Project Number Date
test_Tails_ISO_20575-disable-cups-browsed 7 05 Oct 2024, 00:36

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 10:41.318 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
19.460
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.796
And I prepare Tails for memory erasure tests 0.386
When I start a process allocating 128 MiB of memory with a known pattern 1.304
Then patterns cover at least 128 MiB in the guest's memory 3.267 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.721
Then I find very few patterns in the guest's memory after 3 seconds 5.984 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:326 0.908
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
22.834
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.764
And I prepare Tails for memory erasure tests 0.481
And I find very few patterns in the guest's memory 2.839 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.987
Then patterns cover at least 99% of the test FS size in the guest's memory 3.235 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.888
Then I find very few patterns in the guest's memory after 3 seconds 5.637 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:326 1.081
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
45.767
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.816
And I prepare Tails for memory erasure tests 0.438
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.220
Then I find very few patterns in the guest's memory 3.027 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.566
Then patterns cover at least 75% of the test FS size in the guest's memory 3.432 
Pattern coverage: 88.153% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.266
Then I find very few patterns in the guest's memory after 3 seconds 5.989 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
# read cache
When I mount the USB drive again 0.256
And I read the content of the test FS 0.520
Then patterns cover at least 99% of the test FS size in the guest's memory 4.042 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.721
Then I find very few patterns in the guest's memory after 3 seconds 6.469 
Pattern coverage: 0.000% (0 MiB out of 908 MiB reference memory)
After features/support/hooks.rb:326 0.845
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:17.145
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.793
And I prepare Tails for memory erasure tests 0.465
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.210
Then I find very few patterns in the guest's memory 2.526 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.011
Then patterns cover at least 99% of the test FS size in the guest's memory 2.774 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.991
Then I find very few patterns in the guest's memory after 3 seconds 5.437 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# read cache
When I mount the USB drive again 7.580
And I read the content of the test FS 0.437
Then patterns cover at least 99% of the test FS size in the guest's memory 2.849 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.707
Then I find very few patterns in the guest's memory after 3 seconds 5.360 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:326 0.797
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.355
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.644
And I prepare Tails for memory erasure tests 0.517
When I fill a 128 MiB file with a known pattern on the root filesystem 17.202
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.911
Then patterns cover at least 128 MiB in the guest's memory 2.387 
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 20.677 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:326 3.493
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:4.754
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 6:20.498
And I prepare Tails for memory erasure tests 0.379
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.757
When I trigger shutdown 0.013
Then I find very few patterns in the guest's memory after 20 seconds 21.106 
Pattern coverage: 0.000% (0 MiB out of 895 MiB reference memory)
After features/support/hooks.rb:326 3.476
After features/support/hooks.rb:100 0.011