Project Number Date
test_Tails_ISO_20575-disable-cups-browsed 2 01 Oct 2024, 15:49

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 10:57.971 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
20.487
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.913
And I prepare Tails for memory erasure tests 0.401
When I start a process allocating 128 MiB of memory with a known pattern 1.218
Then patterns cover at least 128 MiB in the guest's memory 3.808 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.857
Then I find very few patterns in the guest's memory after 3 seconds 6.287 
Pattern coverage: 0.000% (0 MiB out of 888 MiB reference memory)
After features/support/hooks.rb:326 0.734
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
24.749
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.938
And I prepare Tails for memory erasure tests 0.404
And I find very few patterns in the guest's memory 3.278 
Pattern coverage: 0.000% (0 MiB out of 898 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.109
Then patterns cover at least 99% of the test FS size in the guest's memory 3.788 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.912
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 0.733
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
46.452
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.949
And I prepare Tails for memory erasure tests 0.432
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.085
Then I find very few patterns in the guest's memory 3.191 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.397
Then patterns cover at least 75% of the test FS size in the guest's memory 3.716 
Pattern coverage: 87.917% (112 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.159
Then I find very few patterns in the guest's memory after 3 seconds 6.128 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
# read cache
When I mount the USB drive again 0.294
And I read the content of the test FS 0.458
Then patterns cover at least 99% of the test FS size in the guest's memory 3.608 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.626
Then I find very few patterns in the guest's memory after 3 seconds 6.402 
Pattern coverage: 0.000% (0 MiB out of 889 MiB reference memory)
After features/support/hooks.rb:326 0.777
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:15.044
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.842
And I prepare Tails for memory erasure tests 0.368
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 38.238
Then I find very few patterns in the guest's memory 2.637 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.963
Then patterns cover at least 99% of the test FS size in the guest's memory 3.077 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.938
Then I find very few patterns in the guest's memory after 3 seconds 5.160 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
# read cache
When I mount the USB drive again 4.987
And I read the content of the test FS 0.448
Then patterns cover at least 99% of the test FS size in the guest's memory 3.128 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.732
Then I find very few patterns in the guest's memory after 3 seconds 5.521 
Pattern coverage: 0.000% (0 MiB out of 890 MiB reference memory)
After features/support/hooks.rb:326 0.814
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.881
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.880
And I prepare Tails for memory erasure tests 0.405
When I fill a 128 MiB file with a known pattern on the root filesystem 15.980
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 2.146
Then patterns cover at least 128 MiB in the guest's memory 2.675 
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 20.778 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:326 3.522
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:21.356
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 6:38.004
And I prepare Tails for memory erasure tests 0.389
When I fill a 128 MiB file with a known pattern on the persistent filesystem 21.751
When I trigger shutdown 0.011
Then I find very few patterns in the guest's memory after 20 seconds 21.199 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:326 3.471
After features/support/hooks.rb:100 0.012