Project Number Date
test_Tails_ISO_stable 5077 06 Sep 2024, 12:36

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 11:54.465 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
21.575
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.334
And I prepare Tails for memory erasure tests 0.666
When I start a process allocating 128 MiB of memory with a known pattern 2.345
Then patterns cover at least 128 MiB in the guest's memory 3.557 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.848
Then I find very few patterns in the guest's memory after 3 seconds 5.823 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:326 0.927
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
29.556
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.507
And I prepare Tails for memory erasure tests 0.479
And I find very few patterns in the guest's memory 2.954 
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 4.429
Then patterns cover at least 99% of the test FS size in the guest's memory 4.719 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.642
Then I find very few patterns in the guest's memory after 3 seconds 6.824 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:326 2.161
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
56.127
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.561
And I prepare Tails for memory erasure tests 0.444
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.965
Then I find very few patterns in the guest's memory 3.641 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 5.417
Then patterns cover at least 75% of the test FS size in the guest's memory 4.835 
Pattern coverage: 89.864% (114 MiB out of 127 MiB reference memory)
When I umount the USB drive 2.062
Then I find very few patterns in the guest's memory after 3 seconds 6.631 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
# read cache
When I mount the USB drive again 1.054
And I read the content of the test FS 0.996
Then patterns cover at least 99% of the test FS size in the guest's memory 3.937 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.810
Then I find very few patterns in the guest's memory after 3 seconds 6.769 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:326 1.030
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:22.959
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.178
And I prepare Tails for memory erasure tests 0.455
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.420
Then I find very few patterns in the guest's memory 3.280 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 4.429
Then patterns cover at least 99% of the test FS size in the guest's memory 3.399 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 3.069
Then I find very few patterns in the guest's memory after 3 seconds 5.982 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
# read cache
When I mount the USB drive again 6.145
And I read the content of the test FS 0.563
Then patterns cover at least 99% of the test FS size in the guest's memory 4.216 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.710
Then I find very few patterns in the guest's memory after 3 seconds 6.107 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:326 0.928
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.231
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.250
And I prepare Tails for memory erasure tests 0.559
When I fill a 128 MiB file with a known pattern on the root filesystem 14.915
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.256
Then patterns cover at least 128 MiB in the guest's memory 3.322 
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 20.908 
Pattern coverage: 0.000% (0 MiB out of 903 MiB reference memory)
After features/support/hooks.rb:326 3.820
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:54.013
Before features/support/hooks.rb:269 0.008
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 7:9.448
And I prepare Tails for memory erasure tests 0.427
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.851
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.273 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:326 3.493
After features/support/hooks.rb:100 0.011