 75% of the test FS size in the guest's memory 3.579 
Pattern coverage: 89.689% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.956
Then I find very few patterns in the guest's memory after 3 seconds 6.273 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
# read cache
When I mount the USB drive again 0.302
And I read the content of the test FS 0.674
Then patterns cover at least 99% of the test FS size in the guest's memory 3.664 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.652
Then I find very few patterns in the guest's memory after 3 seconds 6.039 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:326 1.742
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:25.071
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.282
And I prepare Tails for memory erasure tests 0.568
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 42.035
Then I find very few patterns in the guest's memory 2.682 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.992
Then patterns cover at least 99% of the test FS size in the guest's memory 4.050 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.062
Then I find very few patterns in the guest's memory after 3 seconds 6.641 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
# read cache
When I mount the USB drive again 4.770
And I read the content of the test FS 1.588
Then patterns cover at least 99% of the test FS size in the guest's memory 3.880 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.782
Then I find very few patterns in the guest's memory after 3 seconds 6.733 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:326 0.769
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.764
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 12.584
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 15.328
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.724
Then patterns cover at least 128 MiB in the guest's memory 2.808 
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 20.820 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:326 3.519
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:36.809
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 6:53.930
And I prepare Tails for memory erasure tests 0.415
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.202
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.248 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:326 3.544
After features/support/hooks.rb:100 0.013