Project Number Date
test_Tails_ISO_20660-fix-random-seed-update 5 14 Nov 2024, 17:11

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 11:45.669 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
21.823
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.441
And I prepare Tails for memory erasure tests 0.432
When I start a process allocating 128 MiB of memory with a known pattern 2.355
Then patterns cover at least 128 MiB in the guest's memory 3.499 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I kill the allocating process 0.229
Then I find very few patterns in the guest's memory after 3 seconds 6.865 
Pattern coverage: 0.000% (0 MiB out of 894 MiB reference memory)
After features/support/hooks.rb:326 1.264
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
27.528
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 9.409
And I prepare Tails for memory erasure tests 0.507
And I find very few patterns in the guest's memory 3.004 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
When I mount a 128 MiB tmpfs on "/mnt" and fill it with a known pattern 3.444
Then patterns cover at least 99% of the test FS size in the guest's memory 3.193 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I umount "/mnt" 2.170
Then I find very few patterns in the guest's memory after 3 seconds 5.798 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:326 0.824
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
46.607
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.055
And I prepare Tails for memory erasure tests 0.389
When I plug and mount a 128 MiB USB drive with a vfat filesystem 10.155
Then I find very few patterns in the guest's memory 2.838 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 2.695
Then patterns cover at least 75% of the test FS size in the guest's memory 3.368 
Pattern coverage: 85.835% (109 MiB out of 127 MiB reference memory)
When I umount the USB drive 1.454
Then I find very few patterns in the guest's memory after 3 seconds 5.776 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
# read cache
When I mount the USB drive again 0.358
And I read the content of the test FS 0.477
Then patterns cover at least 99% of the test FS size in the guest's memory 3.761 
Pattern coverage: 100.596% (128 MiB out of 127 MiB reference memory)
When I umount the USB drive 0.725
Then I find very few patterns in the guest's memory after 3 seconds 6.549 
Pattern coverage: 0.000% (0 MiB out of 897 MiB reference memory)
After features/support/hooks.rb:326 0.808
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
1:34.698
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 8.460
And I prepare Tails for memory erasure tests 0.454
When I plug and mount a 128 MiB USB drive with an ext4 filesystem encrypted with password "asdf" 39.543
Then I find very few patterns in the guest's memory 2.387 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# write cache
When I fill the USB drive with a known pattern 1.681
Then patterns cover at least 99% of the test FS size in the guest's memory 2.819 
Pattern coverage: 106.113% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.952
Then I find very few patterns in the guest's memory after 3 seconds 5.443 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
# read cache
When I mount the USB drive again 23.717
And I read the content of the test FS 0.440
Then patterns cover at least 99% of the test FS size in the guest's memory 2.706 
Pattern coverage: 106.116% (97 MiB out of 91 MiB reference memory)
When I umount the USB drive 0.772
Then I find very few patterns in the guest's memory after 3 seconds 5.316 
Pattern coverage: 0.000% (0 MiB out of 880 MiB reference memory)
After features/support/hooks.rb:326 1.001
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
49.543
Before features/support/hooks.rb:269 0.002
Given I have started Tails from DVD without network and logged in 7.946
And I prepare Tails for memory erasure tests 0.423
When I fill a 128 MiB file with a known pattern on the root filesystem 16.298
# ensure the pattern is in memory due to tmpfs, not to disk cache
And I drop all kernel caches 1.600
Then patterns cover at least 128 MiB in the guest's memory 2.499 
Pattern coverage: 100.000% (128 MiB out of 128 MiB reference memory)
When I trigger shutdown 0.018
Then I find very few patterns in the guest's memory after 20 seconds 20.755 
Pattern coverage: 0.000% (0 MiB out of 878 MiB reference memory)
After features/support/hooks.rb:326 3.634
After features/support/hooks.rb:100 0.000
Tags: @product @slow @not_release_blocker
7:45.468
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 7:0.358
And I prepare Tails for memory erasure tests 0.462
When I fill a 128 MiB file with a known pattern on the persistent filesystem 23.316
When I trigger shutdown 0.012
Then I find very few patterns in the guest's memory after 20 seconds 21.318 
Pattern coverage: 0.000% (0 MiB out of 881 MiB reference memory)
After features/support/hooks.rb:326 3.521
After features/support/hooks.rb:100 0.012