Project Number Date
test_Tails_ISO_20575-disable-cups-browsed 19 16 Oct 2024, 00:48

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 10:24.007 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
21.586
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 0.444
When I start a process allocating 128 MiB of memory with a known pattern 2.357
Then patterns cover at least 128 MiB in the guest's memory 3.342 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 1.642
Then I find very few patterns in the guest's memory after 3 seconds 5.854 
Pattern coverage: 0.000% (0 MiB out of 917 MiB reference memory)
After features/support/hooks.rb:326 0.776
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
23.279
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.785
And I prepare Tails for memory erasure tests 0.397
And I find very few patterns in the guest's memory 2.871 
Pattern coverage: 0.000% (0 MiB out of 893 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 2.242
Then patterns cover at least 99% of the test FS size in the guest's memory 3.146 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 1.025
Then I find very few patterns in the guest's memory after 3 seconds 5.810 
Pattern coverage: 0.000% (0 MiB out of 893 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
44.258
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.847
And I prepare Tails for memory erasure tests 0.439
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.796
Then I find very few patterns in the guest's memory 3.048 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.499
Then patterns cover at least 75% of the test FS size in the guest's memory 3.246 
Pattern coverage: 86.956% (110 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.400
Then I find very few patterns in the guest's memory after 3 seconds 5.818 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
# read cache
When I mount the USB drive again 0.239
And I read the content of the test FS 0.480
Then patterns cover at least 99% of the test FS size in the guest's memory 3.107 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.615
Then I find very few patterns in the guest's memory after 3 seconds 5.718 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 0.828
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:12.691
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.871
And I prepare Tails for memory erasure tests 0.463
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 35.797
Then I find very few patterns in the guest's memory 2.335 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 3.132
Then patterns cover at least 99% of the test FS size in the guest's memory 2.827 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.993
Then I find very few patterns in the guest's memory after 3 seconds 5.290 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
# read cache
When I mount the USB drive again 4.827
And I read the content of the test FS 0.485
Then patterns cover at least 99% of the test FS size in the guest's memory 2.747 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.651
Then I find very few patterns in the guest's memory after 3 seconds 5.269 
Pattern coverage: 0.000% (0 MiB out of 896 MiB reference memory)
After features/support/hooks.rb:326 0.789
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
48.680
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.835
And I prepare Tails for memory erasure tests 0.378
When I fill a 128 MiB file with a known pattern on the root filesystem 15.246
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.945
Then patterns cover at least 128 MiB in the guest's memory 2.583 
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 897 MiB reference memory)
After features/support/hooks.rb:326 3.488
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
6:53.511
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 6:11.305
And I prepare Tails for memory erasure tests 0.366
When I fill a 128 MiB file with a known pattern on the persistent filesystem 20.747
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.079 
Pattern coverage: 0.000% (0 MiB out of 887 MiB reference memory)
After features/support/hooks.rb:326 3.527
After features/support/hooks.rb:100 0.011