Project Number Date
test_Tails_ISO_stable 5106 20 Sep 2024, 12:37

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 11:27.267 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
24.994
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 9.996
And I prepare Tails for memory erasure tests 0.657
When I start a process allocating 128 MiB of memory with a known pattern 2.502
Then patterns cover at least 128 MiB in the guest's memory 4.450 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.521
Then I find very few patterns in the guest's memory after 3 seconds 5.864 
Pattern coverage: 0.000% (0 MiB out of 886 MiB reference memory)
After features/support/hooks.rb:326 0.883
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.110
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.139
And I prepare Tails for memory erasure tests 0.452
And I find very few patterns in the guest's memory 2.875 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.257
Then patterns cover at least 99% of the test FS size in the guest's memory 3.290 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.123
Then I find very few patterns in the guest's memory after 3 seconds 5.972 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:326 0.956
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
53.176
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.224
And I prepare Tails for memory erasure tests 0.428
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.091
Then I find very few patterns in the guest's memory 3.366 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.884
Then patterns cover at least 75% of the test FS size in the guest's memory 4.156 
Pattern coverage: 88.927% (113 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.674
Then I find very few patterns in the guest's memory after 3 seconds 6.598 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
# read cache
When I mount the USB drive again 0.240
And I read the content of the test FS 1.503
Then patterns cover at least 99% of the test FS size in the guest's memory 4.063 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 3.155
Then I find very few patterns in the guest's memory after 3 seconds 6.788 
Pattern coverage: 0.000% (0 MiB out of 875 MiB reference memory)
After features/support/hooks.rb:326 0.850
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:20.996
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.235
And I prepare Tails for memory erasure tests 0.456
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 40.447
Then I find very few patterns in the guest's memory 2.593 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.978
Then patterns cover at least 99% of the test FS size in the guest's memory 2.837 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.155
Then I find very few patterns in the guest's memory after 3 seconds 5.649 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
# read cache
When I mount the USB drive again 7.861
And I read the content of the test FS 0.483
Then patterns cover at least 99% of the test FS size in the guest's memory 2.852 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.641
Then I find very few patterns in the guest's memory after 3 seconds 5.802 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:326 0.767
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
52.898
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.159
And I prepare Tails for memory erasure tests 0.435
When I fill a 128 MiB file with a known pattern on the root filesystem 18.882
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.783
Then patterns cover at least 128 MiB in the guest's memory 2.811 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 20.811 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:326 3.484
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:31.090
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 6:47.545
And I prepare Tails for memory erasure tests 0.405
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.986
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.138 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:326 3.506
After features/support/hooks.rb:100 0.009