Project Number Date
test_Tails_ISO_stable 5261 13 Nov 2024, 08:48

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 11:31.798 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
21.215
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.414
And I prepare Tails for memory erasure tests 0.582
When I start a process allocating 128 MiB of memory with a known pattern 1.347
Then patterns cover at least 128 MiB in the guest's memory 3.741 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.895
Then I find very few patterns in the guest's memory after 3 seconds 6.233 
Pattern coverage: 0.000% (0 MiB out of 885 MiB reference memory)
After features/support/hooks.rb:326 1.004
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
36.168
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.716
And I prepare Tails for memory erasure tests 0.523
And I find very few patterns in the guest's memory 4.903 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 1.795
Then patterns cover at least 99% of the test FS size in the guest's memory 7.753 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 0.507
Then I find very few patterns in the guest's memory after 3 seconds 11.968 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:326 1.331
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
51.361
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 10.871
And I prepare Tails for memory erasure tests 0.704
When I plug and mount a 128 MiB USB drive with a vfat filesystem 9.086
Then I find very few patterns in the guest's memory 4.001 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.692
Then patterns cover at least 75% of the test FS size in the guest's memory 4.160 
Pattern coverage: 85.569% (109 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.208
Then I find very few patterns in the guest's memory after 3 seconds 6.371 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
# read cache
When I mount the USB drive again 0.227
And I read the content of the test FS 1.407
Then patterns cover at least 99% of the test FS size in the guest's memory 3.688 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.440
Then I find very few patterns in the guest's memory after 3 seconds 6.500 
Pattern coverage: 0.000% (0 MiB out of 884 MiB reference memory)
After features/support/hooks.rb:326 1.707
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:13.930
Before features/support/hooks.rb:269 0.003
Given I have started Tails from DVD without network and logged in 8.292
And I prepare Tails for memory erasure tests 0.430
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 33.082
Then I find very few patterns in the guest's memory 2.954 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.781
Then patterns cover at least 99% of the test FS size in the guest's memory 3.363 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 3.251
Then I find very few patterns in the guest's memory after 3 seconds 6.080 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
# read cache
When I mount the USB drive again 4.265
And I read the content of the test FS 0.484
Then patterns cover at least 99% of the test FS size in the guest's memory 3.269 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.672
Then I find very few patterns in the guest's memory after 3 seconds 6.000 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:326 0.750
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
50.729
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.206
And I prepare Tails for memory erasure tests 0.420
When I fill a 128 MiB file with a known pattern on the root filesystem 16.356
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.826
Then patterns cover at least 128 MiB in the guest's memory 3.136 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.016
Then I find very few patterns in the guest's memory after 20 seconds 20.767 
Pattern coverage: 0.000% (0 MiB out of 882 MiB reference memory)
After features/support/hooks.rb:326 3.529
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:38.391
Before features/support/hooks.rb:269 0.003
Given I have started Tails without network from a USB drive with a persistent partition enabled and logged in 6:52.677
And I prepare Tails for memory erasure tests 0.715
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.560
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.426 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:326 3.568
After features/support/hooks.rb:100 0.012