Project Number Date
test_Tails_ISO_20575-disable-cups-browsed 24 21 Oct 2024, 00:41

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 10:53.939 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
21.482
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.943
And I prepare Tails for memory erasure tests 0.441
When I start a process allocating 128 MiB of memory with a known pattern 1.277
Then patterns cover at least 128 MiB in the guest's memory 4.259 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.853
Then I find very few patterns in the guest's memory after 3 seconds 5.706 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:326 0.757
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.053
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.958
And I prepare Tails for memory erasure tests 0.416
And I find very few patterns in the guest's memory 3.734 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.393
Then patterns cover at least 99% of the test FS size in the guest's memory 2.933 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.803
Then I find very few patterns in the guest's memory after 3 seconds 5.812 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:326 1.047
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
46.773
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.960
And I prepare Tails for memory erasure tests 0.395
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.032
Then I find very few patterns in the guest's memory 3.030 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.713
Then patterns cover at least 75% of the test FS size in the guest's memory 3.929 
Pattern coverage: 86.980% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.411
Then I find very few patterns in the guest's memory after 3 seconds 6.493 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
# read cache
When I mount the USB drive again 0.214
And I read the content of the test FS 0.481
Then patterns cover at least 99% of the test FS size in the guest's memory 4.030 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.764
Then I find very few patterns in the guest's memory after 3 seconds 6.315 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
After features/support/hooks.rb:326 1.694
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:10.075
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.555
And I prepare Tails for memory erasure tests 0.474
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 32.850
Then I find very few patterns in the guest's memory 2.411 
Pattern coverage: 0.000% (0 MiB out of 918 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 2.771 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.915
Then I find very few patterns in the guest's memory after 3 seconds 5.454 
Pattern coverage: 0.000% (0 MiB out of 918 MiB reference memory)
# read cache
When I mount the USB drive again 5.541
And I read the content of the test FS 0.454
Then patterns cover at least 99% of the test FS size in the guest's memory 2.819 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.612
Then I find very few patterns in the guest's memory after 3 seconds 5.442 
Pattern coverage: 0.000% (0 MiB out of 918 MiB reference memory)
After features/support/hooks.rb:326 0.882
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.615
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.603
And I prepare Tails for memory erasure tests 0.444
When I fill a 128 MiB file with a known pattern on the root filesystem 16.607
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.119
Then patterns cover at least 128 MiB in the guest's memory 2.991 
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 20.836 
Pattern coverage: 0.000% (0 MiB out of 900 MiB reference memory)
After features/support/hooks.rb:326 3.509
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:19.940
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 6:34.835
And I prepare Tails for memory erasure tests 1.304
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.659
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.127 
Pattern coverage: 0.000% (0 MiB out of 883 MiB reference memory)
After features/support/hooks.rb:326 3.504
After features/support/hooks.rb:100 0.011