Project Number Date
test_Tails_ISO_20575-disable-cups-browsed 23 20 Oct 2024, 00:38

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 10:41.383 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 0.003
Given I have started Tails from DVD without network and logged in 8.025
And I prepare Tails for memory erasure tests 0.508
When I start a process allocating 128 MiB of memory with a known pattern 1.345
Then patterns cover at least 128 MiB in the guest's memory 3.517 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.373
Then I find very few patterns in the guest's memory after 3 seconds 5.689 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:326 1.120
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
23.743
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.945
And I prepare Tails for memory erasure tests 0.481
And I find very few patterns in the guest's memory 2.703 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.123
Then patterns cover at least 99% of the test FS size in the guest's memory 3.478 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.742
Then I find very few patterns in the guest's memory after 3 seconds 6.269 
Pattern coverage: 0.000% (0 MiB out of 879 MiB reference memory)
After features/support/hooks.rb:326 0.852
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
46.971
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.087
And I prepare Tails for memory erasure tests 0.514
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.155
Then I find very few patterns in the guest's memory 3.149 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.443
Then patterns cover at least 75% of the test FS size in the guest's memory 3.505 
Pattern coverage: 86.037% (109 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.830
Then I find very few patterns in the guest's memory after 3 seconds 6.076 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
# read cache
When I mount the USB drive again 0.628
And I read the content of the test FS 0.703
Then patterns cover at least 99% of the test FS size in the guest's memory 3.841 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.520
Then I find very few patterns in the guest's memory after 3 seconds 6.513 
Pattern coverage: 0.000% (0 MiB out of 881 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
1:10.522
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.856
And I prepare Tails for memory erasure tests 0.442
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.698
Then I find very few patterns in the guest's memory 2.579 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.763
Then patterns cover at least 99% of the test FS size in the guest's memory 2.868 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 1.059
Then I find very few patterns in the guest's memory after 3 seconds 5.299 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
# read cache
When I mount the USB drive again 4.839
And I read the content of the test FS 0.475
Then patterns cover at least 99% of the test FS size in the guest's memory 2.726 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.690
Then I find very few patterns in the guest's memory after 3 seconds 6.222 
Pattern coverage: 0.000% (0 MiB out of 902 MiB reference memory)
After features/support/hooks.rb:326 1.125
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.118
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 7.898
And I prepare Tails for memory erasure tests 0.446
When I fill a 128 MiB file with a known pattern on the root filesystem 15.991
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.746
Then patterns cover at least 128 MiB in the guest's memory 2.284 
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 20.738 
Pattern coverage: 0.000% (0 MiB out of 901 MiB reference memory)
After features/support/hooks.rb:326 3.541
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:11.567
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 6:27.733
And I prepare Tails for memory erasure tests 0.419
When I fill a 128 MiB file with a known pattern on the persistent filesystem 22.157
When I trigger shutdown 0.014
Then I find very few patterns in the guest's memory after 20 seconds 21.243 
Pattern coverage: 0.000% (0 MiB out of 905 MiB reference memory)
After features/support/hooks.rb:326 3.471
After features/support/hooks.rb:100 0.012